| 1 | /**
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| 2 | * @fileoverview Rule to count multiple spaces in regular expressions
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| 3 | * @author Matt DuVall <http://www.mattduvall.com/>
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| 4 | */
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| 5 |
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| 6 | //------------------------------------------------------------------------------
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| 7 | // Rule Definition
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| 8 | //------------------------------------------------------------------------------
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| 9 |
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| 10 | module.exports = function(context) {
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| 11 |
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| 12 | ;
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| 13 |
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| 14 | return {
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| 15 |
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| 16 | "Literal": function(node) {
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| 17 | var token = context.getTokens(node)[0],
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| 18 | nodeType = token.type,
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| 19 | nodeValue = token.value,
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| 20 | multipleSpacesRegex = /( {2,})+?/,
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| 21 | regexResults;
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| 22 |
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| 23 | if (nodeType === "RegularExpression") {
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| 24 | regexResults = multipleSpacesRegex.exec(nodeValue);
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| 25 |
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| 26 | if (regexResults !== null) {
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| 27 | context.report(node, "Spaces are hard to count. Use {" + regexResults[0].length + "}.");
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| 28 | }
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| 29 | }
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| 30 | }
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| 31 | };
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| 32 |
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| 33 | };
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