react-native/local-cli/core/makeCommand.js

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/**
* 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';
const spawn = require('child_process').spawn;
module.exports = function makeCommand(command) {
return (cb) => {
if (!cb) {
throw new Error(`You missed a callback function for the ${command} command`);
}
const args = command.split(' ');
const cmd = args.shift();
const commandProcess = spawn(cmd, args, {
stdio: 'inherit',
stdin: 'inherit',
});
commandProcess.on('close', function prelink(code) {
if (code) {
throw new Error(`Error occured during executing "${command}" command`);
}
cb();
});
};
};