no-octal.js
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/**
* @fileoverview Rule to flag when initializing octal literal
* @author Ilya Volodin
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "disallow octal literals",
category: "Best Practices",
recommended: true,
url: "https://eslint.org/docs/rules/no-octal"
},
schema: []
},
create(context) {
return {
Literal(node) {
if (typeof node.value === "number" && /^0[0-9]/u.test(node.raw)) {
context.report({ node, message: "Octal literals should not be used." });
}
}
};
}
};