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

90 lines
2.9 KiB
JavaScript

/**
* 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.
*/
const log = require('../util/log').out('bundle');
const outputBundle = require('./output/bundle');
const path = require('path');
const Promise = require('promise');
const saveAssets = require('./saveAssets');
const Server = require('../../packager/react-packager/src/Server');
function saveBundle(output, bundle, args) {
return Promise.resolve(
output.save(bundle, args, log)
).then(() => bundle);
}
function buildBundle(args, config, output = outputBundle, packagerInstance) {
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.
if (!process.env.NODE_ENV) {
// If you're inlining environment variables, you can use babel to remove
// this line:
// https://www.npmjs.com/package/babel-remove-process-env-assignment
process.env.NODE_ENV = args.dev ? 'development' : 'production';
}
const transformModulePath =
args.transformer ? path.resolve(args.transformer) :
typeof config.getTransformModulePath === 'function' ? config.getTransformModulePath() :
undefined;
const options = {
projectRoots: config.getProjectRoots(),
assetRoots: config.getAssetRoots(),
blacklistRE: config.getBlacklistRE(args.platform),
getTransformOptionsModulePath: config.getTransformOptionsModulePath,
transformModulePath: transformModulePath,
extraNodeModules: config.extraNodeModules,
nonPersistent: true,
resetCache: args['reset-cache'],
};
const requestOpts = {
entryFile: args['entry-file'],
sourceMapUrl: args['sourcemap-output'],
dev: args.dev,
minify: !args.dev,
platform: args.platform,
};
// If a packager instance was not provided, then just create one for this
// bundle command and close it down afterwards.
var shouldClosePackager = false;
if (!packagerInstance) {
packagerInstance = new Server(options);
shouldClosePackager = true;
}
const bundlePromise = output.build(packagerInstance, requestOpts)
.then(bundle => {
if (shouldClosePackager) {
packagerInstance.end();
}
return saveBundle(output, bundle, args);
});
// 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;