Fix/input not array in reschedule method (#77)

__tests__/reschedule.test.ts

@@ -152,4 +152,17 @@ describe("FSRS reschedule", () => {
     );
     expect(reschedule_cards.length).toEqual(0);
   });
+
+  it("reschedule by empty array", () => {
+    const f: FSRS = fsrs();
+    const reschedule_cards = f.reschedule([]);
+    expect(reschedule_cards.length).toEqual(0);
+  });
+
+  it("reschedule by not array", () => {
+    const f: FSRS = fsrs();
+    expect(() =>{f.reschedule(createEmptyCard() as unknown as Card[])}).toThrow(
+      "cards must be an array",
+    );
+  });
 });

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ts-fsrs",
-  "version": "3.5.2",
+  "version": "3.5.3",
   "description": "ts-fsrs is a ES modules package based on TypeScript, used to implement the Free Spaced Repetition Scheduler (FSRS) algorithm. It helps developers apply FSRS to their flashcard applications, there by improving the user learning experience.",
   "main": "dist/index.cjs",
   "module": "dist/index.mjs",

src/fsrs/default.ts

@@ -9,7 +9,7 @@ export const default_w = [
 ];
 export const default_enable_fuzz = false;
 
-export const FSRSVersion: string = "3.5.2";
+export const FSRSVersion: string = "3.5.3";
 
 export const generatorParameters = (
   props?: Partial<FSRSParameters>,

src/fsrs/fsrs.ts

@@ -373,6 +373,9 @@ export class FSRS extends FSRSAlgorithm {
     cards: Array<T>,
     options: RescheduleOptions = {},
   ): Array<T> {
+    if (!Array.isArray(cards)) {
+      throw new Error("cards must be an array");
+    }
     const processedCard: T[] = [];
     for (const card of cards) {
       if (fixState(card.state) !== State.Review || !card.last_review) continue;