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gulpfile.js
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/**
* Copyright 2017 The AMP HTML Authors. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
checkMinVersion();
var $$ = require('gulp-load-plugins')();
var babel = require('babelify');
var browserify = require('browserify');
var buffer = require('vinyl-buffer');
var closureCompile = require('./build-system/tasks/compile').closureCompile;
var cleanupBuildDir = require('./build-system/tasks/compile').cleanupBuildDir;
var jsifyCssAsync = require('./build-system/tasks/jsify-css').jsifyCssAsync;
var applyConfig = require('./build-system/tasks/prepend-global/index.js').applyConfig;
var removeConfig = require('./build-system/tasks/prepend-global/index.js').removeConfig;
var fs = require('fs-extra');
var gulp = $$.help(require('gulp'));
var lazypipe = require('lazypipe');
var minimatch = require('minimatch');
var minimist = require('minimist');
var source = require('vinyl-source-stream');
var touch = require('touch');
var watchify = require('watchify');
var internalRuntimeVersion = require('./build-system/internal-version').VERSION;
var internalRuntimeToken = require('./build-system/internal-version').TOKEN;
var argv = minimist(process.argv.slice(2), {boolean: ['strictBabelTransform']});
require('./build-system/tasks');
var hostname = argv.hostname || 'cdn.ampproject.org';
var hostname3p = argv.hostname3p || '3p.ampproject.net';
// All declared extensions.
var extensions = {};
var extensionAliasFilePath = {};
var green = $$.util.colors.green;
var yellow = $$.util.colors.yellow;
var red = $$.util.colors.red;
var cyan = $$.util.colors.cyan;
var minifiedRuntimeTarget = 'dist/v0.js';
var minified3pTarget = 'dist.3p/current-min/f.js';
var unminifiedRuntimeTarget = 'dist/amp.js';
var unminified3pTarget = 'dist.3p/current/integration.js';
// Each extension and version must be listed individually here.
declareExtension('amp-3q-player', '0.1', false);
declareExtension('amp-access', '0.1', true);
declareExtension('amp-access-laterpay', '0.1', true);
declareExtension('amp-accordion', '0.1', false);
declareExtension('amp-ad', '0.1', true);
declareExtension('amp-ad-network-adsense-impl', 0.1, false);
declareExtension('amp-ad-network-doubleclick-impl', 0.1, false);
declareExtension('amp-ad-network-fake-impl', 0.1, false);
declareExtension('amp-ad-network-triplelift-impl', 0.1, false);
declareExtension('amp-ad-network-cloudflare-impl', 0.1, false);
declareExtension('amp-ad-network-gmossp-impl', 0.1, false);
declareExtension('amp-ad-exit', 0.1, false);
declareExtension('amp-analytics', '0.1', false);
declareExtension('amp-anim', '0.1', false);
declareExtension('amp-animation', '0.1', false);
declareExtension('amp-apester-media', '0.1', true);
declareExtension('amp-app-banner', '0.1', true);
declareExtension('amp-audio', '0.1', false);
declareExtension('amp-auto-ads', '0.1', false);
declareExtension('amp-bind', '0.1', false);
declareExtension('amp-brid-player', '0.1', false);
declareExtension('amp-brightcove', '0.1', false);
declareExtension('amp-kaltura-player', '0.1', false);
declareExtension('amp-call-tracking', '0.1', false);
declareExtension('amp-carousel', '0.1', true);
declareExtension('amp-compare-slider', '0.1', false);
declareExtension('amp-crypto-polyfill', '0.1', false);
declareExtension('amp-dailymotion', '0.1', false);
declareExtension('amp-dynamic-css-classes', '0.1', false);
declareExtension('amp-experiment', '0.1', false);
declareExtension('amp-facebook', '0.1', false);
declareExtension('amp-facebook-comments', '0.1', false);
declareExtension('amp-facebook-like', '0.1', false);
declareExtension('amp-fit-text', '0.1', true);
declareExtension('amp-font', '0.1', false);
declareExtension('amp-form', '0.1', true);
declareExtension('amp-fx-flying-carpet', '0.1', true);
declareExtension('amp-fx-parallax', '0.1', false);
declareExtension('amp-gfycat', '0.1', false);
declareExtension('amp-gist', '0.1', false);
declareExtension('amp-gwd-animation', '0.1', true);
declareExtension('amp-hulu', '0.1', false);
declareExtension('amp-iframe', '0.1', false);
declareExtension('amp-ima-video', '0.1', false);
declareExtension('amp-image-lightbox', '0.1', true);
declareExtension('amp-imgur', '0.1', false);
declareExtension('amp-instagram', '0.1', true);
declareExtension('amp-install-serviceworker', '0.1', false);
declareExtension('amp-izlesene', '0.1', false);
declareExtension('amp-jwplayer', '0.1', false);
declareExtension('amp-lightbox', '0.1', true);
declareExtension('amp-lightbox-viewer', '0.1', true);
declareExtension('amp-list', '0.1', false);
declareExtension('amp-live-list', '0.1', true);
declareExtension('amp-mustache', '0.1', false);
declareExtension('amp-nexxtv-player', '0.1', false);
declareExtension('amp-o2-player', '0.1', false);
declareExtension('amp-ooyala-player', '0.1', false);
declareExtension('amp-pinterest', '0.1', true);
declareExtension('amp-playbuzz', '0.1', true);
declareExtension('amp-reach-player', '0.1', false);
declareExtension('amp-reddit', '0.1', false);
declareExtension('amp-riddle-quiz', '0.1', false);
declareExtension('amp-share-tracking', '0.1', false);
declareExtension('amp-sidebar', '0.1', true);
declareExtension('amp-soundcloud', '0.1', false);
declareExtension('amp-springboard-player', '0.1', false);
declareExtension('amp-sticky-ad', '1.0', true);
declareExtension('amp-story', '0.1', true);
declareExtension('amp-selector', '0.1', true);
declareExtension('amp-web-push', '0.1', true);
declareExtension('amp-position-observer', '0.1', false);
declareExtension('amp-date-picker', '0.1', true);
/**
* @deprecated `amp-slides` is deprecated and will be deleted before 1.0.
* Please see {@link AmpCarousel} with `type=slides` attribute instead.
*/
declareExtension('amp-slides', '0.1', false);
declareExtension('amp-social-share', '0.1', true);
declareExtension('amp-timeago', '0.1', false);
declareExtension('amp-twitter', '0.1', false);
declareExtension('amp-user-notification', '0.1', true);
declareExtension('amp-vimeo', '0.1', false);
declareExtension('amp-vine', '0.1', false);
declareExtension('amp-viz-vega', '0.1', true);
declareExtension('amp-google-vrview-image', '0.1', false);
declareExtension('amp-viewer-integration', '0.1', {
// The viewer integration code needs to run asap, so that viewers
// can influence document state asap. Otherwise the document may take
// a long time to learn that it should start process other extensions
// faster.
loadPriority: 'high',
});
declareExtension('amp-video', '0.1', false);
declareExtension('amp-vk', '0.1', false);
declareExtension('amp-youtube', '0.1', false);
declareExtensionVersionAlias(
'amp-sticky-ad', '0.1', /* lastestVersion */ '1.0', /* hasCss */ true);
/**
* @param {string} name
* @param {string} version E.g. 0.1
* @param {boolean|!Object} hasCssOrOptions Whether the extension comes with CSS
* or an extension options object.
*/
function declareExtension(name, version, hasCssOrOptions) {
var hasCss = false;
var options = {};
if (typeof hasCssOrOptions == 'boolean') {
hasCss = hasCssOrOptions;
} else {
options = hasCssOrOptions
}
extensions[name + '-' + version] = Object.assign({
name: name,
version: version,
hasCss: hasCss,
}, options);
}
/**
* This function is used for declaring deprecated extensions. It simply places the current
* version code in place of the latest versions.
* This has the ability to break an extension verison, so please be sure that this is
* the correct one to use.
* @param {string} name
* @param {string} version E.g. 0.1
* @param {string} lastestVersion
* @param {boolean} hasCss
*/
function declareExtensionVersionAlias(name, version, lastestVersion, hasCss) {
extensionAliasFilePath[name + '-' + version + '.js'] =
name + '-' + lastestVersion + '.js';
if (hasCss) {
extensionAliasFilePath[name + '-' + version + '.css'] =
name + '-' + lastestVersion + '.css';
}
}
/**
* Stops the timer for the given build step and prints the execution time,
* unless we are on Travis.
* @param {string} stepName Name of the action, like 'Compiled' or 'Minified'
* @param {string} targetName Name of the target, like a filename or path
* @param {DOMHighResTimeStamp} startTime Start time of build step
*/
function endBuildStep(stepName, targetName, startTime) {
const endTime = Date.now();
const executionTime = new Date(endTime - startTime);
const secs = executionTime.getSeconds();
const ms = ('000' + executionTime.getMilliseconds().toString()).slice(-3);
var timeString = '(';
if (secs === 0) {
timeString += ms + ' ms)';
} else {
timeString += secs + '.' + ms + ' s)';
}
if (!process.env.TRAVIS) {
$$.util.log(stepName, cyan(targetName), green(timeString));
}
}
/**
* Build all the AMP extensions
*
* @param {!Object} options
* @return {!Promise}
*/
function buildExtensions(options) {
var results = [];
for (var key in extensions) {
var e = extensions[key];
var o = Object.assign({}, options);
o = Object.assign(o, e);
results.push(buildExtension(e.name, e.version, e.hasCss, o, e.extraGlobs));
}
return Promise.all(results);
}
/**
* Compile the polyfills script and drop it in the build folder
* @return {!Promise}
*/
function polyfillsForTests() {
return compileJs('./src/', 'polyfills.js', './build/');
}
/**
* Compile and optionally minify the stylesheets and the scripts
* and drop them in the dist folder
*
* @param {boolean} watch
* @param {boolean} shouldMinify
* @param {boolean=} opt_preventRemoveAndMakeDir
* @param {boolean=} opt_checkTypes
* @return {!Promise}
*/
function compile(watch, shouldMinify, opt_preventRemoveAndMakeDir,
opt_checkTypes) {
var promises = [
compileJs('./3p/', 'integration.js',
'./dist.3p/' + (shouldMinify ? internalRuntimeVersion : 'current'), {
minifiedName: 'f.js',
checkTypes: opt_checkTypes,
watch: watch,
minify: shouldMinify,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
externs: ['ads/ads.extern.js',],
include3pDirectories: true,
includePolyfills: true,
}),
compileJs('./3p/', 'ampcontext-lib.js',
'./dist.3p/' + (shouldMinify ? internalRuntimeVersion : 'current'), {
minifiedName: 'ampcontext-v0.js',
checkTypes: opt_checkTypes,
watch: watch,
minify: shouldMinify,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
externs: ['ads/ads.extern.js',],
include3pDirectories: true,
includePolyfills: false,
}),
compileJs('./3p/', 'iframe-transport-client-lib.js',
'./dist.3p/' + (shouldMinify ? internalRuntimeVersion : 'current'), {
minifiedName: 'iframe-transport-client-v0.js',
checkTypes: opt_checkTypes,
watch: watch,
minify: shouldMinify,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
externs: ['ads/ads.extern.js',],
include3pDirectories: true,
includePolyfills: false,
}),
// For compilation with babel we start with the amp-babel entry point,
// but then rename to the amp.js which we've been using all along.
compileJs('./src/', 'amp-babel.js', './dist', {
toName: 'amp.js',
minifiedName: 'v0.js',
includePolyfills: true,
checkTypes: opt_checkTypes,
watch: watch,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
minify: shouldMinify,
// If there is a sync JS error during initial load,
// at least try to unhide the body.
wrapper: 'try{(function(){<%= contents %>})()}catch(e){' +
'setTimeout(function(){' +
'var s=document.body.style;' +
's.opacity=1;' +
's.visibility="visible";' +
's.animation="none";' +
's.WebkitAnimation="none;"},1000);throw e};'
}),
compileJs('./extensions/amp-viewer-integration/0.1/examples/',
'amp-viewer-host.js', './dist/v0/examples', {
toName: 'amp-viewer-host.max.js',
minifiedName: 'amp-viewer-host.js',
incudePolyfills: true,
watch: watch,
extraGlobs: ['extensions/amp-viewer-integration/**/*.js'],
compilationLevel: 'WHITESPACE_ONLY',
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
minify: false,
}),
];
// We don't rerun type check for the shadow entry point for now.
if (!opt_checkTypes) {
if (!watch || argv.with_shadow) {
promises.push(
// Entry point for shadow runtime.
compileJs('./src/', 'amp-shadow-babel.js', './dist', {
toName: 'amp-shadow.js',
minifiedName: 'shadow-v0.js',
includePolyfills: true,
checkTypes: opt_checkTypes,
watch: watch,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
minify: shouldMinify,
})
);
}
if (!watch || argv.with_inabox) {
promises.push(
// Entry point for inabox runtime.
compileJs('./src/inabox/', 'amp-inabox.js', './dist', {
toName: 'amp-inabox.js',
minifiedName: 'amp4ads-v0.js',
includePolyfills: true,
extraGlobs: ['src/inabox/*.js', '3p/iframe-messaging-client.js'],
checkTypes: opt_checkTypes,
watch: watch,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
minify: shouldMinify,
wrapper: '<%= contents %>',
}),
// inabox-host
compileJs('./ads/inabox/', 'inabox-host.js', './dist', {
toName: 'amp-inabox-host.js',
minifiedName: 'amp4ads-host-v0.js',
includePolyfills: false,
checkTypes: opt_checkTypes,
watch: watch,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
minify: shouldMinify,
wrapper: '<%= contents %>',
})
);
}
promises.push(
thirdPartyBootstrap(
'3p/frame.max.html', 'frame.html', shouldMinify),
thirdPartyBootstrap(
'3p/nameframe.max.html', 'nameframe.html',shouldMinify)
);
if (watch) {
$$.watch('3p/nameframe.max.html', function() {
thirdPartyBootstrap(
'3p/nameframe.max.html', 'nameframe.html', shouldMinify);
});
$$.watch('3p/frame.max.html', function() {
thirdPartyBootstrap(
'3p/frame.max.html', 'frame.html', shouldMinify);
});
}
return Promise.all(promises);
}
}
/**
* Compile all the css and drop in the build folder
* @return {!Promise}
*/
function compileCss() {
// Print a message that could help speed up local development.
if (!process.env.TRAVIS && argv['_'].indexOf('test') != -1) {
$$.util.log(
green('To skip building during future test runs, use',
cyan('--nobuild'), 'with your', cyan('gulp test'), 'command.'));
}
const startTime = Date.now();
return jsifyCssAsync('css/amp.css')
.then(function(css) {
return toPromise(gulp.src('css/**.css')
.pipe($$.file('css.js', 'export const cssText = ' +
JSON.stringify(css)))
.pipe(gulp.dest('build'))
.on('end', function() {
mkdirSync('build');
mkdirSync('build/css');
fs.writeFileSync('build/css/v0.css', css);
}));
})
.then(() => {
endBuildStep('Recompiled CSS in', 'amp.css', startTime);
})
.then(() => {
return buildExtensions({
bundleOnlyIfListedInFiles: false,
compileOnlyCss: true
});
});
}
/**
* Copies the css from the build folder to the dist folder
* @return {!Promise}
*/
function copyCss() {
const startTime = Date.now();
fs.copySync('build/css/v0.css', 'dist/v0.css');
return toPromise(gulp.src('build/css/amp-*.css')
.pipe(gulp.dest('dist/v0')))
.then(() => {
endBuildStep('Copied', 'build/css/v0.css to dist/v0.css', startTime);
});
}
/**
* Enables watching for file changes in css, extensions.
* @return {!Promise}
*/
function watch() {
printConfigHelp('gulp watch');
$$.watch('css/**/*.css', function() {
compileCss();
});
return Promise.all([
compileCss(),
buildAlp({watch: true}),
buildExaminer({watch: true}),
buildExtensions({watch: true}),
compile(true),
]).then(() => {
return enableLocalTesting(unminifiedRuntimeTarget);
}).then(() => {
return enableLocalTesting(unminified3pTarget);
});
}
/**
* Copies extensions from
* extensions/$name/$version/$name.js
* to
* dist/v0/$name-$version.js
*
* Optionally copies the CSS at extensions/$name/$version/$name.css into
* a generated JS file that can be required from the extensions as
* `import {CSS} from '../../../build/$name-0.1.css';`
*
* @param {string} name Name of the extension. Must be the sub directory in
* the extensions directory and the name of the JS and optional CSS file.
* @param {string} version Version of the extension. Must be identical to
* the sub directory inside the extension directory
* @param {boolean} hasCss Whether there is a CSS file for this extension.
* @param {?Object} options
* @param {!Array=} opt_extraGlobs
* @return {!Promise}
*/
function buildExtension(name, version, hasCss, options, opt_extraGlobs) {
options = options || {};
options.extraGlobs = opt_extraGlobs;
if (options.compileOnlyCss && !hasCss) {
return Promise.resolve();
}
var path = 'extensions/' + name + '/' + version;
var jsPath = path + '/' + name + '.js';
var jsTestPath = path + '/test/' + 'test-' + name + '.js';
if (argv.files && options.bundleOnlyIfListedInFiles) {
const passedFiles = Array.isArray(argv.files) ? argv.files : [argv.files];
const shouldBundle = passedFiles.some(glob => {
return minimatch(jsPath, glob) || minimatch(jsTestPath, glob);
});
if (!shouldBundle) {
return Promise.resolve();
}
}
// Building extensions is a 2 step process because of the renaming
// and CSS inlining. This watcher watches the original file, copies
// it to the destination and adds the CSS.
if (options.watch) {
// Do not set watchers again when we get called by the watcher.
var copy = Object.create(options);
copy.watch = false;
$$.watch(path + '/*', function() {
buildExtension(name, version, hasCss, copy);
});
}
if (hasCss) {
mkdirSync('build');
mkdirSync('build/css');
const startTime = Date.now();
return jsifyCssAsync(path + '/' + name + '.css').then(function(css) {
var jsCss = 'export const CSS = ' + JSON.stringify(css) + ';\n';
var jsName = 'build/' + name + '-' + version + '.css.js';
var cssName = 'build/css/' + name + '-' + version + '.css';
fs.writeFileSync(jsName, jsCss, 'utf-8');
fs.writeFileSync(cssName, css, 'utf-8');
if (options.compileOnlyCss) {
return Promise.resolve();
}
return buildExtensionJs(path, name, version, options);
})
.then(() => {
endBuildStep('Recompiled CSS in', name, startTime);
});
} else {
return buildExtensionJs(path, name, version, options);
}
}
/**
* Build the JavaScript for the extension specified
*
* @param {string} path Path to the extensions directory
* @param {string} name Name of the extension. Must be the sub directory in
* the extensions directory and the name of the JS and optional CSS file.
* @param {string} version Version of the extension. Must be identical to
* the sub directory inside the extension directory
* @param {!Object} options
* @return {!Promise}
*/
function buildExtensionJs(path, name, version, options) {
var filename = options.filename || name + '.js';
if (options.loadPriority && options.loadPriority != 'high') {
throw new Error('Unsupported loadPriority: ' + options.loadPriority);
}
var priority = options.loadPriority ? 'p:"high",' : '';
return compileJs(path + '/', filename, './dist/v0', {
watch: options.watch,
preventRemoveAndMakeDir: options.preventRemoveAndMakeDir,
minify: options.minify,
toName: name + '-' + version + '.max.js',
minifiedName: name + '-' + version + '.js',
latestName: name + '-latest.js',
extraGlobs: options.extraGlobs,
// Wrapper that either registers the extension or schedules it for
// execution after the main binary comes back.
// The `function` is wrapped in `()` to avoid lazy parsing it,
// since it will be immediately executed anyway.
// See https://github.com/ampproject/amphtml/issues/3977
wrapper: options.noWrapper ? '' : ('(self.AMP=self.AMP||[])' +
'.push({n:"' + name + '",' + priority +
'v:"' + internalRuntimeVersion + '",' +
'f:(function(AMP){<%= contents %>\n})});'),
});
}
/**
* Prints a helpful message that lets the developer know how to switch configs.
* @param {string} command Command being run.
*/
function printConfigHelp(command) {
if (!process.env.TRAVIS) {
$$.util.log(
green('Building the runtime for local testing with the'),
cyan((argv.config === 'canary') ? 'canary' : 'prod'),
green('AMP config'));
$$.util.log(
green('To specify which config to apply, use',
cyan('--config={canary|prod}'), 'with your',
cyan(command), 'command'));
}
}
/**
* Enables runtime to be used for local testing by writing AMP_CONFIG to file.
* Called at the end of "gulp build" and "gulp dist --fortesting".
* @param {string} targetFile File to which the config is to be written.
*/
function enableLocalTesting(targetFile) {
let config = (argv.config === 'canary') ? 'canary' : 'prod';
let baseConfigFile = 'build-system/global-configs/' + config + '-config.json';
return removeConfig(targetFile).then(() => {
return applyConfig(
config, targetFile, baseConfigFile,
/* opt_localDev */ true, /* opt_localBranch */ true);
});
}
/**
* Main build
* @return {!Promise}
*/
function build() {
process.env.NODE_ENV = 'development';
printConfigHelp('gulp build');
return compileCss().then(() => {
return Promise.all([
polyfillsForTests(),
buildAlp(),
buildExaminer(),
buildSw(),
buildWebWorker(),
buildExtensions({bundleOnlyIfListedInFiles: true}),
compile(),
]);
}).then(() => {
return enableLocalTesting(unminifiedRuntimeTarget);
}).then(() => {
return enableLocalTesting(unminified3pTarget);
});
}
/**
* Dist Build
* @return {!Promise}
*/
function dist() {
process.env.NODE_ENV = 'production';
cleanupBuildDir();
if (argv.fortesting) {
printConfigHelp('gulp dist --fortesting')
}
return compileCss().then(() => {
return Promise.all([
compile(false, true, true),
// NOTE:
// When adding a line here, consider whether you need to include polyfills
// and whether you need to init logging (initLogConstructor).
buildAlp({minify: true, watch: false, preventRemoveAndMakeDir: true}),
buildExaminer({minify: true, watch: false, preventRemoveAndMakeDir: true}),
buildSw({minify: true, watch: false, preventRemoveAndMakeDir: true}),
buildWebWorker({minify: true, watch: false, preventRemoveAndMakeDir: true}),
buildExtensions({minify: true, preventRemoveAndMakeDir: true}),
buildExperiments({minify: true, watch: false, preventRemoveAndMakeDir: true}),
buildLoginDone({minify: true, watch: false, preventRemoveAndMakeDir: true}),
buildWebPushPublisherFiles({minify: true, watch: false, preventRemoveAndMakeDir: true}),
copyCss(),
]);
}).then(() => {
copyAliasExtensions();
}).then(() => {
if (argv.fortesting) {
return enableLocalTesting(minifiedRuntimeTarget);
}
}).then(() => {
if (argv.fortesting) {
return enableLocalTesting(minified3pTarget);
}
});
}
/**
* Copy built extension to alias extension
*/
function copyAliasExtensions() {
for (var key in extensionAliasFilePath) {
fs.copySync('dist/v0/' + extensionAliasFilePath[key], 'dist/v0/' + key);
}
}
/**
* Dedicated type check path.
* @return {!Promise}
*/
function checkTypes() {
process.env.NODE_ENV = 'production';
cleanupBuildDir();
// Disabled to improve type check performance, since this provides
// little incremental value.
/*buildExperiments({
minify: true,
checkTypes: true,
preventRemoveAndMakeDir: true,
});*/
var compileSrcs = [
'./src/amp-babel.js',
'./src/amp-shadow.js',
'./src/inabox/amp-inabox.js',
'./ads/alp/install-alp.js',
'./ads/inabox/inabox-host.js',
'./src/service-worker/shell.js',
'./src/service-worker/core.js',
'./src/service-worker/kill.js',
'./src/web-worker/web-worker.js',
];
var extensionValues = Object.keys(extensions).map(function(key) {
return extensions[key];
});
var extensionSrcs = extensionValues.filter(function(extension) {
return !extension.noTypeCheck;
}).map(function(extension) {
return './extensions/' + extension.name + '/' +
extension.version + '/' + extension.name + '.js';
}).sort();
return compileCss().then(() => {
return Promise.all([
closureCompile(compileSrcs.concat(extensionSrcs), './dist',
'check-types.js', {
include3pDirectories: true,
includePolyfills: true,
extraGlobs: ['src/inabox/*.js'],
checkTypes: true,
}),
// Type check 3p/ads code.
closureCompile(['./3p/integration.js'], './dist',
'integration-check-types.js', {
externs: ['ads/ads.extern.js'],
include3pDirectories: true,
includePolyfills: true,
checkTypes: true,
}),
closureCompile(['./3p/ampcontext-lib.js'], './dist',
'ampcontext-check-types.js', {
externs: ['ads/ads.extern.js'],
include3pDirectories: true,
includePolyfills: true,
checkTypes: true,
}),
closureCompile(['./3p/iframe-transport-client-lib.js'], './dist',
'iframe-transport-client-check-types.js', {
externs: ['ads/ads.extern.js'],
include3pDirectories: true,
includePolyfills: true,
checkTypes: true,
}),
]);
});
}
/**
* Copies frame.html to output folder, replaces js references to minified
* copies, and generates symlink to it.
*
* @param {string} input
* @param {string} outputName
* @param {boolean} shouldMinify
* @return {!Promise}
*/
function thirdPartyBootstrap(input, outputName, shouldMinify) {
const startTime = Date.now();
if (!shouldMinify) {
return toPromise(gulp.src(input)
.pipe(gulp.dest('dist.3p/current')))
.then(() => {
endBuildStep('Processed', input, startTime);
});
}
// By default we use an absolute URL, that is independent of the
// actual frame host for the JS inside the frame.
// But during testing we need a relative reference because the
// version is not available on the absolute path.
var integrationJs = argv.fortesting
? './f.js'
: `https://${hostname3p}/${internalRuntimeVersion}/f.js`;
// Convert default relative URL to absolute min URL.
var html = fs.readFileSync(input, 'utf8')
.replace(/\.\/integration\.js/g, integrationJs);
return toPromise($$.file(outputName, html, {src: true})
.pipe(gulp.dest('dist.3p/' + internalRuntimeVersion))
.on('end', function() {
var aliasToLatestBuild = 'dist.3p/current-min';
if (fs.existsSync(aliasToLatestBuild)) {
fs.unlinkSync(aliasToLatestBuild);
}
fs.symlinkSync(
'./' + internalRuntimeVersion,
aliasToLatestBuild,
'dir');
}))
.then(() => {
endBuildStep('Processed', input, startTime);
});
}
const MODULE_SEPARATOR = ';';
const EXTENSION_BUNDLE_MAP = {
'amp-viz-vega.js': [
'third_party/d3/d3.js',
'third_party/d3-geo-projection/d3-geo-projection.js',
'third_party/vega/vega.js',
],
};
/**
* Allows (ap|pre)pending to the already compiled, minified JS file
*
* @param {string} srcFilename Name of the JS source file
* @param {string} destFilePath File path to the compiled JS file
*/
function appendToCompiledFile(srcFilename, destFilePath) {
const bundleFiles = EXTENSION_BUNDLE_MAP[srcFilename];
if (bundleFiles) {
const newSource = concatFilesToString(bundleFiles.concat([destFilePath]));
fs.writeFileSync(destFilePath, newSource, 'utf8');
}
}
/**
* Synchronously concatenates the given files into a string.
*
* @param {Array<string>} files A list of file paths.
* @return {string} The concatenated contents of the given files.
*/
function concatFilesToString(files) {
return files.map(function(filePath) {
return fs.readFileSync(filePath, 'utf8');
}).join(MODULE_SEPARATOR);
}
/**
* Compile a javascript file
*
* @param {string} srcDir Path to the src directory
* @param {string} srcFilename Name of the JS source file
* @param {string} destDir Destination folder for output script
* @param {?Object} options
* @return {!Promise}
*/
function compileJs(srcDir, srcFilename, destDir, options) {
options = options || {};
if (options.minify) {
if (argv.minimal_set
&& !(/integration|babel|amp-ad|lightbox|sidebar|analytics|app-banner/
.test(srcFilename))) {
$$.util.log(
'Skipping', cyan(srcFilename), 'because of --minimal_set');
return Promise.resolve();
}
const startTime = Date.now();
return closureCompile(
srcDir + srcFilename, destDir, options.minifiedName, options)
.then(function() {
const destPath = destDir + '/' + options.minifiedName;
appendToCompiledFile(srcFilename, destPath);
fs.writeFileSync(destDir + '/version.txt', internalRuntimeVersion);
if (options.latestName) {
fs.copySync(
destPath,
destDir + '/' + options.latestName);
}
})
.then(() => {
endBuildStep('Minified', srcFilename, startTime);
});
}
var browsers = [];
if (process.env.TRAVIS) {
browsers.push('last 2 versions', 'safari >= 9');
} else {
browsers.push('Last 4 Chrome versions');
}
var bundler = browserify(srcDir + srcFilename, {debug: true})
.transform(babel, {
presets: [
["env", {
targets: {
browsers: browsers,
},
}]
],
});
if (options.watch) {
bundler = watchify(bundler);
}
var wrapper = options.wrapper || '<%= contents %>';
var lazybuild = lazypipe()
.pipe(source, srcFilename)
.pipe(buffer)
.pipe($$.replace, /\$internalRuntimeVersion\$/g, internalRuntimeVersion)
.pipe($$.replace, /\$internalRuntimeToken\$/g, internalRuntimeToken)
.pipe($$.wrap, wrapper)
.pipe($$.sourcemaps.init.bind($$.sourcemaps), {loadMaps: true});
var lazywrite = lazypipe()
.pipe($$.sourcemaps.write.bind($$.sourcemaps), './')
.pipe(gulp.dest.bind(gulp), destDir);
var destFilename = options.toName || srcFilename;
function rebundle() {
const startTime = Date.now();
return toPromise(bundler.bundle()
.on('error', function(err) {
if (err instanceof SyntaxError) {
console.error(red('Syntax error:', err.message));
} else {
console.error(red(err.message));
}
})
.pipe(lazybuild())
.pipe($$.rename(destFilename))
.pipe(lazywrite())
.on('end', function() {
appendToCompiledFile(srcFilename, destDir + '/' + destFilename);
})).then(() => {
endBuildStep('Compiled', srcFilename, startTime);
});
}
if (options.watch) {
bundler.on('update', function() {
rebundle();
// Touch file in unit test set. This triggers rebundling of tests because
// karma only considers changes to tests files themselves re-bundle
// worthy.
touch('test/_init_tests.js');
});
}
if (options.watch === false) {
// Due to the two step build process, compileJs() is called twice, once with
// options.watch set to true and, once with it set to false. However, we do
// not need to call rebundle() twice. This avoids the duplicate compile seen
// when you run `gulp watch` and touch a file.
return Promise.resolve();
} else {
// This is the default options.watch === true case, and also covers the
// `gulp build` / `gulp dist` cases where options.watch is undefined.
return rebundle();
}
}
/**
* Build all the AMP experiments.html/js.
*
* @param {!Object} options
*/
function buildExperiments(options) {
options = options || {};
var path = 'tools/experiments';
var htmlPath = path + '/experiments.html';
var jsPath = path + '/experiments.js';
var watch = options.watch;
if (watch === undefined) {
watch = argv.watch || argv.w;
}
// Building extensions is a 2 step process because of the renaming
// and CSS inlining. This watcher watches the original file, copies
// it to the destination and adds the CSS.
if (watch) {
// Do not set watchers again when we get called by the watcher.
var copy = Object.create(options);
copy.watch = false;
$$.watch(path + '/*', function() {
buildExperiments(copy);
});
}
// Build HTML.
var html = fs.readFileSync(htmlPath, 'utf8');
var minHtml = html.replace('/dist.tools/experiments/experiments.js',
`https://${hostname}/v0/experiments.js`);
gulp.src(htmlPath)
.pipe($$.file('experiments.cdn.html', minHtml))
.pipe(gulp.dest('dist.tools/experiments/'));
// Build JS.
var js = fs.readFileSync(jsPath, 'utf8');
var builtName = 'experiments.max.js';
var minifiedName = 'experiments.js';
return toPromise(gulp.src(path + '/*.js')
.pipe($$.file(builtName, js))
.pipe(gulp.dest('build/experiments/')))
.then(function() {
return compileJs(
'./build/experiments/', builtName, './dist.tools/experiments/', {
watch: false,
minify: options.minify || argv.minify,
includePolyfills: true,
minifiedName: minifiedName,
preventRemoveAndMakeDir: options.preventRemoveAndMakeDir,
checkTypes: options.checkTypes,
});
});
}