@graphty/graphty-element / index / isGraphtyErrorCode
Function: isGraphtyErrorCode() ​
isGraphtyErrorCode(
value):value is GraphtyErrorCode
Defined in: graphty-element/src/errors/codes.ts:493
Narrows an unknown value to a GraphtyErrorCode.
Use it on a code string that arrived from outside the element -- a sibling package's error, a saved document, a message from a worker -- before switching on it.
Parameters ​
value ​
unknown
The value to test.
Returns ​
value is GraphtyErrorCode
True when the value is one of the element's error codes.