- Terms of the form of an IRI must map to the same IRI.

- Terms of the form of a relative IRI may not be used as prefixes.

Author: gkellogg

CHANGELOG.md

@@ -16,6 +16,8 @@
 - JSON literal value handling issues.
 - Do minimal checking to see if IRIs are valid by making sure they contain
   no whitespace.
+- Terms of the form of an IRI must map to the same IRI.
+- Terms of the form of a relative IRI may not be used as prefixes.
 
 ## 2.0.0 - 2019-12-09
 

lib/context.js

@@ -465,6 +465,20 @@ api.createTermDefinition = ({
           'jsonld.SyntaxError',
           {code: 'invalid IRI mapping', context: localCtx});
       }
+
+      // if term has the form of an IRI it must map the same
+      if(term.match(/(?::[^:])|\//)) {
+        const termDefined = new Map(defined).set(term, true);
+        const termIri = _expandIri(
+          activeCtx, term, {vocab: true, base: false}, localCtx, termDefined, options);
+        if(termIri !== id) {
+          throw new JsonLdError(
+            'Invalid JSON-LD syntax; term in form of IRI must expand to definition.',
+            'jsonld.SyntaxError',
+            {code: 'invalid IRI mapping', context: localCtx});
+        }
+      }
+
       mapping['@id'] = id;
       // indicate if this term may be used as a compact IRI prefix
       mapping._prefix = (simpleTerm &&
@@ -685,7 +699,7 @@ api.createTermDefinition = ({
 
   // term may be used as a prefix
   if('@prefix' in value) {
-    if(mapping._termHasColon) {
+    if(term.match(/:|\//)) {
       throw new JsonLdError(
         'Invalid JSON-LD syntax; @context @prefix used on a compact IRI term',
         'jsonld.SyntaxError',
@@ -808,7 +822,7 @@ function _expandIri(activeCtx, value, relativeTo, localCtx, defined, options) {
       return null;
     }
 
-    if(mapping) {
+    if(_isObject(mapping) && '@id' in mapping) {
       // value is a term
       return mapping['@id'];
     }

tests/test-common.js

@@ -100,11 +100,6 @@ const TEST_TYPES = {
         /expand-manifest.jsonld#thc03$/,
         /expand-manifest.jsonld#thc04$/,
         /expand-manifest.jsonld#thc05$/,
-        // misc
-        /expand-manifest.jsonld#te043$/,
-        /expand-manifest.jsonld#te044$/,
-        /expand-manifest.jsonld#te048$/,
-        /expand-manifest.jsonld#te049$/,
         // protected null IRI mapping
         /expand-manifest.jsonld#tpr28$/,
         // remote