source: trip-planner-front/node_modules/require-directory/index.js@ 571e0df

Last change on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.8 KB
Line 
1'use strict';
2
3var fs = require('fs'),
4 join = require('path').join,
5 resolve = require('path').resolve,
6 dirname = require('path').dirname,
7 defaultOptions = {
8 extensions: ['js', 'json', 'coffee'],
9 recurse: true,
10 rename: function (name) {
11 return name;
12 },
13 visit: function (obj) {
14 return obj;
15 }
16 };
17
18function checkFileInclusion(path, filename, options) {
19 return (
20 // verify file has valid extension
21 (new RegExp('\\.(' + options.extensions.join('|') + ')$', 'i').test(filename)) &&
22
23 // if options.include is a RegExp, evaluate it and make sure the path passes
24 !(options.include && options.include instanceof RegExp && !options.include.test(path)) &&
25
26 // if options.include is a function, evaluate it and make sure the path passes
27 !(options.include && typeof options.include === 'function' && !options.include(path, filename)) &&
28
29 // if options.exclude is a RegExp, evaluate it and make sure the path doesn't pass
30 !(options.exclude && options.exclude instanceof RegExp && options.exclude.test(path)) &&
31
32 // if options.exclude is a function, evaluate it and make sure the path doesn't pass
33 !(options.exclude && typeof options.exclude === 'function' && options.exclude(path, filename))
34 );
35}
36
37function requireDirectory(m, path, options) {
38 var retval = {};
39
40 // path is optional
41 if (path && !options && typeof path !== 'string') {
42 options = path;
43 path = null;
44 }
45
46 // default options
47 options = options || {};
48 for (var prop in defaultOptions) {
49 if (typeof options[prop] === 'undefined') {
50 options[prop] = defaultOptions[prop];
51 }
52 }
53
54 // if no path was passed in, assume the equivelant of __dirname from caller
55 // otherwise, resolve path relative to the equivalent of __dirname
56 path = !path ? dirname(m.filename) : resolve(dirname(m.filename), path);
57
58 // get the path of each file in specified directory, append to current tree node, recurse
59 fs.readdirSync(path).forEach(function (filename) {
60 var joined = join(path, filename),
61 files,
62 key,
63 obj;
64
65 if (fs.statSync(joined).isDirectory() && options.recurse) {
66 // this node is a directory; recurse
67 files = requireDirectory(m, joined, options);
68 // exclude empty directories
69 if (Object.keys(files).length) {
70 retval[options.rename(filename, joined, filename)] = files;
71 }
72 } else {
73 if (joined !== m.filename && checkFileInclusion(joined, filename, options)) {
74 // hash node key shouldn't include file extension
75 key = filename.substring(0, filename.lastIndexOf('.'));
76 obj = m.require(joined);
77 retval[options.rename(key, joined, filename)] = options.visit(obj, joined, filename) || obj;
78 }
79 }
80 });
81
82 return retval;
83}
84
85module.exports = requireDirectory;
86module.exports.defaults = defaultOptions;
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