babel-plugin-transform-exponentiation-operator

babel-plugin-transform-exponentiation-operator

Compile exponentiation operator to ES5

Example

// x ** y

let squared = 2 ** 2;
// same as: 2 * 2

let cubed = 2 ** 3;
// same as: 2 * 2 * 2


// x **= y

let a = 2;
a **= 2;
// same as: a = a * a;

let b = 3;
b **= 3;
// same as: b = b * b * b;

Installation

npm install --save-dev babel-plugin-transform-exponentiation-operator

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["transform-exponentiation-operator"]
}

Via CLI

babel --plugins transform-exponentiation-operator script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["transform-exponentiation-operator"]
});

References

• Proposal: Exponentiation Operator
• Spec: Exponential Operator