19 lines
539 B
TypeScript
19 lines
539 B
TypeScript
type FloatingToastListener = (message: string) => void;
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const listeners = new Set<FloatingToastListener>();
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export function registerFloatingToastListener(fn: FloatingToastListener) {
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listeners.add(fn);
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return () => {
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listeners.delete(fn);
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};
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}
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/** 已有页面宿主时返回 true，否则调用方应回退到原生 toast */
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export function showFloatingToast(message: string): boolean {
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const text = message.trim();
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if (!text || listeners.size === 0) return false;
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listeners.forEach((fn) => fn(text));
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return true;
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}
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