236 lines
9.1 KiB
JavaScript
236 lines
9.1 KiB
JavaScript
/*---------------------------------------------------------------------------------------------
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
|
* Licensed under the MIT License. See License.txt in the project root for license information.
|
|
*--------------------------------------------------------------------------------------------*/
|
|
'use strict';
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
var path = require("path");
|
|
var gulp = require("gulp");
|
|
var sourcemaps = require("gulp-sourcemaps");
|
|
var filter = require("gulp-filter");
|
|
var minifyCSS = require("gulp-cssnano");
|
|
var uglify = require("gulp-uglify");
|
|
var composer = require("gulp-uglify/composer");
|
|
var uglifyes = require("uglify-es");
|
|
var es = require("event-stream");
|
|
var concat = require("gulp-concat");
|
|
var VinylFile = require("vinyl");
|
|
var bundle = require("./bundle");
|
|
var util = require("./util");
|
|
var i18n = require("./i18n");
|
|
var gulpUtil = require("gulp-util");
|
|
var flatmap = require("gulp-flatmap");
|
|
var pump = require("pump");
|
|
var REPO_ROOT_PATH = path.join(__dirname, '../..');
|
|
function log(prefix, message) {
|
|
gulpUtil.log(gulpUtil.colors.cyan('[' + prefix + ']'), message);
|
|
}
|
|
function loaderConfig(emptyPaths) {
|
|
var result = {
|
|
paths: {
|
|
'vs': 'out-build/vs',
|
|
'vscode': 'empty:'
|
|
},
|
|
nodeModules: emptyPaths || []
|
|
};
|
|
result['vs/css'] = { inlineResources: true };
|
|
return result;
|
|
}
|
|
exports.loaderConfig = loaderConfig;
|
|
var IS_OUR_COPYRIGHT_REGEXP = /Copyright \(C\) Microsoft Corporation/i;
|
|
function loader(bundledFileHeader, bundleLoader) {
|
|
var sources = [
|
|
'out-build/vs/loader.js'
|
|
];
|
|
if (bundleLoader) {
|
|
sources = sources.concat([
|
|
'out-build/vs/css.js',
|
|
'out-build/vs/nls.js'
|
|
]);
|
|
}
|
|
var isFirst = true;
|
|
return (gulp
|
|
.src(sources, { base: 'out-build' })
|
|
.pipe(es.through(function (data) {
|
|
if (isFirst) {
|
|
isFirst = false;
|
|
this.emit('data', new VinylFile({
|
|
path: 'fake',
|
|
base: '',
|
|
contents: Buffer.from(bundledFileHeader)
|
|
}));
|
|
this.emit('data', data);
|
|
}
|
|
else {
|
|
this.emit('data', data);
|
|
}
|
|
}))
|
|
.pipe(util.loadSourcemaps())
|
|
.pipe(concat('vs/loader.js'))
|
|
.pipe(es.mapSync(function (f) {
|
|
f.sourceMap.sourceRoot = util.toFileUri(path.join(REPO_ROOT_PATH, 'src'));
|
|
return f;
|
|
})));
|
|
}
|
|
function toConcatStream(bundledFileHeader, sources, dest) {
|
|
var useSourcemaps = /\.js$/.test(dest) && !/\.nls\.js$/.test(dest);
|
|
// If a bundle ends up including in any of the sources our copyright, then
|
|
// insert a fake source at the beginning of each bundle with our copyright
|
|
var containsOurCopyright = false;
|
|
for (var i = 0, len = sources.length; i < len; i++) {
|
|
var fileContents = sources[i].contents;
|
|
if (IS_OUR_COPYRIGHT_REGEXP.test(fileContents)) {
|
|
containsOurCopyright = true;
|
|
break;
|
|
}
|
|
}
|
|
if (containsOurCopyright) {
|
|
sources.unshift({
|
|
path: null,
|
|
contents: bundledFileHeader
|
|
});
|
|
}
|
|
var treatedSources = sources.map(function (source) {
|
|
var root = source.path ? REPO_ROOT_PATH.replace(/\\/g, '/') : '';
|
|
var base = source.path ? root + '/out-build' : '';
|
|
return new VinylFile({
|
|
path: source.path ? root + '/' + source.path.replace(/\\/g, '/') : 'fake',
|
|
base: base,
|
|
contents: Buffer.from(source.contents)
|
|
});
|
|
});
|
|
return es.readArray(treatedSources)
|
|
.pipe(useSourcemaps ? util.loadSourcemaps() : es.through())
|
|
.pipe(concat(dest));
|
|
}
|
|
function toBundleStream(bundledFileHeader, bundles) {
|
|
return es.merge(bundles.map(function (bundle) {
|
|
return toConcatStream(bundledFileHeader, bundle.sources, bundle.dest);
|
|
}));
|
|
}
|
|
function optimizeTask(opts) {
|
|
var entryPoints = opts.entryPoints;
|
|
var otherSources = opts.otherSources;
|
|
var resources = opts.resources;
|
|
var loaderConfig = opts.loaderConfig;
|
|
var bundledFileHeader = opts.header;
|
|
var bundleLoader = (typeof opts.bundleLoader === 'undefined' ? true : opts.bundleLoader);
|
|
var out = opts.out;
|
|
return function () {
|
|
var bundlesStream = es.through(); // this stream will contain the bundled files
|
|
var resourcesStream = es.through(); // this stream will contain the resources
|
|
var bundleInfoStream = es.through(); // this stream will contain bundleInfo.json
|
|
bundle.bundle(entryPoints, loaderConfig, function (err, result) {
|
|
if (err) {
|
|
return bundlesStream.emit('error', JSON.stringify(err));
|
|
}
|
|
toBundleStream(bundledFileHeader, result.files).pipe(bundlesStream);
|
|
// Remove css inlined resources
|
|
var filteredResources = resources.slice();
|
|
result.cssInlinedResources.forEach(function (resource) {
|
|
if (process.env['VSCODE_BUILD_VERBOSE']) {
|
|
log('optimizer', 'excluding inlined: ' + resource);
|
|
}
|
|
filteredResources.push('!' + resource);
|
|
});
|
|
gulp.src(filteredResources, { base: 'out-build' }).pipe(resourcesStream);
|
|
var bundleInfoArray = [];
|
|
if (opts.bundleInfo) {
|
|
bundleInfoArray.push(new VinylFile({
|
|
path: 'bundleInfo.json',
|
|
base: '.',
|
|
contents: Buffer.from(JSON.stringify(result.bundleData, null, '\t'))
|
|
}));
|
|
}
|
|
es.readArray(bundleInfoArray).pipe(bundleInfoStream);
|
|
});
|
|
var otherSourcesStream = es.through();
|
|
var otherSourcesStreamArr = [];
|
|
gulp.src(otherSources, { base: 'out-build' })
|
|
.pipe(es.through(function (data) {
|
|
otherSourcesStreamArr.push(toConcatStream(bundledFileHeader, [data], data.relative));
|
|
}, function () {
|
|
if (!otherSourcesStreamArr.length) {
|
|
setTimeout(function () { otherSourcesStream.emit('end'); }, 0);
|
|
}
|
|
else {
|
|
es.merge(otherSourcesStreamArr).pipe(otherSourcesStream);
|
|
}
|
|
}));
|
|
var result = es.merge(loader(bundledFileHeader, bundleLoader), bundlesStream, otherSourcesStream, resourcesStream, bundleInfoStream);
|
|
return result
|
|
.pipe(sourcemaps.write('./', {
|
|
sourceRoot: null,
|
|
addComment: true,
|
|
includeContent: true
|
|
}))
|
|
.pipe(i18n.processNlsFiles({
|
|
fileHeader: bundledFileHeader,
|
|
languages: opts.languages
|
|
}))
|
|
.pipe(gulp.dest(out));
|
|
};
|
|
}
|
|
exports.optimizeTask = optimizeTask;
|
|
/**
|
|
* Wrap around uglify and allow the preserveComments function
|
|
* to have a file "context" to include our copyright only once per file.
|
|
*/
|
|
function uglifyWithCopyrights() {
|
|
var preserveComments = function (f) {
|
|
return function (node, comment) {
|
|
var text = comment.value;
|
|
var type = comment.type;
|
|
if (/@minifier_do_not_preserve/.test(text)) {
|
|
return false;
|
|
}
|
|
var isOurCopyright = IS_OUR_COPYRIGHT_REGEXP.test(text);
|
|
if (isOurCopyright) {
|
|
if (f.__hasOurCopyright) {
|
|
return false;
|
|
}
|
|
f.__hasOurCopyright = true;
|
|
return true;
|
|
}
|
|
if ('comment2' === type) {
|
|
// check for /*!. Note that text doesn't contain leading /*
|
|
return (text.length > 0 && text[0] === '!') || /@preserve|license|@cc_on|copyright/i.test(text);
|
|
}
|
|
else if ('comment1' === type) {
|
|
return /license|copyright/i.test(text);
|
|
}
|
|
return false;
|
|
};
|
|
};
|
|
var minify = composer(uglifyes);
|
|
var input = es.through();
|
|
var output = input
|
|
.pipe(flatmap(function (stream, f) {
|
|
return stream.pipe(minify({
|
|
output: {
|
|
comments: preserveComments(f),
|
|
max_line_len: 1024
|
|
}
|
|
}));
|
|
}));
|
|
return es.duplex(input, output);
|
|
}
|
|
function minifyTask(src, sourceMapBaseUrl) {
|
|
var sourceMappingURL = sourceMapBaseUrl && (function (f) { return sourceMapBaseUrl + "/" + f.relative + ".map"; });
|
|
return function (cb) {
|
|
var jsFilter = filter('**/*.js', { restore: true });
|
|
var cssFilter = filter('**/*.css', { restore: true });
|
|
pump(gulp.src([src + '/**', '!' + src + '/**/*.map']), jsFilter, sourcemaps.init({ loadMaps: true }), uglifyWithCopyrights(), jsFilter.restore, cssFilter, minifyCSS({ reduceIdents: false }), cssFilter.restore, sourcemaps.write('./', {
|
|
sourceMappingURL: sourceMappingURL,
|
|
sourceRoot: null,
|
|
includeContent: true,
|
|
addComment: true
|
|
}), gulp.dest(src + '-min'), function (err) {
|
|
if (err instanceof uglify.GulpUglifyError) {
|
|
console.error("Uglify error in '" + (err.cause && err.cause.filename) + "'");
|
|
}
|
|
cb(err);
|
|
});
|
|
};
|
|
}
|
|
exports.minifyTask = minifyTask;
|