filter out null objects (#398)

tngan · Jan 10, 2021 · b024735 · b024735
1 parent c91efe0
commit b024735
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/src/extractor.ts b/src/extractor.ts
@@ -253,7 +253,7 @@ export function extract(context: string, fields) {
         index: ['Name'],
         attributePath: ['AttributeValue'],
         attributes: []
-      } 
+      }
     */
     if (index && attributePath) {
       // find the index in localpath
@@ -309,7 +309,7 @@ export function extract(context: string, fields) {
         value = node[0].toString();
       }
       if (node.length > 1) {
-        value = node.map(n => n.toString()); 
+        value = node.map(n => n.toString());
       }
       return {
         ...result,
@@ -330,7 +330,7 @@ export function extract(context: string, fields) {
       const childXPath = `${buildAbsoluteXPath([last(localPath)])}${attributeXPath}`;
       const attributeValues = baseNode.map((node: string) => {
         const nodeDoc = new dom().parseFromString(node);
-        const values = select(childXPath, nodeDoc).reduce((r: any, n: Attr) => { 
+        const values = select(childXPath, nodeDoc).reduce((r: any, n: Attr) => {
           r[camelCase(n.name)] = n.value;
           return r;
         }, {});
@@ -373,7 +373,8 @@ export function extract(context: string, fields) {
         attributeValue = select(fullPath, targetDoc);
       }
       if (node.length > 1) {
-        attributeValue = node.map((n: Node) => n.firstChild!.nodeValue);
+        attributeValue = node.filter((n: Node) => n.firstChild)
+          .map((n: Node) => n.firstChild!.nodeValue);
       }
       return {
         ...result,