tsconfig.json

{
  "include": ["src/**/*"],
  // "exclude": ["node_modules/*"],
  "compilerOptions": {
    "target": "ES2015",
    "module": "esnext",
    "removeComments": true,
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictBindCallApply": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "baseUrl": "./src",
    "paths": {
      "~/*": ["./*"],
      "types": ["svelte"],
    },
    "typeRoots": [                            /* List of folders to include type definitions from. */
      // "src/@types",
      "node_modules/@types/jest",
      "node_modules/svelte/types"
    ],
    "types": [
      "@types/jest",
      "svelte",
      "@types/testing-library__jest-dom"
    ],
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "esModuleInterop": true,
  }
}