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blockly > Field > fromJson
Field.fromJson() method
Subclasses should reimplement this method to construct their Field subclass from a JSON arg object.
It is an error to attempt to register a field subclass in the FieldRegistry if that subclass has not overridden this method.
Signature:
static fromJson(_options: FieldConfig): Field;
Parameters
| Parameter |
Type |
Description |
| _options |
FieldConfig |
JSON configuration object with properties needed to configure a specific field. |
Returns:
Field
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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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18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."],[[["The `Field.fromJson()` method is used to create Field subclasses from a JSON object and should be reimplemented by all subclasses."],["Field subclasses must override `fromJson()` to be registered in the FieldRegistry."],["This method takes a FieldConfig object containing configuration properties and returns a new Field instance."]]],[]]
