@@ -408,7 +408,7 @@ export class MetadataService {
408408 * Add <meta name="citation_pdf_url" ... > to the <head>
409409 */
410410 private setCitationPdfUrlTag ( ) : void {
411- this . setSocialImageTag ( 'ORIGINAL' , 'citation_pdf_url' ) ;
411+ this . setPrimaryBitstreamInBundleTag ( 'ORIGINAL' , 'citation_pdf_url' ) ;
412412 }
413413
414414 /**
@@ -432,7 +432,7 @@ export class MetadataService {
432432 * Add <meta name="og:image" ... > to the <head>
433433 */
434434 private setOpenGraphImageTag ( ) : void {
435- this . setSocialImageTag ( 'THUMBNAIL' , 'og:image' ) ;
435+ this . setPrimaryBitstreamInBundleTag ( 'THUMBNAIL' , 'og:image' ) ;
436436 }
437437
438438
@@ -457,10 +457,10 @@ export class MetadataService {
457457 * Add <meta name="twitter:image" ... > to the <head>
458458 */
459459 private setTwitterImageTag ( ) : void {
460- this . setSocialImageTag ( 'THUMBNAIL' , 'twitter:image' ) ;
460+ this . setPrimaryBitstreamInBundleTag ( 'THUMBNAIL' , 'twitter:image' ) ;
461461 }
462462
463- private setSocialImageTag ( bundleName : string , tag : string ) : void {
463+ private setPrimaryBitstreamInBundleTag ( bundleName : string , tag : string ) : void {
464464 if ( this . currentObject . value instanceof Item ) {
465465 const item = this . currentObject . value as Item ;
466466
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