fix #83: Merge keywords and default values for aliases

index.js

@@ -77,13 +77,17 @@ function mergeItems(itemType, currentItem, newItem, ignoreLocations) {
         currentItem.description = newItem.description;
     }
 
+    if (!currentItem.defaultValue && typeof newItem.defaultValue != 'undefined') {
+        currentItem.defaultValue = newItem.defaultValue;
+    }
+
     if (!currentItem.type || currentItem.type.type === 'any') {
         if (newItem.type && newItem.type.type !== 'any') {
             currentItem.type = newItem.type;
         }
     }
 
-    if (!currentItem.keywords && newItem.keywords) {
+    if ((!currentItem.keywords || currentItem.keywords.length == 0) && newItem.keywords) {
         currentItem.keywords = newItem.keywords;
     }
 

test/svelte3/integration/data/data.export.aliace.svelte

@@ -1,11 +1,20 @@
 <script>
-    /** 
-     * Description for variable that must be exported later 
+    /**
+     * Description for variable that must be exported later
      * @type {Array<string>}
      */
     const classes = [ 'btn' ];
 
-    export { 
+    export {
         classes as class
     };
+
+    /**
+     * Switch parameter
+     * @type {'main' | 'sidebar'}
+     *
+     */
+    let switchValue = "main";
+
+    export {switchValue as switch}
 </script>

test/svelte3/integration/data/data.spec.js

@@ -416,7 +416,7 @@ describe('SvelteDoc v3 - Props', () => {
             expect(doc, 'Document should be provided').to.exist;
             expect(doc.data, 'Document data should be parsed').to.exist;
 
-            expect(doc.data.length).to.equal(2);
+            expect(doc.data.length).to.equal(4);
 
             const prop = doc.data.find(d => d.name === 'class');
 
@@ -429,12 +429,25 @@ describe('SvelteDoc v3 - Props', () => {
             expect(prop.type).to.eql({ kind: 'type', type: 'Array<string>', text: 'Array<string>' });
 
             expect(prop.locations, 'Code location should be parsed').to.be.exist;
-            expect(prop.locations[0]).is.deep.equals({ start: 181, end: 186 });
+            expect(prop.locations[0]).is.deep.equals({ start: 178, end: 183 });
 
             const localProp = doc.data.find(d => d.name === 'classes');
 
             expect(localProp, 'Local prop definition also must be provided').to.exist;
 
+            const prop2 = doc.data.find(d => d.name === 'switch');
+            expect(prop2).to.exist;
+            expect(prop2.name, 'Aliace name must be exposed instead of original name').to.equal('switch');
+            expect(prop2.localName, 'Local name must be stored').to.equal('switchValue');
+            expect(prop2.defaultValue).to.equal("main");
+            expect(prop2.keywords).to.exist;
+            expect(prop2.keywords.length).to.equal(1);
+
+            const keyword = prop2.keywords[0];
+
+            expect(keyword.name).to.equal('type');
+            expect(keyword.description).to.equal("{'main' | 'sidebar'}");
+
             done();
         }).catch(e => {
             done(e);