**xCaseInsensitiveMap** is a TypeScript class that provides a map implementation supporting case-insensitive keys. It allows you to store key-value pairs where the keys are treated as case-insensitive. This is achieved by generating permutations of the ke

string.replace. collapses www., www1., etc subdomains from pathnames. for standardization, if /www[0-9]?/ and bare domains exist together and need to be treated as the same.

Get the visual width of a string - the number of columns required to display it

Less strict version of micromark-extension-mdx-jsx.

Dependency-free RFC 3986 URI toolbox

An arbitrary length integer library for Javascript

Scans repos and logs for provider-encrypted LLM reasoning-trace blocks (Anthropic/OpenAI/Google) that get logged as if they were harmless ciphertext but should be treated as secrets.

Hexo tag to embed html5 video into a post, but treated as GIF

Determines if P1Event request should be treated as a bot.

Remap sequential sourcemaps through transformations to point at the original source code

An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.

Elegant terminal spinner

Dentdoche is a Lisp interpreter in node.js that abstracts away the difficulties of asynchronous programming so that functions calling callbacks can be treated as regular functions returning values.

A markdown-it plugin to allow vue components in markdown

Haraka plugin that checks that the domain used in MAIL FROM is resolvable to an MX record

Highlight differences between two DOM trees.

Patch the Claude Code CLI so your CLAUDE.md and provided context are always treated as relevant, and keep it patched across auto-updates.

Join paths and globs.

Use an objects own property, or an environment variable. Optionally treat as a boolean if the env should be set to 1 or 0.

Recursively mkdir, like `mkdir -p`