Files
flights_web_raw/ClientApp/node_modules/is-finalizationregistry/README.md
T
gnezim 0a5ab058a6 Initial commit: Aeroflot Flights Web - Angular 12 baseline
- Angular 12 application with PrimeNG components
- 5 existing Cypress e2e test suites
- SCSS styling with BEM naming convention
- i18n support (10 languages)
- Leaflet map integration
- Complete component hierarchy and routing structure

This baseline will be used for Angular → React migration.
2026-04-05 18:47:57 +03:00

2.6 KiB

is-finalizationregistry Version Badge

github actions coverage dependency status dev dependency status License Downloads

npm badge

Is this value a JS FinalizationRegistry? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Example

var isFinalizationRegistry = require('is-finalizationregistry');
assert(!isFinalizationRegistry(function () {}));
assert(!isFinalizationRegistry(null));
assert(!isFinalizationRegistry(function* () { yield 42; return Infinity; });
assert(!isFinalizationRegistry(Symbol('foo')));
assert(!isFinalizationRegistry(1n));
assert(!isFinalizationRegistry(Object(1n)));

assert(!isFinalizationRegistry(new Set()));
assert(!isFinalizationRegistry(new WeakSet()));
assert(!isFinalizationRegistry(new Map()));
assert(!isFinalizationRegistry(new WeakMap()));
assert(!isFinalizationRegistry(new WeakRef({})));

assert(isFinalizationRegistry(new FinalizationRegistry(function () {})));

class MyFinalizationRegistry extends FinalizationRegistry {}
assert(isFinalizationRegistry(new MyFinalizationRegistry(function () {})));

Tests

Simply clone the repo, npm install, and run npm test