metro/packages/metro-bundler/react-packager.js

103 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.
*
* @flow
*/
'use strict';
const Logger = require('./src/Logger');
const debug = require('debug');
const invariant = require('fbjs/lib/invariant');
import type GlobalTransformCache from './src/lib/GlobalTransformCache';
import type {Reporter} from './src/lib/reporting';
import type {HasteImpl} from './src/node-haste/Module';
exports.createServer = createServer;
exports.Logger = Logger;
type Options = {
hasteImpl?: HasteImpl,
globalTransformCache: ?GlobalTransformCache,
nonPersistent?: boolean,
projectRoots: Array<string>,
reporter?: Reporter,
watch?: boolean,
};
type StrictOptions = {
hasteImpl?: HasteImpl,
globalTransformCache: ?GlobalTransformCache,
nonPersistent?: boolean,
projectRoots: Array<string>,
reporter: Reporter,
watch?: boolean,
};
exports.buildBundle = function(options: Options, bundleOptions: {}) {
var server = createNonPersistentServer(options);
return server.buildBundle(bundleOptions)
.then(p => {
server.end();
return p;
});
};
exports.getOrderedDependencyPaths = function(options: Options, bundleOptions: {}) {
var server = createNonPersistentServer(options);
return server.getOrderedDependencyPaths(bundleOptions)
.then(function(paths) {
server.end();
return paths;
});
};
function enableDebug() {
// react-packager logs debug messages using the 'debug' npm package, and uses
// the following prefix throughout.
// To enable debugging, we need to set our pattern or append it to any
// existing pre-configured pattern to avoid disabling logging for
// other packages
var debugPattern = 'RNP:*';
var existingPattern = debug.load();
if (existingPattern) {
debugPattern += ',' + existingPattern;
}
debug.enable(debugPattern);
}
function createServer(options: StrictOptions) {
// the debug module is configured globally, we need to enable debugging
// *before* requiring any packages that use `debug` for logging
if (options.verbose) {
enableDebug();
}
// Some callsites may not be Flowified yet.
invariant(options.reporter != null, 'createServer() requires reporter');
const serverOptions = Object.assign({}, options);
delete serverOptions.verbose;
var Server = require('./src/Server');
return new Server(serverOptions);
}
function createNonPersistentServer(options: Options) {
const serverOptions = {
// It's unsound to set-up the reporter here,
// but this allows backward compatibility.
reporter: options.reporter == null
? require('./src/lib/reporting').nullReporter
: options.reporter,
...options,
watch: !options.nonPersistent,
};
return createServer(serverOptions);
}