function htmlDetail()

in gulpfile.js [734:792]
40 lines of code
10 McCabe index (conditional complexity)

function htmlDetail () {
  return gulp.src('./tmp/data/datasets/*.json')
    .pipe(flatmap(function (stream, file) {
      var templateData = JSON.parse(file.contents.toString('utf8'));

      // If we have no DataAtWork, remove it
      if (!templateData.DataAtWork || (templateData.DataAtWork && _.compact(_.flatMap(templateData.DataAtWork)).length === 0)) {
        delete templateData.DataAtWork;
      }

      // Sort DataAtWork entries by alpha and handle naming
      if (templateData.DataAtWork) {
        sortDataAtWork(templateData.DataAtWork);

        // Handle pretty name for data at work field
        if (templateData.DataAtWork['Tools & Applications']) {
          templateData.DataAtWork.Tools = templateData.DataAtWork['Tools & Applications'];
          delete templateData.DataAtWork['Tools & Applications'];
        }
      }

      // Sort Tags
      if (templateData.Tags) {
        templateData.Tags.sort((a, b) => a.localeCompare(b))
      }

      // Generate slug
      const slug = generateSlug(file.path);

      // Add link to other datasets managed by dataset owner, default to search
      if (templateData.ManagedBy) {
        let managedByName = templateData.ManagedBy;
        // Check if ManagedBy is using Markdown
        if (/\[(.*)\]\((.*)\)/.test(templateData.ManagedBy)) {
          managedByName = /\[(.*)\]/.exec(templateData.ManagedBy)[1];
        }
        templateData.managedByLink = `${process.env.BASE_URL}?search=managedBy:${managedByName.toLowerCase()}`;
        templateData.managedByName = managedByName;

        // Check to see if we have a collab page for this dataset
        fs.readdirSync('./src/collabs').forEach((c) => {
          const file = fs.readFileSync(`./src/collabs/${c}`, 'utf8')
          const json = jsyaml.parse(file);
          if (json.Datasets.includes(slug)) {
            templateData.managedByLink = `${process.env.BASE_URL}/collab/${path.basename(c, '.yaml')}`;
          }
        });
      }

      // Add BASE_URL for citation
      templateData.baseURL = process.env.BASE_URL;

      // Render
      return gulp.src('./src/detail.hbs')
        .pipe(hb({data: templateData, helpers: hbsHelpers, partials: ['./src/partials/*'], handlebars: handlebars}))
        .pipe(rename(`${slug}/index.html`))
        .pipe(gulp.dest('./dist/'));
    }));
};