style: 💄 run Prettier

src/json-crdt-extensions/peritext/overlay/Overlay.ts

@@ -67,18 +67,22 @@ export class Overlay<T = string> implements Printable, Stateful {
     return this.entries();
   }
 
-  public splitIterator(): () => MarkerOverlayPoint | undefined {
+  public markerIterator(): () => MarkerOverlayPoint | undefined {
     let curr = this.first();
     return () => {
       while (curr) {
         const ret = curr;
         if (curr) curr = next(curr);
         if (ret instanceof MarkerOverlayPoint) return ret;
       }
-      return undefined;
+      return;
     };
   }
 
+  public markers(): IterableIterator<OverlayPoint<T>> {
+    return new UndefEndIter(this.iterator());
+  }
+
   /**
    * Retrieve overlay point or the previous one, measured in spacial dimension.
    */

src/json-crdt-extensions/peritext/overlay/__tests__/Overlay.spec.ts

@@ -21,7 +21,7 @@ const setup = () => {
 
 const markerCount = (peritext: Peritext): number => {
   const overlay = peritext.overlay;
-  const iterator = overlay.splitIterator();
+  const iterator = overlay.markerIterator();
   let count = 0;
   for (let split = iterator(); split; split = iterator()) {
     count++;
@@ -117,7 +117,7 @@ describe('markers', () => {
       expect(markerCount(peritext)).toBe(2);
       const points = [];
       let point;
-      for (const iterator = peritext.overlay.splitIterator(); (point = iterator()); ) points.push(point);
+      for (const iterator = peritext.overlay.markerIterator(); (point = iterator()); ) points.push(point);
       expect(points.length).toBe(2);
       expect(points[0].pos()).toBe(2);
       expect(points[1].pos()).toBe(11);

src/util/iterator.ts

@@ -12,5 +12,8 @@ export class UndefEndIter<T> implements IterableIterator<T> {
 }
 
 export class IterRes<T> {
-  constructor(public readonly value: T, public readonly done: boolean) {}
+  constructor(
+    public readonly value: T,
+    public readonly done: boolean,
+  ) {}
 }