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JavaScript@langchain/langgraphindexisStandardSchema
Function●Since v0.3

isStandardSchema

Type guard to check if a given value is a Standard Schema V1 object.

Copy
isStandardSchema<
  Input = unknown,
  Output = Input
>(schema: StandardSchemaV1<Input, Output>): schema is StandardSchemaV1<Input, Output>

A Standard Schema object is expected to have a ~standard property with a validate function. This guard does NOT check for JSON schema support.

Parameters

NameTypeDescription
schema*StandardSchemaV1<Input, Output>

The value to test.

Example

Copy
if (isStandardSchema(mySchema)) {
  const result = mySchema["~standard"].validate(input);
}
View source on GitHub