metro/debuggerWorker.js

47 lines
1.3 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.
*/
/* global self, importScripts, postMessage, onmessage: true */
/* eslint no-unused-vars: 0 */
'use strict';
var messageHandlers = {
'executeApplicationScript': function(message, sendReply) {
for (var key in message.inject) {
self[key] = JSON.parse(message.inject[key]);
}
importScripts(message.url);
sendReply();
},
'executeJSCall': function(message, sendReply) {
var returnValue = [[], [], [], [], []];
try {
if (require) {
returnValue = require(message.moduleName)[message.moduleMethod].apply(null, message.arguments);
}
} finally {
sendReply(JSON.stringify(returnValue));
}
}
};
onmessage = function(message) {
var object = message.data;
var sendReply = function(result) {
postMessage({replyID: object.id, result: result});
};
var handler = messageHandlers[object.method];
if (handler) {
handler(object, sendReply);
} else {
console.warn('Unknown method: ' + object.method);
}
};