[Solved] Identify the error in this Angular code using TransferState:const DATA_KEY =... Identify the error in this Angular code using TransferState:const DATA_KEY = makeStateKey('data'); | Angular

Angular - Server-Side Rendering

Identify the error in this Angular code using TransferState:

const DATA_KEY = makeStateKey('data');
this.transferState.set(DATA_KEY, { value: 42 });
const data = this.transferState.get('DATA_KEY', null);

AThe key passed to get() should be the StateKey object, not a string

BThe set() method cannot store objects, only strings

CmakeStateKey should not be used for keys

DtransferState cannot be used outside ngOnInit

Step-by-Step Solution

Solution:

Step 1: Check key usage in get()
The get method requires the same StateKey object used in set, not a string.
Step 2: Validate other statements
Objects can be stored, makeStateKey is correct, and transferState can be used anytime in component lifecycle.
Final Answer:
The key passed to get() should be the StateKey object, not a string -> Option A
Quick Check:
Use same StateKey object for set and get [OK]

Quick Trick: Pass StateKey object, not string, to get() [OK]

Common Mistakes:

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