Merge pull request #17 from maur1th/master

Error handling on segment.getComponent
hitgeek · Feb 8, 2016 · 3be97e4 · 3be97e4
2 parents 68a4680 + a362dea
commit 3be97e4
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/hl7/segment.js b/lib/hl7/segment.js
@@ -62,7 +62,12 @@ segment.prototype.getField = function(index) {
 }
 
 segment.prototype.getComponent = function(fieldIndex, componentIndex) {
-  return this.fields[fieldIndex - 1].value[0][componentIndex - 1].value[0];
+  var field = this.getField(fieldIndex);
+  if (field && field[componentIndex - 1]) {
+    return field[componentIndex - 1].value[0];
+  } else {
+    return '';
+  }
 }
 
 segment.prototype.toString = function(delimiters) {