mirror of
https://github.com/meteor/meteor.git
synced 2026-05-02 03:01:46 -04:00
6f75eae135
This polyfill is unnecessary in Node, and added a whopping 22KB to the
minified client bundle. If you really need the Buffer API on the client,
you can get it from require("buffer").Buffer.
479 lines
13 KiB
JavaScript
479 lines
13 KiB
JavaScript
import assert from "assert";
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import fs from "fs";
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import path from "path";
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import moment from "moment";
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import shared from "./imports/shared";
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import { Meteor as ImportedMeteor } from "meteor/meteor";
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describe("app modules", () => {
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it("can be imported using absolute identifiers", () => {
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assert.strictEqual(require("/tests"), exports);
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});
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it("can have different file extensions", () => {
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assert.strictEqual(
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require("./eager-jsx").extension,
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".jsx"
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);
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assert.strictEqual(
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require("./eager-coffee").extension,
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".coffee"
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);
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assert.strictEqual(
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require("/eager-jsx").extension,
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".jsx"
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);
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assert.strictEqual(
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require("/eager-coffee").extension,
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".coffee"
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);
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});
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it("are eagerly evaluated if outside imports/", () => {
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assert.strictEqual(shared["/eager-jsx.jsx"], "eager jsx");
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assert.strictEqual(shared["/eager-coffee.coffee.js"], "eager coffee");
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});
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it("are lazily evaluated if inside imports/", (done) => {
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const delayMs = 200;
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setTimeout(() => {
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assert.strictEqual(shared["/imports/lazy1.js"], void 0);
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assert.strictEqual(shared["/imports/lazy2.js"], void 0);
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var reset1 = require("./imports/lazy1").reset;
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assert.strictEqual(shared["/imports/lazy1.js"], 1);
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assert.strictEqual(shared["/imports/lazy2.js"], 2);
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// Make sure this test can run again without starting a new process.
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require("./imports/lazy2").reset();
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reset1();
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done();
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}, delayMs);
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});
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it("cannot import server modules on client", () => {
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let error;
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let result;
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try {
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result = require("./server/only").default;
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} catch (expectedOnClient) {
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error = expectedOnClient;
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}
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if (Meteor.isServer) {
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assert.strictEqual(typeof error, "undefined");
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assert.strictEqual(result, "/server/only.js");
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assert.strictEqual(require("./server/only"),
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require("/server/only"));
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}
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if (Meteor.isClient) {
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assert.ok(error instanceof Error);
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}
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});
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it("cannot import client modules on server", () => {
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let error;
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let result;
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try {
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result = require("./client/only").default;
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} catch (expectedOnServer) {
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error = expectedOnServer;
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}
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if (Meteor.isClient) {
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assert.strictEqual(typeof error, "undefined");
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assert.strictEqual(result, "/client/only.js");
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assert.strictEqual(require("./client/only"),
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require("/client/only"));
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}
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if (Meteor.isServer) {
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assert.ok(error instanceof Error);
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}
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});
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it("should not be parsed in strictMode", () => {
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let foo = 1234;
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delete foo;
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});
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it("should have access to filename and dirname", () => {
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assert.strictEqual(require(__filename), exports);
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assert.strictEqual(
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require("path").relative(__dirname, __filename),
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"tests.js"
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);
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});
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it("can be implemented by directories", () => {
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assert.strictEqual(
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require("./imports/dir").fellBackTo,
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"/imports/dir/index.js"
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);
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});
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});
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describe("template modules", () => {
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Meteor.isClient &&
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it("should be importable on the client", () => {
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assert.strictEqual(typeof Template, "function");
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assert.ok(! _.has(Template, "lazy"));
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require("./imports/lazy.html");
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assert.ok(_.has(Template, "lazy"));
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assert.ok(Template.lazy instanceof Template);
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});
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Meteor.isServer &&
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it("should not be importable on the server", () => {
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let error;
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try {
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require("./imports/lazy.html");
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} catch (expected) {
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error = expected;
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}
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assert.ok(error instanceof Error);
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});
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});
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Meteor.isClient &&
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describe("css modules", () => {
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it("should be loaded eagerly unless lazy", () => {
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assert.strictEqual(
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$(".app-eager-css").css("display"),
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"none"
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);
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// Eager CSS is added unconditionally to a combined <style> tag at the
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// beginning of the <head>. If the corresponding module ever gets
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// imported, its module.exports object should be an empty stub, rather
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// than a <style> node added dynamically to the <head>.
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assert.deepEqual(Object.keys(require("./eager.css")), []);
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});
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it("should be importable by an app", () => {
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assert.strictEqual($(".app-lazy-css").css("padding"), "0px");
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require("./imports/lazy.css");
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assert.strictEqual($(".app-lazy-css").css("padding"), "10px");
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});
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it("should be importable by a package", () => {
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assert.strictEqual(
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$(".pkg-lazy-css.imported").css("padding"),
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"0px"
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);
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assert.strictEqual(
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$(".pkg-lazy-css.not-imported").css("padding"),
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"0px"
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);
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// Since client.js is a lazy main module, its side effects don't
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// happen until we import it for the first time (here).
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require("meteor/modules-test-package/client.js");
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assert.strictEqual(
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$(".pkg-lazy-css.imported").css("padding"),
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"20px"
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);
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assert.strictEqual(
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$(".pkg-lazy-css.not-imported").css("padding"),
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"0px"
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);
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});
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});
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describe("native node_modules", () => {
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Meteor.isServer &&
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it("can be imported on the server", () => {
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assert.strictEqual(typeof require("fs").readFile, "function");
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});
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Meteor.isClient &&
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it("are imported as stubs on the client", () => {
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const inherits = require("util").inherits;
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assert.strictEqual(typeof inherits, "function");
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});
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Meteor.isServer &&
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it("cannot be overridden on the server", () => {
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assert.strictEqual(typeof require("repl").start, "function");
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});
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Meteor.isClient &&
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it("can be overridden on the client", () => {
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assert.strictEqual(require("repl").notEmpty, true);
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});
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it("can be implemented by wrapper npm packages", () => {
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if (! global.Buffer) {
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global.Buffer = require("buffer").Buffer;
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}
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const Stream = require("stream");
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assert.strictEqual(typeof Stream, "function");
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assert.strictEqual(typeof Stream.Readable, "function");
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});
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it("can all be imported", () => {
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if (! global.Buffer) {
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global.Buffer = require("buffer").Buffer;
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}
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require("_stream_duplex");
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require("_stream_passthrough");
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require("_stream_readable");
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require("_stream_transform");
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require("_stream_writable");
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require("assert");
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require("buffer");
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require("child_process");
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require("cluster");
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require("console");
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require("constants");
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require("crypto");
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require("dgram");
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require("dns");
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require("domain");
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require("events");
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require("fs");
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require("http");
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require("https");
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require("module");
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require("net");
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require("os");
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require("path");
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require("process");
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require("punycode");
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require("querystring");
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require("readline");
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require("repl");
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require("stream");
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require("string_decoder");
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require("sys");
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require("timers");
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require("tls");
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require("tty");
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require("url");
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require("util");
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require("vm");
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require("zlib");
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});
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});
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describe("local node_modules", () => {
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it("should be importable", () => {
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assert.strictEqual(require("moment"), moment);
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const cal = moment().calendar();
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assert.ok(cal.match(/\bat\b/));
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});
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it("can be imported using absolute identifiers", () => {
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assert.strictEqual(
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require("moment"),
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require("/node_modules/moment")
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);
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});
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it("should be importable by packages", () => {
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// Defined in packages/modules-test-package/common.js.
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assert.strictEqual(typeof regeneratorRuntime, "object");
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});
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it('should expose "version" field of package.json', () => {
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const pkg = require("moment/package.json");
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assert.strictEqual(pkg.version, "2.11.1");
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});
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});
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describe("Meteor packages", () => {
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it("api.export should create named exports", () => {
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assert.strictEqual(typeof ImportedMeteor, "object");
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assert.strictEqual(Meteor, ImportedMeteor);
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});
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it("should be importable", () => {
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assert.strictEqual(require("meteor/underscore")._, _);
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const Blaze = require("meteor/blaze").Blaze;
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assert.strictEqual(typeof Blaze, "object");
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let error;
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try {
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require("meteor/nonexistent");
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} catch (expected) {
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error = expected;
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}
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assert.ok(error instanceof Error);
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});
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it("can be local", () => {
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// ModulesTestPackage is only api.export-ed on the server.
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if (Meteor.isServer) {
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assert.strictEqual(ModulesTestPackage, "loaded");
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}
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if (Meteor.isClient) {
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assert.strictEqual(typeof ModulesTestPackage, "undefined");
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}
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// But it is importable by both client and server.
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const mtp = require("meteor/modules-test-package");
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assert.strictEqual(mtp.ModulesTestPackage, "loaded");
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assert.strictEqual(mtp.where, Meteor.isServer ? "server" : "client");
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});
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it("should expose their files for import", () => {
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const osStub = require("meteor/modules-test-package/os-stub");
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assert.strictEqual(
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osStub.platform(),
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"browser"
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);
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assert.strictEqual(
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osStub.name,
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"/node_modules/meteor/modules-test-package/os-stub.js"
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);
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});
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it("should only include lazy files if platform uses modules", function () {
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if (Meteor.isServer) {
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const clientOnlyIsopackPath = path.join(
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// Currently process.cwd is .meteor/local/build/programs/server.
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"..", "..", "..", "isopacks", "client-only-ecmascript"
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);
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const webJsonPath = path.join(
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clientOnlyIsopackPath,
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"web.browser.json"
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);
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const osJsonPath = path.join(
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clientOnlyIsopackPath,
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"os.json"
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);
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const web = JSON.parse(fs.readFileSync(webJsonPath));
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assert.deepEqual(web.resources.map(function (res) {
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return res.path;
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}), ["client.js", "imported.js", "server.js"]);
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assert.strictEqual(web.resources[0].fileOptions.mainModule, true);
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assert.strictEqual(web.resources[1].fileOptions.lazy, true);
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assert.strictEqual(web.resources[2].fileOptions.lazy, true);
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const os = JSON.parse(fs.readFileSync(osJsonPath));
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assert.deepEqual(os.resources.map(function (res) {
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return res.path;
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}), ["server.js"]);
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assert.deepEqual(os.resources[0].fileOptions, {});
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assert.deepEqual(ServerTypeof, {
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require: "undefined",
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exports: "undefined"
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});
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} else {
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assert.deepEqual(require("meteor/client-only-ecmascript"), {
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name: "client-only-ecmascript",
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imported: "/node_modules/meteor/client-only-ecmascript/imported.js",
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ClientTypeof: {
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require: "function",
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exports: "object"
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}
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});
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}
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});
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it("can define complex compiler plugins", () => {
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const { one, array } = require("meteor/modules-test-plugin");
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assert.strictEqual(one.string, "one");
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assert.strictEqual(one.number, 1);
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assert.strictEqual(one.self, one)
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assert.strictEqual(array[0], "asdf");
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assert.strictEqual(array[1], array);
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assert.strictEqual(array[2], Infinity);
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});
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});
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describe("ecmascript miscellany", () => {
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it("JSX should work in .js files on both client and server", () => {
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const React = {
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createElement: function (name, attrs, children) {
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assert.strictEqual(name, "div");
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assert.strictEqual(attrs, null);
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assert.strictEqual(children, "hi");
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return "all good";
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}
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};
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assert.strictEqual(<div>hi</div>, "all good");
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});
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it("async functions should work on the client and server", async () => {
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assert.strictEqual(
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await 2 + 2,
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await new Promise(resolve => resolve(4))
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);
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});
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it("rest paramters in inner arrow functions (#6312)", () => {
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const rev = (...args) => args.reverse();
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assert.deepEqual(rev(1, 2, 3), [3, 2, 1]);
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assert.ok(rev.toString().match(/\barguments\b/));
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});
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it("rest parameters in property arrow functions (#6514)", () => {
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const obj = {
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method: (a, b, ...rest) => {
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rest.push(a, b);
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return rest.reverse();
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}
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};
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assert.deepEqual(
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obj.method(1, 2, 3, 4),
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[2, 1, 4, 3]
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);
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});
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});
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Meteor.isClient &&
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describe("client/compatibility directories", () => {
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it("should contain bare files", () => {
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assert.strictEqual(topLevelVariable, 1234);
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});
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});
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describe(".es5.js files", () => {
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it("should not be transpiled", () => {
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assert.strictEqual(require("./imports/plain.es5.js").let, "ok");
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});
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});
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describe("return statements at top level", () => {
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it("should be legal", () => {
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var ret = require("./imports/return.js");
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assert.strictEqual(ret.a, 1234);
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assert.strictEqual(ret.b, void 0);
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});
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});
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describe("circular package.json resolution chains", () => {
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it("should be broken appropriately", () => {
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assert.strictEqual(
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require("./lib").aMain,
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"/lib/a/index.js"
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);
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});
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});
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