var path = require('path') , typeOf = require('precise-typeof') , getFiles = require('./get_files.js') , resolveExts = require('./resolve_exts.js') ; // Public API module.exports = getCacheKey; /** * Generates cache key from the search directories * and provided list of parsers * * @returns {string} - cache key */ function getCacheKey() { // use the one from the context var directories = this.directories || this.defaults.directories; return resolveDir(directories) + ':' + getFiles.call(this, process.env).join(',') + ':' + resolveExts.call(this).join(',') ; } /** * Resolves `directories` argument into a absolute path * * @param {array|string} directories - directories to resolve * @returns {string} - absolute path to the directories */ function resolveDir(directories) { var directoriesAbsPath; if (typeOf(directories) == 'array') { directoriesAbsPath = directories.map(function(d) { return path.resolve(d); }).join('|'); } else { directoriesAbsPath = path.resolve(directories); } return directoriesAbsPath; }