/** * @author Yosuke Ota * See LICENSE file in root directory for full license. */ "use strict" const { READ, ReferenceTracker } = require("eslint-utils") module.exports = { meta: { docs: { description: "disallow the `WeakRef` and `FinalizationRegistry` class.", category: "ES2021", recommended: false, url: "http://mysticatea.github.io/eslint-plugin-es/rules/no-weakrefs.html", }, fixable: null, messages: { forbidden: "ES2021 '{{name}}' class is forbidden.", }, schema: [], type: "problem", }, create(context) { return { "Program:exit"() { const tracker = new ReferenceTracker(context.getScope()) for (const { node, path } of tracker.iterateGlobalReferences({ FinalizationRegistry: { [READ]: true }, WeakRef: { [READ]: true }, })) { context.report({ node, messageId: "forbidden", data: { name: path.join(".") }, }) } }, } }, }