fix(change detection): preserve memoized results from pure functions

2015-06-17 12:56:11 -07:00
parent b0e2ebda70
commit 5beaf6d735
5 changed files with 23 additions and 11 deletions
--- a/modules/angular2/src/transform/template_compiler/change_detector_codegen.dart
+++ b/modules/angular2/src/transform/template_compiler/change_detector_codegen.dart
@ -352,7 +352,7 @@ class _CodegenState {
    if (r.isPureFunction()) {
      // Add an "if changed guard"
      var condition = r.args.map((a) => _changeNames[a]).join(' || ');
-      return 'if ($condition) { $check }';
+      return 'if ($condition) { $check } else { $newValue = $oldValue; }';
    } else {
      return check;
    }