refreshTreeMapData()

in ui/src/app/viewer/treemap/treemap.component.ts [85:119]

• 28 lines of code
• 1 McCabe index (conditional complexity)

  refreshTreeMapData(newDirs: MetadataObject[]) {
    this.data = [];
    const top3 = newDirs.slice(1, 4);

    const otherSize = newDirs.slice(4).reduce((sum, dir) => sum + dir.size, 0);
    const otherCount = newDirs
      .slice(4)
      .reduce((count, dir) => count + dir.count, 0);

    const parentDir = newDirs[0].name;

    const otherDir: MetadataObject = {
      name: 'Other',
      count: 0,
      parent: parentDir,
      size: otherSize,
    };

    // get the children of other
    const otherChildren = newDirs
      .slice(4)
      .map((dir) => {
        dir.parent = otherDir.name
        return [dir.name, dir.parent, 0.1]
      });

    const top3Sizes = [60, 25, 10];

    this.data = [
      [newDirs[0].name, null, newDirs[0].size], // parent
      ...top3.map((dir, i) => [dir.name, parentDir, top3Sizes[i]] as Row), // top 3 directories in size
      [otherDir.name, parentDir, 5] as Row, // group of other directories
      ...otherChildren,
    ];
  }