import * as typeFest from 'type-fest';
import * as normalize from 'normalize-package-data';

export interface Options {
	/**
	Current working directory.

	@default process.cwd()
	*/
	readonly cwd?: string;

	/**
	[Normalize](https://github.com/npm/normalize-package-data#what-normalization-currently-entails) the package data.

	@default true
	*/
	readonly normalize?: boolean;
}

export interface NormalizeOptions extends Options {
	readonly normalize?: true;
}

export type NormalizedPackageJson = PackageJson & normalize.Package;
export type PackageJson = typeFest.PackageJson;

/**
@returns The parsed JSON.

@example
```
import {readPackageAsync} from 'read-pkg';

console.log(await readPackageAsync());
//=> {name: 'read-pkg', …}

console.log(await readPackageAsync({cwd: 'some-other-directory'});
//=> {name: 'unicorn', …}
```
*/
export function readPackageAsync(options?: NormalizeOptions): Promise<NormalizedPackageJson>;
export function readPackageAsync(options: Options): Promise<PackageJson>;

/**
@returns The parsed JSON.

@example
```
import {readPackageSync} from 'read-pkg';

console.log(readPackageSync());
//=> {name: 'read-pkg', …}

console.log(readPackageSync({cwd: 'some-other-directory'});
//=> {name: 'unicorn', …}
```
*/
export function readPackageSync(options?: NormalizeOptions): NormalizedPackageJson;
export function readPackageSync(options: Options): PackageJson;