Update getSequences to also return ranges with sequence behavior

src/Manifest.ts

@@ -20,7 +20,7 @@ import {
 export class Manifest extends IIIFResource {
   public index: number = 0;
   private _allRanges: Range[] | null = null;
-  public items: Sequence[] = [];
+  public items: (Sequence | Range)[] = [];
   private _topRanges: Range[] = [];
 
   constructor(jsonld?: any, options?: IManifestoOptions) {
@@ -238,8 +238,15 @@ export class Manifest extends IIIFResource {
     return null;
   }
 
-  getSequences(): Sequence[] {
-    if (this.items.length) {
+  getSequences(): (Sequence | Range)[] {
+    let v3SeqRanges: Range[] = [];
+    if (this.getTopRanges().length > 0) {
+      v3SeqRanges = this.getTopRanges().filter(
+        r => r.getBehavior() == "sequence"
+      );
+    }
+
+    if (v3SeqRanges.length === 0 && this.items.length) {
       return this.items;
     }
 
@@ -258,10 +265,14 @@ export class Manifest extends IIIFResource {
       this.items.push(sequence);
     }
 
+    if (v3SeqRanges.length > 0) {
+      this.items.concat(v3SeqRanges);
+    }
+
     return this.items;
   }
 
-  getSequenceByIndex(sequenceIndex: number): Sequence {
+  getSequenceByIndex(sequenceIndex: number): Sequence | Range {
     return this.getSequences()[sequenceIndex];
   }
 

test/fixtures/pres3.json

@@ -142,6 +142,59 @@
                     ]
                 }
             ]
+        },
+        {
+            "id": "http://example.org/iiif/book1/canvas/1",
+            "type": "Canvas",
+            "label": {
+                "@none": [
+                    "p. 1"
+                ]
+            },
+            "height": 1000,
+            "width": 750,
+            "duration": 180.0,
+            "items": [
+                {
+                    "id": "http://example.org/iiif/book1/canvas/1/annotationpage/0",
+                    "type": "AnnotationPage",
+                    "items": [
+                        {
+                            "id": "http://example.org/iiif/book1/canvas/1/annotation/0",
+                            "type": "Annotation",
+                            "motivation": "painting",
+                            "body": {
+                                "id": "http://example.org/iiif/book1/canvas/1/images/page1.jpg",
+                                "type": "Image",
+                                "format": "image/jpeg",
+                                "label": {
+                                    "@none": [
+                                        "Page 1"
+                                    ]
+                                }
+                            },
+                            "target": "http://example.org/iiif/book1/canvas/1"
+                        }
+                    ]
+                }
+            ]
         }
+    ],
+    "structures": [
+      {
+        "id": "http://foo.test/1/range/root",
+        "type": "Range",
+        "behavior": "sequence",
+        "items": [
+          {
+            "type": "SpecificResource",
+            "source": "http://example.org/iiif/book1/canvas/0",
+            "selector": {
+              "type": "FragmentSelector",
+              "value": "xywh=0,0,750,300"
+            }
+          }
+        ]
+      }
     ]
-}
+}