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/**
* @fileoverview Rule to check for ambiguous div operator in regexes
* @author Matt DuVall <http://www.mattduvall.com>
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "disallow division operators explicitly at the beginning of regular expressions",
category: "Best Practices",
recommended: false,
url: "https://eslint.org/docs/rules/no-div-regex"
},
schema: [],
messages: {
unexpected: "A regular expression literal can be confused with '/='."
}
},
create(context) {
const sourceCode = context.getSourceCode();
return {
Literal(node) {
const token = sourceCode.getFirstToken(node);
if (token.type === "RegularExpression" && token.value[1] === "=") {
context.report({ node, messageId: "unexpected" });
}
}
};
}
};