tsconfig.json

{
  "compilerOptions": {
    "target": "es5",                                /* 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'. */
    "outDir": "./dist",                              /* Redirect output structure to the directory. */
    "removeComments": true,                      /* Do not emit comments to output. */
    "strict": true,                                 /* Enable all strict type-checking options. */
    "noImplicitAny": true,                       /* Raise error on expressions and declarations with an implied 'any' type. */
    "strictNullChecks": true,                    /* Enable strict null checks. */
    "strictFunctionTypes": true,                 /* Enable strict checking of function types. */
    "strictBindCallApply": true,                 /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
    "strictPropertyInitialization": true,        /* Enable strict checking of property initialization in classes. */
    "noImplicitThis": true,                      /* Raise error on 'this' expressions with an implied 'any' type. */
    "alwaysStrict": true,                        /* Parse in strict mode and emit "use strict" for each source file. */
    "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 */
    "noPropertyAccessFromIndexSignature": true,  /* Require undeclared properties from index signatures to use element accesses. */
    "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "skipLibCheck": true,                           /* Skip type checking of declaration files. */
    "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
  }
}