Time zone support for date-fns v3 with the Intl API

option parsing and help generation

HTTP request logger middleware for node.js

A moment.js plugin for formatting durations.

Reads and writes Lingui message catalogs as JSON, either minimal key-value files or files with full message metadata

Transform web logs (common log format) to JSON

PHC string format serializer/deserializer

Winston@3 console formatter for debugging purposes using util.inspect().

A string manipulation toolbox, featuring a string formatter (inspired by sprintf), a variable inspector (output featuring ANSI colors and HTML) and various escape functions (shell argument, regexp, html, etc).

printf, sprintf, and vsprintf for JavaScript

Pure-JS printf

Throw better errors.

The simplest, most intuitive date and time library

Tiny millisecond conversion utility

sprintf parser and basic formatter

Node wrapper for clang-format native binary inspired by angular/clang-format.🐉

A fully typed TypeScript and Node.js implementation of PostgreSQL format() to safely create dynamic SQL queries. SQL identifiers and literals are escaped to help prevent SQL injection.

A debug logger package for other Google libraries

Module to help building SARIF log files

A simple string template function based on named or indexed arguments