blockly > FieldDropdownValidator
FieldDropdownValidator type
A function that is called to validate changes to the field's value before they are set.
Signature:
export type FieldDropdownValidator = FieldValidator<string>;
References: FieldValidator
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Last updated 2024-09-18 UTC.
[null,null,["Last updated 2024-09-18 UTC."],[[["`FieldDropdownValidator` is a type alias for a function used to validate changes to a dropdown field's value."],["This function takes a string (the new value) and returns `string | null`, where returning `null` indicates that the change is valid."],["It leverages `FieldValidator` for its core functionality."]]],[]]