Skip to content
Permalink
9bfb9ba527
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
46 lines (36 sloc) 1.32 KB
/**
* @fileoverview Module for loading rules from files and directories.
* @author Michael Ficarra
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const fs = require("fs"),
path = require("path");
const rulesDirCache = {};
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
/**
* Load all rule modules from specified directory.
* @param {string} relativeRulesDir Path to rules directory, may be relative.
* @param {string} cwd Current working directory
* @returns {Object} Loaded rule modules.
*/
module.exports = function(relativeRulesDir, cwd) {
const rulesDir = path.resolve(cwd, relativeRulesDir);
// cache will help performance as IO operation are expensive
if (rulesDirCache[rulesDir]) {
return rulesDirCache[rulesDir];
}
const rules = Object.create(null);
fs.readdirSync(rulesDir).forEach(file => {
if (path.extname(file) !== ".js") {
return;
}
rules[file.slice(0, -3)] = require(path.join(rulesDir, file));
});
rulesDirCache[rulesDir] = rules;
return rules;
};