87 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			87 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | 'use strict'; | ||
|  | 
 | ||
|  | var fs = require('fs'), | ||
|  |   join = require('path').join, | ||
|  |   resolve = require('path').resolve, | ||
|  |   dirname = require('path').dirname, | ||
|  |   defaultOptions = { | ||
|  |     extensions: ['js', 'json', 'coffee'], | ||
|  |     recurse: true, | ||
|  |     rename: function (name) { | ||
|  |       return name; | ||
|  |     }, | ||
|  |     visit: function (obj) { | ||
|  |       return obj; | ||
|  |     } | ||
|  |   }; | ||
|  | 
 | ||
|  | function checkFileInclusion(path, filename, options) { | ||
|  |   return ( | ||
|  |     // verify file has valid extension
 | ||
|  |     (new RegExp('\\.(' + options.extensions.join('|') + ')$', 'i').test(filename)) && | ||
|  | 
 | ||
|  |     // if options.include is a RegExp, evaluate it and make sure the path passes
 | ||
|  |     !(options.include && options.include instanceof RegExp && !options.include.test(path)) && | ||
|  | 
 | ||
|  |     // if options.include is a function, evaluate it and make sure the path passes
 | ||
|  |     !(options.include && typeof options.include === 'function' && !options.include(path, filename)) && | ||
|  | 
 | ||
|  |     // if options.exclude is a RegExp, evaluate it and make sure the path doesn't pass
 | ||
|  |     !(options.exclude && options.exclude instanceof RegExp && options.exclude.test(path)) && | ||
|  | 
 | ||
|  |     // if options.exclude is a function, evaluate it and make sure the path doesn't pass
 | ||
|  |     !(options.exclude && typeof options.exclude === 'function' && options.exclude(path, filename)) | ||
|  |   ); | ||
|  | } | ||
|  | 
 | ||
|  | function requireDirectory(m, path, options) { | ||
|  |   var retval = {}; | ||
|  | 
 | ||
|  |   // path is optional
 | ||
|  |   if (path && !options && typeof path !== 'string') { | ||
|  |     options = path; | ||
|  |     path = null; | ||
|  |   } | ||
|  | 
 | ||
|  |   // default options
 | ||
|  |   options = options || {}; | ||
|  |   for (var prop in defaultOptions) { | ||
|  |     if (typeof options[prop] === 'undefined') { | ||
|  |       options[prop] = defaultOptions[prop]; | ||
|  |     } | ||
|  |   } | ||
|  | 
 | ||
|  |   // if no path was passed in, assume the equivelant of __dirname from caller
 | ||
|  |   // otherwise, resolve path relative to the equivalent of __dirname
 | ||
|  |   path = !path ? dirname(m.filename) : resolve(dirname(m.filename), path); | ||
|  | 
 | ||
|  |   // get the path of each file in specified directory, append to current tree node, recurse
 | ||
|  |   fs.readdirSync(path).forEach(function (filename) { | ||
|  |     var joined = join(path, filename), | ||
|  |       files, | ||
|  |       key, | ||
|  |       obj; | ||
|  | 
 | ||
|  |     if (fs.statSync(joined).isDirectory() && options.recurse) { | ||
|  |       // this node is a directory; recurse
 | ||
|  |       files = requireDirectory(m, joined, options); | ||
|  |       // exclude empty directories
 | ||
|  |       if (Object.keys(files).length) { | ||
|  |         retval[options.rename(filename, joined, filename)] = files; | ||
|  |       } | ||
|  |     } else { | ||
|  |       if (joined !== m.filename && checkFileInclusion(joined, filename, options)) { | ||
|  |         // hash node key shouldn't include file extension
 | ||
|  |         key = filename.substring(0, filename.lastIndexOf('.')); | ||
|  |         obj = m.require(joined); | ||
|  |         retval[options.rename(key, joined, filename)] = options.visit(obj, joined, filename) || obj; | ||
|  |       } | ||
|  |     } | ||
|  |   }); | ||
|  | 
 | ||
|  |   return retval; | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = requireDirectory; | ||
|  | module.exports.defaults = defaultOptions; |