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urlpattern-polyfill

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urlpattern-polyfill

Polyfill for the URLPattern API


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7.8M
decreased by-19.42%
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3
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What is urlpattern-polyfill?

The urlpattern-polyfill npm package provides a polyfill for the URLPattern API, which is a web standard for parsing and matching URLs against patterns. It is useful for routing in web applications, validating URLs, and extracting parts of URLs based on a predefined pattern.

What are urlpattern-polyfill's main functionalities?

Parsing and matching URLs

This feature allows you to define a URL pattern and then match URLs against it. If the URL matches, you can extract parts of it, such as path segments or query parameters.

const pattern = new URLPattern({ pathname: '/books/:id' });
const result = pattern.exec('/books/123');
console.log(result.pathname.groups.id); // '123'

Pattern matching with wildcards and modifiers

This feature enables the use of wildcards (*) and other modifiers to create flexible URL patterns that can match a variety of URL structures.

const pattern = new URLPattern({ pathname: '/books/*' });
const isMatch = pattern.test('/books/sci-fi');
console.log(isMatch); // true

Compatibility with the URLPattern API

The polyfill aims to be compatible with the URLPattern API, providing the same methods and properties that would be available in environments where the API is natively supported.

const pattern = new URLPattern('https://example.com/books/:id');
const isCompatible = 'exec' in pattern && 'test' in pattern;
console.log(isCompatible); // true

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Package last updated on 23 Jan 2024

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