anorgatarrak-wordpress-theme/node_modules/findup-sync/lib/findup-sync.js

50 lines
1.4 KiB
JavaScript

/*
* findup-sync
* https://github.com/cowboy/node-findup-sync
*
* Copyright (c) 2013 "Cowboy" Ben Alman
* Licensed under the MIT license.
*/
'use strict';
// Nodejs libs.
var path = require('path');
// External libs.
var glob = require('glob');
// Search for a filename in the given directory or all parent directories.
module.exports = function(patterns, options) {
// Normalize patterns to an array.
if (!Array.isArray(patterns)) { patterns = [patterns]; }
// Create globOptions so that it can be modified without mutating the
// original object.
var globOptions = Object.create(options || {});
globOptions.maxDepth = 1;
globOptions.cwd = path.resolve(globOptions.cwd || '.');
var files, lastpath;
do {
// Search for files matching patterns.
files = patterns.map(function(pattern) {
return glob.sync(pattern, globOptions);
}).reduce(function(a, b) {
return a.concat(b);
}).filter(function(entry, index, arr) {
return index === arr.indexOf(entry);
});
// Return file if found.
if (files.length > 0) {
return path.resolve(path.join(globOptions.cwd, files[0]));
}
// Go up a directory.
lastpath = globOptions.cwd;
globOptions.cwd = path.resolve(globOptions.cwd, '..');
// If parentpath is the same as basedir, we can't go any higher.
} while (globOptions.cwd !== lastpath);
// No files were found!
return null;
};