tsconfig.json

{
  "extends": "@tsconfig/svelte/tsconfig.json",
  "include": ["src/**/*"],
  "exclude": [
    "node_modules/*",
    "__sapper__/*",
    "public/*",
    "webpack.config.ts"
  ],
  "compilerOptions": {
    "module": "ES2020",
    "moduleResolution": "node",
    "target": "es2020",
    "resolveJsonModule": true,
    "importsNotUsedAsValues": "remove",
    "isolatedModules": true,
    "esModuleInterop": true,
    "sourceMap": true,
    "strict": true,
    "baseUrl": ".",
    "paths": {
      "src/*": ["src/*"]
    },
    "types": [
      "svelte",
      "svelte/store",
      "svelte/motion",
      "svelte/transition",
      "svelte/animate",
      "svelte/easing"
    ]
  },

  // Fixes errors when changing `module` to ES in the above compiler options
  // See: https://github.com/webpack/webpack-cli/issues/2458#issuecomment-846635277
  "ts-node": {
    "compilerOptions": {
      "module": "commonjs"
    }
  }
}