tsconfig.base.json

{
  "compilerOptions": {
    "target": "es2020",                             /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
    "module": "commonjs",                           /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
    "lib": ["es2020"],                              /* Specify library files to be included in the compilation. */
    "declaration": true,                            /* Generates corresponding '.d.ts' file. */
    "declarationMap": true,                         /* Generates a sourcemap for each corresponding '.d.ts' file. */
    "sourceMap": true,                              /* Generates corresponding '.map' file. */
    "composite": true,                              /* Enable project compilation */
    "strict": true,                                 /* Enable all strict type-checking options. */
    "noUnusedLocals": true,                         /* Report errors on unused locals. */
    "noUnusedParameters": true,                     /* Report errors on unused parameters. */
    "noImplicitReturns": true,                      /* Report error when not all code paths in function return a value. */
    "noFallthroughCasesInSwitch": true,             /* Report errors for fallthrough cases in switch statement. */
    "noUncheckedIndexedAccess": true,               /* Include 'undefined' in index signature results */
    "importsNotUsedAsValues": "error",
    "moduleResolution": "node",                     /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "types": ["jest", "node"],                      /* Type declaration files to be included in compilation. */
    "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "forceConsistentCasingInFileNames": true,       /* Disallow inconsistently-cased references to the same file. */
    "resolveJsonModule": true
  }
}