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Function: hasProperty()

function hasProperty<K>(
    value: unknown,
    property: K
): value is Record<K, unknown> & UnknownRecord;

Defined in: shared/utils/typeGuards.ts:90

Checks if a value exposes a specific own property.

Type Parameters​

K​

K extends PropertyKey

Property key that must exist on the value.

Parameters​

value​

unknown

Value to evaluate as an object.

property​

K

Property name that must be present on the value.

Returns​

value is Record<K, unknown> & UnknownRecord

true when the property exists directly on the value.

Example​

if (hasProperty(obj, "foo")) {
    // obj has the 'foo' property
}