Function assertDictionary

assertDictionary<T>(value, message?): asserts value is Dictionary<T>
Narrows an unknown value to a Dictionary<T> if it is type-compatible and tests positively with isDictionary, or raises an error otherwise.
Type Parameters
- T = unknown
Parameters
- value: unknown
  The value to test.
- Optionalmessage: string
  The error message to use if value is not type-compatible.
Returns asserts value is Dictionary<T>
Throws
AssertionFailedError If the value was undefined.
- Defined in narrowing/assert.ts:131