tsconfig.json

{
    "compilerOptions": {
        "baseUrl": "./",
        "paths": {
            "react-themeui": ["./src/index"]
        },
        "allowUnreachableCode": false,
        "allowUnusedLabels": false,
        "esModuleInterop": true,
        "importsNotUsedAsValues": "error",
        "forceConsistentCasingInFileNames": true,
        "jsx": "react",
        "lib": ["esnext"],
        "module": "esnext",
        "moduleResolution": "node",
        "noFallthroughCasesInSwitch": true,
        "noImplicitReturns": true,
        "noImplicitUseStrict": false,
        "noStrictGenericChecks": false,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "resolveJsonModule": true,
        "skipLibCheck": true,
        "strict": true,
        "removeComments": true /* Do not emit comments to output. */,
        "rootDir": "./src" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
        "outDir": "./dist" /* Redirect output structure to the directory. */,
        "declaration": true /* Generates corresponding '.d.ts' file. */,
        "target": "esnext"
    }
}