feat: display toasts

electron/renderer/components/layout.tsx

@@ -1,6 +1,7 @@
 import { EuiPageTemplate } from '@elastic/eui';
 import type { ReactNode } from 'react';
 import { Sidebar } from './sidebar/sidebar.jsx';
+import { ToastList } from './toast/toast-list.jsx';
 
 export interface LayoutProps {
   /**
@@ -34,6 +35,7 @@ export const Layout: React.FC<LayoutProps> = (
       </EuiPageTemplate.Sidebar>
       <EuiPageTemplate.Section paddingSize="none" grow={true}>
         {children}
+        <ToastList />
       </EuiPageTemplate.Section>
     </EuiPageTemplate>
   );

electron/renderer/components/toast/toast-list.tsx

@@ -0,0 +1,105 @@
+import { EuiGlobalToastList } from '@elastic/eui';
+import type { EuiIconType } from '@elastic/eui/src/components/icon/icon';
+import type { Toast } from '@elastic/eui/src/components/toast/global_toast_list';
+import type { ReactNode } from 'react';
+import { useState } from 'react';
+import { v4 as uuid } from 'uuid';
+import { useLogger } from '../../hooks/logger.jsx';
+import { useSubscribe } from '../../hooks/pubsub.jsx';
+
+export interface ToastListProps {
+  /**
+   * How long the toast should be displayed in milliseconds.
+   * Default is 5000ms.
+   */
+  toastLifeTimeMs?: number;
+}
+
+export interface ToastAddProps {
+  title: string;
+  text?: ReactNode;
+  type?: 'success' | 'warning' | 'danger' | 'info';
+}
+
+export const ToastList: React.FC<ToastListProps> = (
+  props: ToastListProps
+): ReactNode => {
+  const { toastLifeTimeMs = 5000 } = props;
+
+  const logger = useLogger('cmp:toast-list');
+
+  const [toasts, setToasts] = useState<Array<Toast>>([]);
+
+  useSubscribe(['toast:add'], (toastAddProps: ToastAddProps) => {
+    const { title, text, type } = toastAddProps;
+
+    let iconType: EuiIconType | undefined;
+    let color: Toast['color'] | undefined;
+
+    switch (type) {
+      case 'success':
+        iconType = 'check';
+        color = 'success';
+        break;
+      case 'warning':
+        iconType = 'warning';
+        color = 'warning';
+        break;
+      case 'danger':
+        iconType = 'error';
+        color = 'danger';
+        break;
+      case 'info':
+        // iconType = 'iInCircle';
+        color = 'primary';
+        break;
+    }
+
+    const toast: Toast = {
+      id: uuid(),
+      title,
+      text,
+      iconType,
+      color,
+    };
+
+    logger.debug('add toast', {
+      toast,
+    });
+
+    setToasts((prevToasts) => {
+      return [...prevToasts, toast];
+    });
+  });
+
+  // Callback to actually remove the toast from the list.
+  const onDismissToast = (toastToRemove: Toast) => {
+    logger.debug('dismiss toast', {
+      toast: toastToRemove,
+    });
+
+    setToasts((prevToasts) => {
+      return prevToasts.filter((toast) => {
+        return toast.id !== toastToRemove.id;
+      });
+    });
+  };
+
+  // Callback to notify that the user has cleared all toasts.
+  // For each toast that was cleared, `onDismissToast` was called already.
+  // Nothing to actually do here, just log it.
+  const onClearAllToasts = () => {
+    logger.debug('clear all toasts');
+  };
+
+  return (
+    <EuiGlobalToastList
+      toasts={toasts}
+      toastLifeTimeMs={toastLifeTimeMs}
+      dismissToast={onDismissToast}
+      onClearAllToasts={onClearAllToasts}
+    />
+  );
+};
+
+ToastList.displayName = 'ToastList';