react-native/local-cli/logAndroid/logAndroid.js

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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*/
'use strict';
const chalk = require('chalk');
const child_process = require('child_process');
/**
* Starts adb logcat
*/
function logAndroid() {
return new Promise((resolve, reject) => {
_logAndroid(resolve, reject);
});
}
function _logAndroid() {
try {
const adbPath = process.env.ANDROID_HOME
? process.env.ANDROID_HOME + '/platform-tools/adb'
: 'adb';
const adbArgs = ['logcat', '*:S', 'ReactNative:V', 'ReactNativeJS:V'];
console.log(
chalk.bold(`Starting the logger (${adbPath} ${adbArgs.join(' ')})...`),
);
const log = child_process.spawnSync(adbPath, adbArgs, {stdio: 'inherit'});
if (log.error !== null) {
throw log.error;
}
} catch (e) {
console.log(
chalk.red('adb invocation failed. Do you have adb in your PATH?'),
);
return Promise.reject();
}
}
module.exports = {
name: 'log-android',
description: 'starts adb logcat',
func: logAndroid,
};