[Gulp plugin] Conditional task with "if" callback and "else" callback (optional): gulp.src(source).pipe( ifElse(condition, ifCallback, elseCallback) )

An alert to notify users about an error or something else.

Webpack loader that allows JavaScript or TypeScript conditional compilation (`#if ... #elif ... #else ... #endif`) directly from Webpack.

TKO conditional (if/ifnot/unless/with/else) bindings

SolidJS utility that prevents scrolling outside of a given DOM element. Works by preventing events that else would lead to scrolling.

Else SDK for dynamic bundle loading in web applications

The custom `sort` method (mobile-first / desktop-first) of CSS media queries for `postcss-sort-media-queries`, `css-mqpacker` or `pleeease` (which uses css-mqpacker) or, perhaps, something else ))

Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container

else/elseif for Knockout

Oxlint JS plugin that bans switch statements and else branches to encourage early returns and strategy/map dispatch.

Exports native Promises if available, else lie

if the promise resolves, reject, else resolve

PostCss plugin to use CSS Custom Properties in at-rule @each, @for, @if, @else

if/elif/else directives for AngularJS

A hyperlink to web pages, email addresses, or anything else a URL can address

A slider component to compare any two React components in landscape or portrait orientation. It supports custom images, videos... and everything else.

A terminating Apollo Link for Apollo Client that fetches a GraphQL multipart request if the GraphQL variables contain files (by default FileList, File, or Blob instances), or else fetches a regular GraphQL POST or GET request (depending on the config and

simple robust web-components for use with tosijs or anything else

Cutie extension for work with if-else statements.

Solve a system of linear equations. Invert a matrix. Nothing else