tsconfig.base.json

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig to read more about this file */

    /* JavaScript Support */
    "allowJs": true /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */,
    "checkJs": true /* Enable error reporting in type-checked JavaScript files. */,

    /* Emit */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "declarationMap": true /* Create sourcemaps for d.ts files. */,
    "sourceMap": true /* Create source map files for emitted JavaScript files. */,

    /* Interop Constraints */
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,

    /* Type Checking */
    "strict": true /* Enable all strict type-checking options. */,

    /* Completeness */
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  }
}