![]() export const sleep = (ms: number) => )Ĭonsole. ![]() Yields asynchronously and performs a test on the completion condition at regular intervals till true or timeout. When a timer's function is called varies depending on which method was used to create the timer and what other work the Node.js event loop is doing. Just put the code you want to delay in the callback. This method is sort of similar to a while (!condition) sleep loop, but A timer in Node.js is an internal construct that calls a given function after a certain period of time. One way to delay execution of a function in NodeJS is to use the seTimeout () function. ![]() ![]() When working with async functions or observables provided by 3rd party libraries, for example Cloud firestore, I've found functions the waitFor method shown below (TypeScript, but you get the idea.) to be helpful when you need to wait on some process to complete, but you don't want to have to embed callbacks within callbacks within callbacks nor risk an infinite loop. ![]()
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