How can I convert JsString into &str in Rust WASM?

Question

How can I convert an instance of type js_sys::JsString into &str within Rust WebAssembly code?

Background: I'd like to convert the code found in this SO answer into Rust. I struggle to pass the output of js_sys::encode_uri_component as the value parameter to web_sys::Element::set_attribute:

let url = JsString::from("data:text/plain;charset=utf-8,");
url = url.concat(&js_sys::encode_uri_component(&text));

let anchor = document.create_element("a")
    .and_then(|elm| elm.dyn_into::<web_sys::HtmlElement>())?;
anchor.set_attribute("href", &url)?;  // Error: expected `str`, found struct `js_sys::JsString`
// ...

@Shepmaster: That works fine indeed. No idea why I didn't try it that way. Please add the comment as an answer so I can mark it as accepted. — blerontin, Nov 16 '20 at 15:20

score 3 · Accepted Answer · answered Feb 02 '21 at 10:41

3

As indicated by user Shepmaster in the question comments above the solution is that simple:

let x: String = url.into()

answered Feb 02 '21 at 10:41

blerontin

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How can I convert JsString into &str in Rust WASM?

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