tsconfig.json

{
    "$schema": "https://json.schemastore.org/tsconfig",
    "display": "Node 18 + Strictest",
    "compilerOptions": {
        "lib": ["es2022"],
        "module": "commonjs",
        "target": "es2022",
        "strict": true,
        "esModuleInterop": true,
        "skipLibCheck": true,
        "forceConsistentCasingInFileNames": true,
        "moduleResolution": "node",
        "allowUnusedLabels": false,
        "allowUnreachableCode": false,
        "exactOptionalPropertyTypes": true,
        "noFallthroughCasesInSwitch": true,
        "noImplicitOverride": true,
        "noImplicitReturns": true,
        "noPropertyAccessFromIndexSignature": true,
        "noUncheckedIndexedAccess": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "checkJs": true,
        "outDir": "./dist",
        "declaration": true,
        "declarationMap": true,
        "types": ["node", "aws-lambda"]
    },
    "include": ["./src", "./fetch.d.ts"]
}