tsconfig.json

{
  "compilerOptions": {
    "target": "es2017",                                     /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "module": "esnext",                                     /* Specify what module code is generated. */
    "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
    "resolveJsonModule": true,                        /* Enable importing .json files */
    "outDir": "./build",                                   /* Specify an output folder for all emitted files. */
    "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
    "declaration": true,
    "strict": false,                                      /* Enable all strict type-checking options. */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  }
}