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Javascript 2022-02-28 00:25:01
javascript promise.all
var p1 = Promise.resolve(3); var p2 = 1337; var p3 = new Promise((resolve, reject) => { setTimeout(resolve, 100, "foo"); }); Promise.all([p1, p2, p3]).then(values => { console.log(values); // [3, 1337, "foo"] }); Add solution -
Javascript 2021-11-18 22:48:15
javascript promise all
var p1 = Promise.resolve(3); var p2 = 1337; var p3 = new Promise((resolve, reject) => { setTimeout(resolve, 100, "foo"); }); Promise.all([p1, p2, p3]).then(values => { console.log(values); // [3, 1337, "foo"] }); Add solution -
Javascript 2021-11-10 21:22:16
javascript wait for multiple promises
const promise1 = Promise.resolve(3); const promise2 = 42; const promise3 = new Promise((resolve, reject) => { setTimeout(resolve, 100, 'foo'); }); Promise.all([promise1, promise2, promise3]).then((values) => { console.log(values); }); // expect... Add solution -
Other 2021-11-05 09:04:22
simple jest test cases for array of objects
import pizzas from '../data'; // very basic test to notify the user if our pizza data has changed test('the pizza data is correct', () => { expect(pizzas).toMatchSnapshot(); expect(pizzas).toHaveLength(4); expect(pizzas.map(pizza => pizza.nam... Add solution -
Javascript 2021-11-04 00:56:09
How to make a function run only after 2 events has triggered js
const promise1 = Promise.resolve(3); const promise2 = 42; const promise3 = new Promise(function(resolve, reject) { setTimeout(resolve, 100, 'foo'); }); Promise.all([promise1, promise2, promise3]).then(function(values) { console.log(values); }); // ex... Add solution -
Javascript 2021-11-04 00:08:06
graphql upload express
//resolvers.js export default { Query: { usersActivation() { return 'Hello Wordl' } }, Mutation: { uploadFile: async (parent, { file }) => { const { filename, createReadStream } = await file.promise fileUpload({ filename, stream: cre... Add solution -
Other 2021-09-30 20:43:02
apollo server file upload
//resolvers.js export default { Query: { usersActivation() { return 'Hello Wordl' } }, Mutation: { uploadFile: async (parent, { file }) => { const { filename, createReadStream } = await file.promise fileUpload({ filename, stream: cre... Add solution -
Javascript 2021-09-29 10:23:04
javascript reduce promises
const sum = await [ Promise.resolve(1), Promise.resolve(1), Promise.resolve(1) ].reduce(async (previousPromise, itemPromise) => { const sum = await previousPromise; const item = await itemPromise; return sum + item; }, Promise.resolve(0)) ... Add solution