tsconfig.json

{
  "include": ["src/**/*"],
  "exclude": ["node_modules/*", "__sapper__/*", "public/*"],
  "compilerOptions": {
    "target": "ESNEXT",
    "lib": ["ESNEXT", "dom"],
    "module": "ESNEXT",
    "moduleResolution": "node",

    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "strict": true,
    "forceConsistentCasingInFileNames": true,
    
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "strictNullChecks": true,
    "typeRoots": ["src/types", "./node_modules/@types", "./node_modules/svelte/types"],
  }
}