Use the &= style, instead of single-line if, as it is more concise.

Author: gkellogg

lib/context.js

@@ -108,7 +108,7 @@ api.process = ({activeCtx, localCtx, options}) => {
     }
 
     // If not set explicitly, set processingMode to "json-ld-1.0"
-    rval.processingMode = rval.processingMode || activeCtx.processingMode || 'json-ld-1.0';
+    rval.processingMode |= activeCtx.processingMode || 'json-ld-1.0';
 
     // handle @base
     if('@base' in ctx) {
@@ -391,20 +391,20 @@ api.createTermDefinition = (activeCtx, localCtx, term, defined) => {
       validContainers.push('@graph');
 
       // check container length
-      if(container.length > (hasSet ? 2 : 1)) isValid = false;
+      isValid &= container.length <= (hasSet ? 2 : 1);
     } else {
       // container must be a string which is one of the validContainers
-      if(_isArray(value['@container'])) isValid = false;
+      isValid &= !_isArray(value['@container']);
 
       // check container length
-      if(container.length > 1) isValid = false;
+      isValid &= container.length <= 1;
     }
 
     // Check against valid containers
-    if(!container.every(c => validContainers.includes(c))) isValid = false;
+    isValid &= container.every(c => validContainers.includes(c));
 
     // @set not allowed with @list
-    if(hasSet && container.includes('@list')) isValid = false;
+    isValid &= !(hasSet && container.includes('@list'));
 
     if(!isValid) {
       throw new JsonLdError(