27 lines
880 B
Rust
27 lines
880 B
Rust
//! Utilities specific to websys
|
|
|
|
use dioxus_core::*;
|
|
|
|
/// Get a closure that executes any JavaScript in the webpage.
|
|
///
|
|
/// # Safety
|
|
///
|
|
/// Please be very careful with this function. A script with too many dynamic
|
|
/// parts is practically asking for a hacker to find an XSS vulnerability in
|
|
/// it. **This applies especially to web targets, where the JavaScript context
|
|
/// has access to most, if not all of your application data.**
|
|
///
|
|
/// # Panics
|
|
///
|
|
/// The closure will panic if the provided script is not valid JavaScript code
|
|
/// or if it returns an uncaught error.
|
|
pub fn use_eval<S: std::string::ToString>(cx: &ScopeState) -> &dyn Fn(S) {
|
|
cx.use_hook(|_| {
|
|
|script: S| {
|
|
js_sys::Function::new_no_args(&script.to_string())
|
|
.call0(&wasm_bindgen::JsValue::NULL)
|
|
.expect("failed to eval script");
|
|
}
|
|
})
|
|
}
|