/
utils.js
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/
utils.js
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/*!
* Nodeunit
* Copyright (c) 2010 Caolan McMahon
* MIT Licensed
*/
/**
* Module dependencies
*/
var async = require('../deps/async'),
fs = require('fs');
/**
* Detect if coffee-script is available and search for .coffee as an
* extension in modulePaths if it is.
*/
var extensionPattern;
try {
require('coffee-script');
extensionPattern = /\.(?:js|coffee)$/;
}
catch (e) {
extensionPattern = /\.js$/;
}
/**
* Finds all modules at each path in an array, If a path is a directory, it
* returns all supported file types inside it. This only reads 1 level deep in
* the directory and does not recurse through sub-directories.
*
* The extension (.js, .coffee etc) is stripped from the filenames so they can
* simply be require()'ed.
*
* @param {Array} paths
* @param {Function} callback
* @api public
*/
exports.modulePaths = function (paths, callback) {
async.concat(paths, function (p, cb) {
fs.stat(p, function (err, stats) {
if (err) return cb(err);
if (stats.isFile()) return cb(null, [p]);
if (stats.isDirectory()) {
fs.readdir(p, function (err, files) {
if (err) return cb(err);
// filter out any filenames with unsupported extensions
var modules = files.filter(function (filename) {
return extensionPattern.exec(filename);
});
// remove extension from module name and prepend the
// directory path
var fullpaths = modules.map(function (filename) {
var mod_name = filename.replace(extensionPattern, '');
return [p, mod_name].join('/');
});
cb(null, fullpaths);
});
}
});
}, callback);
};