95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
/**
|
|
* 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.
|
|
*/
|
|
'use strict';
|
|
|
|
const copyProjectTemplateAndReplace = require('../generator/copyProjectTemplateAndReplace');
|
|
const path = require('path');
|
|
const fs = require('fs');
|
|
|
|
/**
|
|
* The eject command re-creates the `android` and `ios` native folders. Because native code can be
|
|
* difficult to maintain, this new script allows an `app.json` to be defined for the project, which
|
|
* is used to configure the native app.
|
|
*
|
|
* The `app.json` config may contain the following keys:
|
|
*
|
|
* - `name` - The short name used for the project, should be TitleCase
|
|
* - `displayName` - The app's name on the home screen
|
|
*/
|
|
|
|
function eject() {
|
|
|
|
const doesIOSExist = fs.existsSync(path.resolve('ios'));
|
|
const doesAndroidExist = fs.existsSync(path.resolve('android'));
|
|
if (doesIOSExist && doesAndroidExist) {
|
|
console.error(
|
|
'Both the iOS and Android folders already exist! Please delete `ios` and/or `android` ' +
|
|
'before ejecting.'
|
|
);
|
|
process.exit(1);
|
|
}
|
|
|
|
let appConfig = null;
|
|
try {
|
|
appConfig = require(path.resolve('app.json'));
|
|
} catch (e) {
|
|
console.error(
|
|
'Eject requires an `app.json` config file to be located at ' +
|
|
`${path.resolve('app.json')}, and it must at least specify a \`name\` for the project ` +
|
|
'name, and a `displayName` for the app\'s home screen label.'
|
|
);
|
|
process.exit(1);
|
|
}
|
|
|
|
const appName = appConfig.name;
|
|
if (!appName) {
|
|
console.error(
|
|
'App `name` must be defined in the `app.json` config file to define the project name. ' +
|
|
'It must not contain any spaces or dashes.'
|
|
);
|
|
process.exit(1);
|
|
}
|
|
const displayName = appConfig.displayName;
|
|
if (!displayName) {
|
|
console.error(
|
|
'App `displayName` must be defined in the `app.json` config file, to define the label ' +
|
|
'of the app on the home screen.'
|
|
);
|
|
process.exit(1);
|
|
}
|
|
|
|
const templateOptions = { displayName };
|
|
|
|
if (!doesIOSExist) {
|
|
console.log('Generating the iOS folder.');
|
|
copyProjectTemplateAndReplace(
|
|
path.resolve('node_modules', 'react-native', 'local-cli', 'templates', 'HelloWorld', 'ios'),
|
|
path.resolve('ios'),
|
|
appName,
|
|
templateOptions
|
|
);
|
|
}
|
|
|
|
if (!doesAndroidExist) {
|
|
console.log('Generating the Android folder.');
|
|
copyProjectTemplateAndReplace(
|
|
path.resolve('node_modules', 'react-native', 'local-cli', 'templates', 'HelloWorld', 'android'),
|
|
path.resolve('android'),
|
|
appName,
|
|
templateOptions
|
|
);
|
|
}
|
|
|
|
}
|
|
|
|
module.exports = {
|
|
name: 'eject',
|
|
description: 'Re-create the iOS and Android folders and native code',
|
|
func: eject,
|
|
options: [],
|
|
};
|