Derive Macro TryFromJsValue 

#[derive(TryFromJsValue)]

Derives a TryFrom<&JsValue> for a type exported using #[wasm_bindgen].

Note that:

• this derivation must be be positioned before #[wasm_bindgen];
• the type must implement [Clone].

The macro is authored by @AlexKorn based on the idea of @aweinstock314. See this and this GitHub comments.