112 строки
3.2 KiB
JavaScript
112 строки
3.2 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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'use strict';
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const {exec} = require('shelljs');
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const os = require('os');
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const {spawn} = require('node:child_process');
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/*
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* Android related utils - leverages android tooling
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*/
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// this code is taken from the CLI repo, slightly readapted to our needs
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// here's the reference folder:
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// https://github.com/react-native-community/cli/blob/main/packages/cli-platform-android/src/commands/runAndroid
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const emulatorCommand = process.env.ANDROID_HOME
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? `${process.env.ANDROID_HOME}/emulator/emulator`
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: 'emulator';
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const getEmulators = () => {
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const emulatorsOutput = exec(`${emulatorCommand} -list-avds`).stdout;
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return emulatorsOutput.split(os.EOL).filter(name => name !== '');
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};
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const launchEmulator = emulatorName => {
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// we need both options 'cause reasons:
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// from docs: "When using the detached option to start a long-running process, the process will not stay running in the background after the parent exits unless it is provided with a stdio configuration that is not connected to the parent. If the parent's stdio is inherited, the child will remain attached to the controlling terminal."
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// here: https://nodejs.org/api/child_process.html#optionsdetached
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const cp = spawn(emulatorCommand, [`@${emulatorName}`], {
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detached: true,
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stdio: 'ignore',
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});
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cp.unref();
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};
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function tryLaunchEmulator() {
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const emulators = getEmulators();
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if (emulators.length > 0) {
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try {
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launchEmulator(emulators[0]);
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return {success: true};
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} catch (error) {
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return {success: false, error};
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}
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}
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return {
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success: false,
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error: 'No emulators found as an output of `emulator -list-avds`',
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};
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}
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function launchAndroidEmulator() {
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const result = tryLaunchEmulator();
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if (result.success) {
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console.info('Successfully launched emulator.');
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} else {
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console.error(`Failed to launch emulator. Reason: ${result.error || ''}.`);
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console.warn(
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'Please launch an emulator manually or connect a device. Otherwise app may fail to launch.',
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);
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}
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}
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/*
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* iOS related utils - leverages xcodebuild
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*/
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/*
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* Metro related utils
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*/
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// inspired by CLI again https://github.com/react-native-community/cli/blob/main/packages/cli-tools/src/isPackagerRunning.ts
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function isPackagerRunning(
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packagerPort = process.env.RCT_METRO_PORT || '8081',
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) {
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try {
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const status = exec(`curl http://localhost:${packagerPort}/status`, {
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silent: true,
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}).stdout;
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return status === 'packager-status:running' ? 'running' : 'unrecognized';
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} catch (_error) {
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return 'not_running';
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}
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}
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// this is a very limited implementation of how this should work
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// literally, this is macos only
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// a more robust implementation can be found here:
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// https://github.com/react-native-community/cli/blob/7c003f2b1d9d80ec5c167614ba533a004272c685/packages/cli-platform-android/src/commands/runAndroid/index.ts#L195
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function launchPackagerInSeparateWindow() {
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exec("open -a 'Terminal' ./scripts/packager.sh");
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}
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module.exports = {
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launchAndroidEmulator,
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isPackagerRunning,
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launchPackagerInSeparateWindow,
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};
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