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isBigIntConstraint()

isBigIntConstraint(schema): schema is BigIntConstraint

Type guard for BigIntConstraint. Checks that the schema is a bigint type and has constraint methods.

Parameters​

schema: GenericSchema​

The schema to check

Returns: schema is BigIntConstraint​

True if the schema is a BigIntConstraint with constraint methods

Since​

2.0.0

Example​

const schema = bigint().min(0n);
if (isBigIntConstraint(schema)) {
  // schema is narrowed to BigIntConstraint
  schema.max(100n); // constraint methods available
}