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polyfillpolyfill avatar

polyfillpolyfill/polyfill-service

0
View on GitHub↗
7,144 estrellas·671 forks·JavaScript·MIT·2 vistaspolyfill.io↗

Polyfill Service

Polyfill Service is a server that automatically selects and delivers JavaScript polyfills based on the requesting browser's capabilities. It reads the User-Agent header of each request to determine which polyfills are needed, ensuring that only the code required for that specific browser is served.

The service assembles polyfill bundles on the server at request time, generating custom JavaScript payloads per client. It uses runtime feature detection to decide which polyfills to include, avoiding unnecessary code for modern browsers, and sends these bundles as streaming responses for progressive loading. A versioned polyfill repository allows precise matching of polyfill versions to browser requirements.

The project maintains a collection of polyfills that can be conditionally loaded based on browser support, reducing payload size for modern browsers while ensuring compatibility for older ones.

Features

  • Browser Polyfill Servers - Is a server that automatically selects and serves polyfills based on browser capabilities.
  • User-Agent-Based Polyfill Selection - Reads the User-Agent header to select and serve only the polyfills needed for that browser.
  • Runtime Bundling - Ships a server that bundles polyfills at runtime based on feature detection results.
  • Browser-Specific Delivery - Serves browser-specific polyfills by reading the User-Agent header of each request.
  • User-Agent-Tailored Delivery - Automatically serves polyfills tailored to the requesting browser's User-Agent.
  • Conditional Loading - Provides a server that conditionally loads polyfills based on browser feature detection.
  • Server-Side Polyfill Assembly - Provides a server that assembles custom polyfill bundles per request at runtime.
  • UA-Based Polyfill Delivery Services - Delivers targeted JavaScript polyfills by parsing the User-Agent header of each request.
  • Response Streaming - Delivers polyfill bundles as streaming HTTP responses for progressive loading.
  • Versioned Polyfill Repositories - Maintains a versioned repository of polyfills for precise browser-specific delivery.

Historial de estrellas

Gráfico del historial de estrellas de polyfillpolyfill/polyfill-serviceGráfico del historial de estrellas de polyfillpolyfill/polyfill-service

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Preguntas frecuentes

¿Qué hace polyfillpolyfill/polyfill-service?

Polyfill Service is a server that automatically selects and delivers JavaScript polyfills based on the requesting browser's capabilities. It reads the User-Agent header of each request to determine which polyfills are needed, ensuring that only the code required for that specific browser is served.

¿Cuáles son las características principales de polyfillpolyfill/polyfill-service?

Las características principales de polyfillpolyfill/polyfill-service son: Browser Polyfill Servers, User-Agent-Based Polyfill Selection, Runtime Bundling, Browser-Specific Delivery, User-Agent-Tailored Delivery, Conditional Loading, Server-Side Polyfill Assembly, UA-Based Polyfill Delivery Services.

¿Qué alternativas de código abierto existen para polyfillpolyfill/polyfill-service?

Las alternativas de código abierto para polyfillpolyfill/polyfill-service incluyen: remsky/kokoro-fastapi — Kokoro-FastAPI is a text-to-speech API and LLM speech synthesis server that generates spoken audio from text via a… rag-web-ui/rag-web-ui — This project is a web-based platform designed for retrieval-augmented generation, providing a conversational interface… bitinn/node-fetch — node-fetch is a lightweight HTTP client library that implements the browser-standard Fetch API for Node.js. It… barryvdh/laravel-dompdf — This project is a Laravel integration for the Dompdf rendering engine, providing a tool to convert HTML and CSS… chyingp/nodejs-learning-guide — This project is a learning guide and collection of study notes designed to teach Node.js backend development. It… chatgpt-web-dev/chatgpt-web — This project is a self-hosted, web-based interface designed for interacting with large language models. It provides a…

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