fix: handle bad pitm

dukesook · dukesook · commit f39dfd4d8efb · 2026-02-05T09:57:59.000-07:00
diff --git a/src/isofile.ts b/src/isofile.ts
@@ -2132,7 +2132,12 @@ export class ISOFile<TSegmentUser = unknown, TSampleUser = unknown> {
       }
     }
     if (meta.pitm) {
-      items[meta.pitm.item_id].primary = true;
+      const id = meta.pitm.item_id;
+      if (!items[id]) {
+        Log.warn('ISOFile', 'Primary item_id is: #' + id + ' which does not exist');
+      } else {
+        items[id].primary = true;
+      }
     }
     if (meta.iref) {
       for (let i = 0; i < meta.iref.references.length; i++) {

Original file line number	Diff line number	Diff line change
`@@ -2132,7 +2132,12 @@ export class ISOFile<TSegmentUser = unknown, TSampleUser = unknown> {`
`2132`	`2132`	`}`
`2133`	`2133`	`}`
`2134`	`2134`	`if (meta.pitm) {`
`2135`		`- items[meta.pitm.item_id].primary = true;`
	`2135`	`+ const id = meta.pitm.item_id;`
	`2136`	`+ if (!items[id]) {`
	`2137`	`+ Log.warn('ISOFile', 'Primary item_id is: #' + id + ' which does not exist');`
	`2138`	`+ } else {`
	`2139`	`+ items[id].primary = true;`
	`2140`	`+ }`
`2136`	`2141`	`}`
`2137`	`2142`	`if (meta.iref) {`
`2138`	`2143`	`for (let i = 0; i < meta.iref.references.length; i++) {`