XFA - Don't bind a form node with an empty value when the data node doesn't exist

src/core/xfa/bind.js

@@ -577,6 +577,10 @@ class Binder {
  // what we've in template.
  match = new XmlObject(dataNode[$namespaceId], child.name);
  dataNode[$appendChild](match);
+
+ // Don't bind the value in newly created node because it's empty.
+ this._bindElement(child, match);
+ continue;
  }
  match = [match];
  }

test/unit/xfa_parser_spec.js

@@ -749,6 +749,66 @@ describe("XFAParser", function () {
  ).toBe("xyz");
  });
 
+ it("should make a basic binding and create a non-existing node", function () {
+ const xml = `
+<?xml version="1.0"?>
+<xdp:xdp xmlns:xdp="http://ns.adobe.com/xdp/">
+ <template xmlns="http://www.xfa.org/schema/xfa-template/3.3">
+ <subform name="A" mergeMode="matchTemplate">
+ <subform name="B">
+ <field name="C">
+ </field>
+ <field name="D">
+ <value>
+ <text>foobar</text>
+ </value>
+ </field>
+ </subform>
+ </subform>
+ </template>
+ <xfa:datasets xmlns:xfa="http://www.xfa.org/schema/xfa-data/1.0/">
+ <xfa:data>
+ <A>
+ </A>
+ </xfa:data>
+ </xfa:datasets>
+</xdp:xdp>
+ `;
+ const root = new XFAParser().parse(xml);
+ const binder = new Binder(root);
+ const form = binder.bind();
+ const data = binder.getData();
+
+ expect(
+ searchNode(form, form, "A.B.D.value.text")[0][$dump]().$content
+ ).toBe("foobar");
+
+ const expected = {
+ $name: "A",
+ attributes: {},
+ children: [
+ {
+ $name: "B",
+ attributes: {},
+ children: [
+ {
+ $name: "C",
+ attributes: {},
+ children: [],
+ },
+ {
+ $name: "D",
+ attributes: {},
+ children: [],
+ },
+ ],
+ },
+ ],
+ };
+
+ expect(searchNode(data, data, "A")[0][$dump]()).toEqual(expected);
+ });
+
  it("should make another basic binding", function () {
  const xml = `
 <?xml version="1.0"?>