JS changes are now captured in main.ts

.Rbuildignore

@@ -21,19 +21,3 @@
 ^TODO-promises.md$
 ^manualtests$
 ^\.github$
-
-^\.yarn$
-^\.vscode$
-^\.madgerc$
-^\.prettierrc\.yml$
-^babel\.config\.json$
-^jest\.config\.js$
-^package\.json$
-^tsconfig\.json$
-^yarn\.lock$
-^node_modules$
-^coverage$
-^.ignore$
-^\.browserslistrc$
-^\.eslintrc\.yml$
-^\.yarnrc\.yml$

.eslintrc.yml

@@ -1,108 +0,0 @@
-root: true
-env:
-  browser: true
-  es6: true
-extends:
-  - 'eslint:recommended'
-  - 'plugin:@typescript-eslint/recommended'
-  - 'plugin:jest/recommended'
-  - 'prettier/@typescript-eslint'
-  - 'plugin:prettier/recommended'
-  - 'plugin:jest-dom/recommended'
-globals:
-  Atomics: readonly
-  SharedArrayBuffer: readonly
-parser: '@typescript-eslint/parser'
-parserOptions:
-  ecmaVersion: 2018
-  sourceType: module
-plugins:
-  - '@typescript-eslint'
-  - prettier
-  - jest-dom
-  - unicorn
-rules:
-  "@typescript-eslint/explicit-function-return-type":
-    - off
-  "@typescript-eslint/no-explicit-any":
-    - off
-  "@typescript-eslint/explicit-module-boundary-types":
-    - error
-
-  default-case:
-    - error
-  indent:
-    - error
-    - 2
-    - SwitchCase: 1
-  linebreak-style:
-    - error
-    - unix
-  quotes:
-    - error
-    - double
-    - avoid-escape
-  semi:
-    - error
-    - always
-  newline-after-var:
-    - error
-    - always
-  dot-location:
-    - error
-    - property
-
-  camelcase:
-    # - error
-    - "off"
-
-  unicorn/filename-case:
-    - error
-    - case: camelCase
-
-  "@typescript-eslint/array-type":
-    - error
-    - default: array-simple
-      readonly: array-simple
-  "@typescript-eslint/consistent-indexed-object-style":
-    - error
-    - index-signature
-
-  "@typescript-eslint/sort-type-union-intersection-members":
-    - error
-
-  "@typescript-eslint/consistent-type-imports":
-    - error
-  "@typescript-eslint/naming-convention":
-    - error
-
-    - selector: default
-      format: [camelCase]
-
-    - selector: method
-      modifiers: [private]
-      format: [camelCase]
-      leadingUnderscore: require
-    - selector: method
-      modifiers: [protected]
-      format: [camelCase]
-      leadingUnderscore: require
-
-    - selector: variable
-      format: [camelCase]
-      trailingUnderscore: forbid
-      leadingUnderscore: forbid
-
-    - selector: parameter
-      format: [camelCase]
-      trailingUnderscore: allow
-      leadingUnderscore: forbid
-
-    - selector: [enum, enumMember]
-      format: [PascalCase]
-
-    - selector: typeLike
-      format: [PascalCase]
-      custom:
-        regex: "(t|T)ype$"
-        match: false

.gitattributes

@@ -1,6 +1,4 @@
 /NEWS merge=union
 /inst/www/shared/shiny.js -merge -diff
-/inst/www/shared/shiny-*.js -merge -diff
-/inst/www/shared/shiny*.css -merge -diff
 *.min.js -merge -diff
 *.js.map -merge -diff

.github/shiny-workflows/routine.sh

@@ -1,12 +0,0 @@
-#!/bin/bash -e
-. ./tools/documentation/checkDocsCurrent.sh
-
-echo "Updating package.json version to match DESCRIPTION Version"
-Rscript ./tools/updatePackageJsonVersion.R
-if [ -n "$(git status --porcelain package.json)" ]
-then
-  yarn build
-  git add ./inst package.json && git commit -m 'Sync package version (GitHub Actions)' || echo "No package version to commit"
-else
-  echo "No package version difference detected; package.json is current."
-fi

.github/workflows/R-CMD-check.yaml

@@ -1,23 +1,142 @@
-# Workflow derived from https://github.com/rstudio/shiny-workflows
-#
-# NOTE: This Shiny team GHA workflow is overkill for most R packages.
-# For most R packages it is better to use https://github.com/r-lib/actions
+name: R-CMD-check
 on:
   push:
-    branches: [main, rc-**]
+    branches:
+      - master
   pull_request:
-    branches: [main]
-  schedule:
-    - cron: '0 5 * * 1' # every monday
+    branches:
+      - master
 
-name: Package checks
 
 jobs:
-  website:
-    uses: rstudio/shiny-workflows/.github/workflows/website.yaml@v1
-  routine:
-    uses: rstudio/shiny-workflows/.github/workflows/routine.yaml@v1
-    with:
-      node-version: "14.x"
+
   R-CMD-check:
-    uses: rstudio/shiny-workflows/.github/workflows/R-CMD-check.yaml@v1
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: macOS-latest,   r: 'devel'}
+          - {os: macOS-latest,   r: '4.0'}
+          - {os: windows-latest, r: '4.0'}
+          - {os: ubuntu-16.04,   r: '4.0', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: '3.6', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: '3.5', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: '3.4', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: '3.3', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+
+    env:
+      _R_CHECK_FORCE_SUGGESTS_: false
+      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
+      RSPM: ${{ matrix.config.rspm }}
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      # https://github.com/actions/checkout/issues/135
+      - name: Set git to use LF
+        if: runner.os == 'Windows'
+        run: |
+          git config --system core.autocrlf false
+          git config --system core.eol lf
+
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@master
+        id: install-r
+        with:
+          r-version: ${{ matrix.config.r }}
+
+      - uses: r-lib/actions/setup-pandoc@master
+
+      - name: Install pak and query dependencies
+        shell: Rscript {0}
+        run: |
+          install.packages("pak", repos = "https://r-lib.github.io/p/pak/dev/")
+          saveRDS(pak::pkg_deps_tree("local::.", dependencies = TRUE), ".github/r-depends.rds")
+
+      - name: Cache R packages
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.R_LIBS_USER }}
+          key: ${{ matrix.config.os }}-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('.github/r-depends.rds') }}
+          restore-keys: ${{ matrix.config.os }}-${{ steps.install-r.outputs.installed-r-version }}-1-
+
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        shell: Rscript {0}
+        run: |
+          pak::local_system_requirements(execute = TRUE)
+
+      # xquartz and cairo are needed for Cairo package.
+      # harfbuzz and fribidi are needed for textshaping package.
+      - name: Mac systemdeps
+        if: runner.os == 'macOS'
+        run: |
+          brew install --cask xquartz
+          brew install cairo
+          brew install harfbuzz fribidi
+
+      # Use a shorter temp directory for pak installations, due to filename
+      # length issues on Windows. https://github.com/r-lib/pak/issues/252
+      - name: Windows temp dir
+        if: runner.os == 'Windows'
+        run: |
+          New-Item -Path "C:\" -Name "tmp" -ItemType Directory
+          echo "TMPDIR=c:\tmp" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+
+      - name: Install dependencies
+        run: |
+          pak::local_install_dev_deps(upgrade = TRUE)
+          pak::pkg_install("rcmdcheck")
+        shell: Rscript {0}
+
+      - name: Find PhantomJS path
+        id: phantomjs
+        run: |
+          echo "::set-output name=path::$(Rscript -e 'cat(shinytest:::phantom_paths()[[1]])')"
+      - name: Cache PhantomJS
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.phantomjs.outputs.path }}
+          key: ${{ matrix.config.os }}-phantomjs
+          restore-keys: ${{ matrix.config.os }}-phantomjs
+      - name: Install PhantomJS
+        run: >
+          Rscript
+          -e "if (!shinytest::dependenciesInstalled()) shinytest::installDependencies()"
+
+      - name: Session info
+        run: |
+          options(width = 100)
+          pkgs <- installed.packages()[, "Package"]
+          sessioninfo::session_info(pkgs, include_base = TRUE)
+        shell: Rscript {0}
+
+      - name: Check
+        env:
+          _R_CHECK_CRAN_INCOMING_: false
+        run: rcmdcheck::rcmdcheck(args = c("--no-manual", "--as-cran"), error_on = "warning", check_dir = "check")
+        shell: Rscript {0}
+
+      - name: Show testthat output
+        if: always()
+        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
+      - name: Upload check results
+        if: failure()
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ matrix.config.os }}-r${{ matrix.config.r }}-results
+          path: check
+
+      - name: Fix path for Windows caching
+        if: runner.os == 'Windows'
+        # This is needed because if you use the default tar at this stage,
+        # C:/Rtools/bin/tar.exe, it will say that it can't find gzip.exe. So
+        # we'll just set the path so that the original tar that would be
+        # found, will be found.
+        run: echo "C:/Program Files/Git/usr/bin" >> $GITHUB_PATH

.github/workflows/rituals.yaml

@@ -0,0 +1,153 @@
+on:
+  push:
+    branches:
+      - master
+      - ghactions
+  pull_request:
+    branches:
+      - master
+
+name: Rituals
+
+jobs:
+  rituals:
+    name: Rituals
+    # if: false
+    runs-on: ${{ matrix.config.os }}
+
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+        - { os: ubuntu-16.04, r: '4.0', node: "14.x", rspm: "https://packagemanager.rstudio.com/all/__linux__/xenial/latest"}
+
+    env:
+      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
+      RSPM: ${{ matrix.config.rspm }}
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - uses: r-lib/actions/pr-fetch@master
+        name: Git Pull (PR)
+        if: github.event_name == 'pull_request'
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: r-lib/actions/setup-r@master
+        id: install-r
+        with:
+          r-version: ${{ matrix.config.r }}
+
+      - uses: r-lib/actions/setup-pandoc@master
+
+      - name: Git Config
+        run: |
+          git config user.name "${GITHUB_ACTOR}"
+          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
+
+      - name: Install pak and query dependencies
+        shell: Rscript {0}
+        run: |
+          install.packages("pak", repos = "https://r-lib.github.io/p/pak/dev/")
+          saveRDS(pak::pkg_deps_tree("local::.", dependencies = TRUE), ".github/r-depends.rds")
+
+      - name: Cache R packages
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.R_LIBS_USER }}
+          key: ${{ matrix.config.os }}-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('.github/r-depends.rds') }}
+          restore-keys: ${{ matrix.config.os }}-${{ steps.install-r.outputs.installed-r-version }}-1-
+
+      - name: Install system dependencies
+        # if: runner.os == 'Linux'
+        shell: Rscript {0}
+        run: |
+          pak::local_system_requirements(execute = TRUE)
+
+      - name: Install dependencies
+        shell: Rscript {0}
+        run: |
+          pak::local_install_dev_deps(upgrade = TRUE)
+          pak::pkg_install("sessioninfo")
+          pak::pkg_install("devtools")
+
+      - name: Session info
+        shell: Rscript {0}
+        run: |
+          options(width = 100)
+          pkgs <- installed.packages()[, "Package"]
+          sessioninfo::session_info(pkgs, include_base = TRUE)
+
+      - name: Url redirects
+        # only perform if in an RC branch (`rc-vX.Y.Z`)
+        if: ${{ github.event_name == 'push' && contains(github.ref, '/rc-v') }}
+        run: |
+          Rscript -e 'pak::pkg_install("r-lib/urlchecker"); urlchecker::url_update()'
+          # throw an error if man files were updated
+          if [ -n "$(git status --porcelain man)" ]
+          then
+            git status --porcelain
+            >&2 echo "Updated links found in files above"
+            >&2 echo 'Run `urlchecker::url_update()` to fix links locally'
+            exit 1
+          fi
+          # Add locally changed urls
+          git add .
+          git commit -m 'Update links (GitHub Actions)' || echo "No link changes to commit"
+
+      - name: Document
+        run: |
+          Rscript -e 'devtools::document()'
+          git add man/\* NAMESPACE
+          git commit -m 'Document (GitHub Actions)' || echo "No documentation changes to commit"
+
+      - name: Check documentation
+        run: |
+          ./tools/documentation/checkDocsCurrent.sh
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.config.node }}
+      # https://github.com/actions/cache/blame/ccf96194800dbb7b7094edcd5a7cf3ec3c270f10/examples.md#L185-L200
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - name: yarn cache
+        uses: actions/cache@v2
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ matrix.config.os }}-${{ matrix.config.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ matrix.config.os }}-${{ matrix.config.node }}-yarn-
+      - name: Build JS
+        run: |
+          cd srcts
+          tree src
+          yarn install --immutable && yarn build
+          git add ./src && git commit -m 'yarn lint (GitHub Actions)' || echo "No yarn lint changes to commit"
+          git add ../inst && git commit -m 'yarn build (GitHub Actions)' || echo "No yarn build changes to commit"
+
+      - name: Check JS build is latest
+        run: |
+          ./tools/checkJSCurrent.sh
+
+
+      - name: Git Push (PR)
+        uses: r-lib/actions/pr-push@master
+        if: github.event_name == 'pull_request'
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Git Push (MASTER)
+        if: github.event_name == 'push'
+        run: |
+          git push https://${{github.actor}}:${{secrets.GITHUB_TOKEN}}@github.com/${{github.repository}}.git HEAD:${{ github.ref }} || echo "No changes to push"
+
+      # Execute after pushing, as no updated files will be produced
+      - name: Test TypeScript code
+        run: |
+          cd srcts
+          yarn test

.gitignore

@@ -11,18 +11,5 @@ README.html
 .*.Rnb.cached
 tools/yarn-error.log
 
-# TypeScript / yarn
-/node_modules/
-.cache
-.yarn/*
-!.yarn/releases
-!.yarn/plugins
-!.yarn/sdks
-!.yarn/versions
-.pnp.*
-coverage/
-madge.svg
-
-
 # GHA remotes installation
 .github/r-depends.rds

.madgerc

@@ -1,7 +0,0 @@
-{
-  "detectiveOptions": {
-    "ts": {
-      "skipTypeImports": true
-    }
-  }
-}

.vscode/settings.json

@@ -1,18 +0,0 @@
-{
-  "search.exclude": {
-    "**/.yarn": true,
-    "**/.pnp.*": true
-  },
-  "prettier.prettierPath": "./node_modules/prettier",
-  "typescript.enablePromptUseWorkspaceTsdk": true,
-  "[r]": {
-    "files.trimTrailingWhitespace": true,
-    "files.insertFinalNewline": true,
-  },
-  "[typescript]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode",
-    "editor.formatOnSave": true,
-    "files.trimTrailingWhitespace": true,
-    "files.insertFinalNewline": true,
-  },
-}

DESCRIPTION

@@ -1,13 +1,13 @@
 Package: shiny
 Type: Package
 Title: Web Application Framework for R
-Version: 1.7.3
+Version: 1.6.0.9000
 Authors@R: c(
-    person("Winston", "Chang", role = c("aut", "cre"), email = "winston@rstudio.com", comment = c(ORCID = "0000-0002-1576-2126")),
+    person("Winston", "Chang", role = c("aut", "cre"), email = "winston@rstudio.com"),
     person("Joe", "Cheng", role = "aut", email = "joe@rstudio.com"),
     person("JJ", "Allaire", role = "aut", email = "jj@rstudio.com"),
-    person("Carson", "Sievert", role = "aut", email = "carson@rstudio.com", comment = c(ORCID = "0000-0002-4958-2844")),
-    person("Barret", "Schloerke", role = "aut", email = "barret@rstudio.com", comment = c(ORCID = "0000-0001-9986-114X")),
+    person("Carson", "Sievert", role = "aut", email = "carson@rstudio.com"),
+    person("Barret", "Schloerke", role = "aut", email = "barret@rstudio.com"),
     person("Yihui", "Xie", role = "aut", email = "yihui@rstudio.com"),
     person("Jeff", "Allen", role = "aut", email = "jeff@rstudio.com"),
     person("Jonathan", "McPherson", role = "aut", email = "jonathan@rstudio.com"),
@@ -44,6 +44,8 @@ Authors@R: c(
     comment = "Bootstrap-datepicker library"),
     person("Andrew", "Rowls", role = c("ctb", "cph"),
     comment = "Bootstrap-datepicker library"),
+    person("Dave", "Gandy", role = c("ctb", "cph"),
+    comment = "Font-Awesome font"),
     person("Brian", "Reavis", role = c("ctb", "cph"),
     comment = "selectize.js library"),
     person("Salmen", "Bejaoui", role = c("ctb", "cph"),
@@ -78,8 +80,7 @@ Imports:
     mime (>= 0.3),
     jsonlite (>= 0.9.16),
     xtable,
-    fontawesome (>= 0.4.0),
-    htmltools (>= 0.5.2),
+    htmltools (>= 0.5.0.9001),
     R6 (>= 2.0),
     sourcetools,
     later (>= 1.0.0),
@@ -91,7 +92,7 @@ Imports:
     withr,
     commonmark (>= 1.7),
     glue (>= 1.3.2),
-    bslib (>= 0.3.0),
+    bslib (>= 0.2.2.9002),
     cachem,
     ellipsis,
     lifecycle (>= 0.2.0)
@@ -105,6 +106,7 @@ Suggests:
     ggplot2,
     reactlog (>= 1.0.0),
     magrittr,
+    shinytest (>= 1.4.0.9003),
     yaml,
     future,
     dygraphs,
@@ -132,6 +134,7 @@ Collate:
     'devmode.R'
     'diagnose.R'
     'fileupload.R'
+    'font-awesome.R'
     'graph.R'
     'reactives.R'
     'reactive-domains.R'
@@ -167,6 +170,7 @@ Collate:
     'mock-session.R'
     'modal.R'
     'modules.R'
+    'navtreePanel.R'
     'notifications.R'
     'priorityqueue.R'
     'progress.R'
@@ -188,23 +192,16 @@ Collate:
     'shinywrappers.R'
     'showcase.R'
     'snapshot.R'
-    'staticimports.R'
     'tar.R'
     'test-export.R'
     'test-server.R'
     'test.R'
     'update-input.R'
     'utils-lang.R'
-    'version_bs_date_picker.R'
-    'version_ion_range_slider.R'
     'version_jquery.R'
-    'version_selectize.R'
-    'version_strftime.R'
     'viewer.R'
-RoxygenNote: 7.2.1
+RoxygenNote: 7.1.1
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
 RdMacros: lifecycle
 Config/testthat/edition: 3
-Config/Needs/check:
-  shinytest2

LICENSE

@@ -10,6 +10,7 @@ these components are included below):
 - Bootstrap, https://github.com/twbs/bootstrap
 - bootstrap-accessibility-plugin, https://github.com/paypal/bootstrap-accessibility-plugin
 - bootstrap-datepicker, https://github.com/eternicode/bootstrap-datepicker
+- Font Awesome, https://github.com/FortAwesome/Font-Awesome
 - selectize.js, https://github.com/selectize/selectize.js
 - selectize-plugin-a11y, https://github.com/SLMNBJ/selectize-plugin-a11y
 - ion.rangeSlider, https://github.com/IonDen/ion.rangeSlider
@@ -307,6 +308,449 @@ bootstrap-datepicker
    limitations under the License.
 
 
+Font Awesome (CSS files are MIT licensed; fonts have SIL Open Font License 1.1, svgs have CC BY 4.0 License)
+----------------------------------------------------------------------
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Dave Gandy
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+----
+
+Copyright (c) 2014, Dave Gandy http://fontawesome.com/,
+with Reserved Font Name Font Awesome.
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
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+
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+"Modified Version" refers to any derivative made by adding to, deleting,
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+
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+
+2) Original or Modified Versions of the Font Software may be bundled,
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+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
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+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
+
+=======================================================================
+
+Creative Commons Attribution 4.0 International Public License
+
+By exercising the Licensed Rights (defined below), You accept and agree
+to be bound by the terms and conditions of this Creative Commons
+Attribution 4.0 International Public License ("Public License"). To the
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+Section 1 -- Definitions.
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+  a. Adapted Material means material subject to Copyright and Similar
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+  d. Effective Technological Measures means those measures that, in the
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+     individually chosen by them.
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+     resulting from Directive 96/9/EC of the European Parliament and of
+     the Council of 11 March 1996 on the legal protection of databases,
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+     equivalent rights anywhere in the world.
+
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+     under this Public License. Your has a corresponding meaning.
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+Section 2 -- Scope.
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+       1. Subject to the terms and conditions of this Public License,
+          the Licensor hereby grants You a worldwide, royalty-free,
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+
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+       2. Exceptions and Limitations. For the avoidance of doubt, where
+          Exceptions and Limitations apply to Your use, this Public
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+          its terms and conditions.
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+          simply making modifications authorized by this Section 2(a)
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+
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+               recipient of the Licensed Material automatically
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+
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+               any additional or different terms or conditions on, or
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+               Material.
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+          provided in Section 3(a)(1)(A)(i).
+
+  b. Other rights.
+
+       1. Moral rights, such as the right of integrity, are not
+          licensed under this Public License, nor are publicity,
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+          the extent possible, the Licensor waives and/or agrees not to
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+          extent necessary to allow You to exercise the Licensed
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+
+       2. Patent and trademark rights are not licensed under this
+          Public License.
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+       3. To the extent possible, the Licensor waives any right to
+          collect royalties from You for the exercise of the Licensed
+          Rights, whether directly or through a collecting society
+          under any voluntary or waivable statutory or compulsory
+          licensing scheme. In all other cases the Licensor expressly
+          reserves any right to collect such royalties.
+
+
+Section 3 -- License Conditions.
+
+Your exercise of the Licensed Rights is expressly made subject to the
+following conditions.
+
+  a. Attribution.
+
+       1. If You Share the Licensed Material (including in modified
+          form), You must:
+
+            a. retain the following if it is supplied by the Licensor
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+                    Material and any others designated to receive
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+                    the Licensor (including by pseudonym if
+                    designated);
+
+                ii. a copyright notice;
+
+               iii. a notice that refers to this Public License;
+
+                iv. a notice that refers to the disclaimer of
+                    warranties;
+
+                 v. a URI or hyperlink to the Licensed Material to the
+                    extent reasonably practicable;
+
+            b. indicate if You modified the Licensed Material and
+               retain an indication of any previous modifications; and
+
+            c. indicate the Licensed Material is licensed under this
+               Public License, and include the text of, or the URI or
+               hyperlink to, this Public License.
+
+       2. You may satisfy the conditions in Section 3(a)(1) in any
+          reasonable manner based on the medium, means, and context in
+          which You Share the Licensed Material. For example, it may be
+          reasonable to satisfy the conditions by providing a URI or
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+          information.
+
+       3. If requested by the Licensor, You must remove any of the
+          information required by Section 3(a)(1)(A) to the extent
+          reasonably practicable.
+
+       4. If You Share Adapted Material You produce, the Adapter's
+          License You apply must not prevent recipients of the Adapted
+          Material from complying with this Public License.
+
+
+Section 4 -- Sui Generis Database Rights.
+
+Where the Licensed Rights include Sui Generis Database Rights that
+apply to Your use of the Licensed Material:
+
+  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
+     to extract, reuse, reproduce, and Share all or a substantial
+     portion of the contents of the database;
+
+  b. if You include all or a substantial portion of the database
+     contents in a database in which You have Sui Generis Database
+     Rights, then the database in which You have Sui Generis Database
+     Rights (but not its individual contents) is Adapted Material; and
+
+  c. You must comply with the conditions in Section 3(a) if You Share
+     all or a substantial portion of the contents of the database.
+
+For the avoidance of doubt, this Section 4 supplements and does not
+replace Your obligations under this Public License where the Licensed
+Rights include other Copyright and Similar Rights.
+
+
+Section 5 -- Disclaimer of Warranties and Limitation of Liability.
+
+  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
+     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
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+     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
+     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
+     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
+
+  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
+     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
+     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
+     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
+     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
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+     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
+     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
+     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
+
+  c. The disclaimer of warranties and limitation of liability provided
+     above shall be interpreted in a manner that, to the extent
+     possible, most closely approximates an absolute disclaimer and
+     waiver of all liability.
+
+
+Section 6 -- Term and Termination.
+
+  a. This Public License applies for the term of the Copyright and
+     Similar Rights licensed here. However, if You fail to comply with
+     this Public License, then Your rights under this Public License
+     terminate automatically.
+
+  b. Where Your right to use the Licensed Material has terminated under
+     Section 6(a), it reinstates:
+
+       1. automatically as of the date the violation is cured, provided
+          it is cured within 30 days of Your discovery of the
+          violation; or
+
+       2. upon express reinstatement by the Licensor.
+
+     For the avoidance of doubt, this Section 6(b) does not affect any
+     right the Licensor may have to seek remedies for Your violations
+     of this Public License.
+
+  c. For the avoidance of doubt, the Licensor may also offer the
+     Licensed Material under separate terms or conditions or stop
+     distributing the Licensed Material at any time; however, doing so
+     will not terminate this Public License.
+
+  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
+     License.
+
+
+Section 7 -- Other Terms and Conditions.
+
+  a. The Licensor shall not be bound by any additional or different
+     terms or conditions communicated by You unless expressly agreed.
+
+  b. Any arrangements, understandings, or agreements regarding the
+     Licensed Material not stated herein are separate from and
+     independent of the terms and conditions of this Public License.
+
+
+Section 8 -- Interpretation.
+
+  a. For the avoidance of doubt, this Public License does not, and
+     shall not be interpreted to, reduce, limit, restrict, or impose
+     conditions on any use of the Licensed Material that could lawfully
+     be made without permission under this Public License.
+
+  b. To the extent possible, if any provision of this Public License is
+     deemed unenforceable, it shall be automatically reformed to the
+     minimum extent necessary to make it enforceable. If the provision
+     cannot be reformed, it shall be severed from this Public License
+     without affecting the enforceability of the remaining terms and
+     conditions.
+
+  c. No term or condition of this Public License will be waived and no
+     failure to comply consented to unless expressly agreed to by the
+     Licensor.
+
+  d. Nothing in this Public License constitutes or may be interpreted
+     as a limitation upon, or waiver of, any privileges and immunities
+     that apply to the Licensor or You, including from the legal
+     processes of any jurisdiction or authority.
+
+
 selectize.js
 ----------------------------------------------------------------------
 

NAMESPACE

@@ -103,6 +103,7 @@ export(enableBookmarking)
 export(eventReactive)
 export(exportTestValues)
 export(exprToFunction)
+export(extractStackTrace)
 export(fileInput)
 export(fillCol)
 export(fillPage)
@@ -113,6 +114,7 @@ export(fixedRow)
 export(flowLayout)
 export(fluidPage)
 export(fluidRow)
+export(formatStackTrace)
 export(freezeReactiveVal)
 export(freezeReactiveValue)
 export(getCurrentOutputInfo)
@@ -173,6 +175,7 @@ export(moduleServer)
 export(navbarMenu)
 export(navbarPage)
 export(navlistPanel)
+export(navtreePanel)
 export(nearPoints)
 export(need)
 export(ns.sep)
@@ -205,8 +208,13 @@ export(radioButtons)
 export(reactive)
 export(reactiveConsole)
 export(reactiveFileReader)
+export(reactivePlot)
 export(reactivePoll)
+export(reactivePrint)
+export(reactiveTable)
+export(reactiveText)
 export(reactiveTimer)
+export(reactiveUI)
 export(reactiveVal)
 export(reactiveValues)
 export(reactiveValuesToList)
@@ -215,7 +223,6 @@ export(reactlogReset)
 export(reactlogShow)
 export(registerInputHandler)
 export(registerThemeDependency)
-export(register_devmode_option)
 export(removeInputHandler)
 export(removeModal)
 export(removeNotification)
@@ -258,6 +265,7 @@ export(shinyUI)
 export(showBookmarkUrlModal)
 export(showModal)
 export(showNotification)
+export(showReactLog)
 export(showTab)
 export(sidebarLayout)
 export(sidebarPanel)
@@ -378,7 +386,6 @@ importFrom(htmltools,tags)
 importFrom(htmltools,validateCssUnit)
 importFrom(htmltools,withTags)
 importFrom(lifecycle,deprecated)
-importFrom(lifecycle,is_present)
 importFrom(promises,"%...!%")
 importFrom(promises,"%...>%")
 importFrom(promises,as.promise)
@@ -387,18 +394,14 @@ importFrom(promises,promise)
 importFrom(promises,promise_reject)
 importFrom(promises,promise_resolve)
 importFrom(rlang,"%||%")
-importFrom(rlang,"fn_body<-")
-importFrom(rlang,"fn_fmls<-")
 importFrom(rlang,as_function)
 importFrom(rlang,as_quosure)
 importFrom(rlang,enexpr)
 importFrom(rlang,enquo)
-importFrom(rlang,enquo0)
 importFrom(rlang,enquos)
 importFrom(rlang,enquos0)
 importFrom(rlang,eval_tidy)
 importFrom(rlang,expr)
-importFrom(rlang,fn_body)
 importFrom(rlang,get_env)
 importFrom(rlang,get_expr)
 importFrom(rlang,inject)
@@ -413,8 +416,4 @@ importFrom(rlang,new_function)
 importFrom(rlang,new_quosure)
 importFrom(rlang,pairlist2)
 importFrom(rlang,quo)
-importFrom(rlang,quo_get_expr)
-importFrom(rlang,quo_is_missing)
-importFrom(rlang,quo_set_env)
-importFrom(rlang,quo_set_expr)
 importFrom(rlang,zap_srcref)

NEWS.md

@@ -1,75 +1,5 @@
-shiny 1.7.3
-===========
-
-### Bug fixes
-
-* Shiny 1.7.0 changed the `icon(lib="fontawesome")` implementation from a bundled copy of fontawesome, to the {fontawesome} package. This led to issue #3688, where icons that were previously working, were now breaking. That's because {fontawesome} 0.3.0 and earlier did not have support for icon names used in Font Awesome 5 and earlier, only the newest icon names used in Font Awesome 6. Now, {fontawesome} 0.4.0 has restored support for those older icon names, and Shiny 1.7.2.1 has updated its {fontawesome} requirement to >=0.4.0.
-
-
-shiny 1.7.2
-===========
-
-## Full changelog
-
-### Breaking changes
-
-* Closed #3626: `renderPlot()` (and `plotPNG()`) now uses `ragg::agg_png()` by default when the [`{ragg}` package](https://github.com/r-lib/ragg) is installed. To restore the previous behavior, set `options(shiny.useragg = FALSE)`. (#3654)
-
-### New features and improvements
-
-* Closed #1545: `insertUI()` now executes `<script>` tags. (#3630)
-
-* `fileInput()` can set the `capture` attribute to facilitates user access to a device's media capture mechanism, such as a camera, or microphone, from within a file upload control ([W3C HTML Media Capture](https://www.w3.org/TR/html-media-capture/)). (Thanks to khaled-alshamaa, #3481)
-
-* Closed tidyverse/dplyr#5552: Compatibility of dplyr 1.0 (and rlang chained errors in general) with `req()`, `validate()`, and friends.
-
-* Closed tidyverse/dplyr#6154: Values from an `actionButton()` had S3 classes in the incorrect order.
-
-* Closed #3346: Default for `ref` input in `runGithub()` changed from `"master"` to `"HEAD"`. (#3564)
-
-* Closed #3619: In R 4.2, `splitLayout()` no longer raises warnings about incorrect length in an `if` statement. (Thanks to @dmenne, #3625)
-
-### Bug fixes
-
-* Closed #3250:`{rlang}`/`{tidyeval}` conditions (i.e., warnings and errors) are no longer filtered from stack traces. (#3602)
-
-* Closed #3581: Errors in throttled/debounced reactive expressions no longer cause the session to exit. (#3624)
-
-* Closed #3657: `throttle.ts` and the `Throttler` typescript objects it provides now function as intended. (Thanks gto @dvg-p4, #3659)
-
-* The auto-reload feature (`options(shiny.autoreload=TRUE)`) was not being activated by `devmode(TRUE)`, despite a console message asserting that it was. (#3620)
-
-* Closed #2297: If an error occurred in parsing a value in a bookmark query string, an error would be thrown and nothing would be restored. Now a message is displayed and that value is ignored. (Thanks to @daattali, #3385)
-
-* Restored the previous behavior of automatically guessing the `Content-Type` header for `downloadHandler` functions when no explicit `contentType` argument is supplied. (#3393)
-
-* Previously, updating an input value without a corresponding Input binding element did not trigger a JavaScript `shiny:inputchanged` event. Now, if no Input binding element is found, the `shiny:inputchanged` event is triggered on `window.document`. (#3584)
-
-* Closed #2955: Input and output bindings previously attempted to use `el['data-input-id']`, but that never worked. They now use `el.getAttribute('data-input-id')` instead. (#3538)
-
-### Minor improvements
-
-* When taking a test snapshot, the sort order of the json keys of the `input`, `output`, and `export` fields is currently sorted using the locale of the machine. This can lead to inconsistent test snapshot results. To opt-in to a consistent ordering of snapshot fields with `{shinytest}`, please set the global option `options(shiny.snapshotsortc = TRUE)`. `{shinytest2}` users do not need to set this value. (#3515)
-
-* Closed rstudio/shinytest2#222: When restoring a context (i.e., bookmarking) from a URL, Shiny now better handles a trailing `=` after `_inputs_` and `_values_`. (#3648)
-
-* Shiny's internal HTML dependencies are now mounted dynamically instead of statically. (#3537)
-
-* HTML dependencies that are sent to dynamic UI now have better type checking, and no longer require a `dep.src.href` field. (#3537)
-
-
-shiny 1.7.1
-===========
-
-## Bug Fixes
-
-* Closed #3516: Fix regression in repeated calls to `appendTab()` when `navbarMenu()` is already present within a `tabsetPanel()`/`navbarPage()`. (#3518)
-
-* Re-arranged conditions for testthat 1.0.0 compatibility. (#3512)
-
-
-shiny 1.7.0
-===========
+shiny 1.6.0.9000
+================
 
 ## Full changelog
 
@@ -77,49 +7,27 @@ shiny 1.7.0
 
 * The `format` and `locale` arguments to `sliderInput()` have been removed. They have been deprecated since 0.10.2.2 (released on 2014-12-08).
 
-* Closed #3403: `insertTab()`'s `position` parameter now defaults to `"after"` instead of `"before"`. This has the benefit of allowing us to fix a bug in positioning when `target = NULL`, but has the drawback of changing the default behavior when `target` is not `NULL`. (#3404)
-
 ### New features and improvements
 
-* Bootstrap 5 support. (#3410 and rstudio/bslib#304)
-  * As explained [here](https://rstudio.github.io/bslib/index.html#basic-usage), to opt-in to Bootstrap 5, provide `bslib::bs_theme(version = 5)` to a page layout function with a `theme` argument (e.g., `fluidPage()`, `navbarPage()`, etc).
-
-* Closed #3322, #3313, #1823, #3321, #3320, #1928, and #2310: Various improvements to `navbarPage()`, `tabsetPanel()`, `tabPanel()`, `navbarMenu()`, etc. Also, these functions are now powered by the `{bslib}` package's new `nav()` API (consider using `{bslib}`'s API to create better looking and more fully featured navs). (#3388)
-
 * All uses of `list(...)` have been replaced with `rlang::list2(...)`. This means that you can use trailing `,` without error and use rlang's `!!!` operator to "splice" a list of argument values into `...`. We think this'll be particularly useful for passing a list of `tabPanel()` to their consumers (i.e., `tabsetPanel()`, `navbarPage()`, etc). For example, `tabs <- list(tabPanel("A", "a"), tabPanel("B", "b")); navbarPage(!!!tabs)`. (#3315 and #3328)
 
-* `installExprFunction()` and `exprToFunction()` are now able to handle quosures when `quoted = TRUE`. So `render`-functions which call these functions (such as with `htmlwidgets`) can now understand quosures. Users can also use `rlang::inject()` to unquote a quosure for evaluation.  This also means that `render` function no longer need `env` and `quoted` parameters; that information can be embedded into a quosure which is then passed to the `render` function. Better documentation was added for how to create `render` functions. (#3472)
-
-* `icon(lib="fontawesome")` is now powered by the `{fontawesome}` package, which will make it easier to use the latest FA icons in the future (by updating the `{fontawesome}` package). (#3302)
-
-* Closed #3397: `renderPlot()` new uses `ggplot2::get_alt_text()` to inform an `alt` text default (for `{ggplot2}` plots). (#3398)
-
-* `modalDialog()` gains support for `size = "xl"`. (#3410)
-
-* Addressed #2521: Updated the list of TCP ports that will be rejected by default in runapp.R, adding 5060, 5061 and 6566. Added documentation describing the port range (3000:8000) and which ports are rejected. (#3456)
-
+* Numerous improvements tabset panels (i.e., `tabPanel()`, `navbarMenu()`, `tabsetPanel()`, `navbarPage()`, etc) (#3315):
+  * Closed #3322: `tabsetPanel()` and `navlistPanel()` gain `header`/`footer` arguments (inspired by `navbarPage()`'s already existing `header`/`footer`), making it easier to include content that should appear on every tab.
+  * Closed #3313 and #1823: More informative error when non-`tabPanel()`/`shiny.tag` objects are supplied to `...`.
+  * Closed #3321: New informative warning when `shiny.tag` object(s) are supplied to `...`. In this case we will continue to create an "empty" nav item and include the content on every tab, but the warning will mention the (new) `header`/`footer` args, which is likely what the user wants.
+  * Closed #3320: The HTML markup that `tabPanel()` et. al generate (for Bootstrap nav) is now Bootstrap 4+ compliant when used with `theme = bslib::bs_theme()`.
+  * Closed #1928: `NULL` values are now dropped instead of producing an empty nav item.
+  
 ### Other improvements
 
-* Shiny's core JavaScript code was converted to TypeScript. For the latest development information, please see the [README.md in `./srcts`](https://github.com/rstudio/shiny/tree/v1.7.0/srcts). (#3296)
+* Shiny's core JavaScript code was converted to TypeScript. For the latest development information, please see the [README.md in `./srcts`](https://github.com/rstudio/shiny/tree/master/srcts). (#3296)
 
 * Switched from `digest::digest()` to `rlang::hash()` for hashing. (#3264)
 
 * Switched from internal `Stack` class to `fastmap::faststack()`, and used `fastmap::fastqueue()`. (#3176)
 
-* Some long-deprecated functions and function parameters were removed. (#3137)
-
 ### Bug fixes
 
-* Closed #3345: Shiny now correctly renders `htmltools::htmlDependency()`(s) with a `list()` of `script` attributes when used in a dynamic UI context. This fairly new `htmlDependency()` feature was added in `{htmltools}` v0.5.1. (#3395)
-
-* Fixed [#2666](https://github.com/rstudio/shiny/issues/2666) and [#2670](https://github.com/rstudio/shiny/issues/2670): `nearPoints()` and `brushedPoints()` weren't properly account for missing values (#2666 was introduced in v1.4.0). ([#2668](https://github.com/rstudio/shiny/pull/2668))
-
-* Closed #3374: `quoToFunction()` now works correctly with nested quosures; and as a result, quasi-quotation with rendering function (e.g., `renderPrint()`, `renderPlot()`, etc) now works as expected with nested quosures. (#3373)
-
-* Exported `register_devmode_option()`. This method was described in the documentation for `devmode()` but was never exported. See `?devmode()` for more details on how to register Shiny Developer options using `register_devmode_option()`. (#3364)
-
-* Closed #3484: In the RStudio IDE on Mac 11.5, selected checkboxes and radio buttons were not visible. (#3485)
-
 ### Library updates
 
 * Closed #3286: Updated to Font-Awesome 5.15.2. (#3288)
@@ -133,7 +41,7 @@ This release focuses on improvements in three main areas:
 
 1. Better theming (and Bootstrap 4) support:
   * The `theme` argument of `fluidPage()`, `navbarPage()`, and `bootstrapPage()` all now understand `bslib::bs_theme()` objects, which can be used to opt-into Bootstrap 4, use any Bootswatch theme, and/or implement custom themes without writing any CSS.
-  * The `session` object now includes `$setCurrentTheme()` and `$getCurrentTheme()` methods to dynamically update (or obtain) the page's `theme` after initial load, which is useful for things such as [adding a dark mode switch to an app](https://rstudio.github.io/bslib/articles/bslib.html#dynamic) or some other "real-time" theming tool like `bslib::bs_themer()`.
+  * The `session` object now includes `$setCurrentTheme()` and `$getCurrentTheme()` methods to dynamically update (or obtain) the page's `theme` after initial load, which is useful for things such as [adding a dark mode switch to an app](https://rstudio.github.io/bslib/articles/theming.html#dynamic-shiny) or some other "real-time" theming tool like `bslib::bs_themer()`.
   * For more details, see [`{bslib}`'s website](https://rstudio.github.io/bslib/)
 
 2. Caching of `reactive()` and `render*()` (e.g. `renderText()`, `renderTable()`, etc) expressions.
@@ -255,7 +163,7 @@ shiny 1.5.0
 
 * The new `moduleServer` function provides a simpler interface for creating and using modules. (#2773)
 
-* Resolved #2732: `markdown()` is a new function for writing Markdown with Github extensions directly in Shiny UIs. Markdown rendering is performed by the [commonmark](https://github.com/r-lib/commonmark) package. (#2737)
+* Resolved #2732: `markdown()` is a new function for writing Markdown with Github extensions directly in Shiny UIs. Markdown rendering is performed by the [commonmark](https://github.com/jeroen/commonmark) package. (#2737)
 
 * The `getCurrentOutputInfo()` function can now return the background color (`bg`), foreground color (`fg`), `accent` (i.e., hyperlink) color, and `font` information of the output's HTML container. This information is reported by `plotOutput()`, `imageOutput()`, and any other output bindings containing a class of `.shiny-report-theme`. This feature allows developers to style an output's contents based on the container's CSS styling.  (#2740)
 
@@ -521,7 +429,7 @@ This is a significant release for Shiny, with a major new feature that was nearl
 
 * Removed the (ridiculously outdated) "experimental feature" tag from the reference documentation for `renderUI`. (#2036)
 
-* Addressed #1907: the `ignoreInit` argument was first added only to `observeEvent`. Later, we also added it to `eventReactive`, but forgot to update the documentation. Now done, thanks @flo12392! (#2036)
+* Addressed #1907: the `ignoreInit` argument was first added only to `observeEvent`. Later, we also added it to `eventReactive`, but forgot to update the documentation. Now done, thanks [@flo12392](https://github.com/flo12392)! (#2036)
 
 ### Bug fixes
 
@@ -535,7 +443,7 @@ This is a significant release for Shiny, with a major new feature that was nearl
 
 * Fixed #1600: URL-encoded bookmarking did not work with sliders that had dates or date-times. (#1961)
 
-* Fixed #1962: [File dragging and dropping](https://www.rstudio.com/blog/shiny-1-0-4/) broke in the presence of jQuery version 3.0 as introduced by the [rhandsontable](https://jrowen.github.io/rhandsontable/) [htmlwidget](https://www.htmlwidgets.org/). (#2005)
+* Fixed #1962: [File dragging and dropping](https://blog.rstudio.com/2017/08/15/shiny-1-0-4/) broke in the presence of jQuery version 3.0 as introduced by the [rhandsontable](https://jrowen.github.io/rhandsontable/) [htmlwidget](https://www.htmlwidgets.org/). (#2005)
 
 * Improved the error handling inside the `addResourcePath()` function, to give end users more informative error messages when the `directoryPath` argument cannot be normalized. This is especially useful for `runtime: shiny_prerendered` Rmd documents, like `learnr` tutorials. (#1968)
 

R/app_template.R

@@ -10,7 +10,8 @@
 #' 2: app.R              : Main application file
 #' 3: R/example.R        : Helper file with R code
 #' 4: R/example-module.R : Example module
-#' 5: tests/testthat/    : Tests using the testthat and shinytest2 package
+#' 5: tests/shinytest/   : Tests using the shinytest package
+#' 6: tests/testthat/    : Tests using the testthat package
 #' ```
 #'
 #' If option 1 is selected, the full example application including the
@@ -23,12 +24,13 @@
 #' |   |- example-module.R
 #' |   `- example.R
 #' `- tests
+#'     |- shinytest.R
+#'     |- shinytest
+#'     |   `- mytest.R
 #'     |- testthat.R
 #'     `- testthat
-#'         |- setup-shinytest2.R
 #'         |- test-examplemodule.R
 #'         |- test-server.R
-#'         |- test-shinytest2.R
 #'         `- test-sort.R
 #' ```
 #'
@@ -43,21 +45,20 @@
 #' * `tests/` contains various tests for the application. You may
 #'   choose to use or remove any of them. They can be executed by the
 #'   [runTests()] function.
+#' * `tests/shinytest.R` is a test runner for test files in the
+#'   `tests/shinytest/` directory.
+#' * `tests/shinytest/mytest.R` is a test that uses the
+#'   [shinytest](https://rstudio.github.io/shinytest/) package to do
+#'   snapshot-based testing.
 #' * `tests/testthat.R` is a test runner for test files in the
-#'   `tests/testthat/` directory using the
-#'   [shinytest2](https://rstudio.github.io/shinytest2/reference/test_app.html)
-#'   package.
-#' * `tests/testthat/setup-shinytest2.R` is setup file to source your `./R` folder into the testing environment.
+#'   `tests/testthat/` directory using the [testthat](https://testthat.r-lib.org/) package.
 #' * `tests/testthat/test-examplemodule.R` is a test for an application's module server function.
 #' * `tests/testthat/test-server.R` is a test for the application's server code
-#' * `tests/testthat/test-shinytest2.R` is a test that uses the
-#'   [shinytest2](https://rstudio.github.io/shinytest2/) package to do
-#'   snapshot-based testing.
 #' * `tests/testthat/test-sort.R` is a test for a supporting function in the `R/` directory.
 #'
 #' @param path Path to create new shiny application template.
 #' @param examples Either one of "default", "ask", "all", or any combination of
-#'   "app", "rdir", "module", and "tests". In an
+#'   "app", "rdir", "module", "shinytest", and "testthat". In an
 #'   interactive session, "default" falls back to "ask"; in a non-interactive
 #'   session, "default" falls back to "all". With "ask", this function will
 #'   prompt the user to select which template items will be added to the new app
@@ -78,19 +79,15 @@ shinyAppTemplate <- function(path = NULL, examples = "default", dryrun = FALSE)
   # =======================================================
 
   choices <- c(
-    app    = "app.R              : Main application file",
-    rdir   = "R/example.R        : Helper file with R code",
-    module = "R/example-module.R : Example module",
-    tests  = "tests/testthat/    : Tests using {testthat} and {shinytest2}"
+    app       = "app.R              : Main application file",
+    rdir      = "R/example.R        : Helper file with R code",
+    module    = "R/example-module.R : Example module",
+    shinytest = "tests/shinytest/   : Tests using the shinytest package",
+    testthat  = "tests/testthat/    : Tests using the testthat package"
   )
 
-  # Support legacy value
-  examples[examples == "shinytest"] <- "tests"
-  examples[examples == "testthat"] <- "tests"
-  examples <- unique(examples)
-
   if (identical(examples, "default")) {
-    if (rlang::is_interactive()) {
+    if (interactive()) {
       examples <- "ask"
     } else {
       examples <- "all"
@@ -127,8 +124,18 @@ shinyAppTemplate <- function(path = NULL, examples = "default", dryrun = FALSE)
     return(invisible())
   }
 
-  if ("tests" %in% examples) {
-    rlang::check_installed("shinytest2", "for {testthat} tests to work as expected", version = "0.2.0")
+  if ("shinytest" %in% examples) {
+    if (!is_available("shinytest", "1.4.0"))
+    {
+      message(
+        "The tests/shinytest directory needs shinytest 1.4.0 or later to work properly."
+      )
+      if (is_available("shinytest")) {
+        message("You currently have shinytest ",
+                utils::packageVersion("shinytest"), " installed.")
+      }
+
+    }
   }
 
   # =======================================================
@@ -145,7 +152,7 @@ shinyAppTemplate <- function(path = NULL, examples = "default", dryrun = FALSE)
 
   # Helper to resolve paths relative to our template
   template_path <- function(...) {
-    system_file("app_template", ..., package = "shiny")
+    system.file("app_template", ..., package = "shiny")
   }
 
   # Resolve path relative to destination
@@ -201,13 +208,16 @@ shinyAppTemplate <- function(path = NULL, examples = "default", dryrun = FALSE)
   }
 
   # Copy the files for a tests/ subdirectory
-  copy_test_dir <- function() {
+  copy_test_dir <- function(name) {
     files <- dir(template_path("tests"), recursive = TRUE)
+    # Note: This is not the same as using dir(pattern = "^shinytest"), since
+    # that will not match files inside of shinytest/.
+    files <- files[grepl(paste0("^", name), files)]
 
     # Filter out files that are not module files in the R directory.
     if (! "rdir" %in% examples) {
       # find all files in the testthat folder that are not module or server files
-      is_r_folder_file <- !grepl("module|server|shinytest2|testthat", basename(files))
+      is_r_folder_file <- (!grepl("module|server", basename(files))) & (dirname(files) == "testthat")
       files <- files[!is_r_folder_file]
     }
 
@@ -272,10 +282,12 @@ shinyAppTemplate <- function(path = NULL, examples = "default", dryrun = FALSE)
     copy_file(file.path("R", module_files))
   }
 
-  # tests/testthat dir
-  if ("tests" %in% examples) {
-    copy_test_dir()
+  # tests/ dir
+  if ("shinytest" %in% examples) {
+    copy_test_dir("shinytest")
+  }
+  if ("testthat" %in% examples) {
+    copy_test_dir("testthat")
   }
-
   invisible()
 }

R/bind-cache.R

@@ -255,7 +255,7 @@ utils::globalVariables(".GenericCallEnv", add = TRUE)
 #'   the cache.
 #'
 #'   You may need to provide a `cacheHint` to [createRenderFunction()] (or
-#'   `htmlwidgets::shinyRenderWidget()`, if you've authored an htmlwidget) in
+#'   [htmlwidgets::shinyRenderWidget()], if you've authored an htmlwidget) in
 #'   order for `bindCache()` to correctly compute a cache key.
 #'
 #'   The potential problem is a cache collision. Consider the following:
@@ -292,11 +292,11 @@ utils::globalVariables(".GenericCallEnv", add = TRUE)
 #'   In some cases, however, the automatic cache hint inference is not
 #'   sufficient, and it is necessary to provide a cache hint. This is true
 #'   for `renderPrint()`. Unlike `renderText()`, it wraps the user-provided
-#'   expression in another function, before passing it to [createRenderFunction()]
+#'   expression in another function, before passing it to [markRenderFunction()]
 #'   (instead of [createRenderFunction()]). Because the user code is wrapped in
-#'   another function, `createRenderFunction()` is not able to automatically
+#'   another function, `markRenderFunction()` is not able to automatically
 #'   extract the user-provided code and use it in the cache key. Instead,
-#'   `renderPrint` calls `createRenderFunction()`, it explicitly passes along a
+#'   `renderPrint` calls `markRenderFunction()`, it explicitly passes along a
 #'   `cacheHint`, which includes a label and the original user expression.
 #'
 #'   In general, if you need to provide a `cacheHint`, it is best practice to
@@ -310,19 +310,19 @@ utils::globalVariables(".GenericCallEnv", add = TRUE)
 #'
 #'   ```
 #'   renderMyWidget <- function(expr) {
-#'     q <- rlang::enquo0(expr)
+#'     expr <- substitute(expr)
 #'
-#'     htmlwidgets::shinyRenderWidget(
-#'       q,
+#'     htmlwidgets::shinyRenderWidget(expr,
 #'       myWidgetOutput,
 #'       quoted = TRUE,
-#'       cacheHint = list(label = "myWidget", userQuo = q)
+#'       env = parent.frame(),
+#'       cacheHint = list(label = "myWidget", userExpr = expr)
 #'     )
 #'   }
 #'   ```
 #'
 #'   If your `render` function sets any internal state, you may find it useful
-#'   in your call to [createRenderFunction()] to use
+#'   in your call to [createRenderFunction()] or [markRenderFunction()] to use
 #'   the `cacheWriteHook` and/or `cacheReadHook` parameters. These hooks are
 #'   functions that run just before the object is stored in the cache, and just
 #'   after the object is retrieved from the cache. They can modify the data
@@ -339,8 +339,8 @@ utils::globalVariables(".GenericCallEnv", add = TRUE)
 #'   effects or modify some external state, and they must re-execute each time
 #'   in order to work properly.
 #'
-#'   For developers of such code, they should call [createRenderFunction()] (or
-#'   [markRenderFunction()]) with `cacheHint = FALSE`.
+#'   For developers of such code, they should call [createRenderFunction()] or
+#'   [markRenderFunction()] with `cacheHint = FALSE`.
 #'
 #'
 #' @section Caching with `renderPlot()`:

R/bookmark-state.R

@@ -321,38 +321,34 @@ RestoreContext <- R6Class("RestoreContext",
       if (substr(queryString, 1, 1) == '?')
         queryString <- substr(queryString, 2, nchar(queryString))
 
-      # The "=" after "_inputs_" is optional. Shiny doesn't generate URLs with
-      # "=", but httr always adds "=".
-      inputs_reg <- "(^|&)_inputs_=?(&|$)"
-      values_reg <- "(^|&)_values_=?(&|$)"
 
       # Error if multiple '_inputs_' or '_values_'. This is needed because
       # strsplit won't add an entry if the search pattern is at the end of a
       # string.
-      if (length(gregexpr(inputs_reg, queryString)[[1]]) > 1)
+      if (length(gregexpr("(^|&)_inputs_(&|$)", queryString)[[1]]) > 1)
         stop("Invalid state string: more than one '_inputs_' found")
-      if (length(gregexpr(values_reg, queryString)[[1]]) > 1)
+      if (length(gregexpr("(^|&)_values_(&|$)", queryString)[[1]]) > 1)
         stop("Invalid state string: more than one '_values_' found")
 
       # Look for _inputs_ and store following content in inputStr
-      splitStr <- strsplit(queryString, inputs_reg)[[1]]
+      splitStr <- strsplit(queryString, "(^|&)_inputs_(&|$)")[[1]]
       if (length(splitStr) == 2) {
         inputStr <- splitStr[2]
         # Remove any _values_ (and content after _values_) that may come after
         # _inputs_
-        inputStr <- strsplit(inputStr, values_reg)[[1]][1]
+        inputStr <- strsplit(inputStr, "(^|&)_values_(&|$)")[[1]][1]
 
       } else {
         inputStr <- ""
       }
 
       # Look for _values_ and store following content in valueStr
-      splitStr <- strsplit(queryString, values_reg)[[1]]
+      splitStr <- strsplit(queryString, "(^|&)_values_(&|$)")[[1]]
       if (length(splitStr) == 2) {
         valueStr <- splitStr[2]
         # Remove any _inputs_ (and content after _inputs_) that may come after
         # _values_
-        valueStr <- strsplit(valueStr, inputs_reg)[[1]][1]
+        valueStr <- strsplit(valueStr, "(^|&)_inputs_(&|$)")[[1]][1]
 
       } else {
         valueStr <- ""
@@ -363,20 +359,16 @@ RestoreContext <- R6Class("RestoreContext",
       values <- parseQueryString(valueStr, nested = TRUE)
 
       valuesFromJSON <- function(vals) {
-        varsUnparsed <- c()
-        valsParsed <- mapply(names(vals), vals, SIMPLIFY = FALSE,
+        mapply(names(vals), vals, SIMPLIFY = FALSE,
           FUN = function(name, value) {
             tryCatch(
               safeFromJSON(value),
               error = function(e) {
-                varsUnparsed <<- c(varsUnparsed, name)
-                warning("Failed to parse URL parameter \"", name, "\"")
+                stop("Failed to parse URL parameter \"", name, "\"")
               }
             )
           }
         )
-        valsParsed[varsUnparsed] <- NULL
-        valsParsed
       }
 
       inputs <- valuesFromJSON(inputs)

R/bootstrap-deprecated.R

@@ -6,7 +6,7 @@
 #' @param sidebarPanel The [sidebarPanel] containing input controls
 #' @param mainPanel The [mainPanel] containing outputs
 #' @keywords internal
-#' @return A UI definition that can be passed to the [shinyUI] function
+#' @return A UI defintion that can be passed to the [shinyUI] function
 #' @export
 pageWithSidebar <- function(headerPanel,
                             sidebarPanel,

R/bootstrap-layout.R

@@ -11,9 +11,11 @@
 #' @param ... Elements to include within the page
 #' @param title The browser window title (defaults to the host URL of the page).
 #'   Can also be set as a side effect of the [titlePanel()] function.
+#' @param responsive This option is deprecated; it is no longer optional with
+#'   Bootstrap 3.
 #' @inheritParams bootstrapPage
 #'
-#' @return A UI definition that can be passed to the [shinyUI] function.
+#' @return A UI defintion that can be passed to the [shinyUI] function.
 #'
 #' @details To create a fluid page use the `fluidPage` function and include
 #'   instances of `fluidRow` and [column()] within it. As an
@@ -83,9 +85,10 @@
 #' }
 #' @rdname fluidPage
 #' @export
-fluidPage <- function(..., title = NULL, theme = NULL, lang = NULL) {
+fluidPage <- function(..., title = NULL, responsive = deprecated(), theme = NULL, lang = NULL) {
   bootstrapPage(div(class = "container-fluid", ...),
                 title = title,
+                responsive = responsive,
                 theme = theme,
                 lang = lang)
 }
@@ -109,9 +112,11 @@ fluidRow <- function(...) {
 #'
 #' @param ... Elements to include within the container
 #' @param title The browser window title (defaults to the host URL of the page)
+#' @param responsive This option is deprecated; it is no longer optional with
+#'   Bootstrap 3.
 #' @inheritParams bootstrapPage
 #'
-#' @return A UI definition that can be passed to the [shinyUI] function.
+#' @return A UI defintion that can be passed to the [shinyUI] function.
 #'
 #' @details To create a fixed page use the `fixedPage` function and include
 #'   instances of `fixedRow` and [column()] within it. Note that
@@ -148,9 +153,10 @@ fluidRow <- function(...) {
 #'
 #' @rdname fixedPage
 #' @export
-fixedPage <- function(..., title = NULL, theme = NULL, lang = NULL) {
+fixedPage <- function(..., title = NULL, responsive = deprecated(), theme = NULL, lang = NULL) {
   bootstrapPage(div(class = "container", ...),
                 title = title,
+                responsive = responsive,
                 theme = theme,
                 lang = lang)
 }
@@ -516,7 +522,7 @@ splitLayout <- function(..., cellWidths = NULL, cellArgs = list()) {
   children <- children[childIdx]
   count <- length(children)
 
-  if (length(cellWidths) == 0 || isTRUE(is.na(cellWidths))) {
+  if (length(cellWidths) == 0 || is.na(cellWidths)) {
     cellWidths <- sprintf("%.3f%%", 100 / count)
   }
   cellWidths <- rep(cellWidths, length.out = count)

R/bootstrap.R

@@ -14,6 +14,8 @@ NULL
 #'
 #' @param ... The contents of the document body.
 #' @param title The browser window title (defaults to the host URL of the page)
+#' @param responsive This option is deprecated; it is no longer optional with
+#'   Bootstrap 3.
 #' @param theme One of the following:
 #'   * `NULL` (the default), which implies a "stock" build of Bootstrap 3.
 #'   * A [bslib::bs_theme()] object. This can be used to replace a stock
@@ -24,17 +26,23 @@ NULL
 #'   This will be used as the lang in the \code{<html>} tag, as in \code{<html lang="en">}.
 #'   The default (NULL) results in an empty string.
 #'
-#' @return A UI definition that can be passed to the [shinyUI] function.
+#' @return A UI defintion that can be passed to the [shinyUI] function.
 #'
 #' @note The `basicPage` function is deprecated, you should use the
 #'   [fluidPage()] function instead.
 #'
 #' @seealso [fluidPage()], [fixedPage()]
 #' @export
-bootstrapPage <- function(..., title = NULL, theme = NULL, lang = NULL) {
+bootstrapPage <- function(..., title = NULL, responsive = deprecated(), theme = NULL, lang = NULL) {
+
+  if (lifecycle::is_present(responsive)) {
+    shinyDeprecated(
+      "0.10.2.2", "bootstrapPage(responsive=)",
+      details = "The 'responsive' argument is no longer used with the latest version of Bootstrap."
+    )
+  }
 
   args <- list(
-    jqueryDependency(),
     if (!is.null(title)) tags$head(tags$title(title)),
     if (is.character(theme)) {
       if (length(theme) > 1) stop("`theme` must point to a single CSS file, not multiple files.")
@@ -138,7 +146,8 @@ bs_theme_deps <- function(theme) {
 }
 
 is_bs_theme <- function(x) {
-  bslib::is_bs_theme(x)
+  is_available("bslib", "0.2.0.9000") &&
+    bslib::is_bs_theme(x)
 }
 
 #' Obtain Shiny's Bootstrap Sass theme
@@ -157,7 +166,7 @@ getCurrentTheme <- function() {
   getShinyOption("bootstrapTheme", default = NULL)
 }
 
-getCurrentThemeVersion <- function() {
+getCurrentVersion <- function() {
   theme <- getCurrentTheme()
   if (bslib::is_bs_theme(theme)) {
     bslib::theme_version(theme)
@@ -214,10 +223,11 @@ registerThemeDependency <- function(func) {
 
 bootstrapDependency <- function(theme) {
   htmlDependency(
-    "bootstrap",
-    bootstrapVersion,
-    src = "www/shared/bootstrap",
-    package = "shiny",
+    "bootstrap", bootstrapVersion,
+    c(
+      href = "shared/bootstrap",
+      file = system.file("www/shared/bootstrap", package = "shiny")
+    ),
     script = c(
       "js/bootstrap.min.js",
       # Safely adding accessibility plugin for screen readers and keyboard users; no break for sighted aspects (see https://github.com/paypal/bootstrap-accessibility-plugin)
@@ -376,16 +386,17 @@ collapseSizes <- function(padding) {
 #' @param collapsible `TRUE` to automatically collapse the navigation
 #'   elements into a menu when the width of the browser is less than 940 pixels
 #'   (useful for viewing on smaller touchscreen device)
+#' @param collapsable Deprecated; use `collapsible` instead.
 #' @param fluid `TRUE` to use a fluid layout. `FALSE` to use a fixed
 #'   layout.
-#' @param windowTitle the browser window title (as a character string). The
-#'   default value, `NA`, means to use any character strings that appear in
-#'   `title` (if none are found, the host URL of the page is displayed by
-#'   default).
+#' @param responsive This option is deprecated; it is no longer optional with
+#'   Bootstrap 3.
+#' @param windowTitle The title that should be displayed by the browser window.
+#'   Useful if `title` is not a string.
 #' @inheritParams bootstrapPage
 #' @param icon Optional icon to appear on a `navbarMenu` tab.
 #'
-#' @return A UI definition that can be passed to the [shinyUI] function.
+#' @return A UI defintion that can be passed to the [shinyUI] function.
 #'
 #' @details The `navbarMenu` function can be used to create an embedded
 #'   menu within the navbar that in turns includes additional tabPanels (see
@@ -423,20 +434,80 @@ navbarPage <- function(title,
                        footer = NULL,
                        inverse = FALSE,
                        collapsible = FALSE,
+                       collapsable = deprecated(),
                        fluid = TRUE,
+                       responsive = deprecated(),
                        theme = NULL,
-                       windowTitle = NA,
+                       windowTitle = title,
                        lang = NULL) {
-  remove_first_class(bslib::page_navbar(
-    ..., title = title, id = id, selected = selected,
-    position = match.arg(position),
-    header = header, footer = footer,
-    inverse = inverse, collapsible = collapsible,
-    fluid = fluid,
+
+  if (lifecycle::is_present(collapsable)) {
+    shinyDeprecated("0.10.2.2", "navbarPage(collapsable =)", "navbarPage(collapsible =)")
+    collapsible <- collapsable
+  }
+
+  # alias title so we can avoid conflicts w/ title in withTags
+  pageTitle <- title
+
+  # navbar class based on options
+  # TODO: tagFunction() the navbar logic?
+  navbarClass <- "navbar navbar-default"
+  position <- match.arg(position)
+  if (!is.null(position))
+    navbarClass <- paste0(navbarClass, " navbar-", position)
+  if (inverse)
+    navbarClass <- paste(navbarClass, "navbar-inverse")
+
+  if (!is.null(id))
+    selected <- restoreInput(id = id, default = selected)
+
+  # build the tabset
+  tabset <- buildTabset(..., ulClass = "nav navbar-nav", id = id, selected = selected)
+
+  containerClass <- paste0("container", if (fluid) "-fluid")
+
+  # built the container div dynamically to support optional collapsibility
+  if (collapsible) {
+    navId <- paste0("navbar-collapse-", p_randomInt(1000, 10000))
+    containerDiv <- div(class=containerClass,
+      div(class="navbar-header",
+        tags$button(type="button", class="navbar-toggle collapsed",
+          `data-toggle`="collapse", `data-target`=paste0("#", navId),
+          span(class="sr-only", "Toggle navigation"),
+          span(class="icon-bar"),
+          span(class="icon-bar"),
+          span(class="icon-bar")
+        ),
+        span(class="navbar-brand", pageTitle)
+      ),
+      div(class="navbar-collapse collapse", id=navId, tabset$navList)
+    )
+  } else {
+    containerDiv <- div(class=containerClass,
+      div(class="navbar-header",
+        span(class="navbar-brand", pageTitle)
+      ),
+      tabset$navList
+    )
+  }
+
+  # build the main tab content div
+  contentDiv <- div(class=containerClass)
+  if (!is.null(header))
+    contentDiv <- tagAppendChild(contentDiv, div(class="row", header))
+  contentDiv <- tagAppendChild(contentDiv, tabset$content)
+  if (!is.null(footer))
+    contentDiv <- tagAppendChild(contentDiv, div(class="row", footer))
+
+  # build the page
+  bootstrapPage(
+    title = windowTitle,
+    responsive = responsive,
     theme = theme,
-    window_title = windowTitle,
-    lang = lang
-  ))
+    lang = lang,
+    tags$nav(class=navbarClass, role="navigation", containerDiv),
+    contentDiv
+  )
 }
 
 #' @param menuName A name that identifies this `navbarMenu`. This
@@ -446,7 +517,15 @@ navbarPage <- function(title,
 #' @rdname navbarPage
 #' @export
 navbarMenu <- function(title, ..., menuName = title, icon = NULL) {
-  bslib::nav_menu(title, ..., value = menuName, icon = icon)
+  structure(list(title = title,
+                 menuName = menuName,
+                 tabs = list2(...),
+                 iconClass = iconClass(icon)),
+            class = "shiny.navbarmenu")
+}
+
+isNavbarMenu <- function(x) {
+  inherits(x, "shiny.navbarmenu")
 }
 
 #' Create a well panel
@@ -581,14 +660,34 @@ helpText <- function(...) {
 #' @export
 #' @describeIn tabPanel Create a tab panel that can be included within a [tabsetPanel()] or a [navbarPage()].
 tabPanel <- function(title, ..., value = title, icon = NULL) {
-  bslib::nav(title, ..., value = value, icon = icon)
+  div(
+    class = "tab-pane",
+    title = title,
+    `data-value` = value,
+    `data-icon-class` = iconClass(icon),
+    ...
+  )
+}
+
+isTabPanel <- function(x) {
+  if (!inherits(x, "shiny.tag")) return(FALSE)
+  class <- tagGetAttribute(x, "class") %||% ""
+  "tab-pane" %in% strsplit(class, "\\s+")[[1]]
 }
 
 #' @export
 #' @describeIn tabPanel Create a tab panel that drops the title argument.
 #'   This function should be used within `tabsetPanel(type = "hidden")`. See [tabsetPanel()] for example usage.
 tabPanelBody <- function(value, ..., icon = NULL) {
-  bslib::nav_content(value, ..., icon = icon)
+  if (
+    !is.character(value) ||
+    length(value) != 1 ||
+    any(is.na(value)) ||
+    nchar(value) == 0
+  ) {
+    stop("`value` must be a single, non-empty string value")
+  }
+  tabPanel(title = NULL, ..., value = value, icon = icon)
 }
 
 #' Create a tabset panel
@@ -611,6 +710,8 @@ tabPanelBody <- function(value, ..., icon = NULL) {
 #'   conjunction with [tabPanelBody()] and [updateTabsetPanel()] to control the
 #'   active tab via other input controls. (See example below)}
 #' }
+#' @param position This argument is deprecated; it has been discontinued in
+#'   Bootstrap 3.
 #' @inheritParams navbarPage
 #' @return A tabset that can be passed to [mainPanel()]
 #'
@@ -662,19 +763,29 @@ tabsetPanel <- function(...,
                         selected = NULL,
                         type = c("tabs", "pills", "hidden"),
                         header = NULL,
-                        footer = NULL) {
+                        footer = NULL,
+                        position = deprecated()) {
+  if (lifecycle::is_present(position)) {
+    shinyDeprecated(
+      "0.10.2.2", "bootstrapPage(position =)",
+      details = "The 'position' argument is no longer used with the latest version of Bootstrap."
+    )
+  }
 
-  func <- switch(
-    match.arg(type),
-    tabs = bslib::navs_tab,
-    pills = bslib::navs_pill,
-    hidden = bslib::navs_hidden
-  )
+  if (!is.null(id))
+    selected <- restoreInput(id = id, default = selected)
 
-  # bslib adds a class to make the content browsable() by default,
-  # but that's probably too big of a change for shiny
-  remove_first_class(
-    func(..., id = id, selected = selected, header = header, footer = footer)
+  type <- match.arg(type)
+  tabset <- buildTabset(..., ulClass = paste0("nav nav-", type), id = id, selected = selected)
+
+  tags$div(
+    class = "tabbable",
+    !!!dropNulls(list(
+      tabset$navList,
+      header,
+      tabset$content,
+      footer
+    ))
   )
 }
 
@@ -730,18 +841,300 @@ navlistPanel <- function(...,
                          well = TRUE,
                          fluid = TRUE,
                          widths = c(4, 8)) {
-  remove_first_class(bslib::navs_pill_list(
-    ..., id = id, selected = selected,
-    header = header, footer = footer,
-    well = well, fluid = fluid, widths = widths
-  ))
+
+  if (!is.null(id))
+    selected <- restoreInput(id = id, default = selected)
+
+  tabset <- buildTabset(
+    ..., ulClass = "nav nav-pills nav-stacked",
+    textFilter = function(text) tags$li(class = "navbar-brand", text),
+    id = id, selected = selected
+  )
+
+  row <- if (fluid) fluidRow else fixedRow
+
+  row(
+    column(widths[[1]], class = if (well) "well", tabset$navList),
+    column(
+      widths[[2]],
+      !!!dropNulls(list(header, tabset$content, footer))
+    )
+  )
 }
 
-remove_first_class <- function(x) {
-  class(x) <- class(x)[-1]
+# Helpers to build tabsetPanels (& Co.) and their elements
+markTabAsSelected <- function(x) {
+  attr(x, "selected") <- TRUE
   x
 }
 
+isTabSelected <- function(x) {
+  isTRUE(attr(x, "selected", exact = TRUE))
+}
+
+containsSelectedTab <- function(tabs) {
+  any(vapply(tabs, isTabSelected, logical(1)))
+}
+
+findAndMarkSelectedTab <- function(tabs, selected, foundSelected) {
+  tabs <- lapply(tabs, function(x) {
+    if (foundSelected || is.character(x)) {
+      # Strings are not selectable items
+
+    } else if (isNavbarMenu(x)) {
+      # Recur for navbarMenus
+      res <- findAndMarkSelectedTab(x$tabs, selected, foundSelected)
+      x$tabs <- res$tabs
+      foundSelected <<- res$foundSelected
+
+    } else {
+      # Base case: regular tab item. If the `selected` argument is
+      # provided, check for a match in the existing tabs; else,
+      # mark first available item as selected
+      if (is.null(selected)) {
+        foundSelected <<- TRUE
+        x <- markTabAsSelected(x)
+      } else {
+        tabValue <- x$attribs$`data-value` %||% x$attribs$title
+        if (identical(selected, tabValue)) {
+          foundSelected <<- TRUE
+          x <- markTabAsSelected(x)
+        }
+      }
+    }
+    return(x)
+  })
+  return(list(tabs = tabs, foundSelected = foundSelected))
+}
+
+# Returns the icon object (or NULL if none), provided either a
+# tabPanel, OR the icon class
+getIcon <- function(tab = NULL, iconClass = NULL) {
+  if (!is.null(tab)) iconClass <- tab$attribs$`data-icon-class`
+  if (!is.null(iconClass)) {
+    if (grepl("fa-", iconClass, fixed = TRUE)) {
+      # for font-awesome we specify fixed-width
+      iconClass <- paste(iconClass, "fa-fw")
+    }
+    icon(name = NULL, class = iconClass)
+  } else NULL
+}
+
+# Text filter for navbarMenu's (plain text) separators
+navbarMenuTextFilter <- function(text) {
+  if (grepl("^\\-+$", text)) tags$li(class = "divider")
+  else tags$li(class = "dropdown-header", text)
+}
+
+# This function is called internally by navbarPage, tabsetPanel
+# and navlistPanel
+buildTabset <- function(..., ulClass, textFilter = NULL, id = NULL,
+                        selected = NULL, foundSelected = FALSE) {
+
+  tabs <- dropNulls(list2(...))
+  res <- findAndMarkSelectedTab(tabs, selected, foundSelected)
+  tabs <- res$tabs
+  foundSelected <- res$foundSelected
+
+  # add input class if we have an id
+  if (!is.null(id)) ulClass <- paste(ulClass, "shiny-tab-input")
+
+  if (anyNamed(tabs)) {
+    nms <- names(tabs)
+    nms <- nms[nzchar(nms)]
+    stop("Tabs should all be unnamed arguments, but some are named: ",
+      paste(nms, collapse = ", "))
+  }
+
+  tabsetId <- p_randomInt(1000, 10000)
+  tabs <- lapply(seq_len(length(tabs)), buildTabItem,
+            tabsetId = tabsetId, foundSelected = foundSelected,
+            tabs = tabs, textFilter = textFilter)
+
+  tabNavList <- tags$ul(class = ulClass, id = id,
+                  `data-tabsetid` = tabsetId, !!!lapply(tabs, "[[", "liTag"))
+
+  tabContent <- tags$div(class = "tab-content",
+                  `data-tabsetid` = tabsetId, !!!lapply(tabs, "[[", "divTag"))
+
+  list(navList = tabNavList, content = tabContent)
+}
+
+# Builds tabPanel/navbarMenu items (this function used to be
+# declared inside the buildTabset() function and it's been
+# refactored for clarity and reusability). Called internally
+# by buildTabset.
+buildTabItem <- function(index, tabsetId, foundSelected, tabs = NULL,
+                         divTag = NULL, textFilter = NULL) {
+
+  divTag <- divTag %||% tabs[[index]]
+
+  # Handles navlistPanel() headers and dropdown dividers
+  if (is.character(divTag) && !is.null(textFilter)) {
+    return(list(liTag = textFilter(divTag), divTag = NULL))
+  }
+
+  if (isNavbarMenu(divTag)) {
+    # tabPanelMenu item: build the child tabset
+    tabset <- buildTabset(
+      !!!divTag$tabs, ulClass = "dropdown-menu",
+      textFilter = navbarMenuTextFilter,
+      foundSelected = foundSelected
+    )
+    return(buildDropdown(divTag, tabset))
+  }
+
+  if (isTabPanel(divTag)) {
+    return(buildNavItem(divTag, tabsetId, index))
+  }
+
+  # The behavior is undefined at this point, so construct a condition message
+  msg <- paste0(
+    "Expected a collection `tabPanel()`s",
+    if (is.null(textFilter)) " and `navbarMenu()`.",
+    if (!is.null(textFilter)) ", `navbarMenu()`, and/or character strings.",
+    " Consider using `header` or `footer` if you wish to place content above (or below) every panel's contents"
+  )
+
+  # Luckily this case has never worked, so it's safe to throw here
+  # https://github.com/rstudio/shiny/issues/3313
+  if (!inherits(divTag, "shiny.tag"))  {
+    stop(msg, call. = FALSE)
+  }
+
+  # Unfortunately, this 'off-label' use case creates an 'empty' nav and includes
+  # the divTag content on every tab. There shouldn't be any reason to be relying on
+  # this behavior since we now have pre/post arguments, so throw a warning, but still
+  # support the use case since we don't make breaking changes
+  warning(msg, call. = FALSE)
+
+  return(buildNavItem(divTag, tabsetId, index))
+}
+
+buildNavItem <- function(divTag, tabsetId, index) {
+  id <- paste("tab", tabsetId, index, sep = "-")
+  title <- tagGetAttribute(divTag, "title")
+  value <- tagGetAttribute(divTag, "data-value")
+  icon <- getIcon(iconClass = tagGetAttribute(divTag, "data-icon-class"))
+  active <- isTabSelected(divTag)
+  divTag <- tagAppendAttributes(divTag, class = if (active) "active")
+  divTag$attribs$id <- id
+  divTag$attribs$title <- NULL
+  list(
+    divTag = divTag,
+    liTag = tagFunction(function() {
+      navItem <- if ("3" %in% getCurrentVersion()) bs3NavItem else bs4NavItem
+      navItem(id, title, value, icon, active)
+    })
+  )
+}
+
+buildDropdown <- function(divTag, tabset) {
+  title <- divTag$title
+  value <- divTag$menuName
+  icon <- getIcon(iconClass = divTag$iconClass)
+  active <- containsSelectedTab(divTag$tabs)
+  list(
+    # list of tab content divs from the child tabset
+    divTag = tabset$content$children,
+    liTag = tagFunction(function() {
+      if ("3" %in% getCurrentVersion()) {
+        bs3NavItemDropdown(title, value, icon, active, tabset$navList)
+      } else {
+        # In BS4, dropdown nav anchors can't be wrapped in a <li> tag
+        # and also need .nav-link replaced with .dropdown-item to be
+        # styled sensibly
+        items <- tabset$navList
+        items$children <- lapply(items$children, function(x) {
+          # x should be a tagFunction() due to the else block below
+          x <- if (inherits(x, "shiny.tag.function")) x() else x
+          # Replace <li class="nav-item"><a class="nav-link"></a></li>
+          #    with <a class="dropdown-item"></a>
+          if (tagHasClass(x, "nav-item")) {
+            x <- x$children[[1]]
+            x$attribs$class <- "dropdown-item"
+          }
+          x
+        })
+        bs4NavItemDropdown(title, value, icon, active, items)
+      }
+    })
+  )
+}
+
+
+bs3NavItemDropdown <- function(title, value, icon, active, items) {
+  tags$li(
+    class = "dropdown",
+    class = if (active) "active", # BS3
+    tags$a(
+      href = "#",
+      class = "dropdown-toggle",
+      `data-toggle` = "dropdown",
+      `data-value` = value,
+      icon,
+      title, tags$b(class = "caret")
+    ),
+    items
+  )
+}
+
+bs3NavItem <- function(id, title, value, icon, active) {
+  tags$li(
+    class = if (active) "active",
+    tags$a(
+      href = paste0("#", id),
+      `data-toggle` = "tab",
+      `data-value` = value,
+      icon,
+      title
+    )
+  )
+}
+
+bs4NavItemDropdown <- function(title, value, icon, active, items) {
+  tags$li(
+    class = "dropdown",
+    class = "nav-item",
+    tags$a(
+      href = "#",
+      class = "dropdown-toggle",
+      class = "nav-link",
+      class = if (active) "active",
+      `data-toggle` = "dropdown",
+      `data-value` = value,
+      icon,
+      title,
+      tags$b(class = "caret") # TODO: can be removed?
+    ),
+    items
+  )
+}
+
+bs4NavItem <- function(id, title, value, icon, active) {
+  tags$li(
+    class = "nav-item",
+    tags$a(
+      class = "nav-link",
+      class = if (active) "active",
+      href = paste0("#", id),
+      `data-toggle` = "tab",
+      `data-value` = value,
+      icon,
+      title
+    )
+  )
+}
+
+# TODO: something like this should exist in htmltools
+tagHasClass <- function(x, class) {
+  if (!inherits(x, "shiny.tag")) return(FALSE)
+  classes <- unlist(x$attribs[names(x$attribs) %in% "class"], use.names = FALSE)
+  if (!length(classes)) return(FALSE)
+  classes <- unlist(strsplit(classes, split = "\\s+"), use.names = FALSE)
+  isTRUE(class %in% classes)
+}
+
 #' Create a text output element
 #'
 #' Render a reactive output variable as text within an application page.
@@ -1107,17 +1500,11 @@ tableOutput <- function(outputId) {
 
 dataTableDependency <- list(
   htmlDependency(
-    "datatables",
-    "1.10.5",
-    src = "www/shared/datatables",
-    package = "shiny",
+    "datatables", "1.10.5", c(href = "shared/datatables"),
     script = "js/jquery.dataTables.min.js"
   ),
   htmlDependency(
-    "datatables-bootstrap",
-    "1.10.5",
-    src = "www/shared/datatables",
-    package = "shiny",
+    "datatables-bootstrap", "1.10.5", c(href = "shared/datatables"),
     stylesheet = c("css/dataTables.bootstrap.css", "css/dataTables.extra.css"),
     script = "js/dataTables.bootstrap.js"
   )
@@ -1157,7 +1544,7 @@ dataTableOutput <- function(outputId) {
 htmlOutput <- function(outputId, inline = FALSE,
   container = if (inline) span else div, ...)
 {
-  if (any_unnamed(list(...))) {
+  if (anyUnnamed(list(...))) {
     warning("Unnamed elements in ... will be replaced with dynamic UI.")
   }
   container(id = outputId, class="shiny-html-output", ...)
@@ -1236,31 +1623,32 @@ downloadLink <- function(outputId, label="Download", class=NULL, ...) {
 #' Create an icon
 #'
 #' Create an icon for use within a page. Icons can appear on their own, inside
-#' of a button, and/or used with [tabPanel()] and [navbarMenu()].
+#' of a button, or as an icon for a [tabPanel()] within a
+#' [navbarPage()].
 #'
-#' @param name The name of the icon. A name from either [Font
-#'   Awesome](https://fontawesome.com/) (when `lib="font-awesome"`) or
-#'   [Bootstrap
-#'   Glyphicons](https://getbootstrap.com/docs/3.3/components/#glyphicons) (when
-#'   `lib="glyphicon"`) may be provided. Note that the `"fa-"` and
-#'   `"glyphicon-"` prefixes should not appear in name (i.e., the
-#'   `"fa-calendar"` icon should be referred to as `"calendar"`). A `name` of
-#'   `NULL` may also be provided to get a raw `<i>` tag with no library attached
-#'   to it.
-#' @param class Additional classes to customize the style of an icon (see the
+#' @param name Name of icon. Icons are drawn from the
+#'   [Font Awesome Free](https://fontawesome.com/) (currently icons from
+#'   the v5.13.0 set are supported with the v4 naming convention) and
+#'   [Glyphicons](https://getbootstrap.com/components/#glyphicons)
+#'   libraries. Note that the "fa-" and "glyphicon-" prefixes should not be used
+#'   in icon names (i.e. the "fa-calendar" icon should be referred to as
+#'   "calendar")
+#' @param class Additional classes to customize the style of the icon (see the
 #'   [usage examples](https://fontawesome.com/how-to-use) for details on
 #'   supported styles).
-#' @param lib The icon library to use. Either `"font-awesome"` or `"glyphicon"`.
-#' @param ... Arguments passed to the `<i>` tag of [htmltools::tags].
+#' @param lib Icon library to use ("font-awesome" or "glyphicon")
+#' @param ... Arguments passed to the `<i>` tag of [htmltools::tags]
 #'
-#' @return An `<i>` (icon) HTML tag.
+#' @return An icon element
+#'
+#' @seealso For lists of available icons, see
+#'   [https://fontawesome.com/icons](https://fontawesome.com/icons) and
+#'   [https://getbootstrap.com/components/#glyphicons](https://getbootstrap.com/components/#glyphicons).
 #'
-#' @seealso For lists of available icons, see <https://fontawesome.com/icons>
-#'   and <https://getbootstrap.com/docs/3.3/components/#glyphicons>
 #'
 #' @examples
 #' # add an icon to a submit button
-#' submitButton("Update View", icon = icon("redo"))
+#' submitButton("Update View", icon = icon("refresh"))
 #'
 #' navbarPage("App Title",
 #'   tabPanel("Plot", icon = icon("bar-chart-o")),
@@ -1269,26 +1657,48 @@ downloadLink <- function(outputId, label="Download", class=NULL, ...) {
 #' )
 #' @export
 icon <- function(name, class = NULL, lib = "font-awesome", ...) {
+  prefixes <- list(
+    "font-awesome" = "fa",
+    "glyphicon" = "glyphicon"
+  )
+  prefix <- prefixes[[lib]]
 
-  # A NULL name allows for a generic <i> not tied to any library
-  if (is.null(name)) {
-    lib <- "none"
+  # determine stylesheet
+  if (is.null(prefix)) {
+    stop("Unknown font library '", lib, "' specified. Must be one of ",
+         paste0('"', names(prefixes), '"', collapse = ", "))
   }
 
-  switch(
-    lib %||% "",
-    "none" = iconTag(name, class = class, ...),
-    "font-awesome" = fontawesome::fa_i(name = name, class = class, ...),
-    "glyphicon" = iconTag(
-      name, class = "glyphicon", class = paste0("glyphicon-", name),
-      class = class, ...
-    ),
-    stop("Unknown icon library: ", lib, ". See `?icon` for supported libraries.")
-  )
+  # build the icon class (allow name to be null so that other functions
+  # e.g. buildTabset can pass an explicit class value)
+  iconClass <- ""
+  if (!is.null(name)) {
+    prefix_class <- prefix
+    if (prefix_class == "fa" && name %in% font_awesome_brands) {
+      prefix_class <- "fab"
+    }
+    iconClass <- paste0(prefix_class, " ", prefix, "-", name)
+  }
+  if (!is.null(class))
+    iconClass <- paste(iconClass, class)
+
+  iconTag <- tags$i(class = iconClass, role = "presentation", `aria-label` = paste(name, "icon"), ...)
+
+  # font-awesome needs an additional dependency (glyphicon is in bootstrap)
+  if (lib == "font-awesome") {
+    htmlDependencies(iconTag) <- htmlDependency(
+      "font-awesome", "5.13.0", "www/shared/fontawesome", package = "shiny",
+      stylesheet = c(
+        "css/all.min.css",
+        "css/v4-shims.min.css"
+      )
+    )
+  }
+
+  htmltools::browsable(iconTag)
 }
 
-iconTag <- function(name, ...) {
-  htmltools::browsable(
-    tags$i(..., role = "presentation", `aria-label` = paste(name, "icon"))
-  )
+# Helper funtion to extract the class from an icon
+iconClass <- function(icon) {
+  if (!is.null(icon)) icon$attribs$class
 }

R/conditions.R

@@ -228,9 +228,7 @@ withLogErrors <- function(expr,
       if (promises::is.promise(result)) {
         result <- promises::catch(result, function(cond) {
           # Don't print shiny.silent.error (i.e. validation errors)
-          if (cnd_inherits(cond, "shiny.silent.error")) {
-            return()
-          }
+          if (inherits(cond, "shiny.silent.error")) return()
           if (isTRUE(getOption("show.error.messages"))) {
             printError(cond, full = full, offset = offset)
           }
@@ -241,7 +239,7 @@ withLogErrors <- function(expr,
     },
     error = function(cond) {
       # Don't print shiny.silent.error (i.e. validation errors)
-      if (cnd_inherits(cond, "shiny.silent.error")) return()
+      if (inherits(cond, "shiny.silent.error")) return()
       if (isTRUE(getOption("show.error.messages"))) {
         printError(cond, full = full, offset = offset)
       }
@@ -363,6 +361,82 @@ printStackTrace <- function(cond,
   invisible()
 }
 
+#' @details `extractStackTrace` takes a list of calls (e.g. as returned
+#'   from `conditionStackTrace(cond)`) and returns a data frame with one
+#'   row for each stack frame and the columns `num` (stack frame number),
+#'   `call` (a function name or similar), and `loc` (source file path
+#'   and line number, if available). It was deprecated after shiny 1.0.5 because
+#'   it doesn't support deep stack traces.
+#' @rdname stacktrace
+#' @export
+extractStackTrace <- function(calls,
+  full = get_devmode_option("shiny.fullstacktrace", FALSE),
+  offset = getOption("shiny.stacktraceoffset", TRUE)) {
+
+  shinyDeprecated(
+    "1.0.5", "extractStackTrace()",
+    details = "Please contact the Shiny team if you were using this functionality."
+  )
+
+  srcrefs <- getSrcRefs(calls)
+  if (offset) {
+    # Offset calls vs. srcrefs by 1 to make them more intuitive.
+    # E.g. for "foo [bar.R:10]", line 10 of bar.R will be part of
+    # the definition of foo().
+    srcrefs <- c(utils::tail(srcrefs, -1), list(NULL))
+  }
+  calls <- setSrcRefs(calls, srcrefs)
+
+  callnames <- getCallNames(calls)
+
+  # Hide and show parts of the callstack based on ..stacktrace(on|off)..
+  if (full) {
+    toShow <- rep.int(TRUE, length(calls))
+  } else {
+    # Remove stop(), .handleSimpleError(), and h() calls from the end of
+    # the calls--they don't add any helpful information. But only remove
+    # the last *contiguous* block of them, and then, only if they are the
+    # last thing in the calls list.
+    hideable <- callnames %in% c("stop", ".handleSimpleError", "h")
+    # What's the last that *didn't* match stop/.handleSimpleError/h?
+    lastGoodCall <- max(which(!hideable))
+    toRemove <- length(calls) - lastGoodCall
+    # But don't remove more than 5 levels--that's an indication we might
+    # have gotten it wrong, I guess
+    if (toRemove > 0 && toRemove < 5) {
+      calls <- utils::head(calls, -toRemove)
+      callnames <- utils::head(callnames, -toRemove)
+    }
+
+    # This uses a ref-counting scheme. It might make sense to switch this
+    # to a toggling scheme, so the most recent ..stacktrace(on|off)..
+    # directive wins, regardless of what came before it.
+    # Also explicitly remove ..stacktraceon.. because it can appear with
+    # score > 0 but still should never be shown.
+    score <- rep.int(0, length(callnames))
+    score[callnames == "..stacktraceoff.."] <- -1
+    score[callnames == "..stacktraceon.."] <- 1
+    toShow <- (1 + cumsum(score)) > 0 & !(callnames %in% c("..stacktraceon..", "..stacktraceoff..", "..stacktracefloor.."))
+
+    # doTryCatch, tryCatchOne, and tryCatchList are not informative--they're
+    # just internals for tryCatch
+    toShow <- toShow & !(callnames %in% c("doTryCatch", "tryCatchOne", "tryCatchList"))
+  }
+  calls <- calls[toShow]
+
+  calls <- rev(calls) # Show in traceback() order
+  index <- rev(which(toShow))
+  width <- floor(log10(max(index))) + 1
+
+  data.frame(
+    num = index,
+    call = getCallNames(calls),
+    loc = getLocs(calls),
+    category = getCallCategories(calls),
+    stringsAsFactors = FALSE
+  )
+}
+
 stripStackTraces <- function(stackTraces, values = FALSE) {
   score <- 1L  # >=1: show, <=0: hide
   lapply(seq_along(stackTraces), function(i) {
@@ -421,17 +495,8 @@ pruneStackTrace <- function(parents) {
   # Loop over the parent indices. Anything that is not parented by current_node
   # (a.k.a. last-known-good node), or is a dupe, can be discarded. Anything that
   # is kept becomes the new current_node.
-  #
-  # jcheng 2022-03-18: Two more reasons a node can be kept:
-  #   1. parent is 0
-  #   2. parent is i
-  # Not sure why either of these situations happen, but they're common when
-  # interacting with rlang/dplyr errors. See issue rstudio/shiny#3250 for repro
-  # cases.
   include <- vapply(seq_along(parents), function(i) {
-    if ((!is_dupe[[i]] && parents[[i]] == current_node) ||
-        parents[[i]] == 0 ||
-        parents[[i]] == i) {
+    if (!is_dupe[[i]] && parents[[i]] == current_node) {
       current_node <<- i
       TRUE
     } else {
@@ -466,12 +531,49 @@ offsetSrcrefs <- function(calls, offset = TRUE) {
     # E.g. for "foo [bar.R:10]", line 10 of bar.R will be part of
     # the definition of foo().
     srcrefs <- c(utils::tail(srcrefs, -1), list(NULL))
+
     calls <- setSrcRefs(calls, srcrefs)
   }
 
   calls
 }
 
+#' @details `formatStackTrace` is similar to `extractStackTrace`, but
+#'   it returns a preformatted character vector instead of a data frame. It was
+#'   deprecated after shiny 1.0.5 because it doesn't support deep stack traces.
+#' @param indent A string to prefix every line of the stack trace.
+#' @rdname stacktrace
+#' @export
+formatStackTrace <- function(calls, indent = "    ",
+  full = get_devmode_option("shiny.fullstacktrace", FALSE),
+  offset = getOption("shiny.stacktraceoffset", TRUE)) {
+
+  shinyDeprecated(
+    "1.0.5", "formatStackTrace()",
+    details = "Please contact the Shiny team if you were using this functionality."
+  )
+
+  st <- extractStackTrace(calls, full = full, offset = offset)
+  if (nrow(st) == 0) {
+    return(character(0))
+  }
+
+  width <- floor(log10(max(st$num))) + 1
+  paste0(
+    indent,
+    formatC(st$num, width = width),
+    ": ",
+    mapply(paste0(st$call, st$loc), st$category, FUN = function(name, category) {
+      if (category == "pkg")
+        crayon::silver(name)
+      else if (category == "user")
+        crayon::blue$bold(name)
+      else
+        crayon::white(name)
+    })
+  )
+}
+
 getSrcRefs <- function(calls) {
   lapply(calls, function(call) {
     attr(call, "srcref", exact = TRUE)

R/deprecated.R

@@ -9,19 +9,13 @@
 #' @param details Additional information to be added after a new line to the displayed message
 #' @keywords internal
 shinyDeprecated <- function(
-  version,
-  what,
-  with = NULL,
-  details = NULL,
-  type = c("deprecated", "superseded")
+  version, what, with = NULL, details = NULL
 ) {
   if (is_false(getOption("shiny.deprecation.messages"))) {
     return(invisible())
   }
 
-  type <- match.arg(type)
-
-  msg <- paste0("`", what, "` is ", type, " as of shiny ", version, ".")
+  msg <- paste0("`", what, "` is deprecated as of shiny ", version, ".")
   if (!is.null(with)) {
     msg <- paste0(msg, "\n", "Please use `", with, "` instead.")
   }
@@ -38,20 +32,13 @@ deprecatedEnvQuotedMessage <- function() {
   if (!in_devmode()) return(invisible())
   if (is_false(getOption("shiny.deprecation.messages"))) return(invisible())
 
-  # Capture calling function
-  grandparent_call <- sys.call(-2)
-  # Turn language into user friendly string
-  grandparent_txt <- paste0(utils::capture.output({grandparent_call}), collapse = "\n")
-
+  # manually
   msg <- paste0(
-    "The `env` and `quoted` arguments are deprecated as of shiny 1.7.0.",
+    "The `env` and `quoted` arguments are deprecated as of shiny 1.6.0.",
     " Please use quosures from `rlang` instead.\n",
-    "See <https://github.com/rstudio/shiny/issues/3108> for more information.\n",
-    "Function call:\n",
-    grandparent_txt
+    "See <https://github.com/rstudio/shiny/issues/3108> for more information."
   )
-  # Call less often as users do not have much control over this warning
-  rlang::inform(message = msg, .frequency = "regularly", .frequency_id = msg, .file = stderr())
+  rlang::inform(message = msg, .frequency = "always", .frequency_id = msg, .file = stderr())
 }
 
 
@@ -73,7 +60,7 @@ diskCache <- function(
   logfile = NULL
 ) {
   shinyDeprecated("1.6.0", "diskCache()", "cachem::cache_disk()")
-  if (is_present(exec_missing)) {
+  if (lifecycle::is_present(exec_missing)) {
     shinyDeprecated("1.6.0", "diskCache(exec_missing =)")
   }
 
@@ -106,7 +93,7 @@ memoryCache <- function(
   logfile = NULL)
 {
   shinyDeprecated("1.6.0", "diskCache()", "cachem::cache_mem()")
-  if (is_present(exec_missing)) {
+  if (lifecycle::is_present(exec_missing)) {
     shinyDeprecated("1.6.0", "diskCache(exec_missing =)")
   }
 

R/devmode.R

@@ -1,6 +1,6 @@
 #' Shiny Developer Mode
 #'
-#' @description `r lifecycle::badge("experimental")`
+#' @description \lifecycle{experimental}
 #'
 #'   Developer Mode enables a number of [options()] to make a developer's life
 #'   easier, like enabling non-minified JS and printing messages about
@@ -233,7 +233,6 @@ registered_devmode_options <- Map$new()
 #'   devmode_default = FALSE
 #' )
 #' ```
-#'
 #' @param name Name of option to look for in `options()`
 #' @param default Default value to return if `in_devmode()` returns
 #'   `TRUE` and the specified option is not set in [`options()`].
@@ -244,7 +243,6 @@ registered_devmode_options <- Map$new()
 #'   `TRUE` and the specified option is not set in [`options()`]. For
 #'   `get_devmode_option()`, if `devmode_default` is missing, the
 #'   registered `devmode_default` value will be used.
-#' @export
 #' @examples
 #' # Ex: Within shiny, we register the option "shiny.minified"
 #' #   to default to `FALSE` when in Dev Mode

R/font-awesome.R

@@ -0,0 +1,461 @@
+# Generated by tools/updateFontAwesome.R: do not edit by hand
+font_awesome_brands <- c(
+  "500px",
+  "accessible-icon",
+  "accusoft",
+  "acquisitions-incorporated",
+  "adn",
+  "adversal",
+  "affiliatetheme",
+  "airbnb",
+  "algolia",
+  "alipay",
+  "amazon",
+  "amazon-pay",
+  "amilia",
+  "android",
+  "angellist",
+  "angrycreative",
+  "angular",
+  "app-store",
+  "app-store-ios",
+  "apper",
+  "apple",
+  "apple-pay",
+  "artstation",
+  "asymmetrik",
+  "atlassian",
+  "audible",
+  "autoprefixer",
+  "avianex",
+  "aviato",
+  "aws",
+  "bandcamp",
+  "battle-net",
+  "behance",
+  "behance-square",
+  "bimobject",
+  "bitbucket",
+  "bitcoin",
+  "bity",
+  "black-tie",
+  "blackberry",
+  "blogger",
+  "blogger-b",
+  "bluetooth",
+  "bluetooth-b",
+  "bootstrap",
+  "btc",
+  "buffer",
+  "buromobelexperte",
+  "buy-n-large",
+  "buysellads",
+  "canadian-maple-leaf",
+  "cc-amazon-pay",
+  "cc-amex",
+  "cc-apple-pay",
+  "cc-diners-club",
+  "cc-discover",
+  "cc-jcb",
+  "cc-mastercard",
+  "cc-paypal",
+  "cc-stripe",
+  "cc-visa",
+  "centercode",
+  "centos",
+  "chrome",
+  "chromecast",
+  "cloudflare",
+  "cloudscale",
+  "cloudsmith",
+  "cloudversify",
+  "codepen",
+  "codiepie",
+  "confluence",
+  "connectdevelop",
+  "contao",
+  "cotton-bureau",
+  "cpanel",
+  "creative-commons",
+  "creative-commons-by",
+  "creative-commons-nc",
+  "creative-commons-nc-eu",
+  "creative-commons-nc-jp",
+  "creative-commons-nd",
+  "creative-commons-pd",
+  "creative-commons-pd-alt",
+  "creative-commons-remix",
+  "creative-commons-sa",
+  "creative-commons-sampling",
+  "creative-commons-sampling-plus",
+  "creative-commons-share",
+  "creative-commons-zero",
+  "critical-role",
+  "css3",
+  "css3-alt",
+  "cuttlefish",
+  "d-and-d",
+  "d-and-d-beyond",
+  "dailymotion",
+  "dashcube",
+  "deezer",
+  "delicious",
+  "deploydog",
+  "deskpro",
+  "dev",
+  "deviantart",
+  "dhl",
+  "diaspora",
+  "digg",
+  "digital-ocean",
+  "discord",
+  "discourse",
+  "dochub",
+  "docker",
+  "draft2digital",
+  "dribbble",
+  "dribbble-square",
+  "dropbox",
+  "drupal",
+  "dyalog",
+  "earlybirds",
+  "ebay",
+  "edge",
+  "edge-legacy",
+  "elementor",
+  "ello",
+  "ember",
+  "empire",
+  "envira",
+  "erlang",
+  "ethereum",
+  "etsy",
+  "evernote",
+  "expeditedssl",
+  "facebook",
+  "facebook-f",
+  "facebook-messenger",
+  "facebook-square",
+  "fantasy-flight-games",
+  "fedex",
+  "fedora",
+  "figma",
+  "firefox",
+  "firefox-browser",
+  "first-order",
+  "first-order-alt",
+  "firstdraft",
+  "flickr",
+  "flipboard",
+  "fly",
+  "font-awesome",
+  "font-awesome-alt",
+  "font-awesome-flag",
+  "font-awesome-logo-full",
+  "fonticons",
+  "fonticons-fi",
+  "fort-awesome",
+  "fort-awesome-alt",
+  "forumbee",
+  "foursquare",
+  "free-code-camp",
+  "freebsd",
+  "fulcrum",
+  "galactic-republic",
+  "galactic-senate",
+  "get-pocket",
+  "gg",
+  "gg-circle",
+  "git",
+  "git-alt",
+  "git-square",
+  "github",
+  "github-alt",
+  "github-square",
+  "gitkraken",
+  "gitlab",
+  "gitter",
+  "glide",
+  "glide-g",
+  "gofore",
+  "goodreads",
+  "goodreads-g",
+  "google",
+  "google-drive",
+  "google-pay",
+  "google-play",
+  "google-plus",
+  "google-plus-g",
+  "google-plus-square",
+  "google-wallet",
+  "gratipay",
+  "grav",
+  "gripfire",
+  "grunt",
+  "guilded",
+  "gulp",
+  "hacker-news",
+  "hacker-news-square",
+  "hackerrank",
+  "hips",
+  "hire-a-helper",
+  "hive",
+  "hooli",
+  "hornbill",
+  "hotjar",
+  "houzz",
+  "html5",
+  "hubspot",
+  "ideal",
+  "imdb",
+  "innosoft",
+  "instagram",
+  "instagram-square",
+  "instalod",
+  "intercom",
+  "internet-explorer",
+  "invision",
+  "ioxhost",
+  "itch-io",
+  "itunes",
+  "itunes-note",
+  "java",
+  "jedi-order",
+  "jenkins",
+  "jira",
+  "joget",
+  "joomla",
+  "js",
+  "js-square",
+  "jsfiddle",
+  "kaggle",
+  "keybase",
+  "keycdn",
+  "kickstarter",
+  "kickstarter-k",
+  "korvue",
+  "laravel",
+  "lastfm",
+  "lastfm-square",
+  "leanpub",
+  "less",
+  "line",
+  "linkedin",
+  "linkedin-in",
+  "linode",
+  "linux",
+  "lyft",
+  "magento",
+  "mailchimp",
+  "mandalorian",
+  "markdown",
+  "mastodon",
+  "maxcdn",
+  "mdb",
+  "medapps",
+  "medium",
+  "medium-m",
+  "medrt",
+  "meetup",
+  "megaport",
+  "mendeley",
+  "microblog",
+  "microsoft",
+  "mix",
+  "mixcloud",
+  "mixer",
+  "mizuni",
+  "modx",
+  "monero",
+  "napster",
+  "neos",
+  "nimblr",
+  "node",
+  "node-js",
+  "npm",
+  "ns8",
+  "nutritionix",
+  "octopus-deploy",
+  "odnoklassniki",
+  "odnoklassniki-square",
+  "old-republic",
+  "opencart",
+  "openid",
+  "opera",
+  "optin-monster",
+  "orcid",
+  "osi",
+  "page4",
+  "pagelines",
+  "palfed",
+  "patreon",
+  "paypal",
+  "penny-arcade",
+  "perbyte",
+  "periscope",
+  "phabricator",
+  "phoenix-framework",
+  "phoenix-squadron",
+  "php",
+  "pied-piper",
+  "pied-piper-alt",
+  "pied-piper-hat",
+  "pied-piper-pp",
+  "pied-piper-square",
+  "pinterest",
+  "pinterest-p",
+  "pinterest-square",
+  "playstation",
+  "product-hunt",
+  "pushed",
+  "python",
+  "qq",
+  "quinscape",
+  "quora",
+  "r-project",
+  "raspberry-pi",
+  "ravelry",
+  "react",
+  "reacteurope",
+  "readme",
+  "rebel",
+  "red-river",
+  "reddit",
+  "reddit-alien",
+  "reddit-square",
+  "redhat",
+  "renren",
+  "replyd",
+  "researchgate",
+  "resolving",
+  "rev",
+  "rocketchat",
+  "rockrms",
+  "rust",
+  "safari",
+  "salesforce",
+  "sass",
+  "schlix",
+  "scribd",
+  "searchengin",
+  "sellcast",
+  "sellsy",
+  "servicestack",
+  "shirtsinbulk",
+  "shopify",
+  "shopware",
+  "simplybuilt",
+  "sistrix",
+  "sith",
+  "sketch",
+  "skyatlas",
+  "skype",
+  "slack",
+  "slack-hash",
+  "slideshare",
+  "snapchat",
+  "snapchat-ghost",
+  "snapchat-square",
+  "soundcloud",
+  "sourcetree",
+  "speakap",
+  "speaker-deck",
+  "spotify",
+  "squarespace",
+  "stack-exchange",
+  "stack-overflow",
+  "stackpath",
+  "staylinked",
+  "steam",
+  "steam-square",
+  "steam-symbol",
+  "sticker-mule",
+  "strava",
+  "stripe",
+  "stripe-s",
+  "studiovinari",
+  "stumbleupon",
+  "stumbleupon-circle",
+  "superpowers",
+  "supple",
+  "suse",
+  "swift",
+  "symfony",
+  "teamspeak",
+  "telegram",
+  "telegram-plane",
+  "tencent-weibo",
+  "the-red-yeti",
+  "themeco",
+  "themeisle",
+  "think-peaks",
+  "tiktok",
+  "trade-federation",
+  "trello",
+  "tripadvisor",
+  "tumblr",
+  "tumblr-square",
+  "twitch",
+  "twitter",
+  "twitter-square",
+  "typo3",
+  "uber",
+  "ubuntu",
+  "uikit",
+  "umbraco",
+  "uncharted",
+  "uniregistry",
+  "unity",
+  "unsplash",
+  "untappd",
+  "ups",
+  "usb",
+  "usps",
+  "ussunnah",
+  "vaadin",
+  "viacoin",
+  "viadeo",
+  "viadeo-square",
+  "viber",
+  "vimeo",
+  "vimeo-square",
+  "vimeo-v",
+  "vine",
+  "vk",
+  "vnv",
+  "vuejs",
+  "watchman-monitoring",
+  "waze",
+  "weebly",
+  "weibo",
+  "weixin",
+  "whatsapp",
+  "whatsapp-square",
+  "whmcs",
+  "wikipedia-w",
+  "windows",
+  "wix",
+  "wizards-of-the-coast",
+  "wodu",
+  "wolf-pack-battalion",
+  "wordpress",
+  "wordpress-simple",
+  "wpbeginner",
+  "wpexplorer",
+  "wpforms",
+  "wpressr",
+  "xbox",
+  "xing",
+  "xing-square",
+  "y-combinator",
+  "yahoo",
+  "yammer",
+  "yandex",
+  "yandex-international",
+  "yarn",
+  "yelp",
+  "yoast",
+  "youtube",
+  "youtube-square",
+  "zhihu"
+)

R/globals.R

@@ -1,6 +1,55 @@
 # A scope where we can put mutable global state
 .globals <- new.env(parent = emptyenv())
 
+register_s3_method <- function(pkg, generic, class, fun = NULL) {
+  stopifnot(is.character(pkg), length(pkg) == 1)
+  stopifnot(is.character(generic), length(generic) == 1)
+  stopifnot(is.character(class), length(class) == 1)
+
+  if (is.null(fun)) {
+    fun <- get(paste0(generic, ".", class), envir = parent.frame())
+  } else {
+    stopifnot(is.function(fun))
+  }
+
+  if (pkg %in% loadedNamespaces()) {
+    registerS3method(generic, class, fun, envir = asNamespace(pkg))
+  }
+
+  # Always register hook in case pkg is loaded at some
+  # point the future (or, potentially, but less commonly,
+  # unloaded & reloaded)
+  setHook(
+    packageEvent(pkg, "onLoad"),
+    function(...) {
+      registerS3method(generic, class, fun, envir = asNamespace(pkg))
+    }
+  )
+}
+
+register_upgrade_message <- function(pkg, version) {
+
+  msg <- sprintf(
+    "This version of Shiny is designed to work with '%s' >= %s.
+    Please upgrade via install.packages('%s').",
+    pkg, version, pkg
+  )
+
+  if (pkg %in% loadedNamespaces() && !is_available(pkg, version)) {
+    packageStartupMessage(msg)
+  }
+
+  # Always register hook in case pkg is loaded at some
+  # point the future (or, potentially, but less commonly,
+  # unloaded & reloaded)
+  setHook(
+    packageEvent(pkg, "onLoad"),
+    function(...) {
+      if (!is_available(pkg, version)) packageStartupMessage(msg)
+    }
+  )
+}
+
 .onLoad <- function(libname, pkgname) {
   # R's lazy-loading package scheme causes the private seed to be cached in the
   # package itself, making our PRNG completely deterministic. This line resets
@@ -13,9 +62,9 @@
 
   # Make sure these methods are available to knitr if shiny is loaded but not
   # attached.
-  s3_register("knitr::knit_print", "reactive")
-  s3_register("knitr::knit_print", "shiny.appobj")
-  s3_register("knitr::knit_print", "shiny.render.function")
+  register_s3_method("knitr", "knit_print", "reactive")
+  register_s3_method("knitr", "knit_print", "shiny.appobj")
+  register_s3_method("knitr", "knit_print", "shiny.render.function")
 
   # Shiny 1.4.0 bumps jQuery 1.x to 3.x, which caused a problem
   # with static-rendering of htmlwidgets, and htmlwidgets 1.5

R/graph.R

@@ -4,7 +4,7 @@
 # @param version The version of the package
 check_suggested <- function(package, version = NULL) {
 
-  if (is_installed(package, version)) {
+  if (is_available(package, version)) {
     return()
   }
 
@@ -94,7 +94,14 @@ reactlogShow <- function(time = TRUE) {
   check_reactlog()
   reactlog::reactlog_show(reactlog(), time = time)
 }
+#' @describeIn reactlog This function is deprecated. You should use [reactlogShow()]
+#' @export
+# legacy purposes
+showReactLog <- function(time = TRUE) {
+  shinyDeprecated("1.2.0", "showReactLog()", "reactlogShow()")
 
+  reactlogShow(time = time)
+}
 #' @describeIn reactlog Resets the entire reactlog stack.  Useful for debugging and removing all prior reactive history.
 #' @export
 reactlogReset <- function() {
@@ -115,28 +122,22 @@ check_reactlog <- function() {
 }
 # read reactlog version from description file
 # prevents version mismatch in code and description file
-reactlog_version <- local({
-  version <- NULL
-  function() {
-    if (!is.null(version)) return(version)
+reactlog_version <- function() {
+  desc <- read.dcf(system.file("DESCRIPTION", package = "shiny", mustWork = TRUE))
+  suggests <- desc[1,"Suggests"][[1]]
+  suggests_pkgs <- strsplit(suggests, "\n")[[1]]
 
-    desc <- read.dcf(system_file("DESCRIPTION", package = "shiny"))
-    suggests <- desc[1,"Suggests"][[1]]
-    suggests_pkgs <- strsplit(suggests, "\n")[[1]]
-
-    reactlog_info <- suggests_pkgs[grepl("reactlog", suggests_pkgs)]
-    if (length(reactlog_info) == 0) {
-      stop("reactlog can not be found in shiny DESCRIPTION file")
-    }
-
-    reactlog_info <- sub("^[^\\(]*\\(", "", reactlog_info)
-    reactlog_info <- sub("\\)[^\\)]*$", "", reactlog_info)
-    reactlog_info <- sub("^[>= ]*", "", reactlog_info)
-
-    version <<- package_version(reactlog_info)
-    version
+  reactlog_info <- suggests_pkgs[grepl("reactlog", suggests_pkgs)]
+  if (length(reactlog_info) == 0) {
+    stop("reactlog can not be found in shiny DESCRIPTION file")
   }
-})
+
+  reactlog_info <- sub("^[^\\(]*\\(", "", reactlog_info)
+  reactlog_info <- sub("\\)[^\\)]*$", "", reactlog_info)
+  reactlog_info <- sub("^[>= ]*", "", reactlog_info)
+
+  package_version(reactlog_info)
+}
 
 
 RLog <- R6Class(
@@ -518,7 +519,7 @@ MessageLogger = R6Class(
       return(txt)
     },
     singleLine = function(txt) {
-      gsub("([^\\])\\n", "\\1\\\\n", txt)
+      gsub("[^\\]\\n", "\\\\n", txt)
     },
     valueStr = function(valueStr) {
       paste0(

R/html-deps.R

@@ -40,18 +40,21 @@ createWebDependency <- function(dependency, scrubFile = TRUE) {
 
 # Given a Shiny tag object, process singletons and dependencies. Returns a list
 # with rendered HTML and dependency objects.
-# This implementation is very similar to renderTags(), but ignores
-# <head> handling (it should only be used after the user session has started)
 processDeps <- function(tags, session) {
-  tags <- utils::getFromNamespace("tagify", "htmltools")(tags)
-  ui <- takeSingletons(tags, session$singletons, desingleton = FALSE)$ui
+  ui <- takeSingletons(tags, session$singletons, desingleton=FALSE)$ui
   ui <- surroundSingletons(ui)
   dependencies <- lapply(
-    resolveDependencies(findDependencies(ui, tagify = FALSE)),
+    resolveDependencies(findDependencies(ui)),
     createWebDependency
   )
   names(dependencies) <- NULL
 
+  # If ui is a tagFunction() (e.g., insertTab() et al),
+  # then doRenderTags() won't work...
+  if (inherits(ui, "shiny.tag.function")) {
+    ui <- renderTags(ui)$html
+  }
+
   list(
     html = doRenderTags(ui),
     deps = dependencies

R/image-interact-opts.R

@@ -20,6 +20,7 @@
 #'   `delay` milliseconds before sending an event.
 #' @seealso [brushOpts()] for brushing events.
 #' @export
+#' @keywords internal
 clickOpts <- function(id, clip = TRUE) {
   if (is.null(id))
     stop("id must not be NULL")

R/image-interact.R

@@ -267,7 +267,6 @@ nearPoints <- function(df, coordinfo, xvar = NULL, yvar = NULL,
     stop("nearPoints: `yvar` ('", yvar ,"')  not in names of input")
 
   # Extract data values from the data frame
-  coordinfo <- fortifyDiscreteLimits(coordinfo)
   x <- asNumber(df[[xvar]], coordinfo$domain$discrete_limits$x)
   y <- asNumber(df[[yvar]], coordinfo$domain$discrete_limits$y)
 
@@ -393,7 +392,6 @@ nearPoints <- function(df, coordinfo, xvar = NULL, yvar = NULL,
 # an input brush
 within_brush <- function(vals, brush, var = "x") {
   var <- match.arg(var, c("x", "y"))
-  brush <- fortifyDiscreteLimits(brush)
   vals <- asNumber(vals, brush$domain$discrete_limits[[var]])
   # It's possible for a non-missing data values to not
   # map to the axis limits, for example:
@@ -416,43 +414,11 @@ asNumber <- function(x, levels = NULL) {
   as.numeric(x)
 }
 
-# Ensure the discrete limits/levels of a coordmap received
-# from the client matches the data structure sent the client.
-#
-# When we construct the coordmap (in getGgplotCoordmap()),
-# we save a character vector which may contain missing values
-# (e.g., c("a", "b", NA)). When that same character is received
-# from the client, it runs through decodeMessage() which sets
-# simplifyVector=FALSE, which means NA are replaced by NULL
-# (because jsonlite::fromJSON('["a", "b", null]') -> list("a", "b", NULL))
-#
-# Thankfully, it doesn't seem like it's meaningful for limits to
-# contains a NULL in the 1st place, so we simply treat NULL like NA.
-# For more context, https://github.com/rstudio/shiny/issues/2666
-fortifyDiscreteLimits <- function(coord) {
-  # Note that discrete_limits$x/y are populated iff
-  # x/y are discrete mappings
-  coord$domain$discrete_limits <- lapply(
-    coord$domain$discrete_limits,
-    function(var) {
-      # if there is an 'explicit' NULL, then the limits are NA
-      if (is.null(var)) return(NA)
-      vapply(var, function(x) {
-        if (is.null(x) || isTRUE(is.na(x))) NA_character_ else x
-      }, character(1))
-    }
-  )
-  coord
-}
-
-
-
 # Given a panelvar value and a vector x, return logical vector indicating which
 # items match the panelvar value. Because the panelvar value is always a
 # string but the vector could be numeric, it might be necessary to coerce the
 # panelvar to a number before comparing to the vector.
 panelMatch <- function(search_value, x) {
-  if (is.null(search_value)) return(is.na(x))
   if (is.numeric(x)) search_value <- as.numeric(search_value)
   x == search_value
 }

R/imageutils.R

@@ -1,14 +1,19 @@
 startPNG <- function(filename, width, height, res, ...) {
-  pngfun <- if ((getOption('shiny.useragg') %||% TRUE) && is_installed("ragg")) {
-    ragg::agg_png
+  # shiny.useragg is an experimental option that isn't officially supported or
+  # documented. It's here in the off chance that someone really wants
+  # to use ragg (say, instead of showtext, for custom font rendering).
+  # In the next shiny release, this option will likely be superseded in
+  # favor of a fully customizable graphics device option
+  if ((getOption('shiny.useragg') %||% FALSE) && is_available("ragg")) {
+    pngfun <- ragg::agg_png
   } else if (capabilities("aqua")) {
     # i.e., png(type = 'quartz')
-    grDevices::png
-  } else if ((getOption('shiny.usecairo') %||% TRUE) && is_installed("Cairo")) {
-    Cairo::CairoPNG
+    pngfun <- grDevices::png
+  } else if ((getOption('shiny.usecairo') %||% TRUE) && is_available("Cairo")) {
+    pngfun <- Cairo::CairoPNG
   } else {
     # i.e., png(type = 'cairo')
-    grDevices::png
+    pngfun <- grDevices::png
   }
 
   args <- rlang::list2(filename=filename, width=width, height=height, res=res, ...)
@@ -52,31 +57,33 @@ startPNG <- function(filename, width, height, res, ...) {
   grDevices::dev.cur()
 }
 
-#' Capture a plot as a PNG file.
+#' Run a plotting function and save the output as a PNG
 #'
-#' The PNG graphics device used is determined in the following order:
-#'   * If the ragg package is installed (and the `shiny.useragg` is not
-#'    set to `FALSE`), then use [ragg::agg_png()].
-#'   * If a quartz device is available (i.e., `capabilities("aqua")` is
-#'    `TRUE`), then use `png(type = "quartz")`.
-#'   * If the Cairo package is installed (and the `shiny.usecairo` option
-#'    is not set to `FALSE`), then use [Cairo::CairoPNG()].
-#'   * Otherwise, use [grDevices::png()]. In this case, Linux and Windows
-#'    may not antialias some point shapes, resulting in poor quality output.
+#' This function returns the name of the PNG file that it generates. In
+#' essence, it calls `png()`, then `func()`, then `dev.off()`.
+#' So `func` must be a function that will generate a plot when used this
+#' way.
+#'
+#' For output, it will try to use the following devices, in this order:
+#' quartz (via [grDevices::png()]), then [Cairo::CairoPNG()],
+#' and finally [grDevices::png()]. This is in order of quality of
+#' output. Notably, plain `png` output on Linux and Windows may not
+#' antialias some point shapes, resulting in poor quality output.
+#'
+#' In some cases, `Cairo()` provides output that looks worse than
+#' `png()`. To disable Cairo output for an app, use
+#' `options(shiny.usecairo=FALSE)`.
 #'
 #' @param func A function that generates a plot.
 #' @param filename The name of the output file. Defaults to a temp file with
 #'   extension `.png`.
 #' @param width Width in pixels.
 #' @param height Height in pixels.
-#' @param res Resolution in pixels per inch. This value is passed to the
-#'   graphics device. Note that this affects the resolution of PNG rendering in
+#' @param res Resolution in pixels per inch. This value is passed to
+#'   [grDevices::png()]. Note that this affects the resolution of PNG rendering in
 #'   R; it won't change the actual ppi of the browser.
-#' @param ... Arguments to be passed through to the graphics device. These can
-#'   be used to set the width, height, background color, etc.
-#'
-#' @return A path to the newly generated PNG file.
-#'
+#' @param ... Arguments to be passed through to [grDevices::png()].
+#'   These can be used to set the width, height, background color, etc.
 #' @export
 plotPNG <- function(func, filename=tempfile(fileext='.png'),
                     width=400, height=400, res=72, ...) {

R/input-date.R

@@ -133,13 +133,14 @@ dateInput <- function(inputId, label, value = NULL, min = NULL, max = NULL,
 }
 
 
+datePickerVersion <- "1.9.0"
+
 datePickerDependency <- function(theme) {
   list(
     htmlDependency(
       name = "bootstrap-datepicker-js",
-      version = version_bs_date_picker,
-      src = "www/shared/datepicker",
-      package = "shiny",
+      version = datePickerVersion,
+      src = c(href = "shared/datepicker"),
       script = if (getOption("shiny.minified", TRUE)) "js/bootstrap-datepicker.min.js"
                else                                   "js/bootstrap-datepicker.js",
       # Need to enable noConflict mode. See #1346.
@@ -157,20 +158,19 @@ datePickerCSS <- function(theme) {
   if (!is_bs_theme(theme)) {
     return(htmlDependency(
       name = "bootstrap-datepicker-css",
-      version = version_bs_date_picker,
-      src = "www/shared/datepicker",
-      package = "shiny",
+      version = datePickerVersion,
+      src = c(href = "shared/datepicker"),
       stylesheet = "css/bootstrap-datepicker3.min.css"
     ))
   }
 
-  scss_file <- system_file(package = "shiny", "www/shared/datepicker/scss/build3.scss")
+  scss_file <- system.file(package = "shiny", "www/shared/datepicker/scss/build3.scss")
 
   bslib::bs_dependency(
     input = sass::sass_file(scss_file),
     theme = theme,
     name = "bootstrap-datepicker",
-    version = version_bs_date_picker,
-    cache_key_extra = get_package_version("shiny")
+    version = datePickerVersion,
+    cache_key_extra = shinyPackageVersion()
   )
 }

R/input-file.R

@@ -23,18 +23,7 @@
 #' @param buttonLabel The label used on the button. Can be text or an HTML tag
 #'   object.
 #' @param placeholder The text to show before a file has been uploaded.
-#' @param capture What source to use for capturing image, audio or video data.
-#'   This attribute facilitates user access to a device's media capture 
-#'   mechanism, such as a camera, or microphone, from within a file upload 
-#'   control.
 #'
-#'   A value of `user` indicates that the user-facing camera and/or microphone
-#'   should be used. A value of `environment` specifies that the outward-facing
-#'   camera and/or microphone should be used.
-#'
-#'   By default on most phones, this will accept still photos or video. For
-#'   still photos only, also use `accept="image/*"`. For video only, use
-#'   `accept="video/*"`.
 #' @examples
 #' ## Only run examples in interactive R sessions
 #' if (interactive()) {
@@ -84,8 +73,7 @@
 #'
 #' @export
 fileInput <- function(inputId, label, multiple = FALSE, accept = NULL,
-  width = NULL, buttonLabel = "Browse...", placeholder = "No file selected",
-  capture = NULL) {
+  width = NULL, buttonLabel = "Browse...", placeholder = "No file selected") {
 
   restoredValue <- restoreInput(id = inputId, default = NULL)
 
@@ -113,9 +101,6 @@ fileInput <- function(inputId, label, multiple = FALSE, accept = NULL,
   if (length(accept) > 0)
     inputTag$attribs$accept <- paste(accept, collapse=',')
 
-  if (!is.null(capture)) {
-    inputTag$attribs$capture <- capture
-  }
 
   div(class = "form-group shiny-input-container",
     style = css(width = validateCssUnit(width)),

R/input-select.R

@@ -213,7 +213,14 @@ selectizeIt <- function(inputId, select, options, nonempty = FALSE) {
   deps <- list(selectizeDependency())
 
   if ('drag_drop' %in% options$plugins) {
-    deps[[length(deps) + 1]] <- jqueryuiDependency()
+    deps <- c(
+      deps,
+      list(htmlDependency(
+        'jqueryui', '1.12.1',
+        c(href = 'shared/jqueryui'),
+        script = 'jquery-ui.min.js'
+      ))
+    )
   }
 
   # Insert script on same level as <select> tag
@@ -236,14 +243,19 @@ selectizeDependency <- function() {
 }
 
 selectizeDependencyFunc <- function(theme) {
+  selectizeVersion <- "0.12.4"
   if (!is_bs_theme(theme)) {
-    return(selectizeStaticDependency(version_selectize))
+    return(selectizeStaticDependency(selectizeVersion))
   }
 
-  selectizeDir <- system_file(package = "shiny", "www/shared/selectize/")
-  bs_version <- bslib::theme_version(theme)
+  selectizeDir <- system.file(package = "shiny", "www/shared/selectize/")
   stylesheet <- file.path(
-    selectizeDir, "scss", paste0("selectize.bootstrap", bs_version, ".scss")
+    selectizeDir, "scss",
+    if ("3" %in% bslib::theme_version(theme)) {
+      "selectize.bootstrap3.scss"
+    } else {
+      "selectize.bootstrap4.scss"
+    }
   )
   # It'd be cleaner to ship the JS in a separate, href-based,
   # HTML dependency (which we currently do for other themable widgets),
@@ -259,18 +271,16 @@ selectizeDependencyFunc <- function(theme) {
     input = sass::sass_file(stylesheet),
     theme = theme,
     name = "selectize",
-    version = version_selectize,
-    cache_key_extra = get_package_version("shiny"),
+    version = selectizeVersion,
+    cache_key_extra = shinyPackageVersion(),
     .dep_args = list(script = script)
   )
 }
 
 selectizeStaticDependency <- function(version) {
   htmlDependency(
-    "selectize",
-    version,
-    src = "www/shared/selectize",
-    package = "shiny",
+    "selectize", version,
+    src = c(href = "shared/selectize"),
     stylesheet = "css/selectize.bootstrap3.css",
     script = c(
       "js/selectize.min.js",

R/input-slider.R

@@ -201,21 +201,19 @@ sliderInput <- function(inputId, label, min, max, value, step = NULL,
 }
 
 
+ionRangeSliderVersion <- "2.3.1"
+
 ionRangeSliderDependency <- function() {
   list(
     # ion.rangeSlider also needs normalize.css, which is already included in Bootstrap.
     htmlDependency(
-      "ionrangeslider-javascript",
-      version_ion_range_slider,
-      src = "www/shared/ionrangeslider",
-      package = "shiny",
+      "ionrangeslider-javascript", ionRangeSliderVersion,
+      src = c(href = "shared/ionrangeslider"),
       script = "js/ion.rangeSlider.min.js"
     ),
     htmlDependency(
-      "strftime",
-      version_strftime,
-      src = "www/shared/strftime",
-      package = "shiny",
+      "strftime", "0.9.2",
+      src = c(href = "shared/strftime"),
       script = "strftime-min.js"
     ),
     bslib::bs_dependency_defer(ionRangeSliderDependencyCSS)
@@ -226,24 +224,36 @@ ionRangeSliderDependencyCSS <- function(theme) {
   if (!is_bs_theme(theme)) {
     return(htmlDependency(
       "ionrangeslider-css",
-      version_ion_range_slider,
-      src = "www/shared/ionrangeslider",
-      package = "shiny",
+      ionRangeSliderVersion,
+      src = c(href = "shared/ionrangeslider"),
       stylesheet = "css/ion.rangeSlider.css"
     ))
   }
 
-  bslib::bs_dependency(
-    input = list(
-      list(accent = "$component-active-bg"),
-      sass::sass_file(
-        system_file(package = "shiny", "www/shared/ionrangeslider/scss/shiny.scss")
-      )
+  # Remap some variable names for ionRangeSlider's scss
+  sass_input <- list(
+    list(
+      # The bootswatch materia theme sets $input-bg: transparent;
+      # which is an issue for the slider's handle(s) (#3130)
+      bg = "if(alpha($input-bg)==0, $body-bg, $input-bg)",
+      fg = sprintf(
+        "if(alpha($input-color)==0, $%s, $input-color)",
+        if ("3" %in% bslib::theme_version(theme)) "text-color" else "body-color"
+      ),
+      accent = "$component-active-bg",
+      `font-family` = "$font-family-base"
     ),
+    sass::sass_file(
+      system.file(package = "shiny", "www/shared/ionrangeslider/scss/shiny.scss")
+    )
+  )
+
+  bslib::bs_dependency(
+    input = sass_input,
     theme = theme,
     name = "ionRangeSlider",
-    version = version_ion_range_slider,
-    cache_key_extra = get_package_version("shiny")
+    version = ionRangeSliderVersion,
+    cache_key_extra = shinyPackageVersion()
   )
 }
 

R/input-utils.R

@@ -41,7 +41,7 @@ normalizeChoicesArgs <- function(choices, choiceNames, choiceValues,
     if (length(choiceNames) != length(choiceValues)) {
       stop("`choiceNames` and `choiceValues` must have the same length.")
     }
-    if (any_named(choiceNames) || any_named(choiceValues)) {
+    if (anyNamed(choiceNames) || anyNamed(choiceValues)) {
       stop("`choiceNames` and `choiceValues` must not be named.")
     }
   } else {

R/insert-tab.R

@@ -112,13 +112,35 @@
 #'
 #' }
 #' @export
-insertTab <- function(inputId, tab, target = NULL,
-                      position = c("after", "before"), select = FALSE,
+insertTab <- function(inputId, tab, target,
+                      position = c("before", "after"), select = FALSE,
                       session = getDefaultReactiveDomain()) {
-  bslib::nav_insert(
-    inputId, tab, target,
-    match.arg(position), select, session
-  )
+  force(target)
+  force(select)
+  position <- match.arg(position)
+  inputId <- session$ns(inputId)
+
+  # Barbara -- August 2017
+  # Note: until now, the number of tabs in a tabsetPanel (or navbarPage
+  # or navlistPanel) was always fixed. So, an easy way to give an id to
+  # a tab was simply incrementing a counter. (Just like it was easy to
+  # give a random 4-digit number to identify the tabsetPanel). Since we
+  # can only know this in the client side, we'll just pass `id` and
+  # `tsid` (TabSetID) as dummy values that will be fixed in the JS code.
+  item <- buildTabItem("id", "tsid", TRUE, divTag = tab,
+    textFilter = if (is.character(tab)) navbarMenuTextFilter else NULL)
+
+  callback <- function() {
+    session$sendInsertTab(
+      inputId = inputId,
+      liTag = processDeps(item$liTag, session),
+      divTag = processDeps(item$divTag, session),
+      menuName = NULL,
+      target = target,
+      position = position,
+      select = select)
+  }
+  session$onFlush(callback, once = TRUE)
 }
 
 #' @param menuName This argument should only be used when you want to
@@ -137,21 +159,63 @@ insertTab <- function(inputId, tab, target = NULL,
 #' @export
 prependTab <- function(inputId, tab, select = FALSE, menuName = NULL,
                        session = getDefaultReactiveDomain()) {
-  bslib::nav_prepend(inputId, tab, menu_title = menuName, select = select, session = session)
+  force(select)
+  force(menuName)
+  inputId <- session$ns(inputId)
+
+  item <- buildTabItem("id", "tsid", TRUE, divTag = tab,
+    textFilter = if (is.character(tab)) navbarMenuTextFilter else NULL)
+
+  callback <- function() {
+    session$sendInsertTab(
+      inputId = inputId,
+      liTag = processDeps(item$liTag, session),
+      divTag = processDeps(item$divTag, session),
+      menuName = menuName,
+      target = NULL,
+      position = "after",
+      select = select)
+  }
+  session$onFlush(callback, once = TRUE)
 }
 
 #' @rdname insertTab
 #' @export
 appendTab <- function(inputId, tab, select = FALSE, menuName = NULL,
                       session = getDefaultReactiveDomain()) {
-  bslib::nav_append(inputId, tab, menu_title = menuName, select = select, session = session)
+  force(select)
+  force(menuName)
+  inputId <- session$ns(inputId)
+
+  item <- buildTabItem("id", "tsid", TRUE, divTag = tab,
+    textFilter = if (is.character(tab)) navbarMenuTextFilter else NULL)
+
+  callback <- function() {
+    session$sendInsertTab(
+      inputId = inputId,
+      liTag = processDeps(item$liTag, session),
+      divTag = processDeps(item$divTag, session),
+      menuName = menuName,
+      target = NULL,
+      position = "before",
+      select = select)
+  }
+  session$onFlush(callback, once = TRUE)
 }
 
 #' @rdname insertTab
 #' @export
 removeTab <- function(inputId, target,
                       session = getDefaultReactiveDomain()) {
-  bslib::nav_remove(inputId, target, session)
+  force(target)
+  inputId <- session$ns(inputId)
+
+  callback <- function() {
+    session$sendRemoveTab(
+      inputId = inputId,
+      target = target)
+  }
+  session$onFlush(callback, once = TRUE)
 }
 
 

R/jqueryui.R

@@ -79,8 +79,8 @@ absolutePanel <- function(...,
   if (isTRUE(draggable)) {
     divTag <- tagAppendAttributes(divTag, class='draggable')
     return(tagList(
+      singleton(tags$head(tags$script(src='shared/jqueryui/jquery-ui.min.js'))),
       divTag,
-      jqueryuiDependency(),
       tags$script('$(".draggable").draggable();')
     ))
   } else {
@@ -99,14 +99,3 @@ fixedPanel <- function(...,
                 width=width, height=height, draggable=draggable, cursor=match.arg(cursor),
                 fixed=TRUE)
 }
-
-
-jqueryuiDependency <- function() {
-  htmlDependency(
-    'jqueryui',
-    '1.12.1',
-    src = 'www/shared/jqueryui',
-    package = 'shiny',
-    script = 'jquery-ui.min.js'
-  )
-}

R/knitr.R

@@ -4,7 +4,6 @@
 #' themselves in knitr/rmarkdown documents.
 #'
 #' @name knitr_methods
-#' @keywords internal
 #' @param x Object to knit_print
 #' @param ... Additional knit_print arguments
 NULL
@@ -63,7 +62,7 @@ knit_print.shiny.appobj <- function(x, ...) {
 #' @param inline Whether the object is printed inline.
 knit_print.shiny.render.function <- function(x, ..., inline = FALSE) {
   x <- htmltools::as.tags(x, inline = inline)
-  output <- knitr::knit_print(tagList(x), ..., inline = inline)
+  output <- knitr::knit_print(tagList(x))
   attr(output, "knit_cacheable") <- FALSE
   attr(output, "knit_meta") <- append(attr(output, "knit_meta"),
                                       shiny_rmd_warning())
@@ -77,5 +76,5 @@ knit_print.reactive <- function(x, ..., inline = FALSE) {
   renderFunc <- if (inline) renderText else renderPrint
   knitr::knit_print(renderFunc({
     x()
-  }), ..., inline = inline)
+  }), inline = inline)
 }

R/map.R

@@ -1,3 +1,4 @@
+#' @importFrom fastmap fastmap
 Map <- R6Class(
   'Map',
   portable = FALSE,

R/middleware.R

@@ -348,7 +348,7 @@ HandlerManager <- R6Class("HandlerManager",
                   httpResponse(status = 500L,
                     content_type = "text/html; charset=UTF-8",
                     content = as.character(htmltools::htmlTemplate(
-                      system_file("template", "error.html", package = "shiny"),
+                      system.file("template", "error.html", package = "shiny"),
                       message = conditionMessage(err)
                     ))
                   )

R/mock-session.R

@@ -1,5 +1,5 @@
 # Promise helpers taken from:
-#   https://github.com/rstudio/promises/blob/main/tests/testthat/common.R
+#   https://github.com/rstudio/promises/blob/master/tests/testthat/common.R
 # Block until all pending later tasks have executed
 wait_for_it <- function() {
   while (!later::loop_empty()) {

R/modal.R

@@ -151,25 +151,18 @@ removeModal <- function(session = getDefaultReactiveDomain()) {
 #' }
 #' @export
 modalDialog <- function(..., title = NULL, footer = modalButton("Dismiss"),
-  size = c("m", "s", "l", "xl"), easyClose = FALSE, fade = TRUE) {
+  size = c("m", "s", "l"), easyClose = FALSE, fade = TRUE) {
 
   size <- match.arg(size)
 
-  backdrop <- if (!easyClose) "static"
-  keyboard <- if (!easyClose) "false"
-  div(
-    id = "shiny-modal",
-    class = "modal",
-    class = if (fade) "fade",
-    tabindex = "-1",
-    `data-backdrop` = backdrop,
-    `data-bs-backdrop` = backdrop,
-    `data-keyboard` = keyboard,
-    `data-bs-keyboard` = keyboard,
+  cls <- if (fade) "modal fade" else "modal"
+  div(id = "shiny-modal", class = cls, tabindex = "-1",
+    `data-backdrop` = if (!easyClose) "static",
+    `data-keyboard` = if (!easyClose) "false",
 
     div(
       class = "modal-dialog",
-      class = switch(size, s = "modal-sm", m = NULL, l = "modal-lg", xl = "modal-xl"),
+      class = switch(size, s = "modal-sm", m = NULL, l = "modal-lg"),
       div(class = "modal-content",
         if (!is.null(title)) div(class = "modal-header",
           tags$h4(class = "modal-title", title)
@@ -178,26 +171,14 @@ modalDialog <- function(..., title = NULL, footer = modalButton("Dismiss"),
         if (!is.null(footer)) div(class = "modal-footer", footer)
       )
     ),
-    # jQuery plugin doesn't work in Bootstrap 5, but vanilla JS doesn't work in Bootstrap 4 :sob:
-    tags$script(HTML(
-      "if (window.bootstrap && !window.bootstrap.Modal.VERSION.match(/^4\\./)) {
-         var modal = new bootstrap.Modal(document.getElementById('shiny-modal'));
-         modal.show();
-      } else {
-         $('#shiny-modal').modal().focus();
-      }"
-    ))
+    tags$script("$('#shiny-modal').modal().focus();")
   )
 }
 
 #' @export
 #' @rdname modalDialog
 modalButton <- function(label, icon = NULL) {
-  tags$button(
-    type = "button",
-    class = "btn btn-default",
-    `data-dismiss` = "modal",
-    `data-bs-dismiss` = "modal",
-    validateIcon(icon), label
+  tags$button(type = "button", class = "btn btn-default",
+    `data-dismiss` = "modal", validateIcon(icon), label
   )
 }

R/navtreePanel.R

@@ -0,0 +1,159 @@
+#' @export
+navtreePanel <- function(..., id = NULL,
+                          selected = NULL,
+                          fluid = TRUE,
+                         # Also allow for string to determine padding in a flex layout?
+                          widths = c(3, 9)) {
+  # TODO: how to incorporate this into a sidebar layout?
+
+  if (!is.null(id))
+    selected <- restoreInput(id = id, default = selected)
+
+  tabset <- buildTreePanel(..., ulClass = "nav nav-navtree", id = id, selected = selected)
+
+  row <- if (fluid) fluidRow else fixedRow
+
+  navList <- attachDependencies(
+    tabset$navList,
+    bslib::bs_dependency_defer(navtreeCssDependency)
+  )
+
+  row(
+    column(widths[[1]], navList),
+    column(widths[[2]], tabset$content)
+  )
+}
+
+
+# Algorithm inspired by buildTabset() but we need different HTML/CSS,
+# and menus are rendered as collapse toggles instead of Bootstrap dropdowns
+buildTreePanel <- function(..., ulClass, id = NULL, selected = NULL, foundSelected = FALSE, depth = 0) {
+
+  tabs <- list2(...)
+  res <- findAndMarkSelectedTab(tabs, selected, foundSelected)
+  tabs <- res$tabs
+  foundSelected <- res$foundSelected
+
+  # add input class if we have an id
+  if (!is.null(id)) ulClass <- paste(ulClass, "shiny-tab-input")
+
+  if (anyNamed(tabs)) {
+    nms <- names(tabs)
+    nms <- nms[nzchar(nms)]
+    stop("Tabs should all be unnamed arguments, but some are named: ",
+         paste(nms, collapse = ", "))
+  }
+
+  tabsetId <- p_randomInt(1000, 10000)
+  tabs <- lapply(
+    seq_len(length(tabs)), buildTreeItem,
+    tabsetId = tabsetId,
+    foundSelected = foundSelected,
+    tabs = tabs, depth = depth
+  )
+
+  list(
+    navList = tags$ul(
+      class = ulClass, id = id,
+      `data-tabsetid` = tabsetId,
+      !!!lapply(tabs, "[[", "liTag")
+    ),
+    content = div(
+      class = "tab-content",
+      `data-tabsetid` = tabsetId,
+      !!!lapply(tabs, "[[", "divTag")
+    )
+  )
+}
+
+buildTreeItem <- function(index, tabsetId, foundSelected, tabs = NULL, divTag = NULL, depth = 0) {
+  divTag <- divTag %||% tabs[[index]]
+
+  subMenuPadding <- if (depth > 0) css(padding_left = paste0(depth * 1.25, "rem"))
+
+  if (isNavbarMenu(divTag)) {
+    icon <- getIcon(iconClass = divTag$iconClass)
+    if (!is.null(icon)) {
+      warning("Configurable icons are not yet supported in navtreePanel().")
+    }
+    tabset <- buildTreePanel(
+      !!!divTag$tabs, ulClass = "nav nav-navtree",
+      foundSelected = foundSelected, depth = depth + 1
+    )
+    # Sort of like .dropdown in the tabsetPanel() case,
+    # but utilizes collapsing (which is recursive) instead of dropdown
+    active <- containsSelectedTab(divTag$tabs)
+    menuId <- paste0("collapse-", p_randomInt(1000, 10000))
+    liTag <- tags$li(
+      tags$a(
+        class = if (!active) "collapsed",
+        "data-toggle" = "collapse",
+        "data-value" = divTag$menuName,
+        "data-target" = paste0("#", menuId),
+        role = "button",
+        style = subMenuPadding,
+        getIcon(iconClass = divTag$iconClass),
+        divTag$title
+      ),
+      div(
+        class = "collapse",
+        class = if (active) "show in",
+        id = menuId,
+        tabset$navList
+      )
+    )
+    return(list(liTag = liTag, divTag = tabset$content$children))
+  }
+
+  if (isTabPanel(divTag)) {
+    # Borrow from the usual nav logic so we get the right
+    # li.active vs li > a.active (BS4) markup
+    navItem <- buildNavItem(divTag, tabsetId, index)
+    liTag <- navItem$liTag
+    return(
+      list(
+        divTag = navItem$divTag,
+        liTag = tagFunction(function() {
+          # Incoming liTag should be a tagFunction()
+          liTag <- if (inherits(liTag, "shiny.tag.function")) liTag() else liTag
+
+          # Add padding for sub menu anchors
+          liTag$children[[1]] <- tagAppendAttributes(
+            liTag$children[[1]], style = subMenuPadding
+          )
+
+          liTag
+        })
+      )
+    )
+  }
+
+  abort("navtreePanel() items must be tabPanel()s and/or tabPanelMenu()s")
+}
+
+
+navtreeCssDependency <- function(theme) {
+  name <- "navtreePanel"
+  version <- packageVersion("shiny")
+  if (!is_bs_theme(theme)) {
+    # TODO: Should we allow navtreePanel() to be statically rendered?
+    # Can/should we move away from href="shared/*"?
+    htmlDependency(
+      name = name, version = version,
+      src = c(href = "shared/navtree", file = "www/shared/navtree"),
+      package = "shiny",
+      stylesheet = "navtree.css",
+      script = "navtree.js"
+    )
+  } else {
+    navtree <- system.file(package = "shiny", "www/shared/navtree")
+    bslib::bs_dependency(
+      sass::sass_file(file.path(navtree, "navtree.scss")),
+      theme = theme,
+      name = name,
+      version = version,
+      cache_key_extra = version,
+      .dep_args = list(script = file.path(navtree, "navtree.js"))
+    )
+  }
+}

R/reactives.R

@@ -875,7 +875,8 @@ Observable <- R6Class(
         invisible(.value)
     },
     format = function() {
-      simpleExprToFunction(fn_body(.origFunc), "reactive")
+      label <- sprintf('reactive(%s)', paste(deparse(body(.origFunc)), collapse='\n'))
+      strsplit(label, "\n")[[1]]
     },
     .updateValue = function() {
       ctx <- Context$new(.domain, .label, type = 'observable',
@@ -944,15 +945,14 @@ Observable <- R6Class(
 #' See the [Shiny tutorial](https://shiny.rstudio.com/tutorial/) for
 #' more information about reactive expressions.
 #'
-#' @param x For `is.reactive()`, an object to test. For `reactive()`, an expression. When passing in a [`quo()`]sure with `reactive()`, remember to use [`rlang::inject()`] to distinguish that you are passing in the content of your quosure, not the expression of the quosure.
-#' @template param-env
-#' @templateVar x x
-#' @templateVar env env
-#' @templateVar quoted quoted
-#' @template param-quoted
-#' @templateVar x x
-#' @templateVar quoted quoted
-
+#' @param x For `reactive`, an expression (quoted or unquoted). For
+#'   `is.reactive`, an object to test.
+#' @param env The parent environment for the reactive expression. By default,
+#'   this is the calling environment, the same as when defining an ordinary
+#'   non-reactive expression.
+#' @param quoted Is the expression quoted? By default, this is `FALSE`.
+#'   This is useful when you want to use an expression that is stored in a
+#'   variable; to do so, it must be quoted with `quote()`.
 #' @param label A label for the reactive expression, useful for debugging.
 #' @param domain See [domains].
 #' @param ..stacktraceon Advanced use only. For stack manipulation purposes; see
@@ -961,56 +961,46 @@ Observable <- R6Class(
 #' @return a function, wrapped in a S3 class "reactive"
 #'
 #' @examples
-#' library(rlang)
 #' values <- reactiveValues(A=1)
 #'
 #' reactiveB <- reactive({
 #'   values$A + 1
 #' })
-#' # View the values from the R console with isolate()
-#' isolate(reactiveB())
-#' # 2
+#'
+#' # Can use quoted expressions
+#' reactiveC <- reactive(quote({ values$A + 2 }), quoted = TRUE)
 #'
 #' # To store expressions for later conversion to reactive, use quote()
-#' myquo <- rlang::quo(values$A + 2)
-#' # Unexpected value! Sending a quosure directly will not work as expected.
-#' reactiveC <- reactive(myquo)
-#' # We'd hope for `3`, but instead we get the quosure that was supplied.
+#' expr_q <- quote({ values$A + 3 })
+#' reactiveD <- reactive(expr_q, quoted = TRUE)
+#'
+#' # View the values from the R console with isolate()
+#' isolate(reactiveB())
 #' isolate(reactiveC())
-#'
-#' # Instead, the quosure should be `rlang::inject()`ed
-#' reactiveD <- rlang::inject(reactive(!!myquo))
 #' isolate(reactiveD())
-#' # 3
-#'
-#' # (Legacy) Can use quoted expressions
-#' expr <- quote({ values$A + 3 })
-#' reactiveE <- reactive(expr, quoted = TRUE)
-#' isolate(reactiveE())
-#' # 4
-#'
 #' @export
-reactive <- function(
-  x,
-  env = parent.frame(),
-  quoted = FALSE,
+reactive <- function(x, env = parent.frame(), quoted = FALSE,
   ...,
   label = NULL,
   domain = getDefaultReactiveDomain(),
-  ..stacktraceon = TRUE
-) {
+  ..stacktraceon = TRUE)
+{
   check_dots_empty()
 
-  func <- installExprFunction(x, "func", env, quoted, wrappedWithLabel = FALSE)
-  # Attach a label and a reference to the original user source for debugging
-  userExpr <- fn_body(func)
-  label <- exprToLabel(userExpr, "reactive", label)
+  x <- get_quosure(x, env, quoted)
+  fun <- as_function(x)
+  # as_function returns a function that takes `...`. We need one that takes no
+  # args.
+  formals(fun) <- list()
 
-  o <- Observable$new(func, label, domain, ..stacktraceon = ..stacktraceon)
+  # Attach a label and a reference to the original user source for debugging
+  label <- exprToLabel(get_expr(x), "reactive", label)
+
+  o <- Observable$new(fun, label, domain, ..stacktraceon = ..stacktraceon)
   structure(
     o$getValue,
     observable = o,
-    cacheHint = list(userExpr = zap_srcref(userExpr)),
+    cacheHint = list(userExpr = zap_srcref(get_expr(x))),
     class = c("reactiveExpr", "reactive", "function")
   )
 }
@@ -1203,7 +1193,7 @@ Observer <- R6Class(
             # validation = function(e) NULL,
             # shiny.output.cancel = function(e) NULL
 
-            if (cnd_inherits(e, "shiny.silent.error")) {
+            if (inherits(e, "shiny.silent.error")) {
               return()
             }
 
@@ -1335,7 +1325,12 @@ Observer <- R6Class(
 #'
 #' @param x An expression (quoted or unquoted). Any return value will be
 #'   ignored.
-#' @inheritParams reactive
+#' @param env The parent environment for the reactive expression. By default,
+#'   this is the calling environment, the same as when defining an ordinary
+#'   non-reactive expression.
+#' @param quoted Is the expression quoted? By default, this is `FALSE`.
+#'   This is useful when you want to use an expression that is stored in a
+#'   variable; to do so, it must be quoted with `quote()`.
 #' @param label A label for the observer, useful for debugging.
 #' @param suspended If `TRUE`, start the observer in a suspended state. If
 #'   `FALSE` (the default), start in a non-suspended state.
@@ -1394,21 +1389,18 @@ Observer <- R6Class(
 #'   print(values$A + 1)
 #' })
 #'
-#' # To store expressions for later conversion to observe, use rlang::quo()
-#' myquo <- rlang::quo({ print(values$A + 3) })
-#' obsC <- rlang::inject(observe(!!myquo))
+#' # Can use quoted expressions
+#' obsC <- observe(quote({ print(values$A + 2) }), quoted = TRUE)
 #'
-#' # (Legacy) Can use quoted expressions
-#' obsD <- observe(quote({ print(values$A + 2) }), quoted = TRUE)
+#' # To store expressions for later conversion to observe, use quote()
+#' expr_q <- quote({ print(values$A + 3) })
+#' obsD <- observe(expr_q, quoted = TRUE)
 #'
 #' # In a normal Shiny app, the web client will trigger flush events. If you
 #' # are at the console, you can force a flush with flushReact()
 #' shiny:::flushReact()
 #' @export
-observe <- function(
-  x,
-  env = parent.frame(),
-  quoted = FALSE,
+observe <- function(x, env = parent.frame(), quoted = FALSE,
   ...,
   label = NULL,
   suspended = FALSE,
@@ -1419,11 +1411,18 @@ observe <- function(
 {
   check_dots_empty()
 
-  func <- installExprFunction(x, "func", env, quoted)
-  label <- funcToLabel(func, "observe", label)
+  x <- get_quosure(x, env, quoted)
+  fun <- as_function(x)
+  # as_function returns a function that takes `...`. We need one that takes no
+  # args.
+  formals(fun) <- list()
+
+  if (is.null(label)) {
+    label <- sprintf('observe(%s)', paste(deparse(get_expr(x)), collapse='\n'))
+  }
 
   o <- Observer$new(
-    func,
+    fun,
     label = label,
     suspended = suspended,
     priority = priority,
@@ -2145,30 +2144,23 @@ maskReactiveContext <- function(expr) {
 #' @param valueExpr The expression that produces the return value of the
 #'   `eventReactive`. It will be executed within an [isolate()]
 #'   scope.
-#' @param event.env The parent environment for the reactive expression. By default,
-#'   this is the calling environment, the same as when defining an ordinary
-#'   non-reactive expression. If `eventExpr` is a quosure and `event.quoted` is `TRUE`,
-#'   then `event.env` is ignored.
-#' @param event.quoted If it is `TRUE`, then the [`quote()`]ed value of `eventExpr`
-#'   will be used when `eventExpr` is evaluated. If `eventExpr` is a quosure and you
-#'   would like to use its expression as a value for `eventExpr`, then you must set
-#'  `event.quoted` to `TRUE`.
-#' @param handler.env The parent environment for the reactive expression. By default,
-#'   this is the calling environment, the same as when defining an ordinary
-#'   non-reactive expression. If `handlerExpr` is a quosure and `handler.quoted` is `TRUE`,
-#'   then `handler.env` is ignored.
-#' @param handler.quoted If it is `TRUE`, then the [`quote()`]ed value of `handlerExpr`
-#'   will be used when `handlerExpr` is evaluated. If `handlerExpr` is a quosure and you
-#'   would like to use its expression as a value for `handlerExpr`, then you must set
-#'  `handler.quoted` to `TRUE`.
-#' @param value.env The parent environment for the reactive expression. By default,
-#'   this is the calling environment, the same as when defining an ordinary
-#'   non-reactive expression. If `valueExpr` is a quosure and `value.quoted` is `TRUE`,
-#'   then `value.env` is ignored.
-#' @param value.quoted If it is `TRUE`, then the [`quote()`]ed value of `valueExpr`
-#'   will be used when `valueExpr` is evaluated. If `valueExpr` is a quosure and you
-#'   would like to use its expression as a value for `valueExpr`, then you must set
-#'  `value.quoted` to `TRUE`.
+#' @param event.env The parent environment for `eventExpr`. By default,
+#'   this is the calling environment.
+#' @param event.quoted Is the `eventExpr` expression quoted? By default,
+#'   this is `FALSE`. This is useful when you want to use an expression
+#'   that is stored in a variable; to do so, it must be quoted with
+#'   `quote()`.
+#' @param handler.env The parent environment for `handlerExpr`. By default,
+#'   this is the calling environment.
+#' @param handler.quoted Is the `handlerExpr` expression quoted? By
+#'   default, this is `FALSE`. This is useful when you want to use an
+#'   expression that is stored in a variable; to do so, it must be quoted with
+#'   `quote()`.
+#' @param value.env The parent environment for `valueExpr`. By default,
+#'   this is the calling environment.
+#' @param value.quoted Is the `valueExpr` expression quoted? By default,
+#'   this is `FALSE`. This is useful when you want to use an expression
+#'   that is stored in a variable; to do so, it must be quoted with `quote()`.
 #' @param label A label for the observer or reactive, useful for debugging.
 #' @param suspended If `TRUE`, start the observer in a suspended state. If
 #'   `FALSE` (the default), start in a non-suspended state.
@@ -2282,13 +2274,15 @@ observeEvent <- function(eventExpr, handlerExpr,
 {
   check_dots_empty()
 
-  eventQ <- exprToQuo(eventExpr, event.env, event.quoted)
-  handlerQ <- exprToQuo(handlerExpr, handler.env, handler.quoted)
+  eventExpr   <- get_quosure(eventExpr,   event.env,   event.quoted)
+  handlerExpr <- get_quosure(handlerExpr, handler.env, handler.quoted)
 
-  label <- quoToLabel(eventQ, "observeEvent", label)
+  if (is.null(label)) {
+    label <- sprintf('observeEvent(%s)', paste(deparse(get_expr(eventExpr)), collapse='\n'))
+  }
 
   handler <- inject(observe(
-    !!handlerQ,
+    !!handlerExpr,
     label = label,
     suspended = suspended,
     priority = priority,
@@ -2302,7 +2296,7 @@ observeEvent <- function(eventExpr, handlerExpr,
     ignoreInit = ignoreInit,
     once = once,
     label = label,
-    !!eventQ,
+    !!eventExpr,
     x = handler
   ))
 
@@ -2320,17 +2314,19 @@ eventReactive <- function(eventExpr, valueExpr,
 {
   check_dots_empty()
 
-  eventQ <- exprToQuo(eventExpr, event.env, event.quoted)
-  valueQ <- exprToQuo(valueExpr, value.env, value.quoted)
+  eventExpr <- get_quosure(eventExpr, event.env, event.quoted)
+  valueExpr <- get_quosure(valueExpr, value.env, value.quoted)
 
-  label <- quoToLabel(eventQ, "eventReactive", label)
+  if (is.null(label)) {
+    label <- sprintf('eventReactive(%s)', paste(deparse(get_expr(eventExpr)), collapse='\n'))
+  }
 
   invisible(inject(bindEvent(
     ignoreNULL = ignoreNULL,
     ignoreInit = ignoreInit,
     label = label,
-    !!eventQ,
-    x = reactive(!!valueQ, domain = domain, label = label)
+    !!eventExpr,
+    x = reactive(!!valueExpr, domain = domain, label = label)
   )))
 }
 
@@ -2472,11 +2468,11 @@ debounce <- function(r, millis, priority = 100, domain = getDefaultReactiveDomai
 
       # Ensure r() is called only after setting firstRun to FALSE since r()
       # may throw an error
-      try(r(), silent = TRUE)
+      r()
       return()
     }
     # This ensures r() is still tracked after firstRun
-    try(r(), silent = TRUE)
+    r()
 
     # The value (or possibly millis) changed. Start or reset the timer.
     v$when <- getDomainTimeMs(domain) + millis()
@@ -2509,7 +2505,7 @@ debounce <- function(r, millis, priority = 100, domain = getDefaultReactiveDomai
   # commenting it out and studying the unit test failure that results.
   primer <- observe({
     primer$destroy()
-    try(er(), silent = TRUE)
+    er()
   }, label = "debounce primer", domain = domain, priority = priority)
 
   er
@@ -2551,7 +2547,7 @@ throttle <- function(r, millis, priority = 100, domain = getDefaultReactiveDomai
   }
 
   # Responsible for tracking when f() changes.
-  observeEvent(try(r(), silent = TRUE), {
+  observeEvent(r(), {
     if (v$pending) {
       # In a blackout period and someone already scheduled; do nothing
     } else if (blackoutMillisLeft() > 0) {

R/reexports.R

@@ -1,6 +1,6 @@
 ####
-# Generated by `./tools/documentation/updateReexports.R`: do not edit by hand
-# Please call `source('tools/documentation/updateReexports.R')` from the root folder to update`
+# Generated by `./tools/updateReexports.R`: do not edit by hand
+# Please call `source('tools/updateReexports.R') from the root folder to update`
 ####
 
 
@@ -90,20 +90,17 @@ htmltools::em
 #' @export
 htmltools::hr
 
+
+# htmltools tag.Rd -------------------------------------------------------------
+
 #' @importFrom htmltools tag
 #' @export
 htmltools::tag
 
-
-# htmltools tagList.Rd ---------------------------------------------------------
-
 #' @importFrom htmltools tagList
 #' @export
 htmltools::tagList
 
-
-# htmltools tagAppendAttributes.Rd ---------------------------------------------
-
 #' @importFrom htmltools tagAppendAttributes
 #' @export
 htmltools::tagAppendAttributes
@@ -116,9 +113,6 @@ htmltools::tagHasAttribute
 #' @export
 htmltools::tagGetAttribute
 
-
-# htmltools tagAppendChild.Rd --------------------------------------------------
-
 #' @importFrom htmltools tagAppendChild
 #' @export
 htmltools::tagAppendChild

R/render-cached-plot.R

@@ -181,7 +181,7 @@
 #' # At the top of app.R, this set the application-scoped cache to be a disk
 #' # cache that can be shared among multiple concurrent R processes, and is
 #' # deleted when the system reboots.
-#' shinyOptions(cache = cachem::cache_disk(file.path(dirname(tempdir()), "myapp-cache")))
+#' shinyOptions(cache = cachem::cache_disk(file.path(dirname(tempdir()), "myapp-cache"))
 #'
 #' # At the top of app.R, this set the application-scoped cache to be a disk
 #' # cache that can be shared among multiple concurrent R processes, and

R/render-plot.R

@@ -34,19 +34,19 @@
 #'   When rendering an inline plot, you must provide numeric values (in pixels)
 #'   to both \code{width} and \code{height}.
 #' @param res Resolution of resulting plot, in pixels per inch. This value is
-#'   passed to [plotPNG()]. Note that this affects the resolution of PNG
+#'   passed to [grDevices::png()]. Note that this affects the resolution of PNG
 #'   rendering in R; it won't change the actual ppi of the browser.
-#' @param alt Alternate text for the HTML `<img>` tag if it cannot be displayed
-#'   or viewed (i.e., the user uses a screen reader). In addition to a character
-#'   string, the value may be a reactive expression (or a function referencing
-#'   reactive values) that returns a character string. If the value is `NA` (the
-#'   default), then `ggplot2::get_alt_text()` is used to extract alt text from
-#'   ggplot objects; for other plots, `NA` results in alt text of "Plot object".
-#'   `NULL` or `""` is not recommended because those should be limited to
-#'   decorative images.
-#' @param ... Arguments to be passed through to [plotPNG()].
+#' @param alt Alternate text for the HTML `<img>` tag
+#'   if it cannot be displayed or viewed (i.e., the user uses a screen reader).
+#'   In addition to a character string, the value may be a reactive expression
+#'   (or a function referencing reactive values) that returns a character string.
+#'   NULL or "" is not recommended because those should be limited to decorative images
+#'   (the default is "Plot object").
+#' @param ... Arguments to be passed through to [grDevices::png()].
 #'   These can be used to set the width, height, background color, etc.
-#' @inheritParams renderUI
+#' @param env The environment in which to evaluate `expr`.
+#' @param quoted Is `expr` a quoted expression (with `quote()`)? This
+#'   is useful if you want to save an expression in a variable.
 #' @param execOnResize If `FALSE` (the default), then when a plot is
 #'   resized, Shiny will *replay* the plot drawing commands with
 #'   [grDevices::replayPlot()] instead of re-executing `expr`.
@@ -58,18 +58,15 @@
 #'   interactive R Markdown document.
 #' @export
 renderPlot <- function(expr, width = 'auto', height = 'auto', res = 72, ...,
-                       alt = NA,
+                       alt = "Plot object",
                        env = parent.frame(), quoted = FALSE,
                        execOnResize = FALSE, outputArgs = list()
 ) {
 
-  func <- installExprFunction(
-    expr, "func", env, quoted,
-    label = "renderPlot",
-    # This ..stacktraceon is matched by a ..stacktraceoff.. when plotFunc
-    # is called
-    ..stacktraceon = TRUE
-  )
+  expr <- get_quosure(expr, env, quoted)
+  # This ..stacktraceon is matched by a ..stacktraceoff.. when plotFunc
+  # is called
+  func <- quoToFunction(expr, "renderPlot", ..stacktraceon = TRUE)
 
   args <- list(...)
 
@@ -187,7 +184,7 @@ renderPlot <- function(expr, width = 'auto', height = 'auto', res = 72, ...,
     outputFunc,
     renderFunc,
     outputArgs,
-    cacheHint = list(userExpr = installedFuncExpr(func), res = res)
+    cacheHint = list(userExpr = get_expr(expr), res = res)
   )
   class(markedFunc) <- c("shiny.renderPlot", class(markedFunc))
   markedFunc
@@ -215,7 +212,7 @@ resizeSavedPlot <- function(name, session, result, width, height, alt, pixelrati
     src = session$fileUrl(name, outfile, contentType = "image/png"),
     width = width,
     height = height,
-    alt = result$alt,
+    alt = alt,
     coordmap = coordmap,
     error = attr(coordmap, "error", exact = TRUE)
   )
@@ -291,7 +288,6 @@ drawPlot <- function(name, session, func, width, height, alt, pixelratio, res, .
               recordedPlot = grDevices::recordPlot(),
               coordmap = getCoordmap(value, width*pixelratio, height*pixelratio, res*pixelratio),
               pixelratio = pixelratio,
-              alt = if (anyNA(alt)) getAltText(value) else alt,
               res = res
             )
           }
@@ -306,10 +302,10 @@ drawPlot <- function(name, session, func, width, height, alt, pixelratio, res, .
     ),
     function(result) {
       result$img <- dropNulls(list(
-        src = session$fileUrl(name, outfile, contentType = 'image/png'),
+        src = session$fileUrl(name, outfile, contentType='image/png'),
         width = width,
         height = height,
-        alt = result$alt,
+        alt = alt,
         coordmap = result$coordmap,
         # Get coordmap error message if present
         error = attr(result$coordmap, "error", exact = TRUE)
@@ -343,24 +339,6 @@ custom_print.ggplot <- function(x) {
   ), class = "ggplot_build_gtable")
 }
 
-# Infer alt text description from renderPlot() value
-# (currently just ggplot2 is supported)
-getAltText <- function(x, default = "Plot object") {
-  # Since, inside renderPlot(), custom_print.ggplot()
-  # overrides print.ggplot, this class indicates a ggplot()
-  if (!inherits(x, "ggplot_build_gtable")) {
-    return(default)
-  }
-  # ggplot2::get_alt_text() was added in v3.3.4
-  # https://github.com/tidyverse/ggplot2/pull/4482
-  get_alt <- getNamespace("ggplot2")$get_alt_text
-  if (!is.function(get_alt)) {
-    return(default)
-  }
-  alt <- paste(get_alt(x$build), collapse = " ")
-  if (nzchar(alt)) alt else default
-}
-
 # The coordmap extraction functions below return something like the examples
 # below. For base graphics:
 # plot(mtcars$wt, mtcars$mpg)
@@ -612,7 +590,7 @@ getGgplotCoordmap <- function(p, width, height, res) {
 find_panel_info <- function(b) {
   # Structure of ggplot objects changed after 2.1.0. After 2.2.1, there was a
   # an API for extracting the necessary information.
-  ggplot_ver <- get_package_version("ggplot2")
+  ggplot_ver <- utils::packageVersion("ggplot2")
 
   if (ggplot_ver > "2.2.1") {
     find_panel_info_api(b)

R/render-table.R

@@ -42,7 +42,9 @@
 #'   (i.e. they either evaluate to `NA` or `NaN`).
 #' @param ... Arguments to be passed through to [xtable::xtable()]
 #'   and [xtable::print.xtable()].
-#' @inheritParams renderUI
+#' @param env The environment in which to evaluate `expr`.
+#' @param quoted Is `expr` a quoted expression (with `quote()`)?
+#'   This is useful if you want to save an expression in a variable.
 #' @param outputArgs A list of arguments to be passed through to the
 #'   implicit call to [tableOutput()] when `renderTable` is
 #'   used in an interactive R Markdown document.
@@ -72,7 +74,8 @@ renderTable <- function(expr, striped = FALSE, hover = FALSE,
                         env = parent.frame(), quoted = FALSE,
                         outputArgs=list())
 {
-  func <- installExprFunction(expr, "func", env, quoted, label = "renderTable")
+  expr <- get_quosure(expr, env, quoted)
+  func <- quoToFunction(expr, "renderTable")
 
   if (!is.function(spacing)) spacing <- match.arg(spacing)
 

R/run-url.R

@@ -23,10 +23,10 @@
 #' @examples
 #' ## Only run this example in interactive R sessions
 #' if (interactive()) {
-#'   runUrl('https://github.com/rstudio/shiny_example/archive/main.tar.gz')
+#'   runUrl('https://github.com/rstudio/shiny_example/archive/master.tar.gz')
 #'
 #'   # Can run an app from a subdirectory in the archive
-#'   runUrl("https://github.com/rstudio/shiny_example/archive/main.zip",
+#'   runUrl("https://github.com/rstudio/shiny_example/archive/master.zip",
 #'     subdir = "inst/shinyapp/")
 #' }
 runUrl <- function(url, filetype = NULL, subdir = NULL, destdir = NULL, ...) {
@@ -121,8 +121,7 @@ runGist <- function(gist, destdir = NULL, ...) {
 #' @param username GitHub username. If `repo` is of the form
 #'   `"username/repo"`, `username` will be taken from `repo`.
 #' @param ref Desired git reference. Could be a commit, tag, or branch name.
-#'   Defaults to `"HEAD"`, which means the default branch on GitHub, typically
-#'   `"main"` or `"master"`.
+#'   Defaults to `"master"`.
 #' @export
 #' @examples
 #' ## Only run this example in interactive R sessions
@@ -134,7 +133,7 @@ runGist <- function(gist, destdir = NULL, ...) {
 #'   runGitHub("shiny_example", "rstudio", subdir = "inst/shinyapp/")
 #' }
 runGitHub <- function(repo, username = getOption("github.user"),
-                      ref = "HEAD", subdir = NULL, destdir = NULL, ...) {
+                      ref = "master", subdir = NULL, destdir = NULL, ...) {
 
   if (grepl('/', repo)) {
     res <- strsplit(repo, '/')[[1]]

R/runapp.R

@@ -22,13 +22,10 @@
 #' @param port The TCP port that the application should listen on. If the
 #'   `port` is not specified, and the `shiny.port` option is set (with
 #'   `options(shiny.port = XX)`), then that port will be used. Otherwise,
-#'   use a random port between 3000:8000, excluding ports that are blocked
-#'   by Google Chrome for being considered unsafe: 3659, 4045, 5060,
-#'   5061, 6000, 6566, 6665:6669 and 6697. Up to twenty random
-#'   ports will be tried.
+#'   use a random port.
 #' @param launch.browser If true, the system's default web browser will be
 #'   launched automatically after the app is started. Defaults to true in
-#'   interactive sessions only. The value of this parameter can also be a
+#'   interactive sessions only. This value of this parameter can also be a
 #'   function to call with the application's URL.
 #' @param host The IPv4 address that the application should listen on. Defaults
 #'   to the `shiny.host` option, if set, or `"127.0.0.1"` if not. See
@@ -304,8 +301,7 @@ runApp <- function(appDir=getwd(),
           # Reject ports in this range that are considered unsafe by Chrome
           # http://superuser.com/questions/188058/which-ports-are-considered-unsafe-on-chrome
           # https://github.com/rstudio/shiny/issues/1784
-          # https://chromium.googlesource.com/chromium/src.git/+/refs/heads/main/net/base/port_util.cc
-          if (!port %in% c(3659, 4045, 5060, 5061, 6000, 6566, 6665:6669, 6697)) {
+          if (!port %in% c(3659, 4045, 6000, 6665:6669, 6697)) {
             break
           }
         }
@@ -467,7 +463,7 @@ runExample <- function(example=NA,
                        launch.browser = getOption('shiny.launch.browser', interactive()),
                        host=getOption('shiny.host', '127.0.0.1'),
                        display.mode=c("auto", "normal", "showcase")) {
-  examplesDir <- system_file('examples', package='shiny')
+  examplesDir <- system.file('examples', package='shiny')
   dir <- resolve(examplesDir, example)
   if (is.null(dir)) {
     if (is.na(example)) {

R/serializers.R

@@ -5,6 +5,7 @@
 #'   value. The returned value will be used for the test snapshot.
 #' @param session A Shiny session object.
 #'
+#' @keywords internal
 #' @export
 setSerializer <- function(inputId, fun, session = getDefaultReactiveDomain()) {
   if (is.null(session)) {

R/server-input-handlers.R

@@ -41,12 +41,12 @@ inputHandlers <- Map$new()
 #' })
 #'
 #' ## On the Javascript side, the associated input binding must have a corresponding getType method:
-#' # getType: function(el) {
-#' #   return "mypackage.validint";
-#' # }
+#' getType: function(el) {
+#'   return "mypackage.validint";
+#' }
 #'
 #' }
-#' @seealso [removeInputHandler()] [applyInputHandlers()]
+#' @seealso [removeInputHandler()]
 #' @export
 registerInputHandler <- function(type, fun, force=FALSE){
   if (inputHandlers$containsKey(type) && !force){
@@ -181,7 +181,7 @@ registerInputHandler("shiny.datetime", function(val, ...){
 
 registerInputHandler("shiny.action", function(val, shinysession, name) {
   # mark up the action button value with a special class so we can recognize it later
-  class(val) <- c("shinyActionButtonValue", class(val))
+  class(val) <- c(class(val), "shinyActionButtonValue")
   val
 })
 

R/server.R

@@ -29,7 +29,7 @@ registerClient <- function(client) {
 
 #' Define Server Functionality
 #'
-#' @description `r lifecycle::badge("superseded")`
+#' @description \lifecycle{superseded}
 #'
 #' @description Defines the server-side logic of the Shiny application. This generally
 #' involves creating functions that map user inputs to various kinds of output.
@@ -49,7 +49,7 @@ registerClient <- function(client) {
 #' optional `session` parameter, which is used when greater control is
 #' needed.
 #'
-#' See the [tutorial](https://shiny.rstudio.com/tutorial/) for more
+#' See the [tutorial](https://rstudio.github.io/shiny/tutorial/) for more
 #' on how to write a server function.
 #'
 #' @param func The server function for this application. See the details section
@@ -128,7 +128,7 @@ createAppHandlers <- function(httpHandlers, serverFuncSource) {
   appvars <- new.env()
   appvars$server <- NULL
 
-  sys.www.root <- system_file('www', package='shiny')
+  sys.www.root <- system.file('www', package='shiny')
 
   # This value, if non-NULL, must be present on all HTTP and WebSocket
   # requests as the Shiny-Shared-Secret header or else access will be
@@ -331,7 +331,7 @@ argsForServerFunc <- function(serverFunc, session) {
 getEffectiveBody <- function(func) {
   if (is.null(func))
     NULL
-  else if (isS4(func) && inherits(func, "functionWithTrace"))
+  else if (isS4(func) && class(func) == "functionWithTrace")
     body(func@original)
   else
     body(func)
@@ -385,7 +385,7 @@ startApp <- function(appObj, port, host, quiet) {
     list(
       # Always handle /session URLs dynamically, even if / is a static path.
       "session" = excludeStaticPath(),
-      "shared" = system_file(package = "shiny", "www", "shared")
+      "shared" = system.file(package = "shiny", "www", "shared")
     ),
     .globals$resourcePaths
   )

R/shiny-options.R

@@ -94,10 +94,6 @@ getShinyOption <- function(name, default = NULL) {
 #'   numbers to JSON format to send to the client web browser.}
 #' \item{shiny.launch.browser (defaults to `interactive()`)}{A boolean which controls the default behavior
 #'   when an app is run. See [runApp()] for more information.}
-#' \item{shiny.mathjax.url (defaults to `"https://mathjax.rstudio.com/latest/MathJax.js"`)}{
-#'   The URL that should be used to load MathJax, via [withMathJax()].}
-#' \item{shiny.mathjax.config (defaults to `"config=TeX-AMS-MML_HTMLorMML"`)}{The querystring
-#'   used to load MathJax, via [withMathJax()].}
 #' \item{shiny.maxRequestSize (defaults to 5MB)}{This is a number which specifies the maximum
 #'   web request size, which serves as a size limit for file uploads.}
 #' \item{shiny.minified (defaults to `TRUE`)}{By default
@@ -129,9 +125,6 @@ getShinyOption <- function(name, default = NULL) {
 #'   console.}
 #' \item{shiny.testmode (defaults to `FALSE`)}{If `TRUE`, then various features for testing Shiny
 #'   applications are enabled.}
-#' \item{shiny.snapshotsortc (defaults to `FALSE`)}{If `TRUE`, test snapshot keys
-#'   for \pkg{shinytest} will be sorted consistently using the C locale.  Snapshots
-#'   retrieved by \pkg{shinytest2} will always sort using the C locale.}
 #' \item{shiny.trace (defaults to `FALSE`)}{Print messages sent between the R server and the web
 #'   browser client to the R console. This is useful for debugging. Possible
 #'   values are `"send"` (only print messages sent to the client),
@@ -140,10 +133,9 @@ getShinyOption <- function(name, default = NULL) {
 #'   messages).}
 #' \item{shiny.autoload.r (defaults to `TRUE`)}{If `TRUE`, then the R/
 #'   of a shiny app will automatically be sourced.}
-#' \item{shiny.useragg (defaults to `TRUE`)}{Set to `FALSE` to prevent PNG rendering via the
-#'   ragg package. See [plotPNG()] for more information.}
-#' \item{shiny.usecairo (defaults to `TRUE`)}{Set to `FALSE` to prevent PNG rendering via the
-#'   Cairo package. See [plotPNG()] for more information.}
+#' \item{shiny.usecairo (defaults to `TRUE`)}{This is used to disable graphical rendering by the
+#'   Cairo package, if it is installed. See [plotPNG()] for more
+#'   information.}
 #' \item{shiny.devmode (defaults to `NULL`)}{Option to enable Shiny Developer Mode. When set,
 #'   different default `getOption(key)` values will be returned. See [devmode()] for more details.}
 ### Not documenting as 'shiny.devmode.verbose' is for niche use only

R/shiny-package.R

@@ -2,7 +2,7 @@
 
 ## usethis namespace: start
 ## usethis namespace: end
-#' @importFrom lifecycle deprecated is_present
+#' @importFrom lifecycle deprecated
 #' @importFrom grDevices dev.set dev.cur
 #' @importFrom fastmap fastmap
 #' @importFrom promises %...!%
@@ -11,13 +11,11 @@
 #'    promise promise_resolve promise_reject is.promising
 #'    as.promise
 #' @importFrom rlang
-#'    quo enquo enquo0 as_function get_expr get_env new_function enquos
+#'    quo enquo as_function get_expr get_env new_function enquos
 #'    eval_tidy expr pairlist2 new_quosure enexpr as_quosure is_quosure inject
-#'    quo_set_env quo_set_expr quo_get_expr
 #'    enquos0 zap_srcref %||% is_na
 #'    is_false list2
 #'    missing_arg is_missing maybe_missing
-#'    quo_is_missing fn_fmls<- fn_body fn_body<-
 #' @importFrom ellipsis
 #'    check_dots_empty check_dots_unnamed
 #' @import htmltools

R/shiny.R

@@ -403,7 +403,7 @@ ShinySession <- R6Class(
     sendMessage = function(...) {
       # This function is a wrapper for $write
       msg <- list(...)
-      if (any_unnamed(msg)) {
+      if (anyUnnamed(msg)) {
         stop("All arguments to sendMessage must be named.")
       }
       private$write(toJSON(msg))
@@ -478,35 +478,6 @@ ShinySession <- R6Class(
           # "json" unless requested otherwise. The only other valid value is
           # "rds".
           format <- params$format %||% "json"
-          # Machines can test their snapshot under different locales.
-          # R CMD check runs under the `C` locale.
-          # However, before this parameter, existing snapshots were most likely not
-          #   under the `C` locale is would cause failures. This parameter allows
-          #   users to opt-in to the `C` locale.
-          # From ?sort:
-          #   However, there are some caveats with the radix sort:
-          #     If ‘x’ is a ‘character’ vector, all elements must share the
-          #   same encoding. Only UTF-8 (including ASCII) and Latin-1
-          #   encodings are supported. Collation always follows the "C"
-          #   locale.
-          # {shinytest2} will always set `sortC=1`
-          # {shinytest} does not have `sortC` functionality.
-          #    Users should set `options(shiny.snapshotsortc = TRUE)` within their app.
-          # The sortingMethod should always be `radix` going forward.
-          sortMethod <-
-            if (!is.null(params$sortC)) {
-              if (params$sortC != "1") {
-                stop("The `sortC` parameter can only be `1` or not supplied")
-              }
-              "radix"
-            } else {
-              # Allow users to set an option for {shinytest2}.
-              if (isTRUE(getShinyOption("snapshotsortc", default = FALSE))) {
-                "radix"
-              } else {
-                "auto"
-              }
-            }
 
           values <- list()
 
@@ -549,7 +520,7 @@ ShinySession <- R6Class(
               }
             )
 
-            values$input <- sortByName(values$input, method = sortMethod)
+            values$input <- sortByName(values$input)
           }
 
           if (!is.null(params$output)) {
@@ -577,7 +548,7 @@ ShinySession <- R6Class(
               }
             )
 
-            values$output <- sortByName(values$output, method = sortMethod)
+            values$output <- sortByName(values$output)
           }
 
           if (!is.null(params$export)) {
@@ -598,7 +569,7 @@ ShinySession <- R6Class(
               )
             }
 
-            values$export <- sortByName(values$export, method = sortMethod)
+            values$export <- sortByName(values$export)
           }
 
           # Make sure input, output, and export are all named lists (at this
@@ -854,7 +825,7 @@ ShinySession <- R6Class(
             dots <- eval(substitute(alist(...)))
           }
 
-          if (any_unnamed(dots))
+          if (anyUnnamed(dots))
             stop("exportTestValues: all arguments must be named.")
 
           names(dots) <- ns(names(dots))
@@ -942,7 +913,7 @@ ShinySession <- R6Class(
 
         # Copy `values` from scopeState to state, adding namespace
         if (length(scopeState$values) != 0) {
-          if (any_unnamed(scopeState$values)) {
+          if (anyUnnamed(scopeState$values)) {
             stop("All scope values in must be named.")
           }
 
@@ -1143,12 +1114,7 @@ ShinySession <- R6Class(
                   structure(list(), class = "try-error", condition = cond)
                 } else if (inherits(cond, "shiny.output.cancel")) {
                   structure(list(), class = "cancel-output")
-                } else if (cnd_inherits(cond, "shiny.silent.error")) {
-                  # The error condition might have been chained by
-                  # foreign code, e.g. dplyr. Find the original error.
-                  while (!inherits(cond, "shiny.silent.error")) {
-                    cond <- cond$parent
-                  }
+                } else if (inherits(cond, "shiny.silent.error")) {
                   # Don't let shiny.silent.error go through the normal stop
                   # path of try, because we don't want it to print. But we
                   # do want to try to return the same looking result so that
@@ -1735,7 +1701,7 @@ ShinySession <- R6Class(
         dots <- eval(substitute(alist(...)))
       }
 
-      if (any_unnamed(dots))
+      if (anyUnnamed(dots))
         stop("exportTestValues: all arguments must be named.")
 
       # Create a named list where each item is a list with an expression and
@@ -1748,7 +1714,7 @@ ShinySession <- R6Class(
     },
 
     getTestSnapshotUrl = function(input = TRUE, output = TRUE, export = TRUE,
-                                  format = "json", sortC = FALSE) {
+                                  format = "json") {
       reqString <- function(group, value) {
         if (isTRUE(value))
           paste0(group, "=1")
@@ -1762,7 +1728,6 @@ ShinySession <- R6Class(
         reqString("input", input),
         reqString("output", output),
         reqString("export", export),
-        reqString("sortC", sortC),
         paste0("format=", format),
         sep = "&"
       )
@@ -2162,6 +2127,18 @@ ShinySession <- R6Class(
         })
       }
     }
+  ),
+  active = list(
+    session = function() {
+      shinyDeprecated(
+        "0.11.1", "shinysession$session",
+        details = paste0(
+          "Attempted to access deprecated shinysession$session object. ",
+          "Please just access the shinysession object directly."
+        )
+      )
+      self
+    }
   )
 )
 
@@ -2198,7 +2175,7 @@ ShinySession <- R6Class(
   if (getOption("shiny.allowoutputreads", FALSE)) {
     .subset2(x, 'impl')$getOutput(name)
   } else {
-    rlang::abort(paste0("Can't read output '", name, "'"))
+    rlang::abort(paste0("Can't read output '", output, "'"))
   }
 }
 

R/shinyapp.R

@@ -193,7 +193,7 @@ shinyAppDir_serverR <- function(appDir, options=list()) {
     staticPaths <- list()
   }
 
-  fallbackWWWDir <- system_file("www-dir", package = "shiny")
+  fallbackWWWDir <- system.file("www-dir", package = "shiny")
 
   serverSource <- cachedFuncWithFile(appDir, "server.R", case.sensitive = FALSE,
     function(serverR) {
@@ -286,7 +286,7 @@ shinyAppDir_serverR <- function(appDir, options=list()) {
 #
 # The return value is a function that halts monitoring when called.
 initAutoReloadMonitor <- function(dir) {
-  if (!get_devmode_option("shiny.autoreload", FALSE)) {
+  if (!getOption("shiny.autoreload", FALSE)) {
     return(function(){})
   }
 
@@ -339,7 +339,7 @@ initAutoReloadMonitor <- function(dir) {
 #' @param appDir The application directory. If `appDir` is `NULL` or
 #'   not supplied, the nearest enclosing directory that is a Shiny app, starting
 #'   with the current directory, is used.
-#' @param renv The environment in which the files in the `R/` directory should
+#' @param renv The environmeny in which the files in the `R/` directory should
 #'   be evaluated.
 #' @param globalrenv The environment in which `global.R` should be evaluated. If
 #'   `NULL`, `global.R` will not be evaluated at all.
@@ -455,7 +455,7 @@ shinyAppDir_appR <- function(fileName, appDir, options=list())
     staticPaths <- list()
   }
 
-  fallbackWWWDir <- system_file("www-dir", package = "shiny")
+  fallbackWWWDir <- system.file("www-dir", package = "shiny")
 
   oldwd <- NULL
   monitorHandle <- NULL

R/shinyui.R

@@ -14,11 +14,7 @@ NULL
 #' # now we can just write "static" content without withMathJax()
 #' div("more math here $$\\sqrt{2}$$")
 withMathJax <- function(...) {
-  path <- paste0(
-    getOption("shiny.mathjax.url", "https://mathjax.rstudio.com/latest/MathJax.js"),
-    "?",
-    getOption("shiny.mathjax.config", "config=TeX-AMS-MML_HTMLorMML")
-  )
+  path <- 'https://mathjax.rstudio.com/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'
   tagList(
     tags$head(
       singleton(tags$script(src = path, type = 'text/javascript'))
@@ -43,7 +39,7 @@ renderPage <- function(ui, showcase=0, testMode=FALSE) {
 
     # Put the body into the default template
     ui <- htmlTemplate(
-      system_file("template", "default.html", package = "shiny"),
+      system.file("template", "default.html", package = "shiny"),
       lang = lang,
       body = ui,
       # this template is a complete HTML document
@@ -51,59 +47,48 @@ renderPage <- function(ui, showcase=0, testMode=FALSE) {
     )
   }
 
+  jquery <- function() {
+    version <- getOption("shiny.jquery.version", 3)
+    if (version == 3) {
+      return(htmlDependency(
+        "jquery", version_jquery,
+        c(href = "shared"),
+        script = "jquery.min.js"
+      ))
+    }
+    if (version == 1) {
+      return(htmlDependency(
+        "jquery", "1.12.4",
+        c(href = "shared/legacy"),
+        script = "jquery.min.js"
+      ))
+    }
+    stop("Unsupported version of jQuery: ", version)
+  }
+
   shiny_deps <- c(
-    list(jqueryDependency()),
+    list(jquery()),
     shinyDependencies()
   )
 
   if (testMode) {
     # Add code injection listener if in test mode
     shiny_deps[[length(shiny_deps) + 1]] <-
-      htmlDependency(
-        "shiny-testmode",
-        get_package_version("shiny"),
-        src = "www/shared",
-        package = "shiny",
-        script = "shiny-testmode.js",
-        all_files = FALSE
-      )
+      htmlDependency("shiny-testmode", shinyPackageVersion(),
+                     c(href="shared"), script = "shiny-testmode.js")
   }
 
   html <- renderDocument(ui, shiny_deps, processDep = createWebDependency)
   enc2utf8(paste(collapse = "\n", html))
 }
 
-jqueryDependency <- function() {
-  version <- getOption("shiny.jquery.version", 3)
-  if (version == 3) {
-    return(htmlDependency(
-      "jquery", version_jquery,
-      src = "www/shared",
-      package = "shiny",
-      script = "jquery.min.js",
-      all_files = FALSE
-    ))
-  }
-  if (version == 1) {
-    return(htmlDependency(
-      "jquery", "1.12.4",
-      src = "www/shared/legacy",
-      package = "shiny",
-      script = "jquery.min.js",
-      all_files = FALSE
-    ))
-  }
-  stop("Unsupported version of jQuery: ", version)
-}
-
 shinyDependencies <- function() {
   list(
     bslib::bs_dependency_defer(shinyDependencyCSS),
     htmlDependency(
       name = "shiny-javascript",
-      version = get_package_version("shiny"),
-      src = "www/shared",
-      package = "shiny",
+      version = shinyPackageVersion(),
+      src = c(href = "shared"),
       script =
         if (isTRUE(
           get_devmode_option(
@@ -113,27 +98,24 @@ shinyDependencies <- function() {
         ))
           "shiny.min.js"
         else
-          "shiny.js",
-      all_files = FALSE
+          "shiny.js"
     )
   )
 }
 
 shinyDependencyCSS <- function(theme) {
-  version <- get_package_version("shiny")
+  version <- shinyPackageVersion()
 
   if (!is_bs_theme(theme)) {
     return(htmlDependency(
       name = "shiny-css",
       version = version,
-      src = "www/shared",
-      package = "shiny",
-      stylesheet = "shiny.min.css",
-      all_files = FALSE
+      src = c(href = "shared"),
+      stylesheet = "shiny.min.css"
     ))
   }
 
-  scss_home <- system_file("www/shared/shiny_scss", package = "shiny")
+  scss_home <- system.file("www/shared/shiny_scss", package = "shiny")
   scss_files <- file.path(scss_home, c("bootstrap.scss", "shiny.scss"))
   scss_files <- lapply(scss_files, sass::sass_file)
 
@@ -148,7 +130,7 @@ shinyDependencyCSS <- function(theme) {
 
 #' Create a Shiny UI handler
 #'
-#' @description `r lifecycle::badge("superseded")`
+#' @description \lifecycle{superseded}
 #'
 #' @description Historically this function was used in ui.R files to register a user
 #' interface with Shiny. It is no longer required as of Shiny 0.10; simply

R/shinywrappers.R

@@ -2,23 +2,12 @@ utils::globalVariables('func', add = TRUE)
 
 #' Mark a function as a render function
 #'
-#' `r lifecycle::badge("superseded")` Please use [`createRenderFunction()`] to
-#' support async execution. (Shiny 1.1.0)
-#'
 #' Should be called by implementers of `renderXXX` functions in order to mark
 #' their return values as Shiny render functions, and to provide a hint to Shiny
 #' regarding what UI function is most commonly used with this type of render
 #' function. This can be used in R Markdown documents to create complete output
 #' widgets out of just the render function.
 #'
-#' Note that it is generally preferable to use [createRenderFunction()] instead
-#' of `markRenderFunction()`. It essentially wraps up the user-provided
-#' expression in the `transform` function passed to it, then passes the resulting
-#' function to `markRenderFunction()`. It also provides a simpler calling
-#' interface. There may be cases where `markRenderFunction()` must be used instead of
-#' [createRenderFunction()] -- for example, when the `transform` parameter of
-#' [createRenderFunction()] is not flexible enough for your needs.
-#'
 #' @param uiFunc A function that renders Shiny UI. Must take a single argument:
 #'   an output ID.
 #' @param renderFunc A function that is suitable for assigning to a Shiny output
@@ -48,7 +37,7 @@ utils::globalVariables('func', add = TRUE)
 #'   is able to serve JS and CSS resources.
 #' @return The `renderFunc` function, with annotations.
 #'
-#' @seealso [createRenderFunction()]
+#' @seealso [createRenderFunction()], [quoToFunction()]
 #' @export
 markRenderFunction <- function(
   uiFunc,
@@ -58,12 +47,6 @@ markRenderFunction <- function(
   cacheWriteHook = NULL,
   cacheReadHook = NULL
 ) {
-  # (Do not emit warning for superseded code, "since there’s no risk if you keep using it")
-  # # This method is called by the superseding function, createRenderFunction().
-  # if (in_devmode()) {
-  #   shinyDeprecated("1.1.0", "markRenderFunction()", "createRenderFunction()")
-  # }
-
   force(renderFunc)
 
   # a mutable object that keeps track of whether `useRenderFunction` has been
@@ -111,7 +94,6 @@ markRenderFunction <- function(
     # For everything else, do nothing.
     cacheHint <- lapply(cacheHint, function(x) {
       if      (is.function(x)) formalsAndBody(x)
-      else if (is_quosure(x)) zap_srcref(quo_get_expr(x))
       else if (is.language(x)) zap_srcref(x)
       else                     x
     })
@@ -151,27 +133,10 @@ print.shiny.render.function <- function(x, ...) {
   cat_line("<shiny.render.function>")
 }
 
-#' Implement custom render functions
+#' Implement render functions
 #'
-#' Developer-facing utilities for implementing a custom `renderXXX()` function.
-#' Before using these utilities directly, consider using the [`htmlwidgets`
-#' package](http://www.htmlwidgets.org/develop_intro.html) to implement custom
-#' outputs (i.e., custom `renderXXX()`/`xxxOutput()` functions). That said,
-#' these utilities can be used more directly if a full-blown htmlwidget isn't
-#' needed and/or the user-supplied reactive expression needs to be wrapped in
-#' additional call(s).
-#'
-#' To implement a custom `renderXXX()` function, essentially 2 things are needed:
-#'   1. Capture the user's reactive expression as a function.
-#'      * New `renderXXX()` functions can use `quoToFunction()` for this, but
-#'      already existing `renderXXX()` functions that contain `env` and `quoted`
-#'      parameters may want to continue using `installExprFunction()` for better
-#'      legacy support (see examples).
-#'   2. Flag the resulting function (from 1) as a Shiny rendering function and
-#'   also provide a UI container for displaying the result of the rendering
-#'   function.
-#'      * `createRenderFunction()` is currently recommended (instead of
-#'      [markRenderFunction()]) for this step (see examples).
+#' This function is a wrapper for [markRenderFunction()] which provides support
+#' for async computation via promises.
 #'
 #' @param func A function without parameters, that returns user data. If the
 #'   returned value is a promise, then the render function will proceed in async
@@ -188,24 +153,16 @@ print.shiny.render.function <- function(x, ...) {
 #' @return An annotated render function, ready to be assigned to an
 #'   `output` slot.
 #'
+#' @seealso [quoToFunction()], [markRenderFunction()].
+#'
 #' @examples
-#' # A custom render function that repeats the supplied value 3 times
-#' renderTriple <- function(expr) {
-#'   # Wrap user-supplied reactive expression into a function
-#'   func <- quoToFunction(rlang::enquo0(expr))
-#'
-#'   createRenderFunction(
-#'     func,
-#'     transform = function(value, session, name, ...) {
-#'       paste(rep(value, 3), collapse=", ")
-#'     },
-#'     outputFunc = textOutput
-#'   )
-#' }
-#'
-#' # For better legacy support, consider using installExprFunction() over quoToFunction()
-#' renderTripleLegacy <- function(expr, env = parent.frame(), quoted = FALSE) {
-#'   func <- installExprFunction(expr, "func", env, quoted)
+#' # A very simple render function
+#' renderTriple <- function(x) {
+#'   x <- substitute(x)
+#'   if (!rlang::is_quosure(x)) {
+#'     x <- rlang::new_quosure(x, env = parent.frame())
+#'   }
+#'   func <- quoToFunction(x, "renderTriple")
 #'
 #'   createRenderFunction(
 #'     func,
@@ -217,38 +174,10 @@ print.shiny.render.function <- function(x, ...) {
 #' }
 #'
 #' # Test render function from the console
-#' reactiveConsole(TRUE)
-#'
-#' v <- reactiveVal("basic")
-#' r <- renderTriple({ v() })
+#' a <- 1
+#' r <- renderTriple({ a + 1 })
+#' a <- 2
 #' r()
-#' #> [1] "basic, basic, basic"
-#'
-#' # User can supply quoted code via rlang::quo(). Note that evaluation of the
-#' # expression happens when r2() is invoked, not when r2 is created.
-#' q <- rlang::quo({ v() })
-#' r2 <- rlang::inject(renderTriple(!!q))
-#' v("rlang")
-#' r2()
-#' #> [1] "rlang, rlang, rlang"
-#'
-#' # Supplying quoted code without rlang::quo() requires installExprFunction()
-#' expr <- quote({ v() })
-#' r3 <- renderTripleLegacy(expr, quoted = TRUE)
-#' v("legacy")
-#' r3()
-#' #> [1] "legacy, legacy, legacy"
-#'
-#' # The legacy approach also supports with quosures (env is ignored in this case)
-#' q <- rlang::quo({ v() })
-#' r4 <- renderTripleLegacy(q, quoted = TRUE)
-#' v("legacy-rlang")
-#' r4()
-#' #> [1] "legacy-rlang, legacy-rlang, legacy-rlang"
-#'
-#' # Turn off reactivity in the console
-#' reactiveConsole(FALSE)
-#'
 #' @export
 createRenderFunction <- function(
   func,
@@ -387,7 +316,9 @@ markOutputAttrs <- function(renderFunc, snapshotExclude = NULL,
 #'   the output, see [plotPNG()].
 #'
 #' @param expr An expression that returns a list.
-#' @inheritParams renderUI
+#' @param env The environment in which to evaluate `expr`.
+#' @param quoted Is `expr` a quoted expression (with `quote()`)? This
+#'   is useful if you want to save an expression in a variable.
 #' @param deleteFile Should the file in `func()$src` be deleted after
 #'   it is sent to the client browser? Generally speaking, if the image is a
 #'   temp file generated within `func`, then this should be `TRUE`;
@@ -466,10 +397,11 @@ markOutputAttrs <- function(renderFunc, snapshotExclude = NULL,
 #'
 #' shinyApp(ui, server)
 #' }
-renderImage <- function(expr, env = parent.frame(), quoted = FALSE,
+renderImage <- function(expr, env=parent.frame(), quoted=FALSE,
                         deleteFile, outputArgs=list())
 {
-  func <- installExprFunction(expr, "func", env, quoted, label = "renderImage")
+  expr <- get_quosure(expr, env, quoted)
+  func <- quoToFunction(expr, "renderImage")
 
   # missing() must be used directly within the function with the given arg
   if (missing(deleteFile)) {
@@ -591,7 +523,9 @@ isTemp <- function(path, tempDir = tempdir(), mustExist) {
 #' function return [invisible()].
 #'
 #' @param expr An expression to evaluate.
-#' @inheritParams renderUI
+#' @param env The environment in which to evaluate `expr`. For expert use only.
+#' @param quoted Is `expr` a quoted expression (with `quote()`)? This
+#'   is useful if you want to save an expression in a variable.
 #' @param width Width of printed output.
 #' @param outputArgs A list of arguments to be passed through to the implicit
 #'   call to [verbatimTextOutput()] or [textOutput()] when the functions are
@@ -602,7 +536,8 @@ isTemp <- function(path, tempDir = tempdir(), mustExist) {
 renderPrint <- function(expr, env = parent.frame(), quoted = FALSE,
                         width = getOption('width'), outputArgs=list())
 {
-  func <- installExprFunction(expr, "func", env, quoted, label = "renderPrint")
+  expr <- get_quosure(expr, env, quoted)
+  func <- quoToFunction(expr, "renderPrint")
 
   # Set a promise domain that sets the console width
   #   and captures output
@@ -634,7 +569,7 @@ renderPrint <- function(expr, env = parent.frame(), quoted = FALSE,
     outputArgs,
     cacheHint = list(
       label = "renderPrint",
-      origUserExpr = installedFuncExpr(func)
+      origUserExpr = get_expr(expr)
     )
   )
 }
@@ -684,10 +619,11 @@ createRenderPrintPromiseDomain <- function(width) {
 #'   element.
 #' @export
 #' @rdname renderPrint
-renderText <- function(expr, env = parent.frame(), quoted = FALSE,
+renderText <- function(expr, env=parent.frame(), quoted=FALSE,
                        outputArgs=list(), sep=" ") {
 
-  func <- installExprFunction(expr, "func", env, quoted, label = "renderText")
+  expr <- get_quosure(expr, env, quoted)
+  func <- quoToFunction(expr, "renderText")
 
   createRenderFunction(
     func,
@@ -708,13 +644,9 @@ renderText <- function(expr, env = parent.frame(), quoted = FALSE,
 #'
 #' @param expr An expression that returns a Shiny tag object, [HTML()],
 #'   or a list of such objects.
-#' @template param-env
-#' @templateVar x expr
-#' @templateVar env env
-#' @templateVar quoted quoted
-#' @template param-quoted
-#' @templateVar x expr
-#' @templateVar quoted quoted
+#' @param env The environment in which to evaluate `expr`.
+#' @param quoted Is `expr` a quoted expression (with `quote()`)? This
+#'   is useful if you want to save an expression in a variable.
 #' @param outputArgs A list of arguments to be passed through to the implicit
 #'   call to [uiOutput()] when `renderUI` is used in an
 #'   interactive R Markdown document.
@@ -743,7 +675,8 @@ renderText <- function(expr, env = parent.frame(), quoted = FALSE,
 renderUI <- function(expr, env = parent.frame(), quoted = FALSE,
                      outputArgs = list())
 {
-  func <- installExprFunction(expr, "func", env, quoted, label = "renderUI")
+  expr <- get_quosure(expr, env, quoted)
+  func <- quoToFunction(expr, "renderUI")
 
   createRenderFunction(
     func,
@@ -778,9 +711,9 @@ renderUI <- function(expr, env = parent.frame(), quoted = FALSE,
 #'   function.)
 #' @param contentType A string of the download's
 #'   [content type](https://en.wikipedia.org/wiki/Internet_media_type), for
-#'   example `"text/csv"` or `"image/png"`. If `NULL`, the content type 
-#'   will be guessed based on the filename extension, or 
-#'   `application/octet-stream` if the extension is unknown.
+#'   example `"text/csv"` or `"image/png"`. If `NULL` or
+#'   `NA`, the content type will be guessed based on the filename
+#'   extension, or `application/octet-stream` if the extension is unknown.
 #' @param outputArgs A list of arguments to be passed through to the implicit
 #'   call to [downloadButton()] when `downloadHandler` is used
 #'   in an interactive R Markdown document.
@@ -810,7 +743,7 @@ renderUI <- function(expr, env = parent.frame(), quoted = FALSE,
 #' shinyApp(ui, server)
 #' }
 #' @export
-downloadHandler <- function(filename, content, contentType=NULL, outputArgs=list()) {
+downloadHandler <- function(filename, content, contentType=NA, outputArgs=list()) {
   renderFunc <- function(shinysession, name, ...) {
     shinysession$registerDownload(name, filename, contentType, content)
   }
@@ -822,10 +755,6 @@ downloadHandler <- function(filename, content, contentType=NULL, outputArgs=list
 #' Table output with the JavaScript DataTables library
 #'
 #' @description
-#' `r lifecycle::badge("superseded")` Please use
-#' \href{https://rstudio.github.io/DT/shiny.html}{\code{DT::renderDataTable()}}.
-#' (Shiny 0.11.1)
-#'
 #' Makes a reactive version of the given function that returns a data frame (or
 #' matrix), which will be rendered with the [DataTables](https://datatables.net)
 #' library. Paging, searching, filtering, and sorting can be done on the R side
@@ -900,7 +829,8 @@ renderDataTable <- function(expr, options = NULL, searchDelay = 500,
     )
   }
 
-  func <- installExprFunction(expr, "func", env, quoted, label = "renderDataTable")
+  expr <- get_quosure(expr, env, quoted)
+  func <- quoToFunction(expr, "renderDataTable")
 
   renderFunc <- function(shinysession, name, ...) {
     if (is.function(options)) options <- options()
@@ -953,7 +883,7 @@ renderDataTable <- function(expr, options = NULL, searchDelay = 500,
 DT10Names <- function() {
   rbind(
     utils::read.table(
-      system_file('www/shared/datatables/upgrade1.10.txt', package = 'shiny'),
+      system.file('www/shared/datatables/upgrade1.10.txt', package = 'shiny'),
       stringsAsFactors = FALSE
     ),
     c('aoColumns', 'Removed')  # looks like an omission on the upgrade guide
@@ -988,3 +918,67 @@ checkDT9 <- function(options) {
   names(options)[i] <- nms10
   options
 }
+
+# Deprecated functions ------------------------------------------------------
+
+#' Deprecated reactive functions
+#'
+#' @description \lifecycle{superseded}
+#'
+#' @name deprecatedReactives
+#' @keywords internal
+NULL
+
+#' Plot output (deprecated)
+#'
+#' `reactivePlot` has been replaced by [renderPlot()].
+#' @param func A function.
+#' @param width Width.
+#' @param height Height.
+#' @param ... Other arguments to pass on.
+#' @rdname deprecatedReactives
+#' @export
+reactivePlot <- function(func, width='auto', height='auto', ...) {
+  shinyDeprecated("0.4.0", "reactivePlot()", "renderPlot()")
+  renderPlot({ func() }, width=width, height=height, ...)
+}
+
+#' Table output (deprecated)
+#'
+#' `reactiveTable` has been replaced by [renderTable()].
+#' @rdname deprecatedReactives
+#' @export
+reactiveTable <- function(func, ...) {
+  shinyDeprecated("0.4.0", "reactiveTable()", "renderTable()")
+  renderTable({ func() })
+}
+
+#' Print output (deprecated)
+#'
+#' `reactivePrint` has been replaced by [renderPrint()].
+#' @rdname deprecatedReactives
+#' @export
+reactivePrint <- function(func) {
+  shinyDeprecated("0.4.0", "reactivePrint()", "renderPrint()")
+  renderPrint({ func() })
+}
+
+#' UI output (deprecated)
+#'
+#' `reactiveUI` has been replaced by [renderUI()].
+#' @rdname deprecatedReactives
+#' @export
+reactiveUI <- function(func) {
+  shinyDeprecated("0.4.0", "reactiveUI()", "renderUI()")
+  renderUI({ func() })
+}
+
+#' Text output (deprecated)
+#'
+#' `reactiveText` has been replaced by [renderText()].
+#' @rdname deprecatedReactives
+#' @export
+reactiveText <- function(func) {
+  shinyDeprecated("0.4.0", "reactiveText()", "renderText()")
+  renderText({ func() })
+}

R/showcase.R

@@ -32,40 +32,26 @@ licenseLink <- function(licenseName) {
 showcaseHead <- function() {
 
   deps  <- list(
-    jqueryuiDependency(),
-    htmlDependency(
-      "showdown",
-      "0.3.1",
-      src = "www/shared/showdown/compressed",
-      package="shiny",
-      script = "showdown.js"
-    ),
-    htmlDependency(
-      "highlight.js",
-      "6.2",
-      src = "www/shared/highlight",
-      package="shiny",
-      script = "highlight.pack.js",
-      stylesheet = "rstudio.css"
-    ),
-    htmlDependency(
-      "showcase",
-      "0.1.0",
-      src = "www/shared",
-      package = "shiny",
-      script = "shiny-showcase.js",
-      stylesheet = "shiny-showcase.css",
-      all_files = FALSE
-    )
+    htmlDependency("jqueryui", "1.12.1", c(href="shared/jqueryui"),
+      script = "jquery-ui.min.js"),
+    htmlDependency("showdown", "0.3.1", c(href="shared/showdown/compressed"),
+      script = "showdown.js"),
+    htmlDependency("highlight.js", "6.2", c(href="shared/highlight"),
+      script = "highlight.pack.js")
   )
 
   mdfile <- file.path.ci(getwd(), 'Readme.md')
-  html <- tagList(
+  html <- with(tags, tagList(
+    script(src="shared/shiny-showcase.js"),
+    link(rel="stylesheet", type="text/css",
+         href="shared/highlight/rstudio.css"),
+    link(rel="stylesheet", type="text/css",
+         href="shared/shiny-showcase.css"),
     if (file.exists(mdfile))
-      tags$script(type="text/markdown", id="showcase-markdown-content",
+      script(type="text/markdown", id="showcase-markdown-content",
         paste(readUTF8(mdfile), collapse="\n"))
     else ""
-  )
+  ))
 
   return(attachDependencies(html, deps))
 }
@@ -97,7 +83,7 @@ navTabsHelper <- function(files, prefix = "") {
     with(tags,
       li(class=if (tolower(file) %in% c("app.r", "server.r")) "active" else "",
          a(href=paste("#", gsub(".", "_", file, fixed=TRUE), "_code", sep=""),
-           "data-toggle"="tab", "data-bs-toggle"="tab", paste0(prefix, file)))
+           "data-toggle"="tab", paste0(prefix, file)))
     )
   })
 }
@@ -106,7 +92,7 @@ navTabsDropdown <- function(files) {
   if (length(files) > 0) {
     with(tags,
       li(role="presentation", class="dropdown",
-        a(class="dropdown-toggle", `data-toggle`="dropdown", `data-bs-toggle`="dropdown", href="#",
+        a(class="dropdown-toggle", `data-toggle`="dropdown", href="#",
           role="button", `aria-haspopup`="true", `aria-expanded`="false",
           "www", span(class="caret")
         ),
@@ -148,7 +134,7 @@ showcaseCodeTabs <- function(codeLicense) {
     a(id="showcase-code-position-toggle",
       class="btn btn-default btn-sm",
       onclick="toggleCodePosition()",
-      icon("level-up-alt"),
+      icon("level-up"),
       "show with app"),
     ul(class="nav nav-tabs",
        navTabsHelper(rFiles),

R/staticimports.R

@@ -1,216 +0,0 @@
-# Generated by staticimports; do not edit by hand.
-# ======================================================================
-# Imported from pkg:staticimports
-# ======================================================================
-
-# Given a vector, return TRUE if any elements are named, FALSE otherwise.
-# For zero-length vectors, always return FALSE.
-any_named <- function(x) {
-  if (length(x) == 0) return(FALSE)
-  nms <- names(x)
-  !is.null(nms) && any(nzchar(nms))
-}
-
-# Given a vector, return TRUE if any elements are unnamed, FALSE otherwise.
-# For zero-length vectors, always return FALSE.
-any_unnamed <- function(x) {
-  if (length(x) == 0) return(FALSE)
-  nms <- names(x)
-  is.null(nms) || !all(nzchar(nms))
-}
-
-# Borrowed from pkgload:::dev_meta, with some modifications.
-# Returns TRUE if `pkg` was loaded with `devtools::load_all()`.
-devtools_loaded <- function(pkg) {
-  ns <- .getNamespace(pkg)
-  if (is.null(ns) || is.null(ns$.__DEVTOOLS__)) {
-    return(FALSE)
-  }
-  TRUE
-}
-
-get_package_version <- function(pkg) {
-  # `utils::packageVersion()` can be slow, so first try the fast path of
-  # checking if the package is already loaded.
-  ns <- .getNamespace(pkg)
-  if (is.null(ns)) {
-    utils::packageVersion(pkg)
-  } else {
-    as.package_version(ns$.__NAMESPACE__.$spec[["version"]])
-  }
-}
-
-is_installed <- function(pkg, version = NULL) {
-  installed <- isNamespaceLoaded(pkg) || nzchar(system_file_cached(package = pkg))
-  if (is.null(version)) {
-    return(installed)
-  }
-  installed && isTRUE(get_package_version(pkg) >= version)
-}
-
-register_upgrade_message <- function(pkg, version, error = FALSE) {
-
-  msg <- sprintf(
-    "This version of '%s' is designed to work with '%s' >= %s.
-    Please upgrade via install.packages('%s').",
-    environmentName(environment(register_upgrade_message)),
-    pkg, version, pkg
-  )
-
-  cond <- if (error) stop else packageStartupMessage
-
-  if (pkg %in% loadedNamespaces() && !is_installed(pkg, version)) {
-    cond(msg)
-  }
-
-  # Always register hook in case pkg is loaded at some
-  # point the future (or, potentially, but less commonly,
-  # unloaded & reloaded)
-  setHook(
-    packageEvent(pkg, "onLoad"),
-    function(...) {
-      if (!is_installed(pkg, version)) cond(msg)
-    }
-  )
-}
-
-# Simplified version rlang:::s3_register() that just uses
-# warning() instead of rlang::warn() when registration fails
-# https://github.com/r-lib/rlang/blob/main/R/compat-s3-register.R
-s3_register <- function(generic, class, method = NULL) {
-  stopifnot(is.character(generic), length(generic) == 1)
-  stopifnot(is.character(class), length(class) == 1)
-
-  pieces <- strsplit(generic, "::")[[1]]
-  stopifnot(length(pieces) == 2)
-  package <- pieces[[1]]
-  generic <- pieces[[2]]
-
-  caller <- parent.frame()
-
-  get_method_env <- function() {
-    top <- topenv(caller)
-    if (isNamespace(top)) {
-      asNamespace(environmentName(top))
-    } else {
-      caller
-    }
-  }
-  get_method <- function(method, env) {
-    if (is.null(method)) {
-      get(paste0(generic, ".", class), envir = get_method_env())
-    } else {
-      method
-    }
-  }
-
-  register <- function(...) {
-    envir <- asNamespace(package)
-
-    # Refresh the method each time, it might have been updated by
-    # `devtools::load_all()`
-    method_fn <- get_method(method)
-    stopifnot(is.function(method_fn))
-
-    # Only register if generic can be accessed
-    if (exists(generic, envir)) {
-      registerS3method(generic, class, method_fn, envir = envir)
-    } else {
-      warning(
-        "Can't find generic `", generic, "` in package ", package,
-        " register S3 method. Do you need to update ", package,
-        " to the latest version?", call. = FALSE
-      )
-    }
-  }
-
-  # Always register hook in case package is later unloaded & reloaded
-  setHook(packageEvent(package, "onLoad"), function(...) {
-    register()
-  })
-
-  # Avoid registration failures during loading (pkgload or regular).
-  # Check that environment is locked because the registering package
-  # might be a dependency of the package that exports the generic. In
-  # that case, the exports (and the generic) might not be populated
-  # yet (#1225).
-  if (isNamespaceLoaded(package) && environmentIsLocked(asNamespace(package))) {
-    register()
-  }
-
-  invisible()
-}
-
-# Borrowed from pkgload::shim_system.file, with some modifications. This behaves
-# like `system.file()`, except that (1) for packages loaded with
-# `devtools::load_all()`, it will return the path to files in the package's
-# inst/ directory, and (2) for other packages, the directory lookup is cached.
-# Also, to keep the implementation simple, it doesn't support specification of
-# lib.loc or mustWork.
-system_file <- function(..., package = "base") {
-  if (!devtools_loaded(package))  {
-    return(system_file_cached(..., package = package))
-  }
-
-  if (!is.null(names(list(...)))) {
-    stop("All arguments other than `package` must be unnamed.")
-  }
-
-  # If package was loaded with devtools (the package loaded with load_all),
-  # also search for files under inst/, and don't cache the results (it seems
-  # more likely that the package path will change during the development
-  # process)
-  pkg_path <- find.package(package)
-
-  # First look in inst/
-  files_inst <- file.path(pkg_path, "inst", ...)
-  present_inst <- file.exists(files_inst)
-
-  # For any files that weren't present in inst/, look in the base path
-  files_top <- file.path(pkg_path, ...)
-  present_top <- file.exists(files_top)
-
-  # Merge them together. Here are the different possible conditions, and the
-  # desired result. NULL means to drop that element from the result.
-  #
-  # files_inst:   /inst/A  /inst/B  /inst/C  /inst/D
-  # present_inst:    T        T        F        F
-  # files_top:      /A       /B       /C       /D
-  # present_top:     T        F        T        F
-  # result:       /inst/A  /inst/B    /C       NULL
-  #
-  files <- files_top
-  files[present_inst] <- files_inst[present_inst]
-  # Drop cases where not present in either location
-  files <- files[present_inst | present_top]
-  if (length(files) == 0) {
-    return("")
-  }
-  # Make sure backslashes are replaced with slashes on Windows
-  normalizePath(files, winslash = "/")
-}
-
-# A wrapper for `system.file()`, which caches the results, because
-# `system.file()` can be slow. Note that because of caching, if
-# `system_file_cached()` is called on a package that isn't installed, then the
-# package is installed, and then `system_file_cached()` is called again, it will
-# still return "".
-system_file_cached <- local({
-  pkg_dir_cache <- character()
-
-  function(..., package = "base") {
-    if (!is.null(names(list(...)))) {
-      stop("All arguments other than `package` must be unnamed.")
-    }
-
-    not_cached <- is.na(match(package, names(pkg_dir_cache)))
-    if (not_cached) {
-      pkg_dir <- system.file(package = package)
-      pkg_dir_cache[[package]] <<- pkg_dir
-    } else {
-      pkg_dir <- pkg_dir_cache[[package]]
-    }
-
-    file.path(pkg_dir, ...)
-  }
-})

R/utils-lang.R

@@ -51,199 +51,60 @@ formalsAndBody <- function(x) {
 }
 
 
-#' @describeIn createRenderFunction convert a quosure to a function.
-#' @param q Quosure of the expression `x`. When capturing expressions to create
-#'   your quosure, it is recommended to use [`enquo0()`] to not unquote the
-#'   object too early. See [`enquo0()`] for more details.
-#' @inheritParams installExprFunction
-#' @export
-quoToFunction <- function(
-  q,
-  label = sys.call(-1)[[1]],
-  ..stacktraceon = FALSE
-) {
-  func <- quoToSimpleFunction(as_quosure(q))
-  wrapFunctionLabel(func, updateFunctionLabel(label), ..stacktraceon = ..stacktraceon, dots = FALSE)
-}
-
-updateFunctionLabel <- function(label) {
-  badFnName <- "anonymous"
-  if (all(is.language(label))) {
-    # Prevent immediately invoked functions like as.language(a()())
-    if (is.language(label) && length(label) > 1) {
-      return(badFnName)
+# This function is to be called from functions like `reactive()`, `observe()`,
+# and the various render functions. It handles the following cases:
+# - The typical case where x is an unquoted expression, and `env` and `quoted`
+#   are not used.
+# - New-style metaprogramming cases, where rlang::inject() is used to inline a
+#   quosure into the AST, as in `inject(reactive(!!x))`.
+# - Old-style metaprogramming cases, where `env` and/or `quoted` are used.
+#
+# Much of the complexity is handling old-style metaprogramming cases. The code
+# in this function is more complicated because it needs to look at unevaluated
+# expressions in the _calling_ function. If this code were put directly in the
+# calling function, it would look like this:
+#
+# if (!missing(env) || !missing(quoted)) {
+#   deprecatedEnvQuotedMessage()
+#   if (!quoted) x <- substitute(x)
+#   x <- new_quosure(x, env)
+#
+# } else {
+#   x <- substitute(x)
+#   if (!is_quosure(x)) {
+#     x <- new_quosure(x, env = parent.frame())
+#   }
+# }
+#
+# In the future, the calling functions will not need to have the `env` and
+# `quoted` arguments -- `rlang::inject()` and quosures can be used instead.
+# Instead of using this function, `get_quosure()`, the caller can instead use
+# just the following code:
+#
+# x <- substitute(x)
+# if (!is_quosure(x)) {
+#   x <- new_quosure(x, env = parent.frame())
+# }
+#
+get_quosure <- function(x, env, quoted) {
+  if (!eval(substitute(missing(env)), parent.frame()) ||
+      !eval(substitute(missing(quoted)), parent.frame()))
+  {
+    deprecatedEnvQuotedMessage()
+    if (!quoted) {
+      x <- eval(substitute(substitute(x)), parent.frame())
     }
-    label <- deparse(label, width.cutoff = 500L)
-  }
-  label <- as.character(label)
-  # Prevent function calls that are over one line; (Assignments are hard to perform)
-    # Prevent immediately invoked functions like "a()()"
-  if (length(label) > 1 || grepl("(", label, fixed = TRUE)) {
-    return(badFnName)
-  }
-  if (label == "NULL") {
-    return(badFnName)
-  }
-  label
-}
+    x <- new_quosure(x, env)
 
-quoToSimpleFunction <- function(q) {
-  # Should not use `new_function(list(), get_expr(q), get_env(q))` as extra logic
-  # is done by rlang to convert the quosure to a function within `as_function(q)`
-  fun <- as_function(q)
+  } else {
+    x <- eval(substitute(substitute(x)), parent.frame())
 
-  # If the quosure is empty, then the returned function can not be called.
-  # https://github.com/r-lib/rlang/issues/1244
-  if (quo_is_missing(q)) {
-    fn_body(fun) <- quote({})
-  }
-
-  # `as_function()` returns a function that takes `...`. We need one that takes no
-  # args.
-  fn_fmls(fun) <- list()
-
-  fun
-}
-
-
-#' Convert an expression to a function
-#'
-#' `r lifecycle::badge("superseded")` Please use [`installExprFunction()`] for a better
-#' debugging experience (Shiny 0.8.0). If the `expr` and `quoted` parameters are not needed, please see
-#' [`quoToFunction()`] (Shiny 1.6.0).
-#'
-#' Similar to [installExprFunction()] but doesn't register debug hooks.
-#'
-#' @param expr A quoted or unquoted expression, or a quosure.
-#' @param env The desired environment for the function. Defaults to the
-#'   calling environment two steps back.
-#' @param quoted Is the expression quoted?
-#' @seealso [`installExprFunction()`] for the modern approach to converting an expression to a function
-#' @export
-#' @keywords internal
-exprToFunction <- function(expr, env = parent.frame(), quoted = FALSE) {
-  # If `expr` is a raw quosure, must say `quoted = TRUE`; (env is ignored)
-  # If `inject()` a quosure, env is ignored, and quoted should be FALSE (aka ignored).
-  # Make article of usage
-  # * (by joe)
-
-  if (!quoted) {
-    expr <- eval(substitute(substitute(expr)), parent.frame())
-  }
-  # MUST call with `quoted = TRUE` as exprToQuo() will not reach high enough
-  q <- exprToQuo(expr, env, quoted = TRUE)
-
-  # MUST call `as_function()`. Can NOT call `new_function()`
-  # rlang has custom logic for handling converting a quosure to a function
-  quoToSimpleFunction(q)
-}
-# For internal use only; External users should be using `exprToFunction()` or `installExprFunction()`
-# MUST be the exact same logic as `exprToFunction()`, but without the `quoToSimpleFunction()` call
-exprToQuo <- function(expr, env = parent.frame(), quoted = FALSE) {
-  if (!quoted) {
-    expr <- eval(substitute(substitute(expr)), parent.frame())
-  }
-  q <-
-    if (is_quosure(expr)) {
-      # inject()ed quosure
-      # do nothing
-      expr
-    } else if (is.language(expr) || rlang::is_atomic(expr) || is.null(expr)) {
-      # Most common case...
-      new_quosure(expr, env = env)
-    } else {
-      stop("Don't know how to convert '", class(expr)[1], "' to a function; a quosure or quoted expression was expected")
+    # At this point, x can be a quosure if rlang::inject() is used, but the
+    # typical case is that x is not a quosure.
+    if (!is_quosure(x)) {
+      x <- new_quosure(x, env = parent.frame(2L))
     }
-  q
-}
-
-#' @describeIn createRenderFunction converts a user's reactive `expr` into a
-#'   function that's assigned to a `name` in the `assign.env`.
-#'
-#' @param name The name the function should be given
-#' @param eval.env The desired environment for the function. Defaults to the
-#'   calling environment two steps back.
-#' @param assign.env The environment in which the function should be assigned.
-#' @param label A label for the object to be shown in the debugger. Defaults to
-#'   the name of the calling function.
-#' @param wrappedWithLabel,..stacktraceon Advanced use only. For stack manipulation purposes; see
-#'   [stacktrace()].
-#' @inheritParams exprToFunction
-#' @export
-installExprFunction <- function(expr, name, eval.env = parent.frame(2),
-                                quoted = FALSE,
-                                assign.env = parent.frame(1),
-                                label = sys.call(-1)[[1]],
-                                wrappedWithLabel = TRUE,
-                                ..stacktraceon = FALSE) {
-  if (!quoted) {
-    quoted <- TRUE
-    expr <- eval(substitute(substitute(expr)), parent.frame())
   }
 
-  func <- exprToFunction(expr, eval.env, quoted)
-  if (length(label) > 1) {
-    # Just in case the deparsed code is more complicated than we imagine. If we
-    # have a label with length > 1 it causes warnings in wrapFunctionLabel.
-    label <- paste0(label, collapse = "\n")
-  }
-  wrappedWithLabel <- isTRUE(wrappedWithLabel)
-  if (wrappedWithLabel) {
-    func <- wrapFunctionLabel(func, updateFunctionLabel(label), ..stacktraceon = ..stacktraceon, dots = FALSE)
-  }
-  assign(name, func, envir = assign.env)
-  if (!wrappedWithLabel) {
-    registerDebugHook(name, assign.env, label)
-  }
-
-  invisible(func)
-}
-
-# Utility function for creating a debugging label, given an expression.
-# `expr` is a quoted expression.
-# `function_name` is the name of the calling function.
-# `label` is an optional user-provided label. If NULL, it will be inferred.
-exprToLabel <- function(expr, function_name, label = NULL) {
-  srcref <- attr(expr, "srcref", exact = TRUE)
-  if (is.null(label)) {
-    label <- rexprSrcrefToLabel(
-      srcref[[1]],
-      simpleExprToFunction(expr, function_name)
-    )
-  }
-  if (length(srcref) >= 2) attr(label, "srcref") <- srcref[[2]]
-  attr(label, "srcfile") <- srcFileOfRef(srcref[[1]])
-  label
-}
-simpleExprToFunction <- function(expr, function_name) {
-  sprintf('%s(%s)', function_name, paste(deparse(expr), collapse='\n'))
-}
-
-installedFuncExpr <- function(func) {
-  fn_body(attr(func, "wrappedFunc", exact = TRUE))
-}
-
-funcToLabelBody <- function(func) {
-  paste(deparse(installedFuncExpr(func)), collapse='\n')
-}
-funcToLabel <- function(func, functionLabel, label = NULL) {
-  if (!is.null(label)) return(label)
-
-  sprintf(
-    '%s(%s)',
-    functionLabel,
-    funcToLabelBody(func)
-  )
-}
-quoToLabelBody <- function(q) {
-  paste(deparse(quo_get_expr(q)), collapse='\n')
-}
-quoToLabel <- function(q, functionLabel, label = NULL) {
-  if (!is.null(label)) return(label)
-
-  sprintf(
-    '%s(%s)',
-    functionLabel,
-    quoToLabelBody(q)
-  )
+  x
 }

R/utils.R

@@ -2,11 +2,6 @@
 #' @include map.R
 NULL
 
-# @staticimports pkg:staticimports
-#   is_installed get_package_version system_file
-#   s3_register register_upgrade_message
-#   any_named any_unnamed
-
 #' Make a random number generator repeatable
 #'
 #' Given a function that generates random data, returns a wrapped version of
@@ -131,6 +126,34 @@ dropNullsOrEmpty <- function(x) {
   x[!vapply(x, nullOrEmpty, FUN.VALUE=logical(1))]
 }
 
+# Given a vector/list, return TRUE if any elements are named, FALSE otherwise.
+anyNamed <- function(x) {
+  # Zero-length vector
+  if (length(x) == 0) return(FALSE)
+
+  nms <- names(x)
+
+  # List with no name attribute
+  if (is.null(nms)) return(FALSE)
+
+  # List with name attribute; check for any ""
+  any(nzchar(nms))
+}
+
+# Given a vector/list, return TRUE if any elements are unnamed, FALSE otherwise.
+anyUnnamed <- function(x) {
+  # Zero-length vector
+  if (length(x) == 0) return(FALSE)
+
+  nms <- names(x)
+
+  # List with no name attribute
+  if (is.null(nms)) return(TRUE)
+
+  # List with name attribute; check for any ""
+  any(!nzchar(nms))
+}
+
 
 # Given a vector/list, returns a named vector/list (the labels will be blank).
 asNamed <- function(x) {
@@ -150,7 +173,7 @@ empty_named_list <- function() {
 # name as elements in a, the element in a is dropped. Also, if there are any
 # duplicated names in a or b, only the last one with that name is kept.
 mergeVectors <- function(a, b) {
-  if (any_unnamed(a) || any_unnamed(b)) {
+  if (anyUnnamed(a) || anyUnnamed(b)) {
     stop("Vectors must be either NULL or have names for all elements")
   }
 
@@ -162,27 +185,15 @@ mergeVectors <- function(a, b) {
 # Sort a vector by the names of items. If there are multiple items with the
 # same name, preserve the original order of those items. For empty
 # vectors/lists/NULL, return the original value.
-sortByName <- function(x, method = "auto") {
-  if (any_unnamed(x))
+sortByName <- function(x) {
+  if (anyUnnamed(x))
     stop("All items must be named")
 
   # Special case for empty vectors/lists, and NULL
   if (length(x) == 0)
     return(x)
 
-  # Must provide consistent sort order
-  #  https://github.com/rstudio/shinytest/issues/409
-  # Using a flag in the snapshot url to determine the method
-  # `method="radix"` uses `C` locale, which is consistent across platforms
-  # Even if two platforms share `en_us.UTF-8`, they may not sort consistently
-  #  https://blog.zhimingwang.org/macos-lc_collate-hunt
-  #  (macOS) $ LC_ALL=en_US.UTF-8 sort <<<$'python-dev\npython3-dev'
-  #  python-dev
-  #  python3-dev
-  #  (Linux) $ LC_ALL=en_US.UTF-8 sort <<<$'python-dev\npython3-dev'
-  #  python3-dev
-  #  python-dev
-  x[order(names(x), method = method)]
+  x[order(names(x))]
 }
 
 # Sort a vector. If a character vector, sort using C locale, which is consistent
@@ -393,6 +404,164 @@ getContentType <- function(file, defaultType = 'application/octet-stream') {
   mime::guess_type(file, unknown = defaultType, subtype = subtype)
 }
 
+# Create a zero-arg function from a quoted expression and environment
+# @examples
+# makeFunction(body=quote(print(3)))
+makeFunction <- function(args = pairlist(), body, env = parent.frame()) {
+  eval(call("function", args, body), env)
+}
+
+#' Convert an expression to a function
+#'
+#' This is to be called from another function, because it will attempt to get
+#' an unquoted expression from two calls back. Note: as of Shiny 1.6.0, it is
+#' recommended to use [quoToFunction()] instead.
+#'
+#' If expr is a quoted expression, then this just converts it to a function.
+#' If expr is a function, then this simply returns expr (and prints a
+#'   deprecation message).
+#' If expr was a non-quoted expression from two calls back, then this will
+#'   quote the original expression and convert it to a function.
+#
+#' @param expr A quoted or unquoted expression, or a function.
+#' @param env The desired environment for the function. Defaults to the
+#'   calling environment two steps back.
+#' @param quoted Is the expression quoted?
+#'
+#' @examples
+#' # Example of a new renderer, similar to renderText
+#' # This is something that toolkit authors will do
+#' renderTriple <- function(expr, env=parent.frame(), quoted=FALSE) {
+#'   # Convert expr to a function
+#'   func <- shiny::exprToFunction(expr, env, quoted)
+#'
+#'   function() {
+#'     value <- func()
+#'     paste(rep(value, 3), collapse=", ")
+#'   }
+#' }
+#'
+#'
+#' # Example of using the renderer.
+#' # This is something that app authors will do.
+#' values <- reactiveValues(A="text")
+#'
+#' \dontrun{
+#' # Create an output object
+#' output$tripleA <- renderTriple({
+#'   values$A
+#' })
+#' }
+#'
+#' # At the R console, you can experiment with the renderer using isolate()
+#' tripleA <- renderTriple({
+#'   values$A
+#' })
+#'
+#' isolate(tripleA())
+#' # "text, text, text"
+#' @export
+exprToFunction <- function(expr, env=parent.frame(), quoted=FALSE) {
+  if (!quoted) {
+    expr <- eval(substitute(substitute(expr)), parent.frame())
+  }
+
+  # expr is a quoted expression
+  makeFunction(body=expr, env=env)
+}
+
+#' Install an expression as a function
+#'
+#' Installs an expression in the given environment as a function, and registers
+#' debug hooks so that breakpoints may be set in the function. Note: as of
+#' Shiny 1.6.0, it is recommended to use [quoToFunction()] instead.
+#'
+#' This function can replace `exprToFunction` as follows: we may use
+#' `func <- exprToFunction(expr)` if we do not want the debug hooks, or
+#' `installExprFunction(expr, "func")` if we do. Both approaches create a
+#' function named `func` in the current environment.
+#'
+#' @seealso Wraps [exprToFunction()]; see that method's documentation
+#'   for more documentation and examples.
+#'
+#' @param expr A quoted or unquoted expression
+#' @param name The name the function should be given
+#' @param eval.env The desired environment for the function. Defaults to the
+#'   calling environment two steps back.
+#' @param quoted Is the expression quoted?
+#' @param assign.env The environment in which the function should be assigned.
+#' @param label A label for the object to be shown in the debugger. Defaults to
+#'   the name of the calling function.
+#' @param wrappedWithLabel,..stacktraceon Advanced use only. For stack manipulation purposes; see
+#'   [stacktrace()].
+#' @export
+installExprFunction <- function(expr, name, eval.env = parent.frame(2),
+                                quoted = FALSE,
+                                assign.env = parent.frame(1),
+                                label = deparse(sys.call(-1)[[1]]),
+                                wrappedWithLabel = TRUE,
+                                ..stacktraceon = FALSE) {
+  if (!quoted) {
+    quoted <- TRUE
+    expr <- eval(substitute(substitute(expr)), parent.frame())
+  }
+
+  func <- exprToFunction(expr, eval.env, quoted)
+  if (length(label) > 1) {
+    # Just in case the deparsed code is more complicated than we imagine. If we
+    # have a label with length > 1 it causes warnings in wrapFunctionLabel.
+    label <- paste0(label, collapse = "\n")
+  }
+  if (wrappedWithLabel) {
+    func <- wrapFunctionLabel(func, label, ..stacktraceon = ..stacktraceon)
+  } else {
+    registerDebugHook(name, assign.env, label)
+  }
+  assign(name, func, envir = assign.env)
+}
+
+#' Convert a quosure to a function for a Shiny render function
+#'
+#' This takes a quosure and label, and wraps them into a function that should be
+#' passed to [createRenderFunction()] or [markRenderFunction()].
+#'
+#' This function was added in Shiny 1.6.0. Previously, it was recommended to use
+#' [installExprFunction()] or [exprToFunction()] in render functions, but now we
+#' recommend using [quoToFunction()], because it does not require `env` and
+#' `quoted` arguments -- that information is captured by quosures provided by
+#' \pkg{rlang}.
+#'
+#' @param q A quosure.
+#' @inheritParams installExprFunction
+#' @seealso [createRenderFunction()] for example usage.
+#'
+#' @export
+quoToFunction <- function(q, label, ..stacktraceon = FALSE) {
+  q <- as_quosure(q)
+  # Use new_function() instead of as_function(), because as_function() adds an
+  # extra parent environment. (This may not actually be a problem, though.)
+  func <- new_function(NULL, get_expr(q), get_env(q))
+  wrapFunctionLabel(func, label, ..stacktraceon = ..stacktraceon)
+}
+
+
+# Utility function for creating a debugging label, given an expression.
+# `expr` is a quoted expression.
+# `function_name` is the name of the calling function.
+# `label` is an optional user-provided label. If NULL, it will be inferred.
+exprToLabel <- function(expr, function_name, label = NULL) {
+  srcref <- attr(expr, "srcref", exact = TRUE)
+  if (is.null(label)) {
+    label <- rexprSrcrefToLabel(
+      srcref[[1]],
+      sprintf('%s(%s)', function_name, paste(deparse(expr), collapse = '\n'))
+    )
+  }
+  if (length(srcref) >= 2) attr(label, "srcref") <- srcref[[2]]
+  attr(label, "srcfile") <- srcFileOfRef(srcref[[1]])
+  label
+}
+
 #' Parse a GET query string from a URL
 #'
 #' Returns a named list of key-value pairs.
@@ -484,7 +653,7 @@ shinyCallingHandlers <- function(expr) {
   withCallingHandlers(captureStackTraces(expr),
     error = function(e) {
       # Don't intercept shiny.silent.error (i.e. validation errors)
-      if (cnd_inherits(e, "shiny.silent.error"))
+      if (inherits(e, "shiny.silent.error"))
         return()
 
       handle <- getOption('shiny.error')
@@ -989,7 +1158,7 @@ reactiveStop <- function(message = "", class = NULL) {
 #'
 #' ui <- fluidPage(
 #'   checkboxGroupInput('in1', 'Check some letters', choices = head(LETTERS)),
-#'   selectizeInput('in2', 'Select a state', choices = c("", state.name)),
+#'   selectizeInput('in2', 'Select a state', choices = state.name),
 #'   plotOutput('plot')
 #' )
 #'
@@ -1427,31 +1596,21 @@ dateYMD <- function(date = NULL, argName = "value") {
 # function which calls the original function using the specified name. This can
 # be helpful for profiling, because the specified name will show up on the stack
 # trace.
-wrapFunctionLabel <- function(func, name, ..stacktraceon = FALSE, dots = TRUE) {
+wrapFunctionLabel <- function(func, name, ..stacktraceon = FALSE) {
   if (name == "name" || name == "func" || name == "relabelWrapper") {
     stop("Invalid name for wrapFunctionLabel: ", name)
   }
   assign(name, func, environment())
   registerDebugHook(name, environment(), name)
 
-  if (isTRUE(dots)) {
-    if (..stacktraceon) {
-      # We need to wrap the `...` in `!!quote(...)` so that R CMD check won't
-      # complain about "... may be used in an incorrect context"
-      body <- expr({ ..stacktraceon..((!!name)(!!quote(...))) })
-    } else {
-      body <- expr({ (!!name)(!!quote(...)) })
-    }
-    relabelWrapper <- new_function(pairlist2(... =), body, environment())
+  if (..stacktraceon) {
+    # We need to wrap the `...` in `!!quote(...)` so that R CMD check won't
+    # complain about "... may be used in an incorrect context"
+    body <- expr({ ..stacktraceon..((!!name)(!!quote(...))) })
   } else {
-    # Same logic as when `dots = TRUE`, but without the `...`
-    if (..stacktraceon) {
-      body <- expr({ ..stacktraceon..((!!name)()) })
-    } else {
-      body <- expr({ (!!name)() })
-    }
-    relabelWrapper <- new_function(list(), body, environment())
+    body <- expr({ (!!name)(!!quote(...)) })
   }
+  relabelWrapper <- new_function(pairlist2(... =), body, environment())
 
   # Preserve the original function that was passed in; is used for caching.
   attr(relabelWrapper, "wrappedFunc") <- func
@@ -1705,20 +1864,24 @@ findEnclosingApp <- function(path = ".") {
   }
 }
 
-# Until `rlang::cnd_inherits()` is on CRAN
-cnd_inherits <- function(cnd, class) {
-  cnd_some(cnd, ~ inherits(.x, class))
-}
-cnd_some <- function(.cnd, .p, ...) {
-  .p <- rlang::as_function(.p)
-
-  while (rlang::is_condition(.cnd)) {
-    if (.p(.cnd, ...)) {
-      return(TRUE)
-    }
-
-    .cnd <- .cnd$parent
+# Check if a package is installed, and if version is specified,
+# that we have at least that version
+is_available <- function(package, version = NULL) {
+  installed <- nzchar(system.file(package = package))
+  if (is.null(version)) {
+    return(installed)
   }
-
-  FALSE
+  installed && isTRUE(utils::packageVersion(package) >= version)
 }
+
+
+# cached version of utils::packageVersion("shiny")
+shinyPackageVersion <- local({
+  version <- NULL
+  function() {
+    if (is.null(version)) {
+      version <<- utils::packageVersion("shiny")
+    }
+    version
+  }
+})

R/version_bs_date_picker.R

@@ -1,2 +0,0 @@
-# Generated by tools/updateBootstrapDatepicker.R; do not edit by hand
-version_bs_date_picker <- "1.9.0"

R/version_ion_range_slider.R

@@ -1,2 +0,0 @@
-# Generated by tools/updateIonRangeSlider.R; do not edit by hand
-version_ion_range_slider <- "2.3.1"

R/version_selectize.R

@@ -1,2 +0,0 @@
-# Generated by tools/updateSelectize.R; do not edit by hand
-version_selectize <- "0.12.4"

R/version_strftime.R

@@ -1,2 +0,0 @@
-# Generated by tools/updateStrftime.R; do not edit by hand
-version_strftime <- "0.9.2"

README.md

@@ -2,7 +2,7 @@
 
 <!-- badges: start -->
 [![CRAN](https://www.r-pkg.org/badges/version/shiny)](https://CRAN.R-project.org/package=shiny)
-[![R build status](https://github.com/rstudio/shiny/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/rstudio/shiny/actions)
+[![R build status](https://github.com/rstudio/shiny/workflows/R-CMD-check/badge.svg)](https://github.com/rstudio/shiny/actions)
 [![RStudio community](https://img.shields.io/badge/community-shiny-blue?style=social&logo=rstudio&logoColor=75AADB)](https://community.rstudio.com/new-topic?category=shiny&tags=shiny)
 
 <!-- badges: end -->
@@ -16,7 +16,7 @@ Easily build rich and productive interactive web apps in R &mdash; no HTML/CSS/J
 * A prebuilt set of highly sophisticated, customizable, and easy-to-use widgets (e.g., plots, tables, sliders, dropdowns, date pickers, and more).
 * An attractive default look based on [Bootstrap](https://getbootstrap.com/) which can also be easily customized with the [bslib](https://github.com/rstudio/bslib) package or avoided entirely with more direct R bindings to HTML/CSS/JavaScript.
 * Seamless integration with [R Markdown](https://shiny.rstudio.com/articles/interactive-docs.html), making it easy to embed numerous applications natively within a larger dynamic document.
-* Tools for improving and monitoring performance, including native support for [async programming](https://www.rstudio.com/blog/shiny-1-1-0/), [caching](https://talks.cpsievert.me/20201117), [load testing](https://rstudio.github.io/shinyloadtest/), and more.
+* Tools for improving and monitoring performance, including native support for [async programming](https://blog.rstudio.com/2018/06/26/shiny-1-1-0/), [caching](https://talks.cpsievert.me/20201117), [load testing](https://rstudio.github.io/shinyloadtest/), and [more](https://support.rstudio.com/hc/en-us/articles/231874748-Scaling-and-Performance-Tuning-in-RStudio-Connect).
 * [Modules](https://shiny.rstudio.com/articles/modules.html): a framework for reducing code duplication and complexity.
 * An ability to [bookmark application state](https://shiny.rstudio.com/articles/bookmarking-state.html) and/or [generate code to reproduce output(s)](https://github.com/rstudio/shinymeta).
 * A rich ecosystem of extension packages for more [custom widgets](http://www.htmlwidgets.org/), [input validation](https://github.com/rstudio/shinyvalidate), [unit testing](https://github.com/rstudio/shinytest), and more.
@@ -47,18 +47,14 @@ For help with learning fundamental Shiny programming concepts, check out the [Ma
 
 ## Getting Help
 
-To ask a question about Shiny, please use the [RStudio Community website](https://community.rstudio.com/new-topic?category=shiny&tags=shiny).
+To ask a question about Shiny, please use the [RStudio Community website](https://community.rstudio.com/new-topic?category=shiny&tags=shiny). 
 
-For bug reports, please use the [issue tracker](https://github.com/rstudio/shiny/issues) and also keep in mind that by [writing a good bug report](https://github.com/rstudio/shiny/wiki/Writing-Good-Bug-Reports), you're more likely to get help with your problem.
+For bug reports, please use the [issue tracker](https://github.com/rstudio/shiny/issues) and also keep in mind that by [writing a good bug report](https://github.com/rstudio/shiny/wiki/Writing-Good-Bug-Reports), you're more likely to get help with your problem. 
 
 ## Contributing
 
-We welcome contributions to the **shiny** package. Please see our [CONTRIBUTING.md](https://github.com/rstudio/shiny/blob/main/.github/CONTRIBUTING.md) file for detailed guidelines of how to contribute.
+We welcome contributions to the **shiny** package. Please see our [CONTRIBUTING.md](https://github.com/rstudio/shiny/blob/master/.github/CONTRIBUTING.md) file for detailed guidelines of how to contribute.
 
 ## License
 
 The shiny package as a whole is licensed under the GPLv3. See the [LICENSE](LICENSE) file for more details.
-
-## R version support
-
-Shiny is supported on the latest release version of R, as well as the previous four minor release versions of R. For example, if the latest release R version is 4.1, then that version is supported, as well as 4.0, 3.6, 3.5, and 3.4.

inst/app_template/tests/shinytest.R

@@ -0,0 +1,2 @@
+library(shinytest)
+expect_pass(testApp("../", suffix = osName()))

inst/app_template/tests/shinytest/mytest.R

@@ -0,0 +1,12 @@
+app <- ShinyDriver$new("../../")
+app$snapshotInit("mytest")
+
+app$snapshot()
+{{
+if (isTRUE(module)) {
+'
+app$setInputs(`examplemodule1-button` = "click")
+app$setInputs(`examplemodule1-button` = "click")
+app$snapshot()'
+}
+}}

inst/app_template/tests/testthat.R

@@ -1 +1,9 @@
-shinytest2::test_app()
+library(testthat)
+
+test_dir(
+  "./testthat",
+  # Run in the app's environment containing all support methods.
+  env = shiny::loadSupport(),
+  # Display the regular progress output and throw an error if any test error is found
+  reporter = c("progress", "fail")
+)

inst/app_template/tests/testthat/setup-shinytest2.R

@@ -1,2 +0,0 @@
-# Load application support files into testing environment
-shinytest2::load_app_env()

inst/app_template/tests/testthat/test-server.R

@@ -14,4 +14,5 @@ if (isTRUE(rdir)) {
   expect_equal(output$sequence, "1 2 3 4 5 6 7 8 9 10 11 12")
 '
 }
-}}})
+}}
+})

inst/app_template/tests/testthat/test-shinytest2.R

@@ -1,18 +0,0 @@
-library(shinytest2)
-
-test_that("Initial snapshot values are consistent", {
-  app <- AppDriver$new(name = "init")
-  app$expect_values()
-}){{
-if (isTRUE(module)) {
-HTML('
-
-
-test_that("Module values are consistent", {
-  app <- AppDriver$new(name = "mod")
-  app$click("examplemodule1-button")
-  app$click("examplemodule1-button")
-  app$expect_values()
-})')
-}
-}}

inst/www/shared/fontawesome/webfonts/fa-regular-400.svg

@@ -0,0 +1,801 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">
+<metadata>
+Created by FontForge 20200314 at Wed Jan 13 11:57:54 2021
+ By Robert Madole
+Copyright (c) Font Awesome
+</metadata>
+<!-- Font Awesome Free 5.15.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) --><defs>
+<font id="FontAwesome5Free-Regular" horiz-adv-x="512" >
+  <font-face 
+    font-family="Font Awesome 5 Free Regular"
+    font-weight="400"
+    font-stretch="normal"
+    units-per-em="512"
+    panose-1="2 0 5 3 0 0 0 0 0 0"
+    ascent="448"
+    descent="-64"
+    bbox="-0.0663408 -64.0662 640.004 448.1"
+    underline-thickness="25"
+    underline-position="-50"
+    unicode-range="U+0020-F5C8"
+  />
+    <missing-glyph />
+    <glyph glyph-name="heart" unicode="&#xf004;" 
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+  </font>
+</defs></svg>

inst/www/shared/ionrangeslider/css/ion.rangeSlider.css

@@ -13,13 +13,8 @@
   -moz-user-select: none;
   -ms-user-select: none;
   user-select: none;
-  /* https://github.com/rstudio/shiny/issues/3443 */
-  /* https://css-tricks.com/inheriting-box-sizing-probably-slightly-better-best-practice/ */
-  box-sizing: border-box;
-}
-
-.irs *, .irs *:before, .irs *:after {
-  box-sizing: inherit;
+  font-size: 12px;
+  font-family: Arial, sans-serif;
 }
 
 .irs-line {
@@ -97,6 +92,7 @@
   left: 0;
   width: 1px;
   height: 8px;
+  background: #000;
 }
 
 .irs-grid-pol.small {
@@ -112,6 +108,7 @@
   font-size: 9px;
   line-height: 9px;
   padding: 0 3px;
+  color: #000;
 }
 
 .irs-disable-mask {
@@ -156,7 +153,7 @@
 }
 
 .irs {
-  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-family: Arial, sans-serif;
 }
 
 .irs--shiny {
@@ -170,7 +167,7 @@
 .irs--shiny .irs-line {
   top: 25px;
   height: 8px;
-  background: linear-gradient(to bottom, #dedede -50%, #fff 150%);
+  background: linear-gradient(to bottom, #dedede -50%, white 150%);
   background-color: #ededed;
   border: 1px solid #cccccc;
   border-radius: 8px;
@@ -210,13 +207,14 @@
 }
 
 .irs--shiny .irs-handle.state_hover, .irs--shiny .irs-handle:hover {
-  background: #fff;
+  background: white;
 }
 
 .irs--shiny .irs-min,
 .irs--shiny .irs-max {
   top: 0;
   padding: 1px 3px;
+  color: #333333;
   text-shadow: none;
   background-color: rgba(0, 0, 0, 0.1);
   border-radius: 3px;
@@ -252,11 +250,12 @@
 }
 
 .irs--shiny .irs-grid-pol {
-  background-color: #000;
+  background-color: black;
 }
 
 .irs--shiny .irs-grid-text {
   bottom: 5px;
+  color: #1a1a1a;
 }
 
 .irs--shiny .irs-grid-pol.small {

inst/www/shared/ionrangeslider/scss/_base.scss

@@ -4,12 +4,8 @@
     @include pos-r();
     -webkit-touch-callout: none;
     @include no-click();
-    /* https://github.com/rstudio/shiny/issues/3443 */
-    /* https://css-tricks.com/inheriting-box-sizing-probably-slightly-better-best-practice/ */
-    box-sizing: border-box;
-    *, *:before, *:after {
-      box-sizing: inherit;
-    }
+    font-size: 12px;
+    font-family: Arial, sans-serif;
 
     &-line {
         @include pos-r();
@@ -87,6 +83,7 @@
             left: 0;
             width: 1px;
             height: 8px;
+            background: #000;
 
             &.small {
                 height: 4px;
@@ -102,6 +99,7 @@
             font-size: 9px;
             line-height: 9px;
             padding: 0 3px;
+            color: #000;
         }
     }
 

inst/www/shared/ionrangeslider/scss/shiny.scss

@@ -19,7 +19,8 @@
 
 ////////////////////////////////////////////////////////////////////////////
 
-$font-family: $font-family-base !default;
+// Re-define font-family on .irs to make it configurable
+$font-family: Arial, sans-serif !default;
 .irs {
   font-family: $font-family;
 }
@@ -35,8 +36,8 @@ $font-family: $font-family-base !default;
   $custom_radius: 3px !default;
 
   // "High-level" coloring
-  $bg:     $body-bg !default;
-  $fg:     color-contrast($body-bg) !default;
+  $bg:     white !default;
+  $fg:     black !default;
   $accent: #428bca !default;
 
   // "Low-level" coloring, borders, and fonts
@@ -51,7 +52,7 @@ $font-family: $font-family-base !default;
   $handle_border:      1px solid mix($bg, $fg, 67%) !default;
   $handle_box_shadow:  1px 1px 3px rgba($bg, 0.3) !default;
 
-  $minmax_text_color:  null !default;
+  $minmax_text_color:  mix($bg, $fg, 20%) !default;
   $minmax_bg_color:    rgba($fg, 0.1) !default;
   $minmax_font_size:   10px !default;
   $minmax_line_height: 1.333 !default;
@@ -63,7 +64,7 @@ $font-family: $font-family-base !default;
 
   $grid_major_color:  $fg !default;
   $grid_minor_color:  mix($bg, $fg, 60%) !default;
-  $grid_text_color:   null !default;
+  $grid_text_color:   mix($bg, $fg, 10%) !default;
 
 
   height: 40px;

inst/www/shared/navtree/navtree.css

@@ -0,0 +1,50 @@
+.nav-navtree {
+  display: block !important;
+}
+
+.nav-navtree li.active, .nav-navtree li > a.active, .nav-navtree li a:focus {
+  font-weight: 600;
+  background-color: rgba(0, 123, 255, 0.3) !important;
+  color: rgba(33, 37, 41, 0.85);
+}
+
+.nav-navtree li:not(.active) > a:not(.active):hover {
+  background-color: rgba(33, 37, 41, 0.1);
+}
+
+.nav-navtree li a {
+  display: inline-flex !important;
+  align-items: center !important;
+  width: 100% !important;
+  padding: .1875rem .5rem;
+  border: 1px solid #dee2e6 !important;
+  color: rgba(33, 37, 41, 0.65) !important;
+  text-decoration: none !important;
+}
+
+.nav-navtree li a i {
+  padding-right: 1.25rem !important;
+}
+
+.nav-navtree li a[data-toggle="collapse"]::before {
+  width: 1.25em;
+  line-height: 0;
+  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%2833, 37, 41, 0.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
+  transition: transform 0.35s ease;
+  transform-origin: .5em 50%;
+  padding-right: 1rem;
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .nav-navtree li a[data-toggle="collapse"]::before {
+    transition: none;
+  }
+}
+
+.nav-navtree li a[data-toggle="collapse"]:not(.collapsed) {
+  color: rgba(33, 37, 41, 0.85);
+}
+
+.nav-navtree li a[data-toggle="collapse"]:not(.collapsed)::before {
+  transform: rotate(90deg);
+}

inst/www/shared/navtree/navtree.js

@@ -0,0 +1,11 @@
+// nav-navtree is built on a combination of Bootstrap's tab &
+// collapse components, but the tab component isn't smart enough to
+// know about the deactive when are activated. Note that this logic also
+// exists in input_binding_tabinput.js and is repeated here in case this
+// component wants to be statically rendered
+$(document).on("shown.bs.tab", ".nav-navtree", function(e) {
+  var tgt = $(e.target);
+  var nav =  tgt.parents(".nav-navtree");
+  nav.find("li").not(tgt).removeClass("active"); // BS3
+  nav.find("li > a").not(tgt).removeClass("active"); // BS4
+});