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