function fetchGitStatus()

in github/changed-files/git-changed-files/src/fetchGitStatus.js [62:117]

• 39 lines of code
• 7 McCabe index (conditional complexity)

function fetchGitStatus(options) {

  return new Promise((resolve, reject) => {

    let {
      baseBranch,
      diffFilter,
      formats,
      showStatus,
      showCommitted,
      showUnCommitted,
      head,
    } = options;

    if (!(showCommitted || showUnCommitted)) {
      return reject(chalk.keyword('orange')('Either showCommitted or showUnCommitted must be true.'));
    }

    let statusCmd = showStatus ? '--name-status' : '--name-only';

    let baseCmd = `git diff --relative ${statusCmd} --diff-filter=${diffFilter}`;

    let commitedCmd = baseCmd.concat(` ${baseBranch}...${head}`);

    let stagedCmd = baseCmd.concat(' --staged');

    let committedFiles, stagedFiles, unStagedFiles;

    let fileList = {};

    process.on('onError', (error) => {
      reject(chalk.red(error));
    });

    try {

      if (showCommitted) {
        committedFiles = findFiles(commitedCmd, formats, showStatus);
        fileList.committedFiles = committedFiles;
      }

      if (showUnCommitted) {
        stagedFiles = findFiles(stagedCmd, formats, showStatus);
        unStagedFiles = findFiles(baseCmd, formats, showStatus);
        fileList.unCommittedFiles = removeDuplicateEntries(stagedFiles, unStagedFiles);
      }

      resolve(fileList);

    } catch(err) {
      reject(chalk.red(err));
    }

  });

}