add shortcut to jump between blocks (#1181)

* add shortcut

* chore: rename getRelevantBlock to getPreviousBlock

packages/utils/src/rundown-utils/rundownUtils.test.ts

@@ -8,8 +8,8 @@ import {
   getNext,
   getNextEvent,
   getPrevious,
+  getPreviousBlock,
   getPreviousEvent,
-  getRelevantBlock,
   swapEventData,
 } from './rundownUtils';
 
@@ -278,23 +278,23 @@ describe('getLastEvent', () => {
     ];
 
     it('returns the relevant block', () => {
-      const block = getRelevantBlock(testRundown as unknown as OntimeRundown, 'h');
+      const block = getPreviousBlock(testRundown as unknown as OntimeRundown, 'h');
 
       expect(block?.id).toBe('g');
     });
     it('returns the relevant block', () => {
-      const block = getRelevantBlock(testRundown as unknown as OntimeRundown, 'f');
+      const block = getPreviousBlock(testRundown as unknown as OntimeRundown, 'f');
 
       expect(block?.id).toBe('e');
     });
     it('returns the relevant block', () => {
-      const block = getRelevantBlock(testRundown as unknown as OntimeRundown, 'a');
+      const block = getPreviousBlock(testRundown as unknown as OntimeRundown, 'a');
 
       expect(block).toBeNull();
     });
     it('also works on index 0', () => {
       testRundown.unshift({ id: '0', type: SupportedEvent.Block });
-      const block = getRelevantBlock(testRundown as unknown as OntimeRundown, 'a');
+      const block = getPreviousBlock(testRundown as unknown as OntimeRundown, 'a');
       expect(block?.id).toBe('0');
     });
   });

packages/utils/src/rundown-utils/rundownUtils.ts

@@ -302,7 +302,53 @@ export function getEventWithId(rundown: OntimeRundown, id: string): OntimeRundow
 /**
  * Gets relevant block element for a given ID
  */
-export function getRelevantBlock(rundown: OntimeRundown, currentId: string): OntimeBlock | null {
+export function getPreviousBlockNormal(rundown: NormalisedRundown, order: string[], currentId: string): IndexAndEntry {
+  let foundCurrentEvent = false;
+  // Iterate backwards through the rundown to find the current event
+  for (let index = order.length - 1; index >= 0; index--) {
+    const id = order[index];
+    if (!foundCurrentEvent && id === currentId) {
+      // set the flag when the current event is found
+      foundCurrentEvent = true;
+      continue;
+    }
+    // the first block before the current event is the relevant one
+    const entry = rundown[id];
+    if (foundCurrentEvent && isOntimeBlock(entry)) {
+      return { entry, index };
+    }
+  }
+  // no blocks exist before current event
+  return { entry: null, index: null };
+}
+
+/**
+ * Gets next block element for a given ID
+ */
+export function getNextBlockNormal(rundown: NormalisedRundown, order: string[], currentId: string): IndexAndEntry {
+  let foundCurrentEvent = false;
+  // Iterate backwards through the rundown to find the current event
+  for (let index = 0; index < order.length; index++) {
+    const id = order[index];
+    if (!foundCurrentEvent && id === currentId) {
+      // set the flag when the current event is found
+      foundCurrentEvent = true;
+      continue;
+    }
+    // the first block before the current event is the relevant one
+    const entry = rundown[id];
+    if (foundCurrentEvent && isOntimeBlock(entry)) {
+      return { entry, index };
+    }
+  }
+  // no blocks exist before current event
+  return { entry: null, index: null };
+}
+
+/**
+ * Gets relevant block element for a given ID
+ */
+export function getPreviousBlock(rundown: OntimeRundown, currentId: string): OntimeBlock | null {
   let foundCurrentEvent = false;
   // Iterate backwards through the rundown to find the current event
   for (let i = rundown.length - 1; i >= 0; i--) {