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

To use the bindAll() function from the Underscore.js library in a TypeScript project, you first need to install the Underscore.js library:

npm install underscore
23 chars
2 lines

Then, you can import the bindAll function from the Underscore.js library:

index.ts
import { bindAll } from 'underscore';
38 chars
2 lines

The bindAll() function takes an object and any number of method names as arguments. The function binds the methods to the object, so that their this value is set to the object.

Here's an example of using the bindAll() function in a TypeScript class:

index.ts
import { bindAll } from 'underscore';

class Foo {
  private name: string;

  constructor(name: string) {
    this.name = name;
    bindAll(this, 'sayHello');
  }

  public sayHello() {
    console.log(`Hello, my name is ${this.name}`);
  }
}

const foo = new Foo('Bob');
foo.sayHello(); // logs "Hello, my name is Bob"
320 chars
18 lines

In the example above, the bindAll() function is used to bind the sayHello() method to the Foo object, so that it can access the name property.

Overall, Underscore.js is a great library for functional programming, and the bindAll() function can be very useful for binding object methods to their instance.