fix(forms): make radio button selection logic more flexible (#9646)

Closes #9558
2016-06-27 15:29:33 -06:00
parent 5cc7b41f39
commit ed0ade6f34
2 changed files with 40 additions and 0 deletions
--- a/modules/@angular/forms/src/directives/radio_control_value_accessor.ts
+++ b/modules/@angular/forms/src/directives/radio_control_value_accessor.ts
@ -51,6 +51,7 @@ export class RadioControlRegistry {

  private _isSameGroup(
      controlPair: [NgControl, RadioControlValueAccessor], accessor: RadioControlValueAccessor) {
+    if (!controlPair[0].control) return false;
    return controlPair[0].control.root === accessor._control.control.root &&
        controlPair[1].name === accessor.name;
  }