TypeScript

TypeScript Handbook

Total TypeScript tutorials

Installation

Run the following from the root of your course repository:

npm install -D typescript

Then add this file also in the root of your course repository:

tsconfig.json

{
  "compilerOptions": {
    /* Base Options: */
    "esModuleInterop": true,
    "skipLibCheck": true,
    "target": "es2022",
    "allowJs": false,
    "resolveJsonModule": true,
    "moduleDetection": "force",
    "isolatedModules": true,
    "verbatimModuleSyntax": true,
    /* Strictness */
    "strict": true,
    "noUncheckedIndexedAccess": true,
    "noImplicitOverride": true,
    /* If transpiling with TypeScript: */
    "module": "preserve",
    "sourceMap": true,
    /* If your code runs in the DOM: */
    "lib": ["es2022", "dom", "dom.iterable"],
    // for ES modules
    "rewriteRelativeImportExtensions": true,
    "baseUrl": ".", // Base directory for resolving non-relative module names
    "paths": {
      "/*": ["./*"]
    }
  }
}

This is adapted from Matt Pocock's TSConfig cheat sheet.