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/*
* SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { useState } from "react";
type ToastContent = string;
export type ToastNotice = {
content: ToastContent;
timestamp: number;
level: ToastNoticeLevel;
};
export type ToastNoticeLevel = "fatal" | "warning";
/**
* A custom React hook to manage "toast" notices. These notices appear in the web UI as
* popup messages. The toasts must be rendered by the <ToastNotices /> component
*/
export default function useToastNotices(): {
toasts: ToastNotice[];
addToast: (newToast: ToastContent, level: ToastNoticeLevel) => void;
// Shortcut for adding a fatal error toast
fatal: (error: Error) => void;
} {
const [toasts, setToasts] = useState<ToastNotice[]>([]);
function addToast(newToastContent: ToastContent, level: ToastNoticeLevel) {
const newToast = {
content: newToastContent,
timestamp: Date.now(),
level,
};
setToasts([...toasts, newToast]);
}
function fatal(error: Error) {
addToast(error.message, "fatal");
}
return { toasts, addToast, fatal };
}
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