Function napi_define_class 

pub unsafe extern "C" fn napi_define_class(
    env: napi_env,
    utf8name: *const c_char,
    length: usize,
    constructor: napi_callback,
    data: *mut c_void,
    property_count: usize,
    properties: *const napi_property_descriptor,
    result: *mut napi_value,
) -> napi_status

Available on crate feature napi only.

Defines an ArkTS class, including constructor function and properties.

Arguments

• env - Current running virtual machine context.

• utf8name - Name of the ArkTS constructor function.

• length - The length of the utf8name in bytes, or NAPI_AUTO_LENGTH if it is null-terminated.

• constructor - Callback function that handles constructing instances of the class.

• data - Optional data to be passed to the constructor callback as the data property of the callback info.

• property_count - Number of items in the properties array argument.

• properties - Array of property descriptors.

• result - A napi_value representing the constructor function for the class.

Returns

• Returns the function execution status. [napi_ok] If the function executed successfully. execution.

[napi_invalid_arg] If the param env, utf8name and(or) result is nullptr. If napi_property_descriptor is nullptr but property_count greater than 0.

[napi_function_expected] If the param func is not an ArkTS Function.

[napi_pending_exception] If have uncaught exception, or exception occurs in execution.

Available since API-level: 10