@babel/plugin-transform-unicode-escapes

What is @babel/plugin-transform-unicode-escapes?

@babel/plugin-transform-unicode-escapes is a Babel plugin that transforms Unicode escape sequences in JavaScript string literals into their corresponding Unicode characters. This can be useful for improving readability and ensuring compatibility with environments that may not fully support Unicode escape sequences.

What are @babel/plugin-transform-unicode-escapes's main functionalities?

Transform Unicode Escape Sequences

This feature transforms Unicode escape sequences (e.g., \u0041) into their corresponding Unicode characters (e.g., 'A'). This can make the code more readable and easier to understand.

const str = '\u0041\u0042\u0043'; // ABC

Other packages similar to @babel/plugin-transform-unicode-escapes

unicode-escape

The 'unicode-escape' package provides similar functionality by converting Unicode escape sequences into their corresponding characters. However, it is a standalone utility rather than a Babel plugin, which means it needs to be used separately from the Babel transformation pipeline.

README

@babel/plugin-transform-unicode-escapes

Compile ES2015 Unicode escapes to ES5

See our website @babel/plugin-transform-unicode-escapes for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-transform-unicode-escapes

or using yarn:

yarn add @babel/plugin-transform-unicode-escapes --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)