mirror of https://gitee.com/bigwinds/arangodb
47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
/**
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* @fileoverview Rule to count multiple spaces in regular expressions
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* @author Matt DuVall <http://www.mattduvall.com/>
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = {
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meta: {
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docs: {
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description: "disallow multiple spaces in regular expression literals",
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category: "Possible Errors",
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recommended: true
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},
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schema: []
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},
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create: function(context) {
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var sourceCode = context.getSourceCode();
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return {
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Literal: function(node) {
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var token = sourceCode.getFirstToken(node),
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nodeType = token.type,
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nodeValue = token.value,
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multipleSpacesRegex = /( {2,})+?/,
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regexResults;
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if (nodeType === "RegularExpression") {
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regexResults = multipleSpacesRegex.exec(nodeValue);
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if (regexResults !== null) {
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context.report(node, "Spaces are hard to count. Use {" + regexResults[0].length + "}.");
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}
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}
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}
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};
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}
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};
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