@babel/plugin-transform-exponentiation-operator

What is @babel/plugin-transform-exponentiation-operator?

The @babel/plugin-transform-exponentiation-operator package is a plugin for Babel, a JavaScript compiler, that allows developers to use the exponentiation operator (**) in their JavaScript code. This operator is used to raise the first operand to the power of the second operand. The plugin transforms this syntax into a format that is compatible with environments that do not support the exponentiation operator natively.

What are @babel/plugin-transform-exponentiation-operator's main functionalities?

Exponentiation Operator Transformation

This feature allows developers to write code using the exponentiation operator (**) for performing exponentiation operations. The plugin then transforms this syntax into a call to Math.pow, ensuring compatibility with older JavaScript environments.

"use strict";\n\nvar _Mathpow = Math.pow;\n\nvar a = 2;\nvar b = 3;\nvar c = _Mathpow(a, b); // Transforms a ** b into Math.pow(a, b)

Other packages similar to @babel/plugin-transform-exponentiation-operator

@babel/plugin-transform-arrow-functions

Similar to @babel/plugin-transform-exponentiation-operator, this package transforms modern JavaScript syntax (arrow functions in this case) into a form that is compatible with older JavaScript environments. While it focuses on arrow functions instead of the exponentiation operator, the goal of ensuring code compatibility across different environments is shared.

@babel/plugin-transform-template-literals

This package transforms template literals into a string concatenation format, ensuring compatibility with environments that do not support template literals. Like @babel/plugin-transform-exponentiation-operator, it aims to make modern JavaScript syntax accessible in older environments, though it focuses on template literals instead of exponentiation.

README

@babel/plugin-transform-exponentiation-operator

Compile exponentiation operator to ES5

See our website @babel/plugin-transform-exponentiation-operator for more information.

Install

Using npm:

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

or using yarn:

yarn add @babel/plugin-transform-exponentiation-operator --dev

Changelog

v7.26.3 (2024-12-04)

:bug: Bug Fix

• babel-generator
  • #16958 [preserveFormat] force semicolons when invalidating ASI (@nicolo-ribaudo)

:house: Internal

• babel-helper-builder-binary-assignment-operator-visitor, babel-plugin-transform-exponentiation-operator
  • #16895 Remove helper-builder-binary-assignment-operator-visitor (@nicolo-ribaudo)

:running_woman: Performance

• babel-generator
  • #16959 perf: Reduce the use of temporary objects (@liuxingbaoyu)
• babel-traverse
  • #16923 perf: Improve scope information collection performance (@liuxingbaoyu)
  • #16964 perf: Avoid repeated traversal when creating scope (@liuxingbaoyu)
• babel-plugin-transform-modules-commonjs
  • #16954 perf: Remove use of simplifyAccess (@liuxingbaoyu)