Compile exponentiation operator to ES5
// 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;
npm install --save-dev babel-plugin-transform-exponentiation-operator
.babelrc
(Recommended).babelrc
{ "plugins": ["transform-exponentiation-operator"] }
babel --plugins transform-exponentiation-operator script.js
require("babel-core").transform("code", { plugins: ["transform-exponentiation-operator"] });
© 2018 Sebastian McKenzie
Licensed under the MIT License.
http://babeljs.io/docs/plugins/transform-exponentiation-operator/