perspective-viewer 4.4.1

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// ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
// ┃ This file is part of the Perspective library, distributed under the terms ┃
// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛

use wasm_bindgen::__rt::IntoJsResult;
use wasm_bindgen::JsValue;
use wasm_bindgen_futures::future_to_promise;
use yew::prelude::*;

/// Just like `use_callback`, except convenient for an async result body.
#[hook]
pub fn use_async_callback<IN, OUT, F, D>(deps: D, f: F) -> Callback<IN, ()>
where
    IN: Clone + 'static,
    OUT: IntoJsResult + 'static,
    F: AsyncFn(IN, &D) -> OUT + 'static,
    D: Clone + PartialEq + 'static,
{
    use std::rc::Rc;

    let deps = Rc::new(deps);
    let f = Rc::new(f);
    (*use_memo(deps, move |deps| {
        let deps = deps.clone();
        let ff = move |value: IN| {
            perspective_client::clone!(value, f, deps);
            let _ = future_to_promise(async move {
                f(value, &deps).await.into_js_result()?;
                Ok(JsValue::UNDEFINED)
            });
        };
        Callback::from(ff)
    }))
    .clone()
}