63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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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const path = require('path');
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const union = require('lodash').union;
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const last = require('lodash').last;
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/**
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* Given an array of directories, it returns the one that contains
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* all the other directories in a given array inside it.
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*
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* Example:
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* Given an array of directories: ['/Users/Kureev/a', '/Users/Kureev/b']
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* the returned folder is `/Users/Kureev`
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*
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* Check `getHeaderSearchPath.spec.js` for more use-cases.
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*/
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const getOuterDirectory = directories =>
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directories.reduce((topDir, currentDir) => {
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const currentFolders = currentDir.split(path.sep);
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const topMostFolders = topDir.split(path.sep);
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if (
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currentFolders.length === topMostFolders.length &&
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last(currentFolders) !== last(topMostFolders)
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) {
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return currentFolders.slice(0, -1).join(path.sep);
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}
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return currentFolders.length < topMostFolders.length ? currentDir : topDir;
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});
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/**
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* Given an array of headers it returns search path so Xcode can resolve
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* headers when referenced like below:
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* ```
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* #import "CodePush.h"
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* ```
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* If all files are located in one directory (directories.length === 1),
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* we simply return a relative path to that location.
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*
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* Otherwise, we loop through them all to find the outer one that contains
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* all the headers inside. That location is then returned with /** appended at
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* the end so Xcode marks that location as `recursive` and will look inside
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* every folder of it to locate correct headers.
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*/
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module.exports = function getHeaderSearchPath(sourceDir, headers) {
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const directories = union(headers.map(path.dirname));
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return directories.length === 1
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? `"$(SRCROOT)${path.sep}${path.relative(sourceDir, directories[0])}"`
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: `"$(SRCROOT)${path.sep}${path.relative(
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sourceDir,
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getOuterDirectory(directories),
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)}/**"`;
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};
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