@babel/plugin-transform-member-expression-literals

What is @babel/plugin-transform-member-expression-literals?

The @babel/plugin-transform-member-expression-literals package is a Babel plugin that transforms member expressions with literal properties into a form that can be more efficiently minimized. This means that it will convert object properties accessed with a literal (e.g., obj['property']) into dot notation (e.g., obj.property), which can be shorter and more optimized in the context of JavaScript code minification.

What are @babel/plugin-transform-member-expression-literals's main functionalities?

Transform member expressions with literal properties to dot notation

This feature automatically converts member expressions that use literal strings for accessing properties into dot notation. This is particularly useful for code minification and optimization.

obj['property'] // Before transformation
obj.property // After transformation

Other packages similar to @babel/plugin-transform-member-expression-literals

@babel/plugin-transform-property-literals

Similar to @babel/plugin-transform-member-expression-literals, this plugin focuses on transforming object properties that are literals into a more minifiable form. However, it specifically targets properties in object definitions rather than member expressions. It's another tool in the Babel ecosystem for optimizing JavaScript code.

uglify-js

While not a Babel plugin, uglify-js is a widely used JavaScript minifier that includes transformations similar to what @babel/plugin-transform-member-expression-literals offers. It can convert member expressions with literal properties into dot notation as part of its minification process, among many other optimizations.

README

@babel/plugin-transform-member-expression-literals

Ensure that reserved words are quoted in property accesses

See our website @babel/plugin-transform-member-expression-literals for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-transform-member-expression-literals

or using yarn:

yarn add @babel/plugin-transform-member-expression-literals --dev