babel-plugin-transform-remove-debugger

What is babel-plugin-transform-remove-debugger?

The babel-plugin-transform-remove-debugger npm package is a Babel plugin that removes all debugger statements from your JavaScript code. This is particularly useful for production builds where you want to ensure that no debugging code is left in the final output.

What are babel-plugin-transform-remove-debugger's main functionalities?

Remove debugger statements

This feature removes all debugger statements from the input JavaScript code. In the provided code sample, the debugger statement inside the test function is removed, leaving only the console.log statement.

const code = `function test() { debugger; console.log('test'); }`;
const output = Babel.transform(code, { plugins: ['transform-remove-debugger'] }).code;
console.log(output); // function test() { console.log('test'); }

Other packages similar to babel-plugin-transform-remove-debugger

babel-plugin-transform-remove-console

The babel-plugin-transform-remove-console package removes all console.* statements from your JavaScript code. This is similar to babel-plugin-transform-remove-debugger but focuses on removing console statements instead of debugger statements.

babel-plugin-minify-dead-code-elimination

The babel-plugin-minify-dead-code-elimination package removes dead code from your JavaScript files. While it does not specifically target debugger statements, it can remove unreachable code, which may include debugger statements if they are part of dead code.

babel-plugin-transform-remove-undefined

The babel-plugin-transform-remove-undefined package removes undefined variables and expressions from your JavaScript code. This is another form of code cleanup, similar to removing debugger statements, but it focuses on undefined values.

README

babel-plugin-transform-remove-debugger

This plugin removes all debugger; statements.

Example

In

debugger;

Out

Installation

npm install babel-plugin-transform-remove-debugger --save-dev

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["transform-remove-debugger"]
}

Via CLI

babel --plugins transform-remove-debugger script.js

Via Node API

require("@babel/core").transform("code", {
  plugins: ["transform-remove-debugger"]
});