tsconfig.json

{
    "compilerOptions": {
        "moduleResolution": "node",
        "target": "es2019",
        /**
            svelte-preprocess cannot figure out whether you have a value or a type, so tell TypeScript
            to enforce using `import type` instead of `import` for Types.
            */
        "importsNotUsedAsValues": "error",
        "isolatedModules": true,
        /**
            To have warnings/errors of the Svelte compiler at the correct position,
            enable source maps by default.
            */
        "sourceMap": true,
        "esModuleInterop": true,
        "skipLibCheck": true,
        "forceConsistentCasingInFileNames": true,
        "baseUrl": ".",
        "paths": {
            "$components/*": ["./src/components/*"]
        }
    },
    "include": ["src/**/*"],
    "exclude": ["node_modules/*", ".svelte"]
}