how to use the before function from the lodash library in typescript

To use the before function from the lodash library in TypeScript, first make sure you have installed the @types/lodash dependency, either via npm or yarn.

Then, you can import the before function and use it in your code like this:

index.ts
import { before } from 'lodash';

function handler() {
  console.log('Function called too many times!');
}

const limit = 2;
const throttledHandler = before(limit, handler);

throttledHandler(); // logs "Function called too many times!"
throttledHandler(); // logs "Function called too many times!"
throttledHandler(); // nothing happens
338 chars
13 lines

In this example, we use the before function to create a new, throttled version of the handler function which will only be called a maximum of limit times (2 in this case) before it stops doing anything.

Note that before is a higher-order function, meaning that it returns a new function that you can call later on. The first argument is the maximum number of times the returned function can be called, and the second argument is the function itself.

Make sure to check the @types/lodash type definition file (usually located in node_modules/@types/lodash/index.d.ts) for more information on how to use the before function in TypeScript.

gistlibby LogSnag