Why TypeScript

• It's beneficial to make JavaScript typed, we will have less bugs and better dev experience
• TypeScript is winning among various solutions for typed JS

Prerequisites

What we already have

• Typings are generally available for poi's (dev-)dependencies
• Typings for kancolle API is roughly generated: kcsapi.ts
• TypeScript support is available in Babel (except for some features though)
• Linter support is ready

Roadmap

We plan to do some refactorings along with TypeScript migration include:

• Use as least as possible API from window, instead we'll provide a unique interface for plugins
• Redux actions will be FSA, and redux toolkit will be used to type the states