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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.
*/
/* global require, process */
checkMinVersion();
const $$ = require('gulp-load-plugins')();
const applyConfig = require('./build-system/tasks/prepend-global/index.js').applyConfig;
const babel = require('babelify');
const browserify = require('browserify');
const buffer = require('vinyl-buffer');
const cleanupBuildDir = require('./build-system/tasks/compile').cleanupBuildDir;
const closureCompile = require('./build-system/tasks/compile').closureCompile;
const colors = require('ansi-colors');
const createCtrlcHandler = require('./build-system/ctrlcHandler').createCtrlcHandler;
const exitCtrlcHandler = require('./build-system/ctrlcHandler').exitCtrlcHandler;
const fs = require('fs-extra');
const gulp = $$.help(require('gulp'));
const internalRuntimeToken = require('./build-system/internal-version').TOKEN;
const internalRuntimeVersion = require('./build-system/internal-version').VERSION;
const jsifyCssAsync = require('./build-system/tasks/jsify-css').jsifyCssAsync;
const lazypipe = require('lazypipe');
const log = require('fancy-log');
const minimatch = require('minimatch');
const minimist = require('minimist');
const removeConfig = require('./build-system/tasks/prepend-global/index.js').removeConfig;
const serve = require('./build-system/tasks/serve.js').serve;
const source = require('vinyl-source-stream');
const touch = require('touch');
const watchify = require('watchify');
const argv = minimist(
process.argv.slice(2), {boolean: ['strictBabelTransform']});
require('./build-system/tasks');
const hostname = argv.hostname || 'cdn.ampproject.org';
const hostname3p = argv.hostname3p || '3p.ampproject.net';
// All declared extensions.
const extensions = {};
const extensionAliasFilePath = {};
const green = colors.green;
const red = colors.red;
const cyan = colors.cyan;
const minifiedRuntimeTarget = 'dist/v0.js';
const minified3pTarget = 'dist.3p/current-min/f.js';
const unminifiedRuntimeTarget = 'dist/amp.js';
const unminified3pTarget = 'dist.3p/current/integration.js';
// Each extension and version must be listed individually here.
declareExtension('amp-3q-player', '0.1', {hasCss: false});
declareExtension('amp-access', '0.1', {hasCss: true});
declareExtension('amp-access-laterpay', '0.1', {hasCss: true});
declareExtension('amp-access-scroll', '0.1', {hasCss: true});
declareExtension('amp-accordion', '0.1', {hasCss: false});
declareExtension('amp-ad', '0.1', {hasCss: true});
declareExtension('amp-ad-network-adsense-impl', 0.1, {hasCss: false});
declareExtension('amp-ad-network-adzerk-impl', 0.1, {hasCss: false});
declareExtension('amp-ad-network-doubleclick-impl', 0.1, {hasCss: false});
declareExtension('amp-ad-network-fake-impl', 0.1, {hasCss: false});
declareExtension('amp-ad-network-triplelift-impl', 0.1, {hasCss: false});
declareExtension('amp-ad-network-cloudflare-impl', 0.1, {hasCss: false});
declareExtension('amp-ad-network-gmossp-impl', 0.1, {hasCss: false});
declareExtension('amp-ad-exit', 0.1, {hasCss: false});
declareExtension('amp-analytics', '0.1', {hasCss: false});
declareExtension('amp-anim', '0.1', {hasCss: false});
declareExtension('amp-animation', '0.1', {hasCss: false});
declareExtension('amp-apester-media', '0.1', {hasCss: true});
declareExtension('amp-app-banner', '0.1', {hasCss: true});
declareExtension('amp-audio', '0.1', {hasCss: false});
declareExtension('amp-auto-ads', '0.1', {hasCss: false});
declareExtension('amp-bind', '0.1', {hasCss: false});
declareExtension('amp-brid-player', '0.1', {hasCss: false});
declareExtension('amp-brightcove', '0.1', {hasCss: false});
declareExtension('amp-byside-content', '0.1', {hasCss: true});
declareExtension('amp-kaltura-player', '0.1', {hasCss: false});
declareExtension('amp-call-tracking', '0.1', {hasCss: false});
declareExtension('amp-carousel', '0.1', {hasCss: true});
declareExtension('amp-compare-slider', '0.1', {hasCss: false});
declareExtension('amp-crypto-polyfill', '0.1', {hasCss: false});
declareExtension('amp-dailymotion', '0.1', {hasCss: false});
declareExtension('amp-document-recommendations', '0.1', {hasCss: true});
declareExtension('amp-dynamic-css-classes', '0.1', {hasCss: false});
declareExtension('amp-experiment', '0.1', {hasCss: false});
declareExtension('amp-facebook', '0.1', {hasCss: false});
declareExtension('amp-facebook-comments', '0.1', {hasCss: false});
declareExtension('amp-facebook-like', '0.1', {hasCss: false});
declareExtension('amp-facebook-page', '0.1', {hasCss: false});
declareExtension('amp-fit-text', '0.1', {hasCss: true});
declareExtension('amp-font', '0.1', {hasCss: false});
declareExtension('amp-form', '0.1', {hasCss: true});
declareExtension('amp-fx-collection', '0.1', {hasCss: false});
declareExtension('amp-fx-flying-carpet', '0.1', {hasCss: true});
declareExtension('amp-gfycat', '0.1', {hasCss: false});
declareExtension('amp-gist', '0.1', {hasCss: false});
declareExtension('amp-gwd-animation', '0.1', {hasCss: true});
declareExtension('amp-hulu', '0.1', {hasCss: false});
declareExtension('amp-iframe', '0.1', {hasCss: false});
declareExtension('amp-ima-video', '0.1', {hasCss: false});
declareExtension('amp-image-lightbox', '0.1', {hasCss: true});
declareExtension('amp-imgur', '0.1', {hasCss: false});
declareExtension('amp-instagram', '0.1', {hasCss: true});
declareExtension('amp-install-serviceworker', '0.1', {hasCss: false});
declareExtension('amp-izlesene', '0.1', {hasCss: false});
declareExtension('amp-jwplayer', '0.1', {hasCss: false});
declareExtension('amp-lightbox', '0.1', {hasCss: true});
declareExtension('amp-lightbox-gallery', '0.1', {hasCss: true});
declareExtension('amp-list', '0.1', {hasCss: false});
declareExtension('amp-live-list', '0.1', {hasCss: true});
declareExtension('amp-mathml', '0.1', {hasCss: true});
declareExtension('amp-mustache', '0.1', {hasCss: false});
declareExtension('amp-nexxtv-player', '0.1', {hasCss: false});
declareExtension('amp-o2-player', '0.1', {hasCss: false});
declareExtension('amp-ooyala-player', '0.1', {hasCss: false});
declareExtension('amp-pinterest', '0.1', {hasCss: true});
declareExtension('amp-playbuzz', '0.1', {hasCss: true});
declareExtension('amp-reach-player', '0.1', {hasCss: false});
declareExtension('amp-reddit', '0.1', {hasCss: false});
declareExtension('amp-riddle-quiz', '0.1', {hasCss: false});
declareExtension('amp-share-tracking', '0.1', {hasCss: false});
declareExtension('amp-sidebar', '0.1', {hasCss: true});
declareExtension('amp-soundcloud', '0.1', {hasCss: false});
declareExtension('amp-springboard-player', '0.1', {hasCss: false});
declareExtension('amp-sticky-ad', '1.0', {hasCss: true});
declareExtension('amp-story', '0.1', {hasCss: true});
declareExtension('amp-story-auto-ads', '0.1', {hasCss: false});
declareExtension('amp-selector', '0.1', {hasCss: true});
declareExtension('amp-web-push', '0.1', {hasCss: true});
declareExtension('amp-wistia-player', '0.1', {hasCss: false});
declareExtension('amp-position-observer', '0.1', {hasCss: false});
declareExtension('amp-date-picker', '0.1', {hasCss: true});
declareExtension('amp-image-viewer', '0.1', {hasCss: true});
declareExtension('amp-subscriptions', '0.1', {hasCss: true});
declareExtension('amp-subscriptions-google', '0.1', {hasCss: false});
/**
* @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', {hasCss: false});
declareExtension('amp-social-share', '0.1', {hasCss: true});
declareExtension('amp-timeago', '0.1', {hasCss: false});
declareExtension('amp-twitter', '0.1', {hasCss: false});
declareExtension('amp-user-notification', '0.1', {hasCss: true});
declareExtension('amp-vimeo', '0.1', {hasCss: false});
declareExtension('amp-vine', '0.1', {hasCss: false});
declareExtension('amp-viz-vega', '0.1', {hasCss: true});
declareExtension('amp-google-vrview-image', '0.1', {hasCss: 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', {hasCss: false});
declareExtension('amp-vk', '0.1', {hasCss: false});
declareExtension('amp-youtube', '0.1', {hasCss: false});
declareExtensionVersionAlias(
'amp-sticky-ad', '0.1', /* lastestVersion */ '1.0', /* hasCss */ true);
/**
* @typedef {{
* name: ?string,
* version: ?string,
* hasCss: ?boolean,
* loadPriority: ?string,
* cssBinaries: ?Array<string>,
* extraGlobs?Array<string>,
* bundleOnlyIfListedInFiles: ?boolean
* }}
*/
const ExtensionOption = {}; // eslint-disable-line no-unused-vars
/**
* @param {string} name
* @param {string} version E.g. 0.1
* @param {!ExtensionOption} options extension options object.
*/
function declareExtension(name, version, options) {
const defaultOptions = {hasCss: false};
const extensionKey = `${name}-${version}`;
extensions[extensionKey] = Object.assign({
name,
version,
}, defaultOptions, 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': name,
'file': name + '-' + lastestVersion + '.js',
};
if (hasCss) {
extensionAliasFilePath[name + '-' + version + '.css'] = {
'name': name,
'file': 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);
let timeString = '(';
if (secs === 0) {
timeString += ms + ' ms)';
} else {
timeString += secs + '.' + ms + ' s)';
}
if (!process.env.TRAVIS) {
log(stepName, cyan(targetName), green(timeString));
}
}
/**
* Build all the AMP extensions
*
* @param {!Object} options
* @return {!Promise}
*/
function buildExtensions(options) {
if (!!argv.noextensions && !options.compileAll) {
return Promise.resolve();
}
let extensionsToBuild = [];
if (!!argv.extensions && !options.compileAll) {
extensionsToBuild = argv.extensions.split(',');
}
const results = [];
for (const key in extensions) {
if (extensionsToBuild.length > 0 &&
extensionsToBuild.indexOf(extensions[key].name) == -1) {
continue;
}
const e = extensions[key];
let 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) {
const promises = [
compileJs('./3p/', 'integration.js',
'./dist.3p/' + (shouldMinify ? internalRuntimeVersion : 'current'), {
minifiedName: 'f.js',
checkTypes: opt_checkTypes,
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,
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,
minify: shouldMinify,
preventRemoveAndMakeDir: opt_preventRemoveAndMakeDir,
externs: ['ads/ads.extern.js'],
include3pDirectories: true,
includePolyfills: false,
}),
compileJs('./src/', 'amp.js', './dist', {
minifiedName: 'v0.js',
includePolyfills: true,
checkTypes: opt_checkTypes,
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,
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(
compileJs('./src/', 'amp-shadow.js', './dist', {
minifiedName: 'shadow-v0.js',
includePolyfills: true,
checkTypes: opt_checkTypes,
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,
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,
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);
}
}
/**
* Entry point for 'gulp css'
* @return {!Promise}
*/
function css() {
printNobuildHelp();
return compileCss();
}
/**
* Compile all the css and drop in the build folder
* @param {boolean} watch
* @param {boolean=} opt_compileAll
* @return {!Promise}
*/
function compileCss(watch, opt_compileAll) {
if (watch) {
$$.watch('css/**/*.css', function() {
compileCss();
});
}
const startTime = Date.now();
return jsifyCssAsync('css/amp.css')
.then(function(css) {
return toPromise(gulp.src('css/**.css')
.pipe($$.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,
compileAll: opt_compileAll,
});
});
}
/**
* 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);
});
}
/**
* 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();
}
const path = 'extensions/' + name + '/' + version;
const jsPath = path + '/' + name + '.js';
const 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.
const 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 buildExtensionCss(path, name, version, options).then(() => {
endBuildStep('Recompiled CSS in', name, startTime);
}).then(function() {
if (options.compileOnlyCss) {
return Promise.resolve();
}
return buildExtensionJs(path, name, version, options);
});
} else {
return buildExtensionJs(path, name, version, options);
}
}
/**
* @param {string} path
* @param {string} css
* @param {string} version
* @param {!Object} options
*/
function buildExtensionCss(path, name, version, options) {
function writeCssBinaries(name, css) {
const jsCss = 'export const CSS = ' + JSON.stringify(css) + ';\n';
const jsName = `build/${name}.js`;
const cssName = `build/css/${name}`;
fs.writeFileSync(jsName, jsCss, 'utf-8');
fs.writeFileSync(cssName, css, 'utf-8');
}
const promises = [];
const mainCssBinary = jsifyCssAsync(path + '/' + name + '.css')
.then(writeCssBinaries.bind(null, `${name}-${version}.css`));
if (Array.isArray(options.cssBinaries)) {
promises.push.apply(promises, options.cssBinaries.map(function(name) {
return jsifyCssAsync(`${path}/${name}.css`)
.then(css => writeCssBinaries(`${name}-${version}.css`, css));
}));
}
promises.push(mainCssBinary);
return Promise.all(promises);
}
/**
* 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) {
const filename = options.filename || name + '.js';
if (options.loadPriority && options.loadPriority != 'high') {
throw new Error('Unsupported loadPriority: ' + options.loadPriority);
}
const 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 message that could help speed up local development.
*/
function printNobuildHelp() {
if (!process.env.TRAVIS && argv['_'].indexOf('test') != -1) {
log(green('To skip building during future test runs, use'),
cyan('--nobuild'), green('with your'), cyan('gulp test'),
green('command.'));
}
}
/**
* 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) {
log(green('Building the runtime for local testing with the'),
cyan((argv.config === 'canary') ? 'canary' : 'prod'),
green('AMP config.'));
log(green('⤷ Use'), cyan('--config={canary|prod}'), green('with your'),
cyan(command), green('command to specify which config to apply.'));
}
}
/**
* Parse the --extensions or the --noextensions flag and
* prints a helpful message that lets the developer know how to build
* a list of extensions or without any extensions.
*/
function parseExtensionFlags() {
if (!process.env.TRAVIS) {
const noExtensionsMessage = green('⤷ Use ') +
cyan('--noextensions ') +
green('to skip building extensions.');
const extensionsMessage = green('⤷ Use ') +
cyan('--extensions=amp-foo,amp-bar ') +
green('to choose which extensions to build.');
const minimalSetMessage = green('⤷ Use ') +
cyan('--extensions=minimal_set ') +
green('to build just the extensions needed to load ') +
cyan('article.amp.html') + green('.');
if (argv.extensions) {
if (typeof (argv.extensions) !== 'string') {
log(red('ERROR:'), 'Missing list of extensions.');
log(noExtensionsMessage);
log(extensionsMessage);
log(minimalSetMessage);
process.exit(1);
}
argv.extensions = argv.extensions.replace(/\s/g, '');
if (argv.extensions === 'minimal_set') {
argv.extensions =
'amp-ad,amp-ad-network-adsense-impl,amp-audio,amp-video,' +
'amp-image-lightbox,amp-lightbox,amp-sidebar,' +
'amp-analytics,amp-app-banner';
}
log(green('Building extension(s):'),
cyan(argv.extensions.split(',').join(', ')));
} else if (argv.noextensions) {
log(green('Not building any AMP extensions.'));
} else {
log(green('Building all AMP extensions.'));
}
log(noExtensionsMessage);
log(extensionsMessage);
log(minimalSetMessage);
}
}
/**
* 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) {
const config = (argv.config === 'canary') ? 'canary' : 'prod';
const baseConfigFile =
'build-system/global-configs/' + config + '-config.json';
return removeConfig(targetFile).then(() => {
return applyConfig(
config, targetFile, baseConfigFile,
/* opt_localDev */ true, /* opt_localBranch */ true);
});
}
/**
* Performs the build steps for gulp build and gulp watch
* @param {boolean} watch
* @return {!Promise}
*/
function performBuild(watch) {
process.env.NODE_ENV = 'development';
printNobuildHelp();
printConfigHelp(watch ? 'gulp watch' : 'gulp build');
parseExtensionFlags();
return compileCss(watch).then(() => {
return Promise.all([
polyfillsForTests(),
buildAlp({watch}),
buildExaminer({watch}),
buildSw({watch}),
buildWebWorker({watch}),
buildExtensions({bundleOnlyIfListedInFiles: !watch, watch}),
compile(watch),
]);
});
}
/**
* Enables watching for file changes in css, extensions.
* @return {!Promise}
*/
function watch() {
const handlerProcess = createCtrlcHandler('watch');
return performBuild(true).then(() => exitCtrlcHandler(handlerProcess));
}
/**
* Main build
* @return {!Promise}
*/
function build() {
const handlerProcess = createCtrlcHandler('build');
return performBuild().then(() => exitCtrlcHandler(handlerProcess));
}
/**
* Dist Build
* @return {!Promise}
*/
function dist() {
const handlerProcess = createCtrlcHandler('dist');
process.env.NODE_ENV = 'production';
cleanupBuildDir();
if (argv.fortesting) {
printConfigHelp('gulp dist --fortesting');
}
parseExtensionFlags();
return compileCss(/* watch */ undefined, /* opt_compileAll */ true)
.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(() => {
if (process.env.TRAVIS) {
// New line after all the compilation progress dots on Travis.
console.log('\n');
}
}).then(() => {
copyAliasExtensions();
}).then(() => {
if (argv.fortesting) {
return enableLocalTesting(minifiedRuntimeTarget);
}
}).then(() => {
if (argv.fortesting) {
return enableLocalTesting(minified3pTarget);
}
}).then(() => exitCtrlcHandler(handlerProcess));
}
/**
* Copy built extension to alias extension
*/
function copyAliasExtensions() {
if (argv.noextensions) {
return;
}
let extensionsToBuild = [];
if (!!argv.extensions) {
extensionsToBuild = argv.extensions.split(',');
}
for (const key in extensionAliasFilePath) {
if (extensionsToBuild.length > 0 &&
extensionsToBuild.indexOf(extensionAliasFilePath[key]['name']) == -1) {
continue;
}
fs.copySync('dist/v0/' + extensionAliasFilePath[key]['file'],
'dist/v0/' + key);
}
}
/**
* Dedicated type check path.
* @return {!Promise}
*/
function checkTypes() {
const handlerProcess = createCtrlcHandler('check-types');
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,
});*/
const compileSrcs = [
'./src/amp.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',
];
const extensionValues = Object.keys(extensions).map(function(key) {
return extensions[key];
});
const 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,
}),
]);
}).then(() => {
if (process.env.TRAVIS) {
// New line after all the compilation progress dots on Travis.
console.log('\n');
}
}).then(() => exitCtrlcHandler(handlerProcess));
}
/**
* 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.
const integrationJs = argv.fortesting
? './f.js'
: `https://${hostname3p}/${internalRuntimeVersion}/f.js`;
// Convert default relative URL to absolute min URL.
const 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() {
const 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) {
const startTime = Date.now();
return closureCompile(
srcDir + srcFilename, destDir, options.minifiedName, options)
.then(function() {
const destPath = destDir + '/' + options.minifiedName;
appendToCompiledFile(srcFilename, destPath);