Don't use terms with expanded definitions as prefixes in 1.0 mode.

Author: gkellogg

CHANGELOG.md

@@ -14,6 +14,7 @@
   `@base` or document base.
 - Better checking of absolute IRIs.
 - Terms that beging with a ':' are not considered absolute or compact IRIs.
+- Don't use terms with `@prefix`: false, or expanded term definitions to construct compact IRIs.
 
 ### Removed
 - **BREAKING**: Remove callback API support. This includes removing support

lib/context.js

@@ -445,9 +445,9 @@ api.createTermDefinition = (
       }
       mapping['@id'] = id;
       // indicate if this term may be used as a compact IRI prefix
-      mapping._prefix = (!mapping._termHasColon &&
-        id.match(/[:\/\?#\[\]@]$/) &&
-        (simpleTerm || api.processingMode(activeCtx, 1.0)));
+      mapping._prefix = (simpleTerm &&
+        !mapping._termHasColon &&
+        id.match(/[:\/\?#\[\]@]$/));
     }
   }
 
@@ -770,8 +770,8 @@ function _expandIri(activeCtx, value, relativeTo, localCtx, defined, options) {
     }
 
     // use mapping if prefix is defined
-    if(activeCtx.mappings.has(prefix)) {
-      const mapping = activeCtx.mappings.get(prefix);
+    const mapping = activeCtx.mappings.get(prefix);
+    if(mapping && mapping._prefix) {
       return mapping['@id'] + suffix;
     }
 

tests/test-common.js

@@ -32,8 +32,6 @@ const TEST_TYPES = {
       specVersion: ['json-ld-1.0'],
       // FIXME
       idRegex: [
-        // terms
-        /compact-manifest.jsonld#tp001$/,
         // type set
         /compact-manifest.jsonld#t0104$/,
         /compact-manifest.jsonld#t0105$/,
@@ -163,8 +161,6 @@ const TEST_TYPES = {
         /expand-manifest.jsonld#te049$/,
         // invalid keyword alias
         /expand-manifest.jsonld#te051$/,
-        // IRI prefixes
-        /expand-manifest.jsonld#tpr29$/,
         // protected null IRI mapping
         /expand-manifest.jsonld#tpr28$/,
         // remote