/** * @fileoverview Rule to flag use of arguments.callee and arguments.caller. * @author Nicholas C. Zakas */ "use strict"; //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ /** @type {import('../shared/types').Rule} */ module.exports = { meta: { type: "suggestion", docs: { description: "Disallow the use of `arguments.caller` or `arguments.callee`", recommended: false, url: "https://eslint.org/docs/rules/no-caller" }, schema: [], messages: { unexpected: "Avoid arguments.{{prop}}." } }, create(context) { return { MemberExpression(node) { const objectName = node.object.name, propertyName = node.property.name; if (objectName === "arguments" && !node.computed && propertyName && propertyName.match(/^calle[er]$/u)) { context.report({ node, messageId: "unexpected", data: { prop: propertyName } }); } } }; } };