BriceShatzer/file.js

## file.js

// - Write an example of a test case to make sure it works
// You have a set of expensive javascript asynchronous tasks to run, e.g. you need to make 10,000 ajax requests.
// You need a function that takes a set of tasks, and a concurrency limit (e.g. "5 tasks at a time") and runs the tasks until all are complete

// - Design the interface for this function, accounting for ease of use, reusability, error handling, and testing
// - Implement out the function
// - Write an example of a test case to make sure it works
// - What would you do to make it production ready if you had a week to work on it?


function runSet (arrOfFunctions){

    let resultsArr = [];

    let currentlyRunningCount;
    let allDone = []
    //let allDone = new Promise(resolve => {
        // do some stuff
        arrOfFunctions.forEach( (func,i)=>{
            const prom = new Promise ((resolve)=>{
                runOrWait(func,i);

                function runOrWait (func,i){
                    if(currentlyRunningCount>5) {
                        //wait and check letter;
                        setTimeout(200,()=>runOrWait(func,i));
                    } else {
                        currentlyRunningCount++
                        func.then((res)=>{
                            //handle breaks
                            resultsArr.splice(i,0,res);
                            currentlyRunningCount--;
                            resolve();
                        });
                    }

                }
            }

            allDone.push(prom)


        });
        return Promise.all([...allDone]).then(()=>{
            return resultsArr
        })

      //  resolve();
   // })


    // return resultsArr;

    // Promise.all(
    //     [funcA,FuncB]
    // ).then(results)
    // [a,b,c,d,e,f,g,]
}
// const resultsArr = ()=>funSet([
//     funcA,
//     funcB,
// ]);

## original_file.html
// You have a set of expensive javascript asynchronous tasks to run, e.g. you need to make 10,000 ajax requests.
// You need a function that takes a set of tasks, and a concurrency limit (e.g. "5 tasks at a time") and runs the tasks until all are complete

// - Design the interface for this function, accounting for ease of use, reusability, error handling, and testing
// - Implement out the function
// - Write an example of a test case to make sure it works
// - What would you do to make it production ready if you had a week to work on it?
<html>
    <script>

    </script>
    <body>Hello</body>
</html>

	// - Write an example of a test case to make sure it works
	// You have a set of expensive javascript asynchronous tasks to run, e.g. you need to make 10,000 ajax requests.
	// You need a function that takes a set of tasks, and a concurrency limit (e.g. "5 tasks at a time") and runs the tasks until all are complete

	// - Design the interface for this function, accounting for ease of use, reusability, error handling, and testing
	// - Implement out the function
	// - Write an example of a test case to make sure it works
	// - What would you do to make it production ready if you had a week to work on it?


	function runSet (arrOfFunctions){

	let resultsArr = [];

	let currentlyRunningCount;
	let allDone = []
	//let allDone = new Promise(resolve => {
	// do some stuff
	arrOfFunctions.forEach( (func,i)=>{
	const prom = new Promise ((resolve)=>{
	runOrWait(func,i);

	function runOrWait (func,i){
	if(currentlyRunningCount>5) {
	//wait and check letter;
	setTimeout(200,()=>runOrWait(func,i));
	} else {
	currentlyRunningCount++
	func.then((res)=>{
	//handle breaks
	resultsArr.splice(i,0,res);
	currentlyRunningCount--;
	resolve();
	});
	}

	}
	}

	allDone.push(prom)





	});
	return Promise.all([...allDone]).then(()=>{
	return resultsArr
	})

	// resolve();
	// })



	// return resultsArr;

	// Promise.all(
	// [funcA,FuncB]
	// ).then(results)
	// [a,b,c,d,e,f,g,]
	}
	// const resultsArr = ()=>funSet([
	// funcA,
	// funcB,
	// ]);