INNER CODE UNIT · Rust

eval

keon/browser-control · src/cdp.rs:50

    pub async fn eval(&mut self, expression: &str) -> Result<Value> {
        let expression = js::wrap_return(expression);
        let r = self
            .call(
                "Runtime.evaluate",
                json!({"expression":expression,"awaitPromise":true,"returnByValue":true}),
                true,
            )
            .await?;
        if let Some(e) = r.get("exceptionDetails") {
            bail!("eval exception: {}", js_exception(e))
        }
        Ok(r["result"]
            .get("value")
            .cloned()
            .unwrap_or_else(|| r["result"].clone()))
    }

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