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blockly > FieldLabel > doClassValidation_
FieldLabel.doClassValidation_() method
Ensure that the input value casts to a valid string.
Signature:
protected doClassValidation_(newValue?: any): string | null;
Parameters
| Parameter |
Type |
Description |
| newValue |
any |
(Optional) The input value. |
Returns:
string | null
A valid string, or null if invalid.
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["`FieldLabel.doClassValidation_()` is a protected method used to validate input values for FieldLabel instances, ensuring they can be cast to strings."],["It accepts an optional `newValue` parameter of any type and returns a valid string if the input is valid, otherwise returning null."],["This method is primarily used internally within Blockly for maintaining data integrity within FieldLabel objects."]]],[]]
