tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "ESNext",
    "strict": true,
    "jsx": "preserve",
    "importHelpers": true,
    "moduleResolution": "node",
    "experimentalDecorators": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "noImplicitAny": true,
    "sourceMap": true,
    "outDir": "dist",
    "baseUrl": ".",
    "resolveJsonModule": true,
    "declaration": true,
    "types": [
      "proj4",
      "geojson",
      "jest",
      "node"
    ],
    "typeRoots": [ 
      "./node_modules/@types",
      "./types"
    ],
    "paths": {
      "@/*": [
        "src/*"
      ]
    },
    "lib": [
      "esnext",
      "dom",
      "dom.iterable",
      "scripthost"
    ]
  },
  "include": [
    "src/**/*.ts",
    "src/**/*.tsx",
    "test/**/*.ts",
    "test/**/*.tsx"
  ],
  "exclude": [
    "node_modules"
  ]
}