babel-plugin-minify-flip-comparisons

What is babel-plugin-minify-flip-comparisons?

The babel-plugin-minify-flip-comparisons package is a Babel plugin that optimizes comparison expressions by flipping them to a canonical form. This can help in reducing the size of the code and potentially improve performance by standardizing the comparison operations.

What are babel-plugin-minify-flip-comparisons's main functionalities?

Flip Comparison Operators

This feature flips comparison operators to their canonical form. For example, it will transform `a < b` to `b > a`. This can help in reducing the size of the code and making it more consistent.

const a = 5;
const b = 10;
if (a < b) {
  console.log('a is less than b');
}

Other packages similar to babel-plugin-minify-flip-comparisons

babel-plugin-minify-simplify

The babel-plugin-minify-simplify package is another Babel plugin that focuses on simplifying expressions and statements. It performs various optimizations like removing unreachable code, simplifying boolean expressions, and more. Unlike babel-plugin-minify-flip-comparisons, it covers a broader range of code simplifications.

README

babel-plugin-minify-flip-comparisons

Note: while this plugin doesn’t shorten the output in any way, it does optimize it for repetition-based compression algorithms such as gzip.

Example

In

const foo = a === 1;
if (bar !== null) {
  var baz = 0;
}

Out

const foo = 1 === a;
if (null !== bar) {
  var baz = 0;
}

Installation

npm install babel-plugin-minify-flip-comparisons

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["minify-flip-comparisons"]
}

Via CLI

babel --plugins minify-flip-comparisons script.js

Via Node API

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