react-native/local-cli/runIOS/runIOS.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 child_process = require('child_process');
const fs = require('fs');
const path = require('path');
const findXcodeProject = require('./findXcodeProject');
const parseIOSSimulatorsList = require('./parseIOSSimulatorsList');
function runIOS(argv, config, args) {
process.chdir(args.projectPath);
const xcodeProject = findXcodeProject(fs.readdirSync('.'));
if (!xcodeProject) {
throw new Error('Could not find Xcode project files in ios folder');
}
const inferredSchemeName = path.basename(xcodeProject.name, path.extname(xcodeProject.name));
const scheme = args.scheme || inferredSchemeName;
console.log(`Found Xcode ${xcodeProject.isWorkspace ? 'workspace' : 'project'} ${xcodeProject.name}`);
const simulators = parseIOSSimulatorsList(
child_process.execFileSync('xcrun', ['simctl', 'list', 'devices'], {encoding: 'utf8'})
);
const selectedSimulator = matchingSimulator(simulators, args.simulator);
if (!selectedSimulator) {
throw new Error(`Cound't find ${args.simulator} simulator`);
}
const simulatorFullName = formattedSimulatorName(selectedSimulator);
console.log(`Launching ${simulatorFullName}...`);
try {
child_process.spawnSync('xcrun', ['instruments', '-w', simulatorFullName]);
} catch (e) {
// instruments always fail with 255 because it expects more arguments,
// but we want it to only launch the simulator
}
const xcodebuildArgs = [
xcodeProject.isWorkspace ? '-workspace' : '-project', xcodeProject.name,
'-scheme', scheme,
'-destination', `id=${selectedSimulator.udid}`,
'-derivedDataPath', 'build',
];
console.log(`Building using "xcodebuild ${xcodebuildArgs.join(' ')}"`);
child_process.spawnSync('xcodebuild', xcodebuildArgs, {stdio: 'inherit'});
const appPath = `build/Build/Products/Debug-iphonesimulator/${inferredSchemeName}.app`;
console.log(`Installing ${appPath}`);
child_process.spawnSync('xcrun', ['simctl', 'install', 'booted', appPath], {stdio: 'inherit'});
const bundleID = child_process.execFileSync(
'/usr/libexec/PlistBuddy',
['-c', 'Print:CFBundleIdentifier', path.join(appPath, 'Info.plist')],
{encoding: 'utf8'}
).trim();
console.log(`Launching ${bundleID}`);
child_process.spawnSync('xcrun', ['simctl', 'launch', 'booted', bundleID], {stdio: 'inherit'});
}
function matchingSimulator(simulators, simulatorName) {
for (let i = simulators.length - 1; i >= 0; i--) {
if (simulators[i].name === simulatorName || formattedSimulatorName(simulators[i]) === simulatorName) {
return simulators[i];
}
}
}
function formattedSimulatorName(simulator) {
return `${simulator.name} (${simulator.version})`;
}
module.exports = {
name: 'run-ios',
description: 'builds your app and starts it on iOS simulator',
func: runIOS,
examples: [
{
desc: 'Run on a different simulator, e.g. iPhone 5',
cmd: 'react-native run-ios --simulator "iPhone 5"',
},
{
desc: 'Pass a non-standard location of iOS directory',
cmd: 'react-native run-ios --project-path "./app/ios"',
},
],
options: [{
command: '--simulator [string]',
description: 'Explicitly set simulator to use',
default: 'iPhone 6',
}, {
command: '--scheme [string]',
description: 'Explicitly set Xcode scheme to use',
}, {
command: '--project-path [string]',
description: 'Path relative to project root where the Xcode project '
+ '(.xcodeproj) lives. The default is \'ios\'.',
default: 'ios',
}]
};