Fix/lapses count (#57)

* Fix/lapses count in scheduler.ts

Ref:open-spaced-repetition/py-fsrs#18

* 3.1.2

__tests__/FSRSV4.test.ts

@@ -124,7 +124,7 @@ describe("FSRS V4 AC by py-fsrs", () => {
     expect(stability).toEqual([1.14, 1.01, 5.44, 14.67]);
     expect(difficulty).toEqual([8.4348, 6.8686, 5.3024, 3.7361999999999993]);
     expect(reps).toEqual([1, 1, 1, 1]);
-    expect(lapses).toEqual([1, 0, 0, 0]);
+    expect(lapses).toEqual([0, 0, 0, 0]);
     expect(elapsed_days).toEqual([0, 0, 0, 0]);
     expect(scheduled_days).toEqual([0, 0, 0, 15]);
     expect(states).toEqual([

example/example.html

@@ -9,7 +9,7 @@
     <script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
     <script src="https://cdn.tailwindcss.com?plugins=forms,typography,aspect-ratio,line-clamp"></script>
     <script type="module">
-        import * as tsFsrs from 'https://cdn.jsdelivr.net/npm/ts-fsrs@3.1.0-beta8/+esm';
+        import * as tsFsrs from 'https://cdn.jsdelivr.net/npm/ts-fsrs@3.1.2/+esm';
         window.tsfsrs = tsFsrs
     </script>
     <title>TS-FSRS example</title>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ts-fsrs",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "description": "ts-fsrs is a TypeScript package used to implement the Free Spaced Repetition Scheduler (FSRS) algorithm. It helps developers apply FSRS to their flashcard applications, thereby improving the user learning experience.",
   "main": "dist/ts-fsrs.js",
   "module": "dist/ts-fsrs.mjs",

src/fsrs/default.ts

@@ -9,7 +9,7 @@ export const default_w = [
 ];
 export const default_enable_fuzz = false;
 
-export const FSRSVersion: string = "3.1.1";
+export const FSRSVersion: string = "3.1.2";
 
 export const generatorParameters = (
   props?: Partial<FSRSParameters>,

src/fsrs/scheduler.ts

@@ -34,7 +34,6 @@ export class SchedulingCard {
       this.hard.state = State.Learning;
       this.good.state = State.Learning;
       this.easy.state = State.Review;
-      this.again.lapses += 1;
     } else if (state === State.Learning || state === State.Relearning) {
       this.again.state = state;
       this.hard.state = state;