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Commit | Line | Data |
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eb39fafa DC |
1 | /** |
2 | * @fileoverview Rule to check for ambiguous div operator in regexes | |
3 | * @author Matt DuVall <http://www.mattduvall.com> | |
4 | */ | |
5 | ||
6 | "use strict"; | |
7 | ||
8 | //------------------------------------------------------------------------------ | |
9 | // Rule Definition | |
10 | //------------------------------------------------------------------------------ | |
11 | ||
12 | module.exports = { | |
13 | meta: { | |
14 | type: "suggestion", | |
15 | ||
16 | docs: { | |
17 | description: "disallow division operators explicitly at the beginning of regular expressions", | |
eb39fafa DC |
18 | recommended: false, |
19 | url: "https://eslint.org/docs/rules/no-div-regex" | |
20 | }, | |
21 | ||
22 | fixable: "code", | |
23 | ||
24 | schema: [], | |
25 | ||
26 | messages: { | |
27 | unexpected: "A regular expression literal can be confused with '/='." | |
28 | } | |
29 | }, | |
30 | ||
31 | create(context) { | |
32 | const sourceCode = context.getSourceCode(); | |
33 | ||
34 | return { | |
35 | ||
36 | Literal(node) { | |
37 | const token = sourceCode.getFirstToken(node); | |
38 | ||
39 | if (token.type === "RegularExpression" && token.value[1] === "=") { | |
40 | context.report({ | |
41 | node, | |
42 | messageId: "unexpected", | |
43 | fix(fixer) { | |
44 | return fixer.replaceTextRange([token.range[0] + 1, token.range[0] + 2], "[=]"); | |
45 | } | |
46 | }); | |
47 | } | |
48 | } | |
49 | }; | |
50 | ||
51 | } | |
52 | }; |