cad-editor/src/sys.rs

// Small platform shims for things the desktop build does natively but the web
// (wasm) build must handle differently or skip.

/// Open a URL in the user's browser. The desktop launches the default handler;
/// the web opens a new tab (the button click is a user gesture, so it isn't
/// caught by the pop-up blocker). Focus of the opened page is left to the
/// OS / browser.
#[cfg(not(target_arch = "wasm32"))]
pub fn open_url(url: &str) {
    let _ = open::that(url);
}

#[cfg(target_arch = "wasm32")]
pub fn open_url(url: &str) {
    if let Some(window) = web_sys::window() {
        let _ = window.open_with_url_and_target(url, "_blank");
    }
}

/// Turn an `rfd` file handle into a `PathBuf` the rest of the app keys on.
///
/// Desktop returns the real filesystem path. The browser has no path, so we
/// synthesize one from the file name — enough for the app to compile and track
/// the document name; actual byte I/O on the web reads the handle directly
/// (a follow-up).
#[cfg(not(target_arch = "wasm32"))]
pub fn handle_path(h: &rfd::FileHandle) -> std::path::PathBuf {
    h.path().to_path_buf()
}

#[cfg(target_arch = "wasm32")]
pub fn handle_path(h: &rfd::FileHandle) -> std::path::PathBuf {
    std::path::PathBuf::from(h.file_name())
}