tsconfig.json

{
  "extends": "./.svelte-kit/tsconfig.json",
  "compilerOptions": {
    "strict": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false,
    "exactOptionalPropertyTypes": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noPropertyAccessFromIndexSignature": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "isolatedModules": true,
    "checkJs": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,
    "resolveJsonModule": true,
    "sourceMap": true,
    "preserveValueImports": false,
    "types": ["@testing-library/jest-dom"]
  },
  "include": ["src/app.d.ts", "src/**/*.d.ts", "src/**/*.ts", "src/**/*.js", "src/**/*.svelte"]
}