don't fail on non-existing extraFields

adam3smith · Jan 31, 2019 · 5134dceecb39aa7567a9cad9d0c02d503fb7b45a · 5134dce
1 parent 27eb086
commit 5134dceecb39aa7567a9cad9d0c02d503fb7b45a
Unified Split

Showing with 5 additions and 3 deletions.

+5 −3 BibLaTeX.js
diff --git a/BibLaTeX.js b/BibLaTeX.js
@@ -15,7 +15,7 @@
 		"exportFileData": false,
 		"useJournalAbbreviation": false
 	},
-  
-	"lastUpdated": "2019-01-30 17:16:00"
+  
+	"lastUpdated": "2019-01-31 13:16:00"
 }
 //%a = first listed creator surname
@@ -387,8 +387,10 @@ function creatorCheck(item, ctype) {
 }
 function buildCiteKey (item, extraFields, citekeys) {
-  
-		const citationKey = extraFields.findIndex(field => field.field && field.value && field.field.toLowerCase() === 'citation key')
-  
-		if (citationKey >= 0) return extraFields.splice(citationKey, 1)[0].value
+  
+		if (extraFields) {
+  
+			const citationKey = extraFields.findIndex(field => field.field && field.value && field.field.toLowerCase() === 'citation key')
+  
+			if (citationKey >= 0) return extraFields.splice(citationKey, 1)[0].value;
+  
+		}
 		if (item.citationKey) return item.citationKey