https://github.com/lamansky/weakable

[Node.js] Returns true if a value can be used as a WeakSet item or a WeakMap key.
https://github.com/lamansky/weakable

javascript nodejs weakmap weakset

Last synced: 6 months ago
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[Node.js] Returns true if a value can be used as a WeakSet item or a WeakMap key.

• Host: GitHub
• URL: https://github.com/lamansky/weakable
• Owner: lamansky
• License: mit
• Created: 2017-11-28T11:09:42.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2017-11-28T11:16:08.000Z (over 8 years ago)
• Last Synced: 2025-08-04T02:48:03.576Z (7 months ago)
• Topics: javascript, nodejs, weakmap, weakset
• Language: JavaScript
• Homepage:
• Size: 1000 Bytes
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md
  • License: license.txt

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README

          
# weakable

A Node.js module that returns true if a value can be used as a WeakSet item or a WeakMap key.

## Installation

```bash

npm install weakable --save

```

## Usage

```javascript

const weakable = require('weakable')

const set = new WeakSet()

const obj = {}

weakable(obj) // true

set.add(obj)

const str = 'test'

weakable(str) // false

set.add(str) // Uncaught TypeError: Invalid value used in weak set

```