eslint
Version:
An AST-based pattern checker for JavaScript.
46 lines (38 loc) • 851 B
JavaScript
/**
* @fileoverview Rule to flag when initializing octal literal
* @author Ilya Volodin
*/
;
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../types').Rule.RuleModule} */
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "Disallow octal literals",
recommended: true,
url: "https://eslint.org/docs/latest/rules/no-octal",
},
schema: [],
messages: {
noOctal: "Octal literals should not be used.",
},
},
create(context) {
return {
Literal(node) {
if (
typeof node.value === "number" &&
/^0[0-9]/u.test(node.raw)
) {
context.report({
node,
messageId: "noOctal",
});
}
},
};
},
};