Genarrative/apps/ai-game-creator-shell/src-tauri/src/context_menu.rs

#[cfg(not(test))]
mod runtime;
#[cfg(not(test))]
pub(crate) use runtime::init;

/// Release 客户端只取消浏览器的默认上下文菜单。
///
/// 这里刻意只调用 `preventDefault`：`contextmenu` 事件仍会继续沿 DOM
/// 传播，业务组件可以照常接收并打开自己的菜单。捕获阶段用于覆盖没有
/// 自己右键处理的页面空白区域，但不会调用 `stopPropagation`。
const RELEASE_CONTEXT_MENU_INIT_SCRIPT: &str = r#"
document.addEventListener(
    'contextmenu',
    (event) => {
        event.preventDefault();
    },
    true,
);
"#;

fn context_menu_init_script(is_release: bool) -> Option<&'static str> {
    is_release.then_some(RELEASE_CONTEXT_MENU_INIT_SCRIPT)
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn release_build_gets_a_context_menu_init_script() {
        assert_eq!(
            context_menu_init_script(true),
            Some(RELEASE_CONTEXT_MENU_INIT_SCRIPT)
        );
    }

    #[test]
    fn debug_build_keeps_the_default_context_menu_strategy_untouched() {
        assert_eq!(context_menu_init_script(false), None);
    }

    #[test]
    fn init_script_prevents_only_the_default_action() {
        let script = RELEASE_CONTEXT_MENU_INIT_SCRIPT;
        assert!(script.contains("contextmenu"));
        assert!(script.contains("event.preventDefault()"));
        assert!(script.contains("true"));
        assert!(!script.contains("stopPropagation"));
        assert!(!script.contains("stopImmediatePropagation"));
    }
}