@babel/plugin-transform-function-name

What is @babel/plugin-transform-function-name?

The @babel/plugin-transform-function-name package is a plugin for Babel, a JavaScript compiler, that helps in transforming anonymous function expressions into named function expressions. This can be particularly useful for debugging purposes, as it makes stack traces more informative by providing names for otherwise anonymous functions.

What are @babel/plugin-transform-function-name's main functionalities?

Naming anonymous function expressions

Automatically assigns names to anonymous function expressions, making them easier to identify in stack traces and debugging tools.

const square = function(x) { return x * x; }; // Transforms to: const square = function square(x) { return x * x; };

Enhancing debugging

Improves the debugging experience by ensuring that functions are named, which helps in identifying them in call stacks.

let add = function(a, b) { return a + b; }; // Transforms to: let add = function add(a, b) { return a + b; };

Other packages similar to @babel/plugin-transform-function-name

@babel/plugin-transform-arrow-functions

Transforms ES2015 arrow functions into function expressions. Similar in that it transforms function syntax for broader compatibility and improved debugging, but focuses on arrow functions instead of naming functions.

@babel/plugin-transform-parameters

Transforms default parameters and rest parameters in functions to ES5. It's similar because it also deals with transforming aspects of functions for compatibility and optimization, but it focuses on parameters rather than naming.

README

@babel/plugin-transform-function-name

Apply ES2015 function.name semantics to all functions

See our website @babel/plugin-transform-function-name for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-transform-function-name

or using yarn:

yarn add @babel/plugin-transform-function-name --dev

Changelog

v7.25.9 (2024-10-22)

:bug: Bug Fix

• babel-parser, babel-template, babel-types
  • #16905 fix: Keep type annotations in syntacticPlaceholders mode (@liuxingbaoyu)
• babel-helper-compilation-targets, babel-preset-env
  • #16907 fix: support BROWSERSLIST{,_CONFIG} env (@JLHwung)
• Other
  • #16884 Analyze ClassAccessorProperty to prevent the no-undef rule (@victorenator)

:house: Internal

• babel-helper-transform-fixture-test-runner
  • #16914 remove test options flaky (@JLHwung)

:running_woman: Performance

• babel-parser, babel-types
  • #16918 perf: Make VISITOR_KEYS etc. faster to access (@liuxingbaoyu)