Function groupBySource

src/components/ContextVisualization.tsx:77–101

Group items by source type for display, sorted by tokens descending within each group

(items: T[])

/** Group items by source type for display, sorted by tokens descending within each group */
function groupBySource<T extends {
  source: SettingSource | 'plugin' | 'built-in';
  tokens: number;
}>(items: T[]): Map<string, T[]> {
  const groups = new Map<string, T[]>();
  for (const item of items) {
    const key = getSourceDisplayName(item.source);
    const existing = groups.get(key) || [];
    existing.push(item);
    groups.set(key, existing);
  }
  // Sort each group by tokens descending
  for (const [key, group] of groups.entries()) {
    groups.set(key, group.sort((a, b) => b.tokens - a.tokens));
  }
  // Return groups in consistent order
  const orderedGroups = new Map<string, T[]>();
  for (const source of SOURCE_DISPLAY_ORDER) {
    const group = groups.get(source);
    if (group) {
      orderedGroups.set(source, group);
    }
  }
  return orderedGroups;
}
interface Props {
  data: ContextData;
}