react-native/local-cli/bundle/buildBundle.js

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
const log = require('../util/log').out('bundle');
const outputBundle = require('./output/bundle');
const Promise = require('promise');
const ReactPackager = require('../../packager/react-packager');
const saveAssets = require('./saveAssets');
function buildBundle(args, config, output = outputBundle) {
return new Promise((resolve, reject) => {
// This is used by a bazillion of npm modules we don't control so we don't
// have other choice than defining it as an env variable here.
process.env.NODE_ENV = args.dev ? 'development' : 'production';
const options = {
projectRoots: config.getProjectRoots(),
assetRoots: config.getAssetRoots(),
blacklistRE: config.getBlacklistRE(),
getTransformOptionsModulePath: config.getTransformOptionsModulePath,
transformModulePath: args.transformer,
verbose: args.verbose,
};
const requestOpts = {
entryFile: args['entry-file'],
sourceMapUrl: args['sourcemap-output'],
dev: args.dev,
minify: !args.dev,
platform: args.platform,
};
const clientPromise = ReactPackager.createClientFor(options);
// Build and save the bundle
const bundlePromise = clientPromise
.then(client => {
log('Created ReactPackager');
return output.build(client, requestOpts);
})
.then(bundle => {
output.save(bundle, args, log);
return bundle;
});
// When we're done bundling, close the client
Promise.all([clientPromise, bundlePromise])
.then(([client]) => {
log('Closing client');
client.close();
});
// Save the assets of the bundle
const assets = bundlePromise
.then(bundle => bundle.getAssets())
.then(outputAssets => saveAssets(
outputAssets,
args.platform,
args['assets-dest']
));
// When we're done saving bundle output and the assets, we're done.
resolve(assets);
});
}
module.exports = buildBundle;