semaphore attampt 1: failure

Fortune for async-timeout-js's current commit: Curse − 凶

semaphore.js

@@ -0,0 +1,53 @@
+
+function SemaphoreDisposed(message) { this.message = message || "Semaphore was disposed"; Object.freeze(this); }
+
+const new_id = () => {
+	
+};
+apsdajod XXX: eh, this isn't working...
+
+function Semaphore(cap)
+{
+
+	function Handle(next, id)
+	{
+		this.state = next;
+		this.id = id || new_id();
+	}
+
+	Handle.create = function(resolve, reject, id) {
+		let handle = new Handle(this, id);
+		handle.state[handle.id] = (error) => error ? reject(error) : resolve();
+		return handle;
+	};
+
+	// Waiters for the seamphore
+	var next = {
+		waiters: {},
+		// Push a waiter into the queue and return a promise for when it completes
+		wait: () => {
+			new Promise((resolve, reject) => { // next.waiters.push(error => error ? reject(error) : resolve()))
+				return Handle.create(resolve, reject).bind(next);
+			});
+		}, 
+		// Pop a waiter from the queue and complete its promise (with an optional truthy error)
+		add: (error) => { if(next.waiters.length>0) next.waiters.shift()(error); }, 
+		// Complete all semaphores, with an optional truthy error for rejection
+		flush: (reject) => { 
+			while(next.waiters.length>0) next.waiters.shift()(reject);
+		},
+		// Dispose all semaphores in the waiter
+		dispose: (message) => next.flush(new SemaphoreDisposed(message))
+	};
+
+	this.capacity = cap;
+	this.length = 0;
+
+	this.acquire = async () => {
+		
+	};
+
+	this.release = () => {
+
+	};
+}