| /* |
| * 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; |
| }; |