Function DisposableStack

DisposableStack/implementation.js:25–35

()

var symbolDispose = require('../Symbol.dispose/polyfill')();

var DisposableStack = function DisposableStack() {
	if (
		!(this instanceof DisposableStack)
		|| SLOT.has(this, '[[DisposableState]]')
		|| SLOT.has(this, '[[DisposeCapability]]')
	) {
		throw new $TypeError('can only be used with new');
	}
	SLOT.set(this, '[[DisposableState]]', 'PENDING');
	SLOT.set(this, '[[DisposeCapability]]', NewDisposeCapability());
};

var disposed = function disposed() {
	var disposableStack = this; // step 1