Category : promise

Goal: Wait custom suggestions from a fake server response. Problem: I cannot understand how I can tell to Monaco editor completion items provider to wait for async suggestions. Playground example: Go to playground Paste the following code console.log("1. Instantiate a standalone code editor"); const language = "json" const content = `{nt"dependencies": {nttnt}n}n` const options = ..

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In the following javascript code, why does the error (generated by the assignment to an non-existing object property inside the promise) not get caught by the .catch() on the promise, but does get caught by the window.onunhandledrejection function? I would like to be able to catch errors in my promises using .catch() even if they ..

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const toTest = async () => { return Promise.reject(‘ERROR’); // or throw ‘Error’; } assert.doesNotReject(toTest, TypeError); It prompts out (node:3056) UnhandledPromiseRejectionWarning: ERROR (Use `node –trace-warnings …` to show where the warning was created) (node:3056) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by ..

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I use the following code: import React, { Component } from ‘react’; import { render } from ‘react-dom’; const imageString = ‘https://glebekitchen.com/wp-content/uploads/2018/09/neapolitanpepperoni.jpg’; function getPromise(imageData) { return new Promise((resolve, reject) => { const myImage = new Image(); myImage.onload = () => resolve(myImage.width); myImage.onerror = reject(-1); myImage.src = imageData; }); } async function getWidth() { const promise ..

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A follow-on question / issue to Programmatically open nested, collapsed (hidden) node in d3.js v4 updated for d3.js v6. The issue is the loading of external JSON data in the d3 collapsible menu visualization, and the programmatic access of nested (collapsed, hidden) nodes. It appears that "treeData", which is the loaded Object, is not being ..

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