@debonet/es6pledges/src/try.js

Cancellable Promises for Javascript ES6

const Pledge = require( "../src/es6pledges" );

function fpDelay( dtm, s ){
	let timeout;
	
	return new Pledge(
		async (fResolve, fReject) => {
			timeout = setTimeout(()=> {
				console.log("FININSHED!");
				fResolve( `[F:${dtm}]${s}` );
			}, dtm);
		},
		( resolve, reject, status, reason, ...extras ) => {
			(status?resolve:reject)(`[C:${reason}]${s}`);
			console.log("CANCELLEED!");
			clearTimeout( timeout );
			return true;
		}
	);
}


//	.then(()=>fpDelay( 3000 ))
//	.then((x)=>"foobar"+x)
//	.then((x)=>fpDelay( 3000, x ))
//	.then((x)=>fpDelay( 3000, x ))

//	.then((x)=>"foobar"+x)
//const p2 = Pact.all([ ])
//const p2 = Pledge.all([ ])
//const p2 = Pledge.all([ ])
//	.then(x=>{console.log("foo",x); return 4;});
//const p2 = Pledge.resolve(100)
const p2 = fpDelay( 3000, "*" )
	.then((x)=>fpDelay( 3001, x ))
	.then((x)=>fpDelay( 3001, x ))
	.then((x)=>fpDelay( 3001, x ))
//const p2 = Pledge.resolve("[S:100]")
	.then((x)=>Pledge.reject("failed"+x))
	.catch((x)=>Pledge.reject("failed"+x))
	.then((x)=>fpDelay( 3001, x ))
	.then((x)=>fpDelay( 3001, x ))
	.catch((x)=>fpDelay( 3001, x ))
	.then((x)=>Pledge.reject("failed"+x))
	.then((x)=>fpDelay( 3001, x ))
/*
	.then((x)=>"foobar"+x)
	.then((x)=>fpDelay( 3000, x ))
	.then((x)=>"bar"+x)
	.then((x)=>fpDelay( 3000, x ))
	.catch((x)=>({ "foo":x}))
	.then((x)=>({ "bar":x}))
*/
	.then((x)=>console.log("SUCCESS OUTPUT", x))
	.catch((x)=>console.log("FAILURE OUTPUT", x))

setTimeout(()=>{
	console.log("----------------------");
	p2.release( true, "ok" );
}, 100);