Android build v1.1.2

src/combat/stackCounts.ts

@@ -0,0 +1,25 @@
+export type StackCounts<T extends string> = ReadonlyMap<T, number>
+
+export function createStackCounts<T extends string>(items: readonly T[]): StackCounts<T> {
+  const counts = new Map<T, number>()
+  items.forEach((item) => counts.set(item, (counts.get(item) ?? 0) + 1))
+  return counts
+}
+
+export function stackCount<T extends string>(counts: StackCounts<T>, id: T) {
+  return counts.get(id) ?? 0
+}
+
+export function summarizeStackCounts<T extends string, TChoice extends { id: T; name: string }>(
+  counts: StackCounts<T>,
+  catalog: readonly TChoice[],
+  emptyLabel = '',
+) {
+  const summary = Array.from(counts.entries())
+    .map(([id, count]) => {
+      const label = catalog.find((choice) => choice.id === id)?.name ?? id
+      return count > 1 ? `${label} x${count}` : label
+    })
+    .join(', ')
+  return summary || emptyLabel
+}