@babel/plugin-transform-numeric-separator
Advanced tools
Remove numeric separators from Decimal, Binary, Hex and Octal literals
The @babel/plugin-transform-numeric-separator package allows developers to use numeric separators in their JavaScript code to improve readability of numeric literals. This plugin transforms these numeric literals with separators into standard numeric literals that can be understood by JavaScript engines that do not support this ES2021 feature.
Transforming large numeric literals
Improves readability of large numeric literals by allowing underscores as separators.
1000000000 // Before transformation
1_000_000_000 // After using @babel/plugin-transform-numeric-separatorSupport for various numeric types
Allows numeric separators in binary, octal, and hexadecimal literals, enhancing clarity in different numeric systems.
0b1010_0101_1001 // binary
0o2_3_5_7 // octal
0xdead_beef // hexadecimalTypeScript, a superset of JavaScript, supports numeric separators directly in the language without needing a transformation plugin. However, TypeScript offers a much broader set of features beyond numeric separators, including type checking and interfaces.
esbuild is a fast JavaScript bundler and minifier that supports transforming modern JavaScript features, including numeric separators, for compatibility with older environments. While it provides similar functionality in terms of numeric separators, esbuild is more focused on bundling and building performance.
Remove numeric separators from Decimal, Binary, Hex and Octal literals
See our website @babel/plugin-transform-numeric-separator for more information.
Using npm:
npm install --save-dev @babel/plugin-transform-numeric-separator
or using yarn:
yarn add @babel/plugin-transform-numeric-separator --dev
v7.25.9 (2024-10-22)
babel-parser, babel-template, babel-types
syntacticPlaceholders mode (@liuxingbaoyu)babel-helper-compilation-targets, babel-preset-env
ClassAccessorProperty to prevent the no-undef rule (@victorenator)babel-parser, babel-types
VISITOR_KEYS etc. faster to access (@liuxingbaoyu)FAQs
Remove numeric separators from Decimal, Binary, Hex and Octal literals
The npm package @babel/plugin-transform-numeric-separator receives a total of 6,323,624 weekly downloads. As such, @babel/plugin-transform-numeric-separator popularity was classified as popular.
We found that @babel/plugin-transform-numeric-separator demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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