Function napi_create_external_arraybuffer 

pub unsafe extern "C" fn napi_create_external_arraybuffer(
    env: napi_env,
    external_data: *mut c_void,
    byte_length: usize,
    finalize_cb: napi_finalize,
    finalize_hint: *mut c_void,
    result: *mut napi_value,
) -> napi_status

Available on crate feature napi only.

The underlying data that ArrayBuffer point to.

Arguments

• env - Current running virtual machine context.

• external_data - Allocates an ArkTS value that references external data.

• byte_length - The length in bytes of the underlying buffer.

• finalize_cb - Optional callback to call when the ArrayBuffer is being collected.

• finalize_hint - Optional hint that can be passed to the finalize callback function during the garbage collection process.

• result - A napi_value representing an ArkTS ArrayBuffer.

Returns

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

[napi_invalid_arg] If the param env, external_data, finalize_cb and(or) result is nullptr.

[napi_pending_exception] There is an uncaught exception occurred before(in) execution.

Available since API-level: 10