Function showMultiEditPanel

renderer.js:17187–17349

()

    
    // Collect unique tags across all selected files
    // Use Set to automatically ensure uniqueness
    const uniqueTags = new Set();
    allTagsArrays.forEach(tags => {
      if (Array.isArray(tags)) {
        // First deduplicate tags within each model (in case a model has duplicate tags)
        const modelUniqueTags = new Set();
        tags.forEach(tag => {
          // Normalize tag: trim whitespace and ensure it's a non-empty string
          if (tag && typeof tag === 'string') {
            const normalizedTag = tag.trim();
            if (normalizedTag) {
              modelUniqueTags.add(normalizedTag);
            }
          }
        });
        // Add all unique tags from this model to the overall set
        modelUniqueTags.forEach(tag => uniqueTags.add(tag));
      }
    });

    // Convert Set to array and sort alphabetically
    // Set already ensures uniqueness, so no need for additional deduplication
    const sortedTags = Array.from(uniqueTags).sort((a, b) => a.localeCompare(b));
    
    // Double-check for duplicates (defensive programming)
    const finalUniqueTags = [];
    const seenTags = new Set();
    sortedTags.forEach(tag => {
      if (!seenTags.has(tag)) {
        seenTags.add(tag);
        finalUniqueTags.push(tag);
      }
    });

    // Populate dropdown
    if (finalUniqueTags.length === 0) {
      const noTagsOption = document.createElement('option');
      noTagsOption.value = '';
      noTagsOption.textContent = 'No tags to remove';
      noTagsOption.disabled = true;
      removeTagSelect.appendChild(noTagsOption);
    } else {
      finalUniqueTags.forEach(tagName => {
        // Additional check to prevent duplicate options in the DOM
        const existingOption = Array.from(removeTagSelect.options).find(opt => opt.value === tagName);
        if (!existingOption) {
          const option = document.createElement('option');
          option.value = tagName;
          option.textContent = tagName;
          removeTagSelect.appendChild(option);
        }
      });
    }
  } catch (error) {
    console.error('Error populating remove tag select:', error);
    const errorOption = document.createElement('option');
    errorOption.value = '';
    errorOption.textContent = 'Error loading tags';