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