@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

v7.25.7 (2024-10-02)

:bug: Bug Fix

• babel-helper-validator-identifier
  • #16825 fix: update identifier to unicode 16 (@JLHwung)
• babel-traverse
  • #16814 fix: issue with node path keys updated on unrelated paths (@DylanPiercey)
• babel-plugin-transform-classes
  • #16797 Use an inclusion rather than exclusion list for super() check (@nicolo-ribaudo)
• babel-generator
  • #16788 Fix printing of TS infer in compact mode (@nicolo-ribaudo)
  • #16785 Print TS type annotations for destructuring in assignment pattern (@nicolo-ribaudo)
  • #16778 Respect [no LineTerminator here] after nodes (@nicolo-ribaudo)

:nail_care: Polish

• babel-types
  • #16852 Add deprecated JSDOC for fields (@liuxingbaoyu)

:house: Internal

• babel-core
  • #16820 Allow sync loading of ESM when --experimental-require-module (@nicolo-ribaudo)
• babel-helper-compilation-targets, babel-helper-plugin-utils, babel-preset-env
  • #16858 Add browserslist config to external dependency (@JLHwung)
• babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decimal, babel-plugin-syntax-import-reflection, babel-standalone
  • #16809 Archive syntax-import-reflection and syntax-decimal (@nicolo-ribaudo)
• babel-generator
  • #16779 Simplify logic for [no LineTerminator here] before nodes (@nicolo-ribaudo)

:running_woman: Performance

• babel-plugin-transform-typescript
  • #16875 perf: Avoid extra cloning of namespaces (@liuxingbaoyu)
• babel-types
  • #16842 perf: Improve @babel/types builders (@liuxingbaoyu)
  • #16828 Only access BABEL_TYPES_8_BREAKING at startup (@nicolo-ribaudo)