What is babel-plugin-transform-exponentiation-operator?
The babel-plugin-transform-exponentiation-operator package is a Babel plugin that transforms the exponentiation operator (**) in JavaScript into a form that is compatible with older JavaScript environments that do not support this operator natively.
What are babel-plugin-transform-exponentiation-operator's main functionalities?
Transform Exponentiation Operator
This feature allows you to use the exponentiation operator (**) in your code, and the plugin will transform it into a call to Math.pow, which is compatible with older JavaScript environments.
const squared = 2 ** 2; // Transformed to Math.pow(2, 2);
Other packages similar to babel-plugin-transform-exponentiation-operator
babel-plugin-transform-es2015-modules-commonjs
This package transforms ES2015 modules to CommonJS. While it does not specifically handle the exponentiation operator, it is similar in that it transforms newer JavaScript syntax into a form that is compatible with older environments.
babel-plugin-transform-async-to-generator
This package transforms async/await syntax into generator functions. Like babel-plugin-transform-exponentiation-operator, it helps in making modern JavaScript features compatible with older environments.
babel-plugin-transform-object-rest-spread
This package transforms the object rest/spread syntax into a form that is compatible with older JavaScript environments. It is similar in its goal of making modern JavaScript syntax usable in environments that do not support it natively.
babel-plugin-transform-exponentiation-operator
Compile exponentiation operator to ES5
Example
let squared = 2 ** 2;
let cubed = 2 ** 3;
let a = 2;
a **= 2;
let b = 3;
b **= 3;
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