React
React uses a custom JavaScript Syntax Extension (JSX) to describe HTML elements and TypeScript for static typing, both of which require a transpiler to convert the code to JavaScript. To …
Let Express.js support TypeScipt
目前有三個ts檔案，分別為custom.d.ts, routes.ts, index.ts 當各別下tsc custom.d.ts, tsc routes.ts, tsc index.ts, 與在資料夾的根目錄下npx tsc的結果不一樣。當各別下時，需在routes.ts的開頭加入/// ，且當下tsc index.ts時會出現錯誤:index.ts:2:8 – error TS1259: Module ‘”/mnt/c/cmder/Project/Book/Node.js/sample-express/node_modules/@types/express/index”‘ can only be default-imported using the ‘esModuleInterop’ flag 2 import express, { …
TypeScript Built-in Types
Primitive JavaScript Types The union Type The array Type The tuple Type The any Type The void Type The object Type Custom Types and interface