fix(platform-browser): support 0/false/null values in transfer_state (#22179)

Issue #22178 PR Close #22179
2018-02-12 16:03:53 -05:00
parent 16d1700a8e
commit 6435ecd3c6
2 changed files with 24 additions and 1 deletions
--- a/packages/platform-browser/src/browser/transfer_state.ts
+++ b/packages/platform-browser/src/browser/transfer_state.ts
@ -93,7 +93,9 @@ export class TransferState {
  /**
   * Get the value corresponding to a key. Return `defaultValue` if key is not found.
   */
-  get<T>(key: StateKey<T>, defaultValue: T): T { return this.store[key] as T || defaultValue; }
+  get<T>(key: StateKey<T>, defaultValue: T): T {
+    return this.store[key] !== undefined ? this.store[key] as T : defaultValue;
+  }

  /**
   * Set the value corresponding to a key.