31 lines
854 B
TypeScript
31 lines
854 B
TypeScript
import { createContext, useCallback, useContext, useRef, useState } from "react";
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import type { PropsWithChildren } from "react";
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interface ToastCtx {
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show: (message: string) => void;
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}
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const Ctx = createContext<ToastCtx>({ show: () => {} });
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export function ToastProvider({ children }: PropsWithChildren) {
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const [message, setMessage] = useState<string | null>(null);
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const timer = useRef<ReturnType<typeof setTimeout> | null>(null);
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const show = useCallback((msg: string) => {
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setMessage(msg);
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if (timer.current) clearTimeout(timer.current);
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timer.current = setTimeout(() => setMessage(null), 2800);
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}, []);
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return (
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<Ctx.Provider value={{ show }}>
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{children}
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{message && <div className="toast">{message}</div>}
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</Ctx.Provider>
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);
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}
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export function useToast(): ToastCtx {
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return useContext(Ctx);
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}
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