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build.js
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build.js
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/**
* Copyright 2019 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.
*/
const log = require('fancy-log');
const {
bootstrapThirdPartyFrames,
compileAllJs,
compileCoreRuntime,
printConfigHelp,
printNobuildHelp,
} = require('./helpers');
const {
createCtrlcHandler,
exitCtrlcHandler,
} = require('../common/ctrlcHandler');
const {buildExtensions} = require('./extension-helpers');
const {compileCss} = require('./css');
const {compileJison} = require('./compile-jison');
const {cyan, green, yellow} = require('ansi-colors');
const {maybeUpdatePackages} = require('./update-packages');
const {parseExtensionFlags} = require('./extension-helpers');
const argv = require('minimist')(process.argv.slice(2));
/**
* Deprecated. Use `gulp build --watch` or `gulp dist --watch`.
*
* TODO(rsimha, #27471): Remove this after several weeks.
*/
async function watch() {
log(yellow('WARNING:'), cyan('gulp watch'), 'has been deprecated.');
log(
green('INFO:'),
'Use',
cyan('gulp build --watch'),
'or',
cyan('gulp dist --watch'),
'instead.'
);
log(
green('INFO:'),
'Run',
cyan('gulp help'),
'for a full list of commands and flags.'
);
}
/**
* Perform the prerequisite steps before starting the unminified build.
* Used by `gulp` and `gulp build`.
*
* @param {!Object} options
*/
async function runPreBuildSteps(options) {
await compileCss(options);
await compileJison();
await bootstrapThirdPartyFrames(options);
}
/**
* Unminified build. Entry point for `gulp build`.
*/
async function build() {
await doBuild();
}
/**
* Performs an unminified build with the given extra args.
*
* @param {Object=} extraArgs
*/
async function doBuild(extraArgs = {}) {
maybeUpdatePackages();
const handlerProcess = createCtrlcHandler('build');
process.env.NODE_ENV = 'development';
const options = {
fortesting: extraArgs.fortesting || argv.fortesting,
minify: false,
watch: argv.watch,
};
printNobuildHelp();
printConfigHelp('gulp build');
parseExtensionFlags();
await runPreBuildSteps(options);
if (argv.core_runtime_only) {
await compileCoreRuntime(options);
} else {
await compileAllJs(options);
await buildExtensions(options);
}
if (!argv.watch) {
exitCtrlcHandler(handlerProcess);
}
}
module.exports = {
build,
doBuild,
runPreBuildSteps,
watch,
};
/* eslint "google-camelcase/google-camelcase": 0 */
build.description = 'Builds the AMP library';
build.flags = {
config: ' Sets the runtime\'s AMP_CONFIG to one of "prod" or "canary"',
fortesting: ' Builds the AMP library for local testing',
extensions: ' Builds only the listed extensions.',
extensions_from: ' Builds only the extensions from the listed AMP(s).',
noextensions: ' Builds with no extensions.',
core_runtime_only: ' Builds only the core runtime.',
coverage: ' Adds code coverage instrumentation to JS files using istanbul.',
version_override: ' Overrides the version written to AMP_CONFIG',
watch: ' Watches for changes in files, re-builds when detected',
define_experiment_constant:
' Builds runtime with the EXPERIMENT constant set to true',
};
watch.description = 'Deprecated. Use gulp build --watch or gulp dist --watch';