Search npm for packages to use with Deno

Colored symbols for various log levels. Example: `✔︎ Success`

Unicode symbols with fallbacks for older terminals

dotenv... but with defaults!

DOMParser.parseFromString for XML with IE8 fallback

Get the user home directory with fallback to the system temp directory

Pusher Channels JavaScript library for browsers, React Native, NodeJS and web workers

Generate fallback values for content with alt text

Cross platform environment variables with process.env, window.name, location.hash and localStorage fallbacks

A resilience and transient-fault-handling library that allows developers to express policies such as Backoff, Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. Inspired by .NET Polly.

Command-line http server with gzipping and fallback support

Simple fallback for Express-served single page apps that use the HTML5 History API for client side routing.

React Image is an <img> tag replacement for react, featuring preloader and multiple image fallback support

PostCSS plugin to insert 3D hack before will-change property

Instantly detect support for WEBP images in the browser in 0.2KB

A library to easily scrape metadata from an article on the web using Open Graph, JSON+LD, regular HTML metadata, and series of fallbacks.

if your image doesn't exist, fallback onto another provided image.

Sass function and mixin to use rem units with optional pixel fallback.

Tiny Web Share API Wrapper with fallback for unsupported browsers

Wrap and validate optional values

Use the opacity property in older Internet Explorer