53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const hash = require('./hash');
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const path = require('path');
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/**
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* Return the cacheFile to be used by stylelint, based on whether the provided parameter is
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* a directory or looks like a directory (ends in `path.sep`), in which case the file
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* name will be `cacheFile/.cache_hashOfCWD`.
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*
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* If cacheFile points to a file or looks like a file, then it will just use that file.
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*
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* @param {string} cacheFile - The name of file to be used to store the cache
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* @param {string} cwd - Current working directory. Used for tests
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* @returns {string} Resolved path to the cache file
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*/
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module.exports = function getCacheFile(cacheFile, cwd) {
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/*
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* Make sure path separators are normalized for environment/os.
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* Also, keep trailing path separator if present.
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*/
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cacheFile = path.normalize(cacheFile);
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const resolvedCacheFile = path.resolve(cwd, cacheFile);
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// If the last character passed is a path separator, we assume is a directory.
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const looksLikeADirectory = cacheFile[cacheFile.length - 1] === path.sep;
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/**
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* Return the default cache file name when provided parameter is a directory.
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* @returns {string} - Resolved path to the cacheFile
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*/
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function getCacheFileForDirectory() {
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return path.join(resolvedCacheFile, `.stylelintcache_${hash(cwd)}`);
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}
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let fileStats;
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try {
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fileStats = fs.lstatSync(resolvedCacheFile);
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} catch {
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fileStats = null;
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}
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if (looksLikeADirectory || (fileStats && fileStats.isDirectory())) {
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// Return path to provided directory with generated file name.
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return getCacheFileForDirectory();
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}
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// Return normalized path to cache file.
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return resolvedCacheFile;
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};
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