mirror of
https://github.com/zhigang1992/react-native.git
synced 2026-02-12 09:20:14 +08:00
dad45aa8f2
Summary: public We've recently tweak `Config.js` so that it changes the current working directory to be able to keep track of it when running functions on the config instances. Turns out we can't do this as some commands rely on the current path (i.e.: `android`). Although for this specific command we could fix the issue by using several `../` I feel like changing the cwd could bring other weird problems in the future, so I'm reverting the last update I did to D2565954. Reviewed By: foghina Differential Revision: D2572172 fb-gh-sync-id: 8cba62228b19a7729efcfe240a2f00e9becda61f
70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
/**
|
|
* 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 fs = require('fs');
|
|
const path = require('path');
|
|
|
|
const RN_CLI_CONFIG = 'rn-cli.config.js';
|
|
let cachedConfig = null;
|
|
|
|
/**
|
|
* Module capable of getting the configuration that should be used for
|
|
* the `rn-cli`. The configuration file is a JS file named `rn-cli.config.js`.
|
|
* It has to be on any parent directory of the cli.
|
|
*
|
|
* The function will return all the default configuration functions overriden
|
|
* by those found on `rn-cli.config.js`, if any. If no default config is
|
|
* provided and no configuration can be found in the directory hierarchy an
|
|
* error will be thrown.
|
|
*/
|
|
const Config = {
|
|
get(cwd, defaultConfig) {
|
|
if (cachedConfig) {
|
|
return cachedConfig;
|
|
}
|
|
|
|
const parentDir = findParentDirectory(cwd, RN_CLI_CONFIG);
|
|
if (!parentDir && !defaultConfig) {
|
|
throw new Error(
|
|
'Can\'t find "rn-cli.config.js" file in any parent folder of "' +
|
|
__dirname + '"'
|
|
);
|
|
}
|
|
|
|
const config = parentDir
|
|
? require(path.join(parentDir, RN_CLI_CONFIG))
|
|
: {};
|
|
|
|
cachedConfig = Object.assign({}, defaultConfig, config);
|
|
cachedConfig.cwd = cwd;
|
|
return cachedConfig;
|
|
}
|
|
};
|
|
|
|
// Finds the most near ancestor starting at `currentFullPath` that has
|
|
// a file named `filename`
|
|
function findParentDirectory(currentFullPath, filename) {
|
|
const root = path.parse(currentFullPath).root;
|
|
const testDir = (parts) => {
|
|
if (parts.length === 0) {
|
|
return null;
|
|
}
|
|
|
|
const fullPath = path.join(root, parts.join(path.sep));
|
|
|
|
var exists = fs.existsSync(path.join(fullPath, filename));
|
|
return exists ? fullPath : testDir(parts.slice(0, -1));
|
|
};
|
|
|
|
return testDir(currentFullPath.substring(1).split(path.sep));
|
|
}
|
|
|
|
module.exports = Config;
|