tsconfig.json

{
  // started with this https://github.com/vuejs/tsconfig

  "compilerOptions": {
    "target": "esnext",
    "module": "esnext",
    "lib": ["esnext"],
    "moduleResolution": "bundler",
    "resolveJsonModule": true,
    "allowJs": true,

    // uncomment for node projects
    // "types": ["node"]

    // Required in Vue projects
    "jsx": "preserve",

    // `"noImplicitThis": true` is part of `strict`
    // Added again here in case some users decide to disable `strict`.
    // This enables stricter inference for data properties on `this`.
    "noImplicitThis": true,
    "strict": true,
    "verbatimModuleSyntax": true,

    // Recommended
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "skipLibCheck": true,

    // not needed with unbuild
    "outDir": "dist",
    "declaration": true
    // "declarationDir": "types"
  },
  "include": ["src"]
}