Files
meteor/tools/bundler.js
2014-08-22 19:38:24 -07:00

2082 lines
72 KiB
JavaScript

// == Site Archive (*.star) file layout (subject to rapid change) ==
//
// /star.json
//
// - format: "site-archive-pre1" for this version
//
// - builtBy: human readable banner (eg, "Meteor 0.6.0")
//
// - programs: array of programs in the star, each an object:
// - name: short, unique name for program, for referring to it
// programmatically
// - arch: architecture that this program targets. Something like
// "os", "os.linux.x86_64", or "browser.w3c".
// - path: directory (relative to star.json) containing this program
//
// XXX in the future this will also contain instructions for
// mounting packages into the namespace of each program, and
// possibly for mounting programs on top of each other (this would
// be the principled mechanism by which a server program could read
// a client program so it can server it)
//
// - plugins: array of plugins in the star, each an object:
// - name: short, unique name for plugin, for referring to it
// programmatically
// - arch: typically 'os' (for a portable plugin) or eg
// 'os.linux.x86_64' for one that include native node_modules
// - path: path (relative to star.json) to the control file (eg,
// program.json) for this plugin
//
// - meteorRelease: the value used in Meteor.release for programs inside the
// star, or "none"
//
// /README: human readable instructions
//
// /main.js: script that can be run in node.js to start the site
// running in standalone mode (after setting appropriate environment
// variables as documented in README)
//
// /server/.bundle_version.txt: contains the dev_bundle version that
// legacy (read: current) Galaxy version read in order to set
// NODE_PATH to point to arch-specific builds of binary node modules
// (primarily this is for node-fibers)
//
// XXX in the future one program (which must be a server-type
// architecture) will be designated as the 'init' program. The
// container will call it with arguments to signal app lifecycle
// events like 'start' and 'stop'.
//
//
// Conventionally programs will be located at /programs/<name>, but
// really the build tool can lay out the star however it wants.
//
//
// == Format of a program when arch is "web.*" ==
//
// Standard:
//
// /program.json
//
// - format: "web-program-pre1" for this version
//
// - manifest: array of resources to serve with HTTP, each an object:
// - path: path of file relative to program.json
// - where: "client"
// - type: "js", "css", or "asset"
// - cacheable: is it safe to ask the client to cache this file (boolean)
// - url: relative url to download the resource, includes cache busting
// parameter when used
// - size: size of file in bytes
// - hash: sha1 hash of the file contents
// - sourceMap: optional path to source map file (relative to program.json)
//
// Additionally there may be a manifest entry with where equal to
// "internal", type "head" or "body", and a path and hash. These contain
// chunks of HTML which should be inserted in the boilerplate HTML page's
// <head> or <body> respectively.
//
//
// == Format of a program when arch is "os.*" ==
//
// Standard:
//
// /server.js: script to run inside node.js to start the program
//
// XXX Subject to change! This will likely change to a shell script
// (allowing us to represent types of programs that don't use or
// depend on node) -- or in fact, rather than have anything fixed here
// at all, star.json just contains a path to a program to run, which
// can be anything than can be exec()'d.
//
// Convention:
//
// /program.json:
//
// - load: array with each item describing a JS file to load at startup:
// - path: path of file, relative to program.json
// - node_modules: if Npm.require is called from this file, this is
// the path (relative to program.json) of the directory that should
// be search for npm modules
// - assets: map from path (the argument to Assets.getText and
// Assets.getBinary) to path on disk (relative to program.json)
// of the asset
// - sourceMap: if present, path of a file that contains a source
// map for this file, relative to program.json
//
// /config.json:
//
// - client: the client program that should be served up by HTTP,
// expressed as a path (relative to program.json) to the *client's*
// program.json.
//
// - meteorRelease: the value to use for Meteor.release, if any
//
//
// /app/*: source code of the (server part of the) app
// /packages/foo.js: the (linked) source code for package foo
// /package-tests/foo.js: the (linked) source code for foo's tests
// /npm/foo/node_modules: node_modules for package foo. may be symlinked
// if developing locally.
//
// /node_modules: node_modules needed for server.js. omitted if
// deploying (see .bundle_version.txt above), copied if bundling,
// symlinked if developing locally.
//
//
// == Format of a program that is to be used as a plugin ==
//
// /program.json:
// - format: "javascript-image-pre1" for this version
// - arch: the architecture that this build requires
// - load: array with each item describing a JS file to load, in load order:
// - path: path of file, relative to program.json
// - node_modules: if Npm.require is called from this file, this is
// the path (relative to program.json) of the directory that should
// be search for npm modules
//
// It's a little odd that architecture is stored twice (in both the
// top-level star control file and in the plugin control file) but
// it's fine and it's probably actually cleaner, because it means that
// the plugin can be treated as a self-contained unit.
//
// Note that while the spec for "os.*" is going to change to
// represent an arbitrary POSIX (or Windows) process rather than
// assuming a nodejs host, these plugins will always refer to
// JavaScript code (that potentially might be a plugin to be loaded
// into an existing JS VM). But this seems to be a concern that is
// somewhat orthogonal to arch (these plugins can still use packages
// of arch "os.*"). There is probably a missing abstraction here
// somewhere (decoupling target type from architecture) but it can
// wait until later.
var path = require('path');
var util = require('util');
var files = require(path.join(__dirname, 'files.js'));
var Builder = require(path.join(__dirname, 'builder.js'));
var archinfo = require(path.join(__dirname, 'archinfo.js'));
var buildmessage = require('./buildmessage.js');
var fs = require('fs');
var _ = require('underscore');
var project = require(path.join(__dirname, 'project.js'));
var uniload = require(path.join(__dirname, 'uniload.js'));
var watch = require('./watch.js');
var release = require('./release.js');
var Fiber = require('fibers');
var Future = require(path.join('fibers', 'future'));
var sourcemap = require('source-map');
var runLog = require('./run-log.js');
var PackageSource = require('./package-source.js');
var compiler = require('./compiler.js');
var tropohouse = require('./tropohouse.js');
var catalog = require('./catalog.js');
// files to ignore when bundling. node has no globs, so use regexps
exports.ignoreFiles = [
/~$/, /^\.#/, /^#.*#$/,
/^\.DS_Store\/?$/, /^ehthumbs\.db$/, /^Icon.$/, /^Thumbs\.db$/,
/^\.meteor\/$/, /* avoids scanning N^2 files when bundling all packages */
/^\.git\/$/ /* often has too many files to watch */
];
var rejectBadPath = function (p) {
if (p.match(/\.\./))
throw new Error("bad path: " + p);
};
var stripLeadingSlash = function (p) {
if (p.charAt(0) !== '/')
throw new Error("bad path: " + p);
return p.slice(1);
};
// Contents of main.js in bundles. Exported for use by the bundler
// tests.
exports._mainJsContents = "process.argv.splice(2, 0, 'program.json');\nprocess.chdir(require('path').join(__dirname, 'programs', 'server'));\nrequire('./programs/server/boot.js');\n";
///////////////////////////////////////////////////////////////////////////////
// NodeModulesDirectory
///////////////////////////////////////////////////////////////////////////////
// Represents a node_modules directory that we need to copy into the
// bundle or otherwise make available at runtime.
var NodeModulesDirectory = function (options) {
var self = this;
// The absolute path (on local disk) to a directory that contains
// the built node_modules to use.
self.sourcePath = options.sourcePath;
// The path (relative to the bundle root) where we would preferably
// like the node_modules to be output (essentially cosmetic).
self.preferredBundlePath = options.preferredBundlePath;
};
///////////////////////////////////////////////////////////////////////////////
// File
///////////////////////////////////////////////////////////////////////////////
// Allowed options:
// - sourcePath: path to file on disk that will provide our contents
// - data: contents of the file as a Buffer
// - hash: optional, sha1 hash of the file contents, if known
// - sourceMap: if 'data' is given, can be given instead of sourcePath. a string
// - cacheable
var File = function (options) {
var self = this;
if (options.data && ! (options.data instanceof Buffer))
throw new Error('File contents must be provided as a Buffer');
if (! options.sourcePath && ! options.data)
throw new Error("Must provide either sourcePath or data");
// The absolute path in the filesystem from which we loaded (or will
// load) this file (null if the file does not correspond to one on
// disk).
self.sourcePath = options.sourcePath;
// If this file was generated, a sourceMap (as a string) with debugging
// information, as well as the "root" that paths in it should be resolved
// against. Set with setSourceMap.
self.sourceMap = null;
self.sourceMapRoot = null;
// Where this file is intended to reside within the target's
// filesystem.
self.targetPath = null;
// The URL at which this file is intended to be served, relative to
// the base URL at which the target is being served (ignored if this
// file is not intended to be served over HTTP).
self.url = null;
// Is this file guaranteed to never change, so that we can let it be
// cached forever? Only makes sense of self.url is set.
self.cacheable = options.cacheable || false;
// The node_modules directory that Npm.require() should search when
// called from inside this file, given as a NodeModulesDirectory, or
// null if Npm.depend() is not in effect for this file. Only works
// in the "server" architecture.
self.nodeModulesDirectory = null;
// For server JS only. Assets associated with this slice; map from the path
// that is the argument to Assets.getBinary, to a Buffer that is its contents.
self.assets = null;
self._contents = options.data || null; // contents, if known, as a Buffer
self._hash = options.hash || null; // hash, if known, as a hex string
};
_.extend(File.prototype, {
hash: function () {
var self = this;
if (! self._hash)
self._hash = Builder.sha1(self.contents());
return self._hash;
},
// Omit encoding to get a buffer, or provide something like 'utf8'
// to get a string
contents: function (encoding) {
var self = this;
if (! self._contents) {
if (! self.sourcePath) {
throw new Error("Have neither contents nor sourcePath for file");
}
else
self._contents = fs.readFileSync(self.sourcePath);
}
return encoding ? self._contents.toString(encoding) : self._contents;
},
setContents: function (b) {
var self = this;
if (!(b instanceof Buffer))
throw new Error("Must set contents to a Buffer");
self._contents = b;
// Un-cache hash.
self._hash = null;
},
size: function () {
var self = this;
return self.contents().length;
},
// Set the URL (and target path) of this file to "/<hash><suffix>". suffix
// will typically be used to pick a reasonable extension. Also set cacheable
// to true, since the file's name is now derived from its contents.
// Also allow a special second suffix that will *only* be postpended to the
// url, useful for query parameters.
setUrlToHash: function (fileAndUrlSuffix, urlSuffix) {
var self = this;
urlSuffix = urlSuffix || "";
self.url = "/" + self.hash() + fileAndUrlSuffix + urlSuffix;
self.cacheable = true;
self.targetPath = self.hash() + fileAndUrlSuffix;
},
// Append "?<hash>" to the URL and mark the file as cacheable.
addCacheBuster: function () {
var self = this;
if (! self.url)
throw new Error("File must have a URL");
if (self.cacheable)
return; // eg, already got setUrlToHash
if (/\?/.test(self.url))
throw new Error("URL already has a query string");
self.url += "?" + self.hash();
self.cacheable = true;
},
// Given a relative path like 'a/b/c' (where '/' is this system's
// path component separator), produce a URL that always starts with
// a forward slash and that uses a literal forward slash as the
// component separator.
setUrlFromRelPath: function (relPath) {
var self = this;
var url = relPath.split(path.sep).join('/');
if (url.charAt(0) !== '/')
url = '/' + url;
self.url = url;
},
setTargetPathFromRelPath: function (relPath) {
var self = this;
// XXX hack
if (relPath.match(/^packages\//) || relPath.match(/^assets\//))
self.targetPath = relPath;
else
self.targetPath = path.join('app', relPath);
},
// Set a source map for this File. sourceMap is given as a string.
setSourceMap: function (sourceMap, root) {
var self = this;
if (typeof sourceMap !== "string")
throw new Error("sourceMap must be given as a string");
self.sourceMap = sourceMap;
self.sourceMapRoot = root;
},
// note: this assets object may be shared among multiple files!
setAssets: function (assets) {
var self = this;
if (!_.isEmpty(assets))
self.assets = assets;
}
});
///////////////////////////////////////////////////////////////////////////////
// Target
///////////////////////////////////////////////////////////////////////////////
// options:
// - packageLoader: PackageLoader to use for resolving package dependencies
// - arch: the architecture to build
//
// see subclasses for additional options
var Target = function (options) {
var self = this;
// PackageLoader to use for resolving package dependenices.
self.packageLoader = options.packageLoader;
// Something like "web.browser" or "os" or "os.osx.x86_64"
self.arch = options.arch;
// All of the Unibuilds that are to go into this target, in the order
// that they are to be loaded.
self.unibuilds = [];
// JavaScript files. List of File. They will be loaded at startup in
// the order given.
self.js = [];
// On-disk dependencies of this target.
self.watchSet = new watch.WatchSet();
// Map from package name to package directory of all packages used.
self.pluginProviderPackageDirs = {};
// node_modules directories that we need to copy into the target (or
// otherwise make available at runtime). A map from an absolute path
// on disk (NodeModulesDirectory.sourcePath) to a
// NodeModulesDirectory object that we have created to represent it.
//
// The NodeModulesDirectory objects in this map are de-duplicated
// aliases to the objects in the nodeModulesDirectory fields of
// the File objects in self.js.
self.nodeModulesDirectories = {};
// Static assets to include in the bundle. List of File.
// For client targets, these are served over HTTP.
self.asset = [];
};
_.extend(Target.prototype, {
// Top-level entry point for building a target. Generally to build a
// target, you create with 'new', call make() to specify its sources
// and build options and actually do the work of buliding the
// target, and finally you retrieve the build product with a
// target-type-dependent function such as write() or toJsImage().
//
// options
// - packages: packages to include (Unipackage or 'foo'), per
// _determineLoadOrder
// - minify: true to minify
// - addCacheBusters: if true, make all files cacheable by adding
// unique query strings to their URLs. unlikely to be of much use
// on server targets.
make: function (options) {
var self = this;
buildmessage.assertInCapture();
// Populate the list of unibuilds to load
self._determineLoadOrder({
packages: options.packages || []
});
// Link JavaScript and set up self.js, etc.
self._emitResources();
// Preprocess and concatenate CSS files for client targets.
if (self instanceof ClientTarget) {
self.mergeCss();
}
// Minify, if requested
if (options.minify) {
var minifiers = uniload.load({
packages: ['minifiers']
}).minifiers;
self.minifyJs(minifiers);
// CSS is minified only for client targets.
if (self instanceof ClientTarget) {
self.minifyCss(minifiers);
}
}
if (options.addCacheBusters) {
// Make client-side CSS and JS assets cacheable forever, by
// adding a query string with a cache-busting hash.
self._addCacheBusters("js");
self._addCacheBusters("css");
}
},
// Determine the packages to load, create Unibuilds for
// them, put them in load order, save in unibuilds.
//
// (Note: this is also called directly by
// bundler.iterateOverAllUsedUnipackages, kinda hackily.)
//
// options include:
// - packages: an array of packages (or, properly speaking, unibuilds)
// to include. Each element should either be a Unipackage object or a
// package name as a string
_determineLoadOrder: function (options) {
var self = this;
buildmessage.assertInCapture();
var packageLoader = self.packageLoader;
// Find the roots
var rootUnibuilds =
_.map(options.packages || [], function (p) {
if (typeof p === "string") {
return packageLoader.getUnibuild(p, self.arch);
} else {
return p.getUnibuildAtArch(self.arch);
}
});
// PHASE 1: Which unibuilds will be used?
//
// Figure out which unibuilds are going to be used in the target, regardless of
// order. We ignore weak dependencies here, because they don't actually
// create a "must-use" constraint, just an ordering constraint.
// What unibuilds will be used in the target? Built in Phase 1, read in
// Phase 2.
var usedUnibuilds = {}; // Map from unibuild.id to Unibuild.
var usedPackages = {}; // Map from package name to true;
var addToGetsUsed = function (unibuild) {
if (_.has(usedUnibuilds, unibuild.id))
return;
usedUnibuilds[unibuild.id] = unibuild;
usedPackages[unibuild.pkg.name] = true;
compiler.eachUsedUnibuild(
unibuild.uses, self.arch, packageLoader, addToGetsUsed);
};
_.each(rootUnibuilds, addToGetsUsed);
// PHASE 2: In what order should we load the unibuilds?
//
// Set self.unibuilds to be all of the roots, plus all of their non-weak
// dependencies, in the correct load order. "Load order" means that if X
// depends on (uses) Y, and that relationship is not marked as unordered, Y
// appears before X in the ordering. Raises an exception iff there is no
// such ordering (due to circular dependency).
//
// XXX The topological sort code here is duplicated in catalog.js.
// What unibuilds have not yet been added to self.unibuilds?
var needed = _.clone(usedUnibuilds); // Map from unibuild.id to Unibuild.
// Unibuilds that we are in the process of adding; used to detect circular
// ordered dependencies.
var onStack = {}; // Map from unibuild.id to true.
// This helper recursively adds unibuild's ordered dependencies to self.unibuilds,
// then adds unibuild itself.
var add = function (unibuild) {
// If this has already been added, there's nothing to do.
if (!_.has(needed, unibuild.id))
return;
// Process each ordered dependency. (If we have an unordered dependency
// `u`, then there's no reason to add it *now*, and for all we know, `u`
// will depend on `unibuild` and need to be added after it. So we ignore
// those edge. Because we did follow those edges in Phase 1, any unordered
// unibuilds were at some point in `needed` and will not be left out).
//
// eachUsedUnibuild does follow weak edges (ie, they affect the ordering),
// but only if they point to a package in usedPackages (ie, a package that
// SOMETHING uses strongly).
compiler.eachUsedUnibuild(
unibuild.uses, self.arch, packageLoader,
{ skipUnordered: true, acceptableWeakPackages: usedPackages},
function (usedUnibuild) {
if (onStack[usedUnibuild.id]) {
buildmessage.error("circular dependency between packages " +
unibuild.pkg.name + " and " + usedUnibuild.pkg.name);
// recover by not enforcing one of the depedencies
return;
}
onStack[usedUnibuild.id] = true;
add(usedUnibuild);
delete onStack[usedUnibuild.id];
});
self.unibuilds.push(unibuild);
delete needed[unibuild.id];
};
while (true) {
// Get an arbitrary unibuild from those that remain, or break if none remain.
var first = null;
for (first in needed) break;
if (! first)
break;
// Now add it, after its ordered dependencies.
add(needed[first]);
}
},
// Process all of the sorted unibuilds (which includes running the JavaScript
// linker).
_emitResources: function () {
var self = this;
var isWeb = archinfo.matches(self.arch, "web");
var isOs = archinfo.matches(self.arch, "os");
// Copy their resources into the bundle in order
_.each(self.unibuilds, function (unibuild) {
var isApp = ! unibuild.pkg.name;
// Emit the resources
var resources = unibuild.getResources(self.arch, self.packageLoader);
// First, find all the assets, so that we can associate them with each js
// resource (for os unibuilds).
var unibuildAssets = {};
_.each(resources, function (resource) {
if (resource.type !== "asset")
return;
var f = new File({
data: resource.data,
cacheable: false,
hash: resource.hash
});
var relPath = isOs
? path.join("assets", resource.servePath)
: stripLeadingSlash(resource.servePath);
f.setTargetPathFromRelPath(relPath);
if (isWeb)
f.setUrlFromRelPath(resource.servePath);
else {
unibuildAssets[resource.path] = resource.data;
}
self.asset.push(f);
});
// Now look for the other kinds of resources.
_.each(resources, function (resource) {
if (resource.type === "asset")
return; // already handled
if (_.contains(["js", "css"], resource.type)) {
if (resource.type === "css" && ! isWeb)
// XXX might be nice to throw an error here, but then we'd
// have to make it so that package.js ignores css files
// that appear in the server directories in an app tree
// XXX XXX can't we easily do that in the css handler in
// meteor.js?
return;
var f = new File({data: resource.data, cacheable: false});
var relPath = stripLeadingSlash(resource.servePath);
f.setTargetPathFromRelPath(relPath);
if (isWeb) {
f.setUrlFromRelPath(resource.servePath);
}
if (resource.type === "js" && isOs) {
// Hack, but otherwise we'll end up putting app assets on this file.
if (resource.servePath !== "/packages/global-imports.js")
f.setAssets(unibuildAssets);
if (! isApp && unibuild.nodeModulesPath) {
var nmd = self.nodeModulesDirectories[unibuild.nodeModulesPath];
if (! nmd) {
nmd = new NodeModulesDirectory({
sourcePath: unibuild.nodeModulesPath,
// It's important that this path end with
// node_modules. Otherwise, if two modules in this package
// depend on each other, they won't be able to find each
// other!
preferredBundlePath: path.join(
'npm', unibuild.pkg.name, 'node_modules')
});
self.nodeModulesDirectories[unibuild.nodeModulesPath] = nmd;
}
f.nodeModulesDirectory = nmd;
}
}
// Both CSS and JS files can have source maps
if (resource.sourceMap) {
f.setSourceMap(resource.sourceMap, path.dirname(relPath));
}
self[resource.type].push(f);
return;
}
if (_.contains(["head", "body"], resource.type)) {
if (! isWeb)
throw new Error("HTML segments can only go to the client");
self[resource.type].push(resource.data);
return;
}
throw new Error("Unknown type " + resource.type);
});
// Depend on the source files that produced these resources.
self.watchSet.merge(unibuild.watchSet);
// Remember the versions of all of the build-time dependencies
// that were used in these resources. Depend on them as well.
// XXX assumes that this merges cleanly
self.watchSet.merge(unibuild.pkg.pluginWatchSet);
_.extend(self.pluginProviderPackageDirs,
unibuild.pkg.pluginProviderPackageDirs);
});
},
// Minify the JS in this target
minifyJs: function (minifiers) {
var self = this;
var allJs = _.map(self.js, function (file) {
return file.contents('utf8');
}).join('\n;\n');
allJs = minifiers.UglifyJSMinify(allJs, {
fromString: true,
compress: {drop_debugger: false}
}).code;
self.js = [new File({ data: new Buffer(allJs, 'utf8') })];
self.js[0].setUrlToHash(".js");
},
// For each resource of the given type, make it cacheable by adding
// a query string to the URL based on its hash.
_addCacheBusters: function (type) {
var self = this;
_.each(self[type], function (file) {
file.addCacheBuster();
});
},
// Return the WatchSet for this target's dependency info.
getWatchSet: function () {
var self = this;
return self.watchSet;
},
getPluginProviderPackageDirs: function () {
var self = this;
return self.pluginProviderPackageDirs;
},
// Return the most inclusive architecture with which this target is
// compatible. For example, if we set out to build a
// 'os.linux.x86_64' version of this target (by passing that as
// the 'arch' argument to the constructor), but ended up not
// including anything that was specific to Linux, the return value
// would be 'os'.
mostCompatibleArch: function () {
var self = this;
return archinfo.leastSpecificDescription(_.pluck(self.unibuilds, 'arch'));
}
});
//////////////////// ClientTarget ////////////////////
var ClientTarget = function (options) {
var self = this;
Target.apply(this, arguments);
// CSS files. List of File. They will be loaded in the order given.
self.css = [];
// Cached CSS AST. If non-null, self.css has one item in it, processed CSS
// from merged input files, and this is its parse tree.
self._cssAstCache = null;
// List of segments of additional HTML for <head>/<body>.
self.head = [];
self.body = [];
if (! archinfo.matches(self.arch, "web"))
throw new Error("ClientTarget targeting something that isn't a client?");
};
util.inherits(ClientTarget, Target);
_.extend(ClientTarget.prototype, {
// Lints CSS files and merges them into one file, fixing up source maps and
// pulling any @import directives up to the top since the CSS spec does not
// allow them to appear in the middle of a file.
mergeCss: function () {
var self = this;
var minifiers = uniload.load({
packages: ['minifiers']
}).minifiers;
var CssTools = minifiers.CssTools;
// Filenames passed to AST manipulator mapped to their original files
var originals = {};
var cssAsts = _.map(self.css, function (file) {
var filename = file.url.replace(/^\//, '');
originals[filename] = file;
try {
var parseOptions = { source: filename, position: true };
var ast = CssTools.parseCss(file.contents('utf8'), parseOptions);
ast.filename = filename;
} catch (e) {
buildmessage.error(e.message, { file: filename });
return { type: "stylesheet", stylesheet: { rules: [] },
filename: filename };
}
return ast;
});
var warnCb = function (filename, msg) {
// XXX make this a buildmessage.warning call rather than a random log.
// this API would be like buildmessage.error, but wouldn't cause
// the build to fail.
runLog.log(filename + ': warn: ' + msg);
};
// Other build phases might need this AST later
self._cssAstCache = CssTools.mergeCssAsts(cssAsts, warnCb);
// Overwrite the CSS files list with the new concatenated file
var stringifiedCss = CssTools.stringifyCss(self._cssAstCache,
{ sourcemap: true });
self.css = [new File({ data: new Buffer(stringifiedCss.code, 'utf8') })];
// Add the contents of the input files to the source map of the new file
stringifiedCss.map.sourcesContent =
_.map(stringifiedCss.map.sources, function (filename) {
return originals[filename].contents('utf8');
});
// If any input files had source maps, apply them.
// Ex.: less -> css source map should be composed with css -> css source map
var newMap = sourcemap.SourceMapGenerator.fromSourceMap(
new sourcemap.SourceMapConsumer(stringifiedCss.map));
_.each(originals, function (file, name) {
if (! file.sourceMap)
return;
try {
newMap.applySourceMap(
new sourcemap.SourceMapConsumer(file.sourceMap), name);
} catch (err) {
// If we can't apply the source map, silently drop it.
//
// XXX This is here because there are some less files that
// produce source maps that throw when consumed. We should
// figure out exactly why and fix it, but this will do for now.
}
});
self.css[0].setSourceMap(JSON.stringify(newMap));
self.css[0].setUrlToHash(".css");
},
// Minify the CSS in this target
minifyCss: function (minifiers) {
var self = this;
var minifiedCss = '';
// If there is an AST already calculated, don't waste time on parsing it
// again.
if (self._cssAstCache) {
minifiedCss = minifiers.CssTools.minifyCssAst(self._cssAstCache);
} else if (self.css) {
var allCss = _.map(self.css, function (file) {
return file.contents('utf8');
}).join('\n');
minifiedCss = minifiers.CssTools.minifyCss(allCss);
}
self.css = [new File({ data: new Buffer(minifiedCss, 'utf8') })];
self.css[0].setUrlToHash(".css", "?meteor_css_resource=true");
},
// Output the finished target to disk
//
// Returns the path (relative to 'builder') of the control file for
// the target
write: function (builder) {
var self = this;
builder.reserve("program.json");
// Helper to iterate over all resources that we serve over HTTP.
var eachResource = function (f) {
_.each(["js", "css", "asset"], function (type) {
_.each(self[type], function (file) {
f(file, type);
});
});
};
// Reserve all file names from the manifest, so that interleaved
// generateFilename calls don't overlap with them.
eachResource(function (file, type) {
builder.reserve(file.targetPath);
});
// Build up a manifest of all resources served via HTTP.
var manifest = [];
eachResource(function (file, type) {
var fileContents = file.contents();
var manifestItem = {
path: file.targetPath,
where: "client",
type: type,
cacheable: file.cacheable,
url: file.url
};
if (file.sourceMap) {
// Add anti-XSSI header to this file which will be served over
// HTTP. Note that the Mozilla and WebKit implementations differ as to
// what they strip: Mozilla looks for the four punctuation characters
// but doesn't care about the newline; WebKit only looks for the first
// three characters (not the single quote) and then strips everything up
// to a newline.
// https://groups.google.com/forum/#!topic/mozilla.dev.js-sourcemap/3QBr4FBng5g
var mapData = new Buffer(")]}'\n" + file.sourceMap, 'utf8');
manifestItem.sourceMap = builder.writeToGeneratedFilename(
file.targetPath + '.map', {data: mapData});
// Use a SHA to make this cacheable.
var sourceMapBaseName = file.hash() + ".map";
// XXX When we can, drop all of this and just use the SourceMap
// header. FF doesn't support that yet, though:
// https://bugzilla.mozilla.org/show_bug.cgi?id=765993
// Note: if we use the older '//@' comment, FF 24 will print a lot
// of warnings to the console. So we use the newer '//#' comment...
// which Chrome (28) doesn't support. So we also set X-SourceMap
// in webapp_server.
file.setContents(Buffer.concat([
file.contents(),
new Buffer("\n//# sourceMappingURL=" + sourceMapBaseName + "\n")
]));
manifestItem.sourceMapUrl = require('url').resolve(
file.url, sourceMapBaseName);
}
// Set this now, in case we mutated the file's contents.
manifestItem.size = file.size();
manifestItem.hash = file.hash();
writeFile(file, builder);
manifest.push(manifestItem);
});
_.each(['head', 'body'], function (type) {
var data = self[type].join('\n');
if (data) {
var dataBuffer = new Buffer(data, 'utf8');
var dataFile = builder.writeToGeneratedFilename(
type + '.html', { data: dataBuffer });
manifest.push({
path: dataFile,
where: 'internal',
type: type,
hash: Builder.sha1(dataBuffer)
});
}
});
// Control file
builder.writeJson('program.json', {
format: "web-program-pre1",
manifest: manifest
});
return "program.json";
}
});
//////////////////// JsImageTarget and JsImage ////////////////////
// A JsImage (JavaScript Image) is a fully linked JavaScript program
// that is totally ready to go. (Image is used in the sense of "the
// output of a linker", as in "executable image", rather than in the
// sense of "visual picture").
//
// A JsImage can be loaded into its own new JavaScript virtual
// machine, or it can be loaded into an existing virtual machine as a
// plugin.
var JsImage = function () {
var self = this;
// Array of objects with keys:
// - targetPath: relative path to use if saved to disk (or for stack traces)
// - source: JS source code to load, as a string
// - nodeModulesDirectory: a NodeModulesDirectory indicating which
// directory should be searched by Npm.require()
// - sourceMap: if set, source map for this code, as a string
// note: this can't be called `load` at it would shadow `load()`
self.jsToLoad = [];
// node_modules directories that we need to copy into the target (or
// otherwise make available at runtime). A map from an absolute path
// on disk (NodeModulesDirectory.sourcePath) to a
// NodeModulesDirectory object that we have created to represent it.
//
// The NodeModulesDirectory objects in this map are de-duplicated
// aliases to the objects in the nodeModulesDirectory fields of
// the objects in self.jsToLoad.
self.nodeModulesDirectories = {};
// Architecture required by this image
self.arch = null;
};
_.extend(JsImage.prototype, {
// Load the image into the current process. It gets its own unique
// Package object containing its own private copy of every
// unipackage that it uses. This Package object is returned.
//
// If `bindings` is provided, it is a object containing a set of
// variables to set in the global environment of the executed
// code. The keys are the variable names and the values are their
// values. In addition to the contents of `bindings`, Package and
// Npm will be provided.
//
// XXX throw an error if the image includes any "app-style" code
// that is built to put symbols in the global namespace rather than
// in a compartment of Package
load: function (bindings) {
var self = this;
var ret = {};
// XXX This is mostly duplicated from server/boot.js, as is Npm.require
// below. Some way to avoid this?
var getAsset = function (assets, assetPath, encoding, callback) {
var fut;
if (! callback) {
if (! Fiber.current)
throw new Error("The synchronous Assets API can " +
"only be called from within a Fiber.");
fut = new Future();
callback = fut.resolver();
}
var _callback = function (err, result) {
if (result && ! encoding)
// Sadly, this copies in Node 0.10.
result = new Uint8Array(result);
callback(err, result);
};
if (!assets || !_.has(assets, assetPath)) {
_.callback(new Error("Unknown asset: " + assetPath));
} else {
var buffer = assets[assetPath];
var result = encoding ? buffer.toString(encoding) : buffer;
_callback(null, result);
}
if (fut)
return fut.wait();
};
// Eval each JavaScript file, providing a 'Npm' symbol in the same
// way that the server environment would, a 'Package' symbol
// so the loaded image has its own private universe of loaded
// packages, and an 'Assets' symbol to help the package find its
// static assets.
var failed = false;
_.each(self.jsToLoad, function (item) {
if (failed)
return;
var env = _.extend({
Package: ret,
Npm: {
require: function (name) {
if (! item.nodeModulesDirectory) {
// No Npm.depends associated with this package
return require(name);
}
var nodeModuleDir =
path.join(item.nodeModulesDirectory.sourcePath, name);
if (fs.existsSync(nodeModuleDir)) {
return require(nodeModuleDir);
}
try {
return require(name);
} catch (e) {
throw new Error("Can't load npm module '" + name +
"' while loading " + item.targetPath +
". Check your Npm.depends().'");
}
}
},
Assets: {
getText: function (assetPath, callback) {
return getAsset(item.assets, assetPath, "utf8", callback);
},
getBinary: function (assetPath, callback) {
return getAsset(item.assets, assetPath, undefined, callback);
}
}
}, bindings || {});
try {
// XXX XXX Get the actual source file path -- item.targetPath
// is not actually correct (it's the path in the bundle rather
// than in the source tree).
files.runJavaScript(item.source.toString('utf8'), {
filename: item.targetPath,
symbols: env,
sourceMap: item.sourceMap,
sourceMapRoot: item.sourceMapRoot
});
} catch (e) {
buildmessage.exception(e);
// Recover by skipping the rest of the load
failed = true;
return;
}
});
return ret;
},
// Write this image out to disk
//
// Returns the path (relative to 'builder') of the control file for
// the image
write: function (builder) {
var self = this;
builder.reserve("program.json");
// Finalize choice of paths for node_modules directories -- These
// paths are no longer just "preferred"; they are the final paths
// that we will use
var nodeModulesDirectories = [];
_.each(self.nodeModulesDirectories || [], function (nmd) {
// We do a little manipulation to make sure that generateFilename only
// adds suffixes to parts of the path other than the final node_modules,
// which needs to stay node_modules.
var dirname = path.dirname(nmd.preferredBundlePath);
var base = path.basename(nmd.preferredBundlePath);
var generatedDir = builder.generateFilename(dirname, {directory: true});
nodeModulesDirectories.push(new NodeModulesDirectory({
sourcePath: nmd.sourcePath,
preferredBundlePath: path.join(generatedDir, base)
}));
});
// If multiple load files share the same asset, only write one copy of
// each. (eg, for app assets).
var assetFilesBySha = {};
// JavaScript sources
var load = [];
_.each(self.jsToLoad, function (item) {
if (! item.targetPath)
throw new Error("No targetPath?");
var loadItem = {};
if (item.nodeModulesDirectory) {
// We need to make sure to use the directory name we got from
// builder.generateFilename here.
// XXX these two parallel data structures of self.jsToLoad and
// self.nodeModulesDirectories are confusing
var generatedNMD = _.findWhere(
nodeModulesDirectories,
{sourcePath: item.nodeModulesDirectory.sourcePath}
);
if (generatedNMD) {
loadItem.node_modules = generatedNMD.preferredBundlePath;
}
}
if (item.sourceMap) {
// Reference the source map in the source. Looked up later by
// node-inspector.
var sourceMapBaseName = item.targetPath + ".map";
// Write the source map.
loadItem.sourceMap = builder.writeToGeneratedFilename(
sourceMapBaseName,
{ data: new Buffer(item.sourceMap, 'utf8') }
);
var sourceMapFileName = path.basename(loadItem.sourceMap);
// Remove any existing sourceMappingURL line. (eg, if roundtripping
// through JsImage.readFromDisk, don't end up with two!)
item.source = item.source.replace(
/\n\/\/# sourceMappingURL=.+\n?$/, '');
item.source += "\n//# sourceMappingURL=" + sourceMapFileName + "\n";
loadItem.sourceMapRoot = item.sourceMapRoot;
}
loadItem.path = builder.writeToGeneratedFilename(
item.targetPath,
{ data: new Buffer(item.source, 'utf8') });
if (!_.isEmpty(item.assets)) {
// For package code, static assets go inside a directory inside
// assets/packages specific to this package. Application assets (e.g. those
// inside private/) go in assets/app/.
// XXX same hack as setTargetPathFromRelPath
var assetBundlePath;
if (item.targetPath.match(/^packages\//)) {
var dir = path.dirname(item.targetPath);
var base = path.basename(item.targetPath, ".js");
assetBundlePath = path.join('assets', dir, base);
} else {
assetBundlePath = path.join('assets', 'app');
}
loadItem.assets = {};
_.each(item.assets, function (data, relPath) {
var sha = Builder.sha1(data);
if (_.has(assetFilesBySha, sha)) {
loadItem.assets[relPath] = assetFilesBySha[sha];
} else {
loadItem.assets[relPath] = assetFilesBySha[sha] =
builder.writeToGeneratedFilename(
path.join(assetBundlePath, relPath), { data: data });
}
});
}
load.push(loadItem);
});
// node_modules resources from the packages. Due to appropriate
// builder configuration, 'meteor bundle' and 'meteor deploy' copy
// them, and 'meteor run' symlinks them. If these contain
// arch-specific code then the target will end up having an
// appropriately specific arch.
_.each(nodeModulesDirectories, function (nmd) {
builder.copyDirectory({
from: nmd.sourcePath,
to: nmd.preferredBundlePath
});
});
// Control file
builder.writeJson('program.json', {
format: "javascript-image-pre1",
arch: self.arch,
load: load
});
return "program.json";
}
});
// Create a JsImage by loading a bundle of format
// 'javascript-image-pre1' from disk (eg, previously written out with
// write()). `dir` is the path to the control file.
JsImage.readFromDisk = function (controlFilePath) {
var ret = new JsImage;
var json = JSON.parse(fs.readFileSync(controlFilePath));
var dir = path.dirname(controlFilePath);
if (json.format !== "javascript-image-pre1")
throw new Error("Unsupported plugin format: " +
JSON.stringify(json.format));
ret.arch = json.arch;
_.each(json.load, function (item) {
rejectBadPath(item.path);
var nmd = undefined;
if (item.node_modules) {
rejectBadPath(item.node_modules);
var node_modules = path.join(dir, item.node_modules);
if (! (node_modules in ret.nodeModulesDirectories)) {
ret.nodeModulesDirectories[node_modules] =
new NodeModulesDirectory({
sourcePath: node_modules,
preferredBundlePath: item.node_modules
});
}
nmd = ret.nodeModulesDirectories[node_modules];
}
var loadItem = {
targetPath: item.path,
source: fs.readFileSync(path.join(dir, item.path), 'utf8'),
nodeModulesDirectory: nmd
};
if (item.sourceMap) {
// XXX this is the same code as unipackage.initFromPath
rejectBadPath(item.sourceMap);
loadItem.sourceMap = fs.readFileSync(
path.join(dir, item.sourceMap), 'utf8');
loadItem.sourceMapRoot = item.sourceMapRoot;
}
if (!_.isEmpty(item.assets)) {
loadItem.assets = {};
_.each(item.assets, function (filename, relPath) {
loadItem.assets[relPath] = fs.readFileSync(path.join(dir, filename));
});
}
ret.jsToLoad.push(loadItem);
});
return ret;
};
var JsImageTarget = function (options) {
var self = this;
Target.apply(this, arguments);
if (! archinfo.matches(self.arch, "os"))
// Conceivably we could support targeting the client as long as
// no native node modules were used. No use case for that though.
throw new Error("JsImageTarget targeting something unusual?");
};
util.inherits(JsImageTarget, Target);
_.extend(JsImageTarget.prototype, {
toJsImage: function () {
var self = this;
var ret = new JsImage;
_.each(self.js, function (file) {
ret.jsToLoad.push({
targetPath: file.targetPath,
source: file.contents().toString('utf8'),
nodeModulesDirectory: file.nodeModulesDirectory,
assets: file.assets,
sourceMap: file.sourceMap,
sourceMapRoot: file.sourceMapRoot
});
});
ret.nodeModulesDirectories = self.nodeModulesDirectories;
ret.arch = self.mostCompatibleArch();
return ret;
}
});
//////////////////// ServerTarget ////////////////////
// options:
// - clientTarget: the ClientTarget to serve up over HTTP as our client
// - releaseName: the Meteor release name (for retrieval at runtime)
var ServerTarget = function (options) {
var self = this;
JsImageTarget.apply(this, arguments);
self.clientTarget = options.clientTarget;
self.releaseName = options.releaseName;
self.packageLoader = options.packageLoader;
if (! archinfo.matches(self.arch, "os"))
throw new Error("ServerTarget targeting something that isn't a server?");
};
util.inherits(ServerTarget, JsImageTarget);
_.extend(ServerTarget.prototype, {
// Output the finished target to disk
// options:
// - includeNodeModulesSymlink: if true, add a node_modules symlink
// - getRelativeTargetPath: a function that takes {forTarget:
// Target, relativeTo: Target} and return the path of one target
// in the bundle relative to another. hack to get the path of the
// client target.. we'll find a better solution here eventually
//
// Returns the path (relative to 'builder') of the control file for
// the plugin
write: function (builder, options) {
var self = this;
// Pick a start script name
// XXX base it on the name of the target
var scriptName = 'start.sh';
builder.reserve(scriptName);
// This is where the dev_bundle will be downloaded and unpacked
builder.reserve('dependencies');
// Relative path to our client, if we have one (hack)
var clientTargetPath;
if (self.clientTarget) {
clientTargetPath = path.join(options.getRelativeTargetPath({
forTarget: self.clientTarget, relativeTo: self}),
'program.json');
}
// We will write out config.json, the dependency kit, and the
// server driver alongside the JsImage
builder.writeJson("config.json", {
meteorRelease: self.releaseName || undefined,
client: clientTargetPath || undefined
});
// Write package.json and npm-shrinkwrap.json for the dependencies of
// boot.js.
builder.write('package.json', {
file: path.join(files.getDevBundle(), 'etc', 'package.json')
});
builder.write('npm-shrinkwrap.json', {
file: path.join(files.getDevBundle(), 'etc', 'npm-shrinkwrap.json')
});
// This is a hack to make 'meteor run' faster (so you don't have to run 'npm
// install' using the above package.json and npm-shrinkwrap.json on every
// rebuild).
if (options.includeNodeModulesSymlink) {
builder.write('node_modules', {
symlink: path.join(files.getDevBundle(), 'lib', 'node_modules')
});
}
// Linked JavaScript image (including static assets, assuming that there are
// any JS files at all)
var imageControlFile = self.toJsImage().write(builder);
// Server bootstrap
builder.write('boot.js',
{ file: path.join(__dirname, 'server', 'boot.js') });
// Script that fetches the dev_bundle and runs the server bootstrap
var archToPlatform = {
'os.linux.x86_32': 'Linux_i686',
'os.linux.x86_64': 'Linux_x86_64',
'os.osx.x86_64': 'Darwin_x86_64'
};
var platform = archToPlatform[self.arch];
if (! platform) {
buildmessage.error("MDG does not publish dev_bundles for arch: " +
self.arch);
// Recover by bailing out and leaving a partially built target
return;
}
var devBundleVersion =
fs.readFileSync(
path.join(files.getDevBundle(), '.bundle_version.txt'), 'utf8');
devBundleVersion = devBundleVersion.split('\n')[0];
var script = uniload.load({
packages: ['dev-bundle-fetcher']
})["dev-bundle-fetcher"].DevBundleFetcher.script();
script = script.replace(/##PLATFORM##/g, platform);
script = script.replace(/##BUNDLE_VERSION##/g, devBundleVersion);
script = script.replace(/##IMAGE##/g, imageControlFile);
script = script.replace(/##RUN_FILE##/g, 'boot.js');
builder.write(scriptName, { data: new Buffer(script, 'utf8'),
executable: true });
return scriptName;
}
});
var writeFile = function (file, builder) {
if (! file.targetPath)
throw new Error("No targetPath?");
var contents = file.contents();
if (! (contents instanceof Buffer))
throw new Error("contents not a Buffer?");
// XXX should probably use sanitize: true, but that will have
// to wait until the server is actually driven by the manifest
// (rather than just serving all of the files in a certain
// directories)
builder.write(file.targetPath, { data: file.contents() });
};
// Writes a target a path in 'programs'
var writeTargetToPath = function (name, target, outputPath, options) {
var builder = new Builder({
outputPath: path.join(outputPath, 'programs', name),
symlink: options.includeNodeModulesSymlink
});
var relControlFilePath =
target.write(builder, {
includeNodeModulesSymlink: options.includeNodeModulesSymlink,
getRelativeTargetPath: options.getRelativeTargetPath });
builder.complete();
return {
name: name,
arch: target.mostCompatibleArch(),
path: path.join('programs', name, relControlFilePath)
};
};
///////////////////////////////////////////////////////////////////////////////
// writeSiteArchive
///////////////////////////////////////////////////////////////////////////////
// targets is a set of Targets to include in the bundle, as a map from
// target name (to use in the bundle) to a Target. outputPath is the
// path of a directory that should be created to contain the generated
// site archive.
//
// Returns:
// {
// watchSet: watch.WatchSet for all files and directories that ultimately went
// starManifest: the JSON manifest of the star
// }
// into the bundle.
//
// options:
// - includeNodeModulesSymlink: bool
// - builtBy: vanity identification string to write into metadata
// - controlProgram: name of the control program (should be a target name)
// - releaseName: The Meteor release version
var writeSiteArchive = function (targets, outputPath, options) {
var builder = new Builder({
outputPath: outputPath,
// This is a bit of a hack, but it means that things like node_modules
// directories for packages end up as symlinks too.
symlink: options.includeNodeModulesSymlink
});
if (options.controlProgram && ! (options.controlProgram in targets))
throw new Error("controlProgram '" + options.controlProgram +
"' is not the name of a target?");
try {
var json = {
format: "site-archive-pre1",
builtBy: options.builtBy,
programs: [],
control: options.controlProgram || undefined,
meteorRelease: options.releaseName
};
// Tell Galaxy what version of the dependency kit we're using, so
// it can load the right modules. (Include this even if we copied
// or symlinked a node_modules, since that's probably enough for
// it to work in spite of the presence of node_modules for the
// wrong arch). The place we stash this is grody for temporary
// reasons of backwards compatibility.
builder.write(path.join('server', '.bundle_version.txt'), {
file: path.join(files.getDevBundle(), '.bundle_version.txt')
});
// Affordances for standalone use
if (targets.server) {
// add program.json as the first argument after "node main.js" to the boot script.
var stub = new Buffer(exports._mainJsContents, 'utf8');
builder.write('main.js', { data: stub });
builder.write('README', { data: new Buffer(
"This is a Meteor application bundle. It has only one external dependency:\n" +
"Node.js 0.10.29 or newer. To run the application:\n" +
"\n" +
" $ (cd programs/server && npm install)\n" +
" $ export MONGO_URL='mongodb://user:password@host:port/databasename'\n" +
" $ export ROOT_URL='http://example.com'\n" +
" $ export MAIL_URL='smtp://user:password@mailhost:port/'\n" +
" $ node main.js\n" +
"\n" +
"Use the PORT environment variable to set the port where the\n" +
"application will listen. The default is 80, but that will require\n" +
"root on most systems.\n" +
"\n" +
"Find out more about Meteor at meteor.com.\n",
'utf8')});
}
// Merge the WatchSet of everything that went into the bundle.
var clientWatchSet = new watch.WatchSet();
var serverWatchSet = new watch.WatchSet();
var dependencySources = [builder].concat(_.values(targets));
_.each(dependencySources, function (s) {
if (s instanceof ClientTarget) {
clientWatchSet.merge(s.getWatchSet());
} else {
serverWatchSet.merge(s.getWatchSet());
}
});
_.each(targets, function (target, name) {
json.programs.push(writeTargetToPath(name, target, builder.buildPath, {
includeNodeModulesSymlink: options.includeNodeModulesSymlink,
builtBy: options.builtBy,
controlProgram: options.controlProgram,
releaseName: options.releaseName,
getRelativeTargetPath: options.getRelativeTargetPath
}));
});
// Control file
builder.writeJson('star.json', json);
// We did it!
builder.complete();
return {
clientWatchSet: clientWatchSet,
serverWatchSet: serverWatchSet,
starManifest: json
};
} catch (e) {
builder.abort();
throw e;
}
};
///////////////////////////////////////////////////////////////////////////////
// Main
///////////////////////////////////////////////////////////////////////////////
/**
* Builds a Meteor app.
*
* options are:
* - outputPath: Required. Path to the directory where the output (a
* untarred bundle) should go. This directory will be created if it
* doesn't exist, and removed first if it does exist.
*
* - includeNodeModulesSymlink: if set, we create a symlink from
* programs/server/node_modules to the dev bundle's lib/node_modules.
* This is a hack to make 'meteor run' faster. (We can't just set
* $NODE_PATH because then random node_modules directories above cwd
* take precedence.) To make it even hackier, this also means we
* make node_modules directories for packages symlinks instead of
* copies.
*
* - buildOptions: may include
* - minify: minify the CSS and JS assets (boolean, default false)
* - serverArch: the server architecture to target
* (defaults to archinfo.host())
* - webArchs: an array of web archs to target
*
* - hasCachedBundle: true if we already have a cached bundle stored in
* /build. When true, we only build the new client targets in the bundle.
*
* Returns an object with keys:
* - errors: A buildmessage.MessageSet, or falsy if bundling succeeded.
* - watchSet: Information about files and paths that were
* inputs into the bundle and that we may wish to monitor for
* changes when developing interactively, as a watch.WatchSet.
*
* On failure ('errors' is truthy), no bundle will be output (in fact,
* outputPath will have been removed if it existed).
*
* The currently running version of Meteor (release.current) must
* match the version called for by the app (unless release.forced is
* true, meaning that the user explicitly forced us to use this
* release).
*
* Note that when you run "meteor test-packages", appDir points to the
* test harness, while the local package search paths in 'release'
* will point somewhere else -- into the app (if any) whose packages
* you are testing!
*/
exports.bundle = function (options) {
// bundler.bundle is never called by uniload, so it always uses
// the complete catalog.
var whichCatalog = catalog.complete;
var outputPath = options.outputPath;
var includeNodeModulesSymlink = !!options.includeNodeModulesSymlink;
var buildOptions = options.buildOptions || {};
var appDir = project.project.rootDir;
var serverArch = buildOptions.serverArch || archinfo.host();
var webArchs = buildOptions.webArchs || [ "web.browser" ];
var releaseName =
release.current.isCheckout() ? "none" : release.current.name;
var builtBy = "Meteor" + (release.current.name ?
" " + release.current.name : "");
var success = false;
var serverWatchSet = new watch.WatchSet();
var clientWatchSet = new watch.WatchSet();
var starResult = null;
var targets = {};
var messages = buildmessage.capture({
title: "building the application"
}, function () {
if (! release.usingRightReleaseForApp(appDir))
throw new Error("running wrong release for app?");
var packageLoader = project.project.getPackageLoader();
var downloaded = tropohouse.default.downloadMissingPackages(
project.project.dependencies, { serverArch: serverArch });
if (_.keys(downloaded).length !==
_.keys(project.project.dependencies).length) {
buildmessage.error("Unable to download package builds for this architecture.");
// Recover by returning.
return;
}
var controlProgram = null;
var makeClientTarget = function (app, webArch) {
var client = new ClientTarget({
packageLoader: packageLoader,
arch: webArch
});
client.make({
packages: [app],
minify: buildOptions.minify,
addCacheBusters: true
});
return client;
};
var makeBlankClientTarget = function () {
var client = new ClientTarget({
packageLoader: packageLoader,
arch: "web.browser"
});
client.make({
minify: buildOptions.minify,
addCacheBusters: true
});
return client;
};
var makeServerTarget = function (app, clientTarget) {
var targetOptions = {
packageLoader: packageLoader,
arch: serverArch,
releaseName: releaseName
};
if (clientTarget)
targetOptions.clientTarget = clientTarget;
var server = new ServerTarget(targetOptions);
server.make({
packages: [app],
minify: false
});
return server;
};
// Include default targets, unless there's a no-default-targets file in the
// top level of the app. (This is a very hacky interface which will
// change. Note, eg, that .meteor/packages is confusingly ignored in this
// case.)
var includeDefaultTargets = watch.readAndWatchFile(
serverWatchSet, path.join(appDir, 'no-default-targets')) === null;
if (includeDefaultTargets) {
// Create a Unipackage object that represents the app
var packageSource = new PackageSource(whichCatalog);
packageSource.initFromAppDir(appDir, exports.ignoreFiles);
var app = compiler.compile(packageSource).unipackage;
// Client
_.each(webArchs, function (arch) {
var client = makeClientTarget(app, arch);
targets[arch] = client;
});
// Create a browser client if one doesn't exist already.
var browserClient = targets["web.browser"];
if (! browserClient) {
browserClient = makeBlankClientTarget(app);
targets["web.browser"] = browserClient;
}
// Server
if (! options.hasCachedBundle) {
var server = makeServerTarget(app, browserClient);
server.clientTarget = browserClient;
targets.server = server;
}
}
// Pick up any additional targets in /programs
// Step 1: scan for targets and make a list. We will reload if you create a
// new subdir in 'programs', or create 'programs' itself.
var programs = [];
var programsDir = project.project.getProgramsDirectory();
var programsSubdirs = project.project.getProgramsSubdirs({
watchSet: serverWatchSet
});
_.each(programsSubdirs, function (item) {
// Remove trailing slash.
item = item.substr(0, item.length - 1);
if (_.has(targets, item)) {
buildmessage.error("duplicate programs named '" + item + "'");
// Recover by ignoring this program
return;
}
// Programs must (for now) contain a `package.js` file. If not, then
// perhaps the directory we are seeing is left over from another git
// branch or something and we should ignore it. We don't actually parse
// the package.js file here, though (but we do restart if it is later
// added or changed).
if (watch.readAndWatchFile(
serverWatchSet, path.join(programsDir, item, 'package.js')) === null) {
return;
}
targets[item] = true; // will be overwritten with actual target later
// Read attributes.json, if it exists
var attrsJsonAbsPath = path.join(programsDir, item, 'attributes.json');
var attrsJsonRelPath = path.join('programs', item, 'attributes.json');
var attrsJsonContents = watch.readAndWatchFile(
serverWatchSet, attrsJsonAbsPath);
var attrsJson = {};
if (attrsJsonContents !== null) {
try {
attrsJson = JSON.parse(attrsJsonContents);
} catch (e) {
if (! (e instanceof SyntaxError))
throw e;
buildmessage.error(e.message, { file: attrsJsonRelPath });
// recover by ignoring attributes.json
}
}
var isControlProgram = !! attrsJson.isControlProgram;
if (isControlProgram) {
if (controlProgram !== null) {
buildmessage.error(
"there can be only one control program ('" + controlProgram +
"' is also marked as the control program)",
{ file: attrsJsonRelPath });
// recover by ignoring that it wants to be the control
// program
} else {
controlProgram = item;
}
}
// Add to list
programs.push({
type: attrsJson.type || "server",
name: item,
path: path.join(programsDir, item),
client: attrsJson.client,
attrsJsonRelPath: attrsJsonRelPath
});
});
if (! controlProgram) {
if (_.has(targets, 'ctl')) {
buildmessage.error(
"A program named ctl exists but no program has isControlProgram set");
// recover by not making a control program
} else {
var target = makeServerTarget("ctl");
targets["ctl"] = target;
controlProgram = "ctl";
}
}
// Step 2: sort the list so that client programs are built first (because
// when we build the servers we need to be able to reference the clients)
programs.sort(function (a, b) {
a = (a.type === "client") ? 0 : 1;
b = (b.type === "client") ? 0 : 1;
return a > b;
});
// Step 3: build the programs
var blankClientTarget = null;
_.each(programs, function (p) {
// Read this directory as a package and create a target from
// it
var pkg = whichCatalog.packageCache.loadPackageAtPath(p.name, p.path);
var target;
switch (p.type) {
case "server":
target = makeServerTarget(pkg);
break;
case "traditional":
var clientTarget;
if (! p.client) {
if (! blankClientTarget) {
clientTarget = blankClientTarget = targets._blank =
makeBlankClientTarget();
} else {
clientTarget = blankClientTarget;
}
} else {
clientTarget = targets[p.client];
if (! clientTarget) {
buildmessage.error("no such program '" + p.client + "'",
{ file: p.attrsJsonRelPath });
// recover by ignoring target
return;
}
}
// We don't check whether targets[p.client] is actually a
// ClientTarget. If you want to be clever, go ahead.
target = makeServerTarget(pkg, clientTarget);
break;
case "client":
target = makeClientTarget(pkg, "web.browser");
break;
default:
buildmessage.error(
"type must be 'server', 'traditional', or 'client'",
{ file: p.attrsJsonRelPath });
// recover by ignoring target
return;
};
targets[p.name] = target;
});
// If we omitted a target due to an error, we might not have a
// controlProgram anymore.
if (! (controlProgram in targets))
controlProgram = undefined;
// Hack to let servers find relative paths to clients. Should find
// another solution eventually (probably some kind of mount
// directive that mounts the client bundle in the server at runtime)
var getRelativeTargetPath = function (options) {
var pathForTarget = function (target) {
var name;
_.each(targets, function (t, n) {
if (t === target)
name = n;
});
if (! name)
throw new Error("missing target?");
return path.join('programs', name);
};
return path.relative(pathForTarget(options.relativeTo),
pathForTarget(options.forTarget));
};
// Write to disk
var writeOptions = {
includeNodeModulesSymlink: includeNodeModulesSymlink,
builtBy: builtBy,
controlProgram: controlProgram,
releaseName: releaseName,
getRelativeTargetPath: getRelativeTargetPath
};
if (options.hasCachedBundle) {
// If we already have a cached bundle, just recreate the new targets.
// XXX This might make the contents of "star.json" out of date.
_.each(targets, function (target, name) {
writeTargetToPath(name, target, outputPath, writeOptions);
clientWatchSet.merge(target.getWatchSet());
});
} else {
starResult = writeSiteArchive(targets, outputPath, writeOptions);
serverWatchSet.merge(starResult.serverWatchSet);
clientWatchSet.merge(starResult.clientWatchSet);
}
success = true;
});
if (success && messages.hasMessages())
success = false; // there were errors
return {
errors: success ? false : messages,
serverWatchSet: serverWatchSet,
clientWatchSet: clientWatchSet,
starManifest: starResult && starResult.starManifest
};
};
// Make a JsImage object (a complete, linked, ready-to-go JavaScript
// program). It can either be loaded into memory with load(), which
// returns the `Package` object inside the plugin's namespace, or
// saved to disk with write(builder).
//
// Returns an object with keys:
// - image: The created JsImage object.
// - watchSet: Source file WatchSet (see bundle()).
//
// XXX return an 'errors' key for symmetry with bundle(), rather than
// letting exceptions escape?
//
// options:
// - packageLoader: required. the PackageLoader for resolving
// bundle-time dependencies
// - name: required. a name for this image (cosmetic, but will appear
// in, eg, error messages) -- technically speaking, this is the name
// of the package created to contain the sources and package
// dependencies set up below
// - use: list of packages to use in the plugin, as strings (foo or foo.bar)
// - sources: source files to use (paths on local disk)
// - sourceRoot: path relative to which sources should be
// interpreted. please set it to something reasonable so that any error
// messages will look pretty.
// - npmDependencies: map from npm package name to required version
// - npmDir: where to keep the npm cache and npm version shrinkwrap
// info. required if npmDependencies present.
//
// XXX currently any symbols exported by the plugin will get mapped
// into 'Package.<plugin name>' within the plugin, so name should not
// be the name of any package that is included (directly or
// transitively) in the plugin build. obviously this is unfortunate.
// It would be nice to have a way to say "make this package anonymous"
// without also saying "make its namespace the same as the global
// namespace." It should be an easy refactor,
exports.buildJsImage = function (options) {
buildmessage.assertInCapture();
if (options.npmDependencies && ! options.npmDir)
throw new Error("Must indicate .npm directory to use");
if (! options.name)
throw new Error("Must provide a name");
if (! options.catalog)
throw new Error("Must provide a catalog");
var packageSource = new PackageSource(options.catalog);
packageSource.initFromOptions(options.name, {
archName: "plugin",
use: options.use || [],
sourceRoot: options.sourceRoot,
sources: options.sources || [],
serveRoot: path.sep,
npmDependencies: options.npmDependencies,
npmDir: options.npmDir,
dependencyVersions: options.dependencyVersions,
noVersionFile: true
});
var unipackage = compiler.compile(packageSource, {
ignoreProjectDeps: options.ignoreProjectDeps
}).unipackage;
var target = new JsImageTarget({
packageLoader: options.packageLoader,
// This function does not yet support cross-compilation (neither does
// initFromOptions). That's OK for now since we're only trying to support
// cross-bundling, not cross-package-building, and this function is only
// used to build plugins (during package build) and for unipackage.load
// (which always wants to build for the current host).
arch: archinfo.host()
});
target.make({ packages: [unipackage] });
return {
image: target.toJsImage(),
watchSet: target.getWatchSet(),
pluginProviderPackageDirs: target.getPluginProviderPackageDirs()
};
};
// Load a JsImage from disk (that was previously written by calling
// write() on a JsImage). `controlFilePath` is the path to the control
// file (eg, program.json).
exports.readJsImage = function (controlFilePath) {
return JsImage.readFromDisk(controlFilePath);
};
// Given an array of unipackage names, invokes the callback with each
// corresponding Unipackage object, plus all of their transitive dependencies,
// with a topological sort.
exports.iterateOverAllUsedUnipackages = function (loader, arch,
packageNames, callback) {
buildmessage.assertInCapture();
var target = new Target({packageLoader: loader,
arch: arch});
target._determineLoadOrder({packages: packageNames});
_.each(target.unibuilds, function (unibuild) {
callback(unibuild.pkg);
});
};