start

src/components/decks/utils.js

@@ -0,0 +1,18 @@
+export function getStudentDeckComparator(priority = null) {
+  return function compareStudentDeck(sd1, sd2) {
+    return (
+      (priority && sd2.deck.prioritized - sd1.deck.prioritized) ||
+      sd2.reviewCardCount - sd1.reviewCardCount ||
+      sd2.newCardCount - sd1.newCardCount ||
+      sd2.deck.cardCount - sd1.deck.cardCount
+    );
+  };
+}
+
+export function compareChapter(ch1, ch2) {
+  return (
+    ch2.reviewCardCount - ch1.reviewCardCount ||
+    ch2.newCardCount - ch1.newCardCount ||
+    ch2.cardCount - ch1.cardCount
+  );
+}