tsconfig.json

{
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "declaration": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "importHelpers": true,
    "noEmitHelpers": true,
    "jsx": "react",
    "lib": ["dom", "dom.iterable", "esnext"],
    "module": "commonjs",
    "moduleResolution": "node",
    "newLine": "LF",
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "outDir": "dist",
    "resolveJsonModule": false,
    "skipLibCheck": true,
    "target": "es2015"
  },
  "include": ["src/index.ts", "src/ThemeContext.tsx"]
}