1 | /**
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2 | * @fileoverview Module for loading rules from files and directories.
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3 | * @author Michael Ficarra
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4 | */
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5 |
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6 | ;
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7 |
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8 | //------------------------------------------------------------------------------
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9 | // Requirements
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10 | //------------------------------------------------------------------------------
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11 |
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12 | const fs = require("fs"),
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13 | path = require("path");
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14 |
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15 | //------------------------------------------------------------------------------
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16 | // Public Interface
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17 | //------------------------------------------------------------------------------
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18 |
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19 | /**
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20 | * Load all rule modules from specified directory.
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21 | * @param {string} [rulesDir] Path to rules directory, may be relative. Defaults to `lib/rules`.
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22 | * @param {string} cwd Current working directory
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23 | * @returns {Object} Loaded rule modules by rule ids (file names).
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24 | */
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25 | module.exports = function(rulesDir, cwd) {
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26 | if (!rulesDir) {
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27 | rulesDir = path.join(__dirname, "rules");
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28 | } else {
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29 | rulesDir = path.resolve(cwd, rulesDir);
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30 | }
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31 |
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32 | const rules = Object.create(null);
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33 |
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34 | fs.readdirSync(rulesDir).forEach(function(file) {
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35 | if (path.extname(file) !== ".js") {
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36 | return;
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37 | }
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38 | rules[file.slice(0, -3)] = path.join(rulesDir, file);
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39 | });
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40 | return rules;
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41 | };
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