MES手机端
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
liup a01a5aa773 提交修改 3 週之前
..
.github 提交修改 3 週之前
test 提交修改 3 週之前
.editorconfig 提交修改 3 週之前
.eslintrc 提交修改 3 週之前
.nycrc 提交修改 3 週之前
CHANGELOG.md 提交修改 3 週之前
LICENSE 提交修改 3 週之前
README.md 提交修改 3 週之前
index.d.ts 提交修改 3 週之前
index.js 提交修改 3 週之前
package.json 提交修改 3 週之前
tsconfig.json 提交修改 3 週之前

README.md

is-weakmap Version Badge

github actions coverage License Downloads

npm badge

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