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29 lines
910 B
29 lines
910 B
/** |
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* @fileoverview Common utils for AST. |
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* |
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* This file contains only shared items for core and rules. |
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* If you make a utility for rules, please see `../rules/utils/ast-utils.js`. |
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* |
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* @author Toru Nagashima <https://github.com/mysticatea> |
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*/ |
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"use strict"; |
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const breakableTypePattern = /^(?:(?:Do)?While|For(?:In|Of)?|Switch)Statement$/u; |
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const lineBreakPattern = /\r\n|[\r\n\u2028\u2029]/u; |
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const shebangPattern = /^#!([^\r\n]+)/u; |
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/** |
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* Creates a version of the `lineBreakPattern` regex with the global flag. |
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* Global regexes are mutable, so this needs to be a function instead of a constant. |
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* @returns {RegExp} A global regular expression that matches line terminators |
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*/ |
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function createGlobalLinebreakMatcher() { |
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return new RegExp(lineBreakPattern.source, "gu"); |
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} |
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module.exports = { |
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breakableTypePattern, |
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lineBreakPattern, |
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createGlobalLinebreakMatcher, |
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shebangPattern |
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};
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