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Contents
//! Bindings to the JS API.
use wasm_bindgen::prelude::wasm_bindgen;
use wasm_bindgen::{JsCast, JsValue};
#[wasm_bindgen]
extern "C" {
/// Type for the [global object](https://developer.mozilla.org/en-US/docs/Glossary/Global_object).
type Global;
/// Returns the [`Performance`](https://developer.mozilla.org/en-US/docs/Web/API/Performance) object.
#[wasm_bindgen(method, getter)]
fn performance(this: &Global) -> JsValue;
/// Type for the [`Performance` object](https://developer.mozilla.org/en-US/docs/Web/API/Performance).
pub(super) type Performance;
/// Binding to [`Performance.now()`](https://developer.mozilla.org/en-US/docs/Web/API/Performance/now).
#[wasm_bindgen(method)]
pub(super) fn now(this: &Performance) -> f64;
/// Binding to [`Performance.timeOrigin`](https://developer.mozilla.org/en-US/docs/Web/API/Performance/timeOrigin).
#[cfg(target_feature = "atomics")]
#[wasm_bindgen(method, getter, js_name = timeOrigin)]
pub(super) fn time_origin(this: &Performance) -> f64;
}
thread_local! {
pub(super) static PERFORMANCE: Performance = {
let global: Global = js_sys::global().unchecked_into();
let performance = global.performance();
if performance.is_undefined() {
panic!("`Performance` object not found")
} else {
performance.unchecked_into()
}
};
}
Version data entries
12 entries across 12 versions & 1 rubygems