53 lines
1.3 KiB
Rust
53 lines
1.3 KiB
Rust
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use super::*;
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use core::sync::atomic::{AtomicI8, Ordering};
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use js_sys::{global, Reflect};
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#[wasm_bindgen]
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extern "C" {
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// Use `js_namespace` here to bind `console.log(..)` instead of just
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// `log(..)`
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#[wasm_bindgen(js_namespace = console, js_name = log)]
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pub fn console_log(s: &str);
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#[wasm_bindgen]
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pub fn alert(s: &str);
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}
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pub fn is_browser() -> bool {
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static CACHE: AtomicI8 = AtomicI8::new(-1);
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let cache = CACHE.load(Ordering::Relaxed);
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if cache != -1 {
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return cache != 0;
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}
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let res = Reflect::has(&global().as_ref(), &"window".into()).unwrap_or_default();
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CACHE.store(res as i8, Ordering::Relaxed);
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res
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}
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// pub fn is_browser_https() -> bool {
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// static CACHE: AtomicI8 = AtomicI8::new(-1);
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// let cache = CACHE.load(Ordering::Relaxed);
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// if cache != -1 {
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// return cache != 0;
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// }
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// let res = js_sys::eval("window.location.protocol === 'https'")
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// .map(|res| res.is_truthy())
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// .unwrap_or_default();
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// CACHE.store(res as i8, Ordering::Relaxed);
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// res
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// }
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#[derive(ThisError, Debug, Clone, Eq, PartialEq)]
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#[error("JsValue error")]
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pub struct JsValueError(String);
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pub fn map_jsvalue_error(x: JsValue) -> JsValueError {
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JsValueError(x.as_string().unwrap_or_default())
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}
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