tsconfig.svelte.json

{
  "extends": "@tsconfig/svelte/tsconfig.json",
  "compilerOptions": {
    "target": "esnext",
    "outDir": "build",
    "module": "esnext",
    "preserveValueImports": true,
    "noUnusedLocals": true /* Report errors on unused locals. */,
    "noUnusedParameters": true /* Report errors on unused parameters. */,
    "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
    "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
    "traceResolution": false /* Report module resolution log messages. */,
    "listEmittedFiles": false /* Print names of generated files part of the compilation. */,
    "listFiles": false /* Print names of files part of the compilation. */,
    "pretty": true /* Stylize errors and messages using color and context. */,
    "allowJs": true,
    "lib": ["es2019"],
    "types": ["node", "svelte"],
    "typeRoots": ["node_modules/@types", "src/types"],
    "preserveWatchOutput": true
  },
  "include": ["./src/**/*.svelte"],
  "exclude": ["node_modules/**", "build"]
}