Parse blank nodes from JSON-LD sources.

Author: RubenVerborgh

lib/datasources/JsonLdDatasource.js

@@ -46,17 +46,19 @@ function extractTriples(json, addTriple, done) {
 
 // Converts a jsonld.js entity to an N3.js IRI or literal
 function convertEntity(entity) {
-  // Return IRIs as-is
-  if (entity.type === 'IRI')
+  // Return IRIs and blank nodes as-is
+  if (entity.type !== 'literal')
     return entity.value;
-  // Add a language tag to the literal if present
-  if ('language' in entity)
-    return '"' + entity.value + '"@' + entity.language;
-  // Add a datatype to the literal if present
-  if (entity.datatype !== 'http://www.w3.org/2001/XMLSchema#string')
-    return '"' + entity.value + '"^^<' + entity.datatype + '>';
-  // Otherwise, return the regular literal
-  return '"' + entity.value + '"';
+  else {
+    // Add a language tag to the literal if present
+    if ('language' in entity)
+      return '"' + entity.value + '"@' + entity.language;
+    // Add a datatype to the literal if present
+    if (entity.datatype !== 'http://www.w3.org/2001/XMLSchema#string')
+      return '"' + entity.value + '"^^<' + entity.datatype + '>';
+    // Otherwise, return the regular literal
+    return '"' + entity.value + '"';
+  }
 }
 
 module.exports = JsonLdDatasource;