metro/react-packager/index.js

70 lines
1.7 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.
*/
'use strict';
useGracefulFs();
var Activity = require('./src/Activity');
var Server = require('./src/Server');
exports.middleware = function(options) {
var server = new Server(options);
return server.processRequest.bind(server);
};
exports.buildPackage = function(options, packageOptions) {
var server = createServer(options);
return server.buildPackage(packageOptions)
.then(function(p) {
server.end();
return p;
});
};
exports.buildPackageFromUrl = function(options, reqUrl) {
var server = createServer(options);
return server.buildPackageFromUrl(reqUrl)
.then(function(p) {
server.end();
return p;
});
};
exports.getDependencies = function(options, main) {
var server = createServer(options);
return server.getDependencies(main)
.then(function(r) {
server.end();
return r.dependencies;
});
};
function useGracefulFs() {
var fs = require('fs');
var gracefulFs = require('graceful-fs');
// A bit sneaky but it's not straightforward to update all the
// modules we depend on.
Object.keys(fs).forEach(function(method) {
if (typeof fs[method] === 'function' && gracefulFs[method]) {
fs[method] = gracefulFs[method];
}
});
}
function createServer(options) {
Activity.disable();
// Don't start the filewatcher or the cache.
if (options.nonPersistent == null) {
options.nonPersistent = true;
}
return new Server(options);
}