Struct DataExtension 

pub struct DataExtension;

Implementations

impl DataExtension

pub fn new() -> Self

Trait Implementations

impl Default for DataExtension

fn default() -> Self

Returns the “default value” for a type.

impl HostExtension for DataExtension

fn namespace(&self) -> &str

Sub-namespace under window.host.ext.* (e.g. “data” → window.host.ext.data)

fn channel(&self) -> &str

WKScriptMessageHandler channel name (e.g. “hostDataBridge”)

fn inject_script(&self) -> &str

JavaScript injected after HOST_API_SCRIPT. Must:

fn handle_message(&self, _method: &str, _params: &str) -> Option<String>

Handle a message from the JS bridge. method is the method name from the JS _call. params is the JSON params object as a string. Returns a serialized JSON result, or None for fire-and-forget.

fn drain_events(&self) -> Vec<HostPushEvent>

Drain queued push events destined for window.host.on(...) listeners.