react-native/local-cli/link/ios/getHeaderSearchPath.js

60 lines
1.9 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.
*/
const path = require('path');
const union = require('lodash').union;
const last = require('lodash').last;
/**
* Given an array of directories, it returns the one that contains
* all the other directories in a given array inside it.
*
* Example:
* Given an array of directories: ['/Users/Kureev/a', '/Users/Kureev/b']
* the returned folder is `/Users/Kureev`
*
* Check `getHeaderSearchPath.spec.js` for more use-cases.
*/
const getOuterDirectory = (directories) =>
directories.reduce((topDir, currentDir) => {
const currentFolders = currentDir.split(path.sep);
const topMostFolders = topDir.split(path.sep);
if (currentFolders.length === topMostFolders.length
&& last(currentFolders) !== last(topMostFolders)) {
return currentFolders.slice(0, -1).join(path.sep);
}
return currentFolders.length < topMostFolders.length
? currentDir
: topDir;
});
/**
* Given an array of headers it returns search path so Xcode can resolve
* headers when referenced like below:
* ```
* #import "CodePush.h"
* ```
* If all files are located in one directory (directories.length === 1),
* we simply return a relative path to that location.
*
* Otherwise, we loop through them all to find the outer one that contains
* all the headers inside. That location is then returned with /** appended at
* the end so Xcode marks that location as `recursive` and will look inside
* every folder of it to locate correct headers.
*/
module.exports = function getHeaderSearchPath(sourceDir, headers) {
const directories = union(
headers.map(path.dirname)
);
return directories.length === 1
? `"$(SRCROOT)${path.sep}${path.relative(sourceDir, directories[0])}"`
: `"$(SRCROOT)${path.sep}${path.relative(sourceDir, getOuterDirectory(directories))}/**"`;
};