fix(common): properly take className changes into account (#21937)

Fixes #21932 PR Close #21937
2018-01-31 17:57:37 +01:00
parent 5c8340aae0
commit 4a426696c9
2 changed files with 12 additions and 1 deletions
--- a/packages/common/src/directives/ng_class.ts
+++ b/packages/common/src/directives/ng_class.ts
@ -126,7 +126,7 @@ export class NgClass implements DoCheck {
        (<any>rawClassVal).forEach((klass: string) => this._toggleClass(klass, !isCleanup));
      } else {
        Object.keys(rawClassVal).forEach(klass => {
-          if (rawClassVal[klass] != null) this._toggleClass(klass, !isCleanup);
+          this._toggleClass(klass, isCleanup ? false : !!rawClassVal[klass]);
        });
      }
    }