main
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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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100644
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File size:
910 bytes
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| [d565449] | 1 | /**
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| 2 | * @fileoverview Common utils for AST.
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| 3 | *
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| 4 | * This file contains only shared items for core and rules.
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| 5 | * If you make a utility for rules, please see `../rules/utils/ast-utils.js`.
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| 6 | *
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| 7 | * @author Toru Nagashima <https://github.com/mysticatea>
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| 8 | */
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| 9 | "use strict";
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| 10 |
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| 11 | const breakableTypePattern = /^(?:(?:Do)?While|For(?:In|Of)?|Switch)Statement$/u;
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| 12 | const lineBreakPattern = /\r\n|[\r\n\u2028\u2029]/u;
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| 13 | const shebangPattern = /^#!([^\r\n]+)/u;
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| 14 |
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| 15 | /**
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| 16 | * Creates a version of the `lineBreakPattern` regex with the global flag.
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| 17 | * Global regexes are mutable, so this needs to be a function instead of a constant.
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| 18 | * @returns {RegExp} A global regular expression that matches line terminators
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| 19 | */
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| 20 | function createGlobalLinebreakMatcher() {
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| 21 | return new RegExp(lineBreakPattern.source, "gu");
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| 22 | }
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| 23 |
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| 24 | module.exports = {
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| 25 | breakableTypePattern,
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| 26 | lineBreakPattern,
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| 27 | createGlobalLinebreakMatcher,
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| 28 | shebangPattern
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| 29 | };
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