zioinfo-mail/app/node_modules/is-weakmap/README.md
DESKTOP-TKLFCPR\ython 11c670f2a0 refactor: 101.79.17.164 → zioinfo.co.kr 전체 도메인 변환 + Manager UI 배포
- 37개 파일 IP → zioinfo.co.kr 치환 (소스/매뉴얼/설정/하네스)
- Manager DrConsole/NetworkConsole/CsapConsole 빌드 + /var/www/manager/ 배포
- 테스트: Manager HTTP 200, ITSM 신규 API 7개 전체 200

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-31 10:09:17 +09:00

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

Example

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

assert(!isWeakMap(new Set()));
assert(!isWeakMap(new WeakSet()));
assert(!isWeakMap(new Map()));

assert(isWeakMap(new WeakMap()));

class MyWeakMap extends WeakMap {}
assert(isWeakMap(new MyWeakMap()));

Tests

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