refactor(annotation): getLeftSibling() and getRightSibling() now uses…

… index as parameter

BREAKING CHANGE: check your calls of getLeftSibling() and
getRightSibling() and change parameters to index values.

libs/annotation/src/lib/annotation.ts

@@ -717,12 +717,12 @@ export class OctraAnnotationLevel<T extends OLevel<S>, S extends OItem> {
     return this;
   }
 
-  getLeftSibling(item: S) {
-    return this.level.getLeftSibling(item);
+  getLeftSibling(index: number) {
+    return this.level.getLeftSibling(index);
   }
 
-  getRightSibling(item: S) {
-    return this.level.getRightSibling(item);
+  getRightSibling(index: number) {
+    return this.level.getRightSibling(index);
   }
 }
 

libs/annotation/src/lib/annotjson.ts

@@ -162,13 +162,11 @@ export class OLevel<T extends OItem> implements ILevel {
     );
   }
 
-  getLeftSibling(item: OItem): T | undefined {
-    const index = this.items.findIndex((a) => a.id === item.id);
+  getLeftSibling(index: number): T | undefined {
     return index > 0 ? this.items[index - 1] : undefined;
   }
 
-  getRightSibling(item: OItem): T | undefined {
-    const index = this.items.findIndex((a) => a.id === item.id);
+  getRightSibling(index: number): T | undefined {
     return index > -1 && index < this.items.length - 1 ? this.items[index + 1] : undefined;
   }
 }