how to use the tap function from the underscore library in typescript

To use the tap function from the underscore library in Typescript, first, you need to install the underscore library using npm.

npm install underscore

Then you can import the underscore library and use the tap function as shown below:

index.ts
import * as _ from 'underscore';

_.tap(someValue, function(value){
  // do something with the value
});
105 chars
6 lines

The tap function in underscore takes two arguments, the first being the value that you want to tap, and the second being a callback function that will be executed with the tapped value as an argument.

The tap function can be useful when debugging code, as it allows you to inspect the value of a variable at a specific point in your code without affecting the flow of your program.