Check that given `name` or `user/repo` exists in npm registry or in github as user repository.

A polyfill for creating CustomEvents on IE9+ if the native implementation is missing.

remark-lint rule to warn when a newline at the end of a file is missing

Returns syntax error while requiring modules under try/catch, which is missing by default

Conditionally run Grunt tasks if the destination is missing.

Lazy require allows you to require modules lazily, meaning that when you lazy require a module that is missing, lazy require will automatically install it for you.

The `themeGet` function is an existential getter function that can be used in any style declaration to get a value from your theme, with support for fallback values. This helps prevent errors from throwing when a theme value is missing, which can be helpf

Checks for missing variants for a specific languageTag. If a variant exists for the sourceLanguageTag but is missing for a listed languageTag, it is likely that the message has not been translated for this languageTag yet.

picgo uploader for gitee with autofillextname if extname of img is missing

Express/connect middleware to handle errors where an expected header is missing

Diagnose a repository, install the quality tooling it is missing, and pin a baseline that can only get better.

Evidence-graph lint contributor for @ttsc/lint: declare provenance with a JSDoc @evidence tag and fail the build when it is missing or dangling.

Catch config drift in CI — fail a deploy if a required env var is missing or wrong.

Score a design system on how well coding agents can use it, then fix what is missing.

fs.unlink() that won't throw if the file is missing + other outcome-aware Node.js fs functions

The AdvGrowlModule is a wrapper around the growl module from PrimeNG. This wrapper was created because PrimeNG is missing some features.

Reads your terms-of-service markdown and names every DSA duty it is missing, by article number.

hl7v2-lint rule to warn when message header segment is missing

hl7v2-lint rule to warn when message header segment is missing

Install the cubil task-management skill into OpenCode, and the cubil binary if it is missing