From b4b17136a6c27bd223d601e621c7d0dffa6d7dfe Mon Sep 17 00:00:00 2001
From: Michael Spalti <mspalti@gmail.com>
Date: Sun, 5 Dec 2021 18:25:12 -0800
Subject: [PATCH] Updated regex and condition for iiif.enabled metadata check.

---
 .../edit-bitstream-page/edit-bitstream-page.component.ts      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.ts b/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.ts
index 67b470b501..337dae993a 100644
--- a/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.ts
+++ b/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.ts
@@ -606,7 +606,9 @@ export class EditBitstreamPageComponent implements OnInit, OnDestroy {
     this.bitstream.bundle.pipe(getFirstSucceededRemoteDataPayload(),
       mergeMap((bundle: Bundle) => bundle.item.pipe(getFirstSucceededRemoteDataPayload())))
       .subscribe((item) => {
-        if (item.firstMetadataValue('dspace.iiif.enabled').match('true') !== null) {
+        const regex = /(true|yes)/i;
+        if (item.firstMetadataValue('dspace.iiif.enabled') &&
+          item.firstMetadataValue('dspace.iiif.enabled').match(regex) !== null) {
           this.isIIIF = true;
           this.formLayout.iiifLabel.grid.host = this.newFormatBaseLayout;
           this.formLayout.iiifToc.grid.host = this.newFormatBaseLayout;