tsconfig-lib.json

{
  "compilerOptions": {
    "target": "ESNext",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
    "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
    "module": "NodeNext",                                /* Specify what module code is generated. */
    "rootDir": "./",                                  /* Specify the root folder within your source files. */
    "moduleResolution": "NodeNext",                     /* Specify how TypeScript looks up a file from a given module specifier. */
    "resolveJsonModule": true,                        /* Enable importing .json files. */
    "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
    "outDir": "./build",                                   /* Specify an output folder for all emitted files. */
    "removeComments": true,                           /* Disable emitting comments. */
    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */                /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
    "strict": true,                                      /* Enable all strict type-checking options. */
    "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
    "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
    "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
    "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
    "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  },
  "exclude": ["node_modules","src/tests"]
}