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babel-plugin-transform-function-bind

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babel-plugin-transform-function-bind

Compile function bind operator to ES5

  • 6.22.0
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What is babel-plugin-transform-function-bind?

The babel-plugin-transform-function-bind package is a Babel plugin that allows you to use the bind operator (::) in your JavaScript code. This operator provides a shorthand for binding functions to a specific context, making your code more concise and readable.

What are babel-plugin-transform-function-bind's main functionalities?

Function Binding

This feature allows you to bind a function to a specific context using the :: operator. In the example, the greet function is bound to the obj context, ensuring that this.name refers to 'Alice' when the function is called.

const obj = {
  name: 'Alice',
  greet() {
    console.log(`Hello, ${this.name}!`);
  }
};

const greet = obj::obj.greet;
greet(); // Output: Hello, Alice!

Method Extraction

This feature allows you to extract a method from an object and bind it to a different context. In the example, the greet method is extracted from obj and then called with a different context, resulting in 'Hello, Charlie!'.

const obj = {
  name: 'Bob',
  greet() {
    console.log(`Hello, ${this.name}!`);
  }
};

const greet = ::obj.greet;
greet.call({ name: 'Charlie' }); // Output: Hello, Charlie!

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Package last updated on 20 Jan 2017

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