61 lines
1.2 KiB
Plaintext
61 lines
1.2 KiB
Plaintext
/**
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* @fileoverview Rule to check for ambiguous div operator in regexes
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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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/** @type {import('../shared/types').Rule} */
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module.exports = {
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meta: {
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type: "suggestion",
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docs: {
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description:
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"Disallow equal signs explicitly at the beginning of regular expressions",
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recommended: false,
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frozen: true,
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url: "https://eslint.org/docs/latest/rules/no-div-regex",
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},
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fixable: "code",
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schema: [],
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messages: {
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unexpected:
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"A regular expression literal can be confused with '/='.",
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},
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},
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create(context) {
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const sourceCode = context.sourceCode;
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return {
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Literal(node) {
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const token = sourceCode.getFirstToken(node);
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if (
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token.type === "RegularExpression" &&
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token.value[1] === "="
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) {
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context.report({
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node,
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messageId: "unexpected",
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fix(fixer) {
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return fixer.replaceTextRange(
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[token.range[0] + 1, token.range[0] + 2],
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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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};
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},
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};
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