import getBranchName, { CurrentGitBranchOptions } from 'current-git-branch'; // test data const emptyOptions: CurrentGitBranchOptions = {}; const filledOptions: CurrentGitBranchOptions = {altPath: '', branchOptions: ''}; // tests getBranchName(); getBranchName(emptyOptions); getBranchName(filledOptions); getBranchName(''); getBranchName(['']);