polyfill packages

A small polyfill for Object.setprototypeof

A robust polyfill for the `CSS.escape` utility method as defined in CSSOM.

HTML5 `FormData` for Browsers and Node.

ES2015-compliant shim for Object.is - differentiates between -0 and +0

Symfony polyfill backporting some PHP 8.4+ features to lower PHP versions

Symfony polyfill backporting some PHP 8.5+ features to lower PHP versions

Symfony polyfill backporting some PHP 8.3+ features to lower PHP versions

ES6 spec-compliant RegExp.prototype.flags shim.

Polyfills for React Native.

Node.js path.parse() ponyfill

Symfony polyfill backporting some PHP 8.6+ features to lower PHP versions

Performance timer based on performance.mark() and measure()

Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.