Self-host the LINE Seed JP font in a neatly bundled NPM package.
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日文五十音轉換表
Self-host the IBM Plex Sans JP font in a neatly bundled NPM package.
Japanese calendar format for dayjs.
SpreadJS ja-jp resources
Yakumono-Hankaku Fonts
Gen Interface JP web font subsets
day.js plugin for japanese calendar
A Complete Microsoft Excel-like JavaScript Spreadsheet for Enterprise Applications
Learn JavaScript by adventuring around in the terminal.
shadcn/ui + Tailwind CSS v4 ベースの UI コンポーネントライブラリ。
郵便番号を住所に変換するReactカスタムフックです。住所データを内部に持たず、APIで住所変換するため軽量なパッケージになっています。
Parse JSON on the commandline
infragistics theme for typedoc API documentation with versioning and localization
Utility library dealing with prefectures and regions in Japan.
This library provides the functionality of PBKDF2 with the ability to use any supported hashing algorithm returned from crypto.getHashes()
Query json with jsonpath expressions
Waiter Factory Library for Javascript
Japan Postal Zip Code Lookup
Stroke ending (tome / hane / harai) and stroke grouping data, plus CLI tools, for @k1low/kakitori
日本の官公需入札情報をMCPで検索・分析。Japan government procurement bid search and AI analysis through the Model Context Protocol.
Generic Node.js kernel for the Jupyter notebook
[デジタル庁 デザインシステム（Figma）](https://www.figma.com/community/file/1255349027535859598)のデザイントークン。