Check for compactIri yielding an absoluteIri where the scheme matches a term that can be used as a prefix.

Author: gkellogg

lib/compact.js

@@ -824,6 +824,17 @@ api.compactIri = ({
     return choice;
   }
 
+  // If iri could be confused with a compact IRI using a term in this context,
+  // signal an error
+  for(const [term, td] of activeCtx.mappings) {
+    if(iri.startsWith(term + ':') && td._prefix) {
+      throw new JsonLdError(
+        ('Absolute IRI "' + iri + '" confused with prefix "' + term + '"'),
+        'jsonld.SyntaxError',
+        {code: 'IRI confused with prefix', context: activeCtx});
+    }
+  }
+
   // compact IRI relative to base
   if(!relativeTo.vocab) {
     return _removeBase(activeCtx['@base'], iri);

tests/test-common.js

@@ -48,8 +48,6 @@ const TEST_TYPES = {
         /compact-manifest.jsonld#tpi04$/,
         /compact-manifest.jsonld#tpi05$/,
         /compact-manifest.jsonld#tpi06$/,
-        // IRI confusion
-        /compact-manifest.jsonld#te002$/,
         // @propogate
         /compact-manifest.jsonld#tc026$/,
         /compact-manifest.jsonld#tc027$/,