Add safer method for text extraction from elements

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/xmlreader.js b/lib/xmlreader.js
index 51f24a7..f219d2b 100644
--- a/lib/xmlreader.js
+++ b/lib/xmlreader.js
@@ -105,6 +105,15 @@ Element.prototype.getElementsByTagName = function(name) {
     return toElementList(elements);
 };
 
+Element.prototype.text = function() {
+    if (this.children.length === 0) {
+        return "";
+    } else if (this.children.length !== 1 || this.children[0].type !== "text") {
+        throw new Error("Not implemented");
+    }
+    return this.children[0].value;
+};
+
 var elementListPrototype = {
     getElementsByTagName: function(name) {
         return toElementList(_.flatten(this.map(function(element) {