Vlad Durnea
cffdf8af86
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30 lines
910 B
JavaScript
30 lines
910 B
JavaScript
/**
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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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