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87 lines
2.8 KiB
87 lines
2.8 KiB
4 years ago
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'use strict';
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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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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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// 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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// 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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// 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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// 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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function requireDirectory(m, path, options) {
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var retval = {};
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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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// 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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// 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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// 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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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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return retval;
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}
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module.exports = requireDirectory;
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module.exports.defaults = defaultOptions;
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