I am trying to use the new async features and I hope solving my problem will help others in the future. This is my code which is working:    async function asyncGenerator() {     // other code     while (goOn) {       // other code       var fileLi...
I haven't seen these constructs used much but I've found myself writing them to make use of async / await in functions that wouldn't typically return a promise, for example  chan.consume(queue, (msg) => {   this.pendingMsgs++; // execu...
I'm trying to learn async-await. In this code -   const myFun = () => {     let state = false;      setTimeout(() => {state = true}, 2000);      return new Promise((resolve, reject) => {         setTimeout(() => {             if(state...
I just came to the painful realization that generator functions cannot be used with await. Only promises or async functions.  My team built an entire application with all modules consisting of generator functions, with one call to the Co module from...
I already looked everywhere but could not find a solution yet for my particular case.  We are using angular 1.5 and a Karma/Jasmine setup for unit tests. In the initial source code, I used ES2017 async/await in the controller. That seemed to work fin...
In Angular, if I use promise, the code would be   let promise = this.$resource('www.example.com.au/request.json').get().$promise promise.then(data => {     //promise solved }, () => {    //promise rejected })   when it comes to async/aw...
Given the following code:  var arr = [1,2,3,4,5];  var results: number[] = await arr.map(async (item): Promise<number> => {         await callAsynchronousOperation(item);         return item + 1;     });   which produces the following error:...
Actually my main question was using Promise.prototype.catch() in async/await ES8 syntax, Undoubtedly Promise.prototype.then() is existed in essence of async/await syntax.  I searched about using Promise.prototype.catch()  in async/await and found thi...
const ret = () => new Promise(resolve => setTimeout( () => resolve('somestring'), 1000));  async function wrapper() {     let someString = await ret();     return someString; }  console.log( wrapper() );   It logs Promise { <pendi...
I have been playing around with the feature in an SPA using TypeScript and native Promises, and I notice that even if I refactor a long-running function into an async function returning a promise, the UI is still unresponsive.  So my questions are:...

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