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/**
* Copyright 2018 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
const child_process = require('child_process');
const rpc = require('./rpc');
async function spawn(fileName, ...args) {
const child = child_process.fork(fileName, [], {
detached: true, stdio: [0, 1, 2, 'ipc']
});
const transport = receivedFromChild => {
child.on('message', receivedFromChild);
return child.send.bind(child);
};
const { result } = await rpc.createWorld(transport, ...args);
return result;
}
function init(initializer) {
const transport = receivedFromParent => {
process.on('message', receivedFromParent);
return process.send.bind(process);
};
rpc.initWorld(transport, initializer);
}
module.exports = { spawn, init };