refactor: add guards around trivial index checks

apps/server/src/api-data/automation/automation.dao.ts

@@ -72,9 +72,13 @@ export async function editTrigger(id: string, newTrigger: TriggerDTO): Promise<T
     throw new Error(`Automation with id ${id} not found`);
   }
 
-  triggers[index] = { ...triggers[index], ...newTrigger };
+  triggers[index] = { ...triggers[index], ...newTrigger, id };
   await saveChanges({ triggers });
-  return triggers[index];
+  const updatedTrigger = triggers[index];
+  if (!updatedTrigger) {
+    throw new Error(`Failed to update trigger with id ${id}`);
+  }
+  return updatedTrigger;
 }
 
 /**
@@ -145,8 +149,10 @@ export async function deleteAutomation(projectRundowns: ProjectRundowns, automat
   // prevent deleting a automation that is in use in triggers
   const triggers = getAutomationTriggers().filter((trigger) => trigger.automationId === automationId);
   if (triggers.length) {
+    const firstTrigger = triggers[0];
+    const triggerTitle = firstTrigger?.title ?? 'Unknown trigger';
     throw new Error(
-      `Unable to delete automation used in trigger ${triggers[0].title}${triggers.length > 1 ? ` and ${triggers.length - 1} more` : ''}`,
+      `Unable to delete automation used in trigger ${triggerTitle}${triggers.length > 1 ? ` and ${triggers.length - 1} more` : ''}`,
     );
   }
 

apps/server/src/api-data/rundown/rundown.dao.ts

@@ -213,6 +213,9 @@ function add(rundown: Rundown, entry: OntimeEntry, afterId: EntryId | null, pare
  */
 function edit(rundown: Rundown, patch: PatchWithId): { entry: OntimeEntry; didInvalidate: boolean } {
   const entry = rundown.entries[patch.id];
+  if (!entry) {
+    throw new Error(`Entry with id ${patch.id} not found`);
+  }
 
   // apply the patch and replace the entry
   const newEntry = applyPatchToEntry(entry, patch);

apps/server/src/api-data/sheets/googleApi.utils.ts

@@ -31,8 +31,9 @@ export function catchCommonImportXlsxError(error: any) {
     isGoogleApiError(error) &&
     error.code === 400 &&
     Array.isArray(error.errors) &&
-    error.errors[0].reason === 'failedPrecondition' &&
-    error.errors[0].message === 'This operation is not supported for this document'
+    error.errors.length > 0 &&
+    error.errors[0]?.reason === 'failedPrecondition' &&
+    error.errors[0]?.message === 'This operation is not supported for this document'
   ) {
     throw new Error('Cannot read the linked file as a Google Sheet. It may be an .xlsx file instead.');
   }

apps/server/src/classes/data-provider/DataProvider.ts

@@ -150,7 +150,9 @@ async function setAutomation(newData: AutomationSettings): ReadonlyPromise<Autom
 
 function getRundown(rundownKey: string): Readonly<Rundown> {
   if (!(rundownKey in db.data.rundowns)) throw new Error(`Rundown with id: ${rundownKey} not found`);
-  return db.data.rundowns[rundownKey];
+  const rundown = db.data.rundowns[rundownKey];
+  if (!rundown) throw new Error(`Rundown with id: ${rundownKey} not found`);
+  return rundown;
 }
 
 async function deleteRundown(rundownKey: string): Promise<ProjectRundowns> {

apps/server/src/services/project-service/ProjectService.ts

@@ -94,6 +94,10 @@ async function loadProject(projectData: DatabaseModel, fileName: string, rundown
       ? projectData.rundowns[rundownId]
       : getFirstRundown(projectData.rundowns);
 
+  if (!rundown) {
+    throw new Error('No rundown found in project');
+  }
+
   await initRundown(rundown, projectData.customFields, true);
 
   // persist the project selection

apps/server/src/services/rollUtils.ts

@@ -28,7 +28,9 @@ export function loadRoll(
   let daySpan = 0;
 
   for (let i = 0; i < metadata.playableEventOrder.length; i++) {
-    const event = rundown.entries[metadata.playableEventOrder[i]] as PlayableEvent;
+    const eventId = metadata.playableEventOrder[i];
+    if (!eventId) continue;
+    const event = rundown.entries[eventId] as PlayableEvent;
     // rolling into events of 0 duration would make the playback be stuck
     if (event.duration === 0) {
       continue;

apps/server/src/stores/runtimeState.ts

@@ -276,7 +276,12 @@ export function loadNow(
     return;
   }
 
-  const event = rundown.entries[metadata.timedEventOrder[eventIndex]] as PlayableEvent;
+  const eventId = metadata.timedEventOrder[eventIndex];
+  if (!eventId) {
+    runtimeState.eventNow = null;
+    return;
+  }
+  const event = rundown.entries[eventId] as PlayableEvent;
   runtimeState.rundown.selectedEventIndex = eventIndex;
   runtimeState.eventNow = event;
 }
@@ -302,6 +307,10 @@ export function loadNext(
     return;
   }
   const nextId = metadata.playableEventOrder[nowPlayableIndex + 1];
+  if (!nextId) {
+    runtimeState.eventNext = null;
+    return;
+  }
   runtimeState.eventNext = rundown.entries[nextId] as PlayableEvent;
 }