源文件超过50行，已替换为不超过50行的伪代码。辅助函数为逻辑抽象，不直接执行。
1async function openModalFromUrl(url) {2 const name = url.searchParams.get("modal");3 const definition = modalRegistry[name];4 if (!definition) return;56 const props = readModalParams(url, definition);7 const restricted = checkModalRestriction(definition);8 modalState.set({ name, props, restricted, loading: true });910 try {11 const module = await definition.loadComponent();12 modalState.setComponent(module.default);13 } catch (error) {14 modalState.setError(error);15 } finally {16 modalState.setLoading(false);17 }18}1920function closeModal() {21 const modal = modalState.current;22 modal.definition.onClose?.();23 if (!modal.definition.persistent) removeModalFromUrl();24}2526function disposeModalHost() {27 removeKeyboardListeners();28}29// 此处未补造异步模块的过期结果保护。已确认说明
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