obtain-package-manager/dist/index.d.ts

obtain which package manager you're using (yarn or npm)

declare type PM = 'npm' | 'yarn' | 'pnpm';
declare function getPackManagerVersion(pm?: PM): Promise<string>;
declare function clearCache(cache: Map<any, any>): void;

declare const getPackageManager: ({ cwd }?: {
    cwd?: string | undefined;
}) => Promise<PM>;

export { clearCache, getPackManagerVersion, getPackageManager };