has-disposable

Check if a value implements the Disposable or AsyncDisposable protocol

Install

npm install has-disposable

Usage

import hasDisposable, {hasAsyncDisposable} from 'has-disposable';

const resource = {
	[Symbol.dispose]() {
		console.log('disposed');
	},
};

hasDisposable(resource);
//=> true

hasDisposable({});
//=> false

const asyncResource = {
	async [Symbol.asyncDispose]() {
		console.log('async disposed');
	},
};

hasAsyncDisposable(asyncResource);
//=> true

API

hasDisposable(value)

Returns true if the value has a Symbol.dispose method.

value

Type: unknown

The value to check.

hasAsyncDisposable(value)

Returns true if the value has a Symbol.asyncDispose method.

value

Type: unknown

The value to check.

Related

• using - TC39 Explicit Resource Management proposal

License

MIT