🔰TypeScript

📘 手冊

• 📘 TypeScript Handbook

📗 書

• Essential TypeScript 4 (2021)

• TypeScript in 50 Lessons (2020)

🛠 工具

• TypeScript Playground

設定 TypeScript 編輯環境

// 1. install Node.js & check
node --version        // 14.15.4 (as of 2021)

// 2. install npm (along with Node.js) & check
npm --version         // 6.14.10

// 3. install Git (optional) & check
git --version         // 2.30.0

// 4. install TypeScript & check
npm install --global typescript@4.2.2
tsc --version         // 4.2.2

設定 TypeScript Compiler

📗 參考

• compiler flag: noImplicitAny, strictNullCheck

// when type not specified, compiler will default to `any`.
noImplicitAny = on

// check null or undefined
strictNullChecks = on