Improve error-related components

components/generic/errors/boundaries.tsx

@@ -1,6 +1,6 @@
 import { Component, ErrorInfo, ReactNode } from "react";
 import { ViewNotice } from "../views/notice";
-import { ErrorBlock, ErrorMain } from "./renderers";
+import { ErrorBlock, ErrorInline, ErrorMain, ErrorView } from "./renderers";
 
 
 export type ErrorBoundaryProps = {
@@ -20,7 +20,7 @@ export type ErrorBoundaryState = {
  * 
  * To be used in `pages/_app`.
  */
-export class ErrorBoundaryPage extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
+export class ErrorBoundaryView extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
     constructor(props: ErrorBoundaryProps) {
         super(props)
         this.state = { error: undefined, errorInfo: undefined }
@@ -35,11 +35,7 @@ export class ErrorBoundaryPage extends Component<ErrorBoundaryProps, ErrorBounda
     render() {
         if (this.state.error) {
             return (
-                <ViewNotice
-                    notice={
-                        <ErrorMain text={this.props.text} error={this.state.error} />
-                    }
-                />
+                <ErrorView text={this.props.text} error={this.state.error} />
             )
         }
         else {
@@ -76,4 +72,34 @@ export class ErrorBoundaryBlock extends Component<ErrorBoundaryProps, ErrorBound
             return this.props.children
         }
     }
+}
+
+
+/**
+ * Error boundary component which displays an {@link ErrorInline} containing the occurred error inside.
+ * 
+ * To be used in other components.
+ */
+export class ErrorBoundaryInline extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
+    constructor(props: ErrorBoundaryProps) {
+        super(props)
+        this.state = { error: undefined, errorInfo: undefined }
+    }
+
+    componentDidCatch(error: Error, errorInfo: ErrorInfo) {
+        this.setState(state => {
+            return { ...state, error, errorInfo }
+        })
+    }
+
+    render() {
+        if (this.state.error) {
+            return (
+                <ErrorInline text={this.props.text} error={this.state.error} />
+            )
+        }
+        else {
+            return this.props.children
+        }
+    }
 }

components/generic/errors/renderers.tsx

@@ -5,6 +5,7 @@ import style from "./renderers.module.css"
 import mood from "../../../styles/mood.module.css"
 import { ComponentPropsWithoutRef, memo } from "react";
 import { AxiosError } from "axios";
+import { ViewNotice } from "../views/notice";
 
 
 /**
@@ -149,13 +150,15 @@ ErrorBlock.displayName = "ErrorBlock"
  * 
  * It displays an inline error {@link FestaIcon}, followed by some **required** text, with the {@link ErrorTrace} below.
  */
-export const ErrorMain = memo(({ error, text }: ErrorProps & { text: string }) => {
+export const ErrorMain = memo(({ error, text }: ErrorProps) => {
     return (
         <div className={classNames(mood.negative, style.error, style.errorMain)}>
             <FestaIcon icon={faCircleExclamation} className={style.errorIcon} />
-            <p className={style.errorText}>
-                {text}
-            </p>
+            {text &&
+                <p className={style.errorText}>
+                    {text}
+                </p>
+            }
             <pre>
                 <ErrorTrace error={error} prettify={false} className={style.errorTrace} />
             </pre>
@@ -163,3 +166,15 @@ export const ErrorMain = memo(({ error, text }: ErrorProps & { text: string }) =
     )
 })
 ErrorMain.displayName = "ErrorMain"
+
+
+/**
+ * {@link ViewNotice} component for rendering {@link ErrorMain}.
+ */
+export const ErrorView = memo((props: ErrorProps) => {
+    return (
+        <ViewNotice
+            notice={<ErrorMain {...props} />}
+        />
+    )
+})

pages/_app.tsx

@@ -3,7 +3,7 @@ import '@fortawesome/fontawesome-svg-core/styles.css'
 import { AppProps } from 'next/app'
 import { appWithTranslation, useTranslation } from 'next-i18next'
 import { AxiosSWRFetcherProvider } from '../components/auth/requests'
-import { ErrorBoundaryPage } from '../components/generic/errors/boundaries'
+import { ErrorBoundaryView } from '../components/generic/errors/boundaries'
 import { AuthContextProvider } from '../components/auth/provider'
 import { PostcardRenderer } from '../components/postcard/renderer'
 import { config as fontAwesomeConfig } from '@fortawesome/fontawesome-svg-core'
@@ -19,22 +19,22 @@ const App = ({ Component, pageProps }: AppProps): JSX.Element => {
     const { t } = useTranslation()
 
     return (
-        <ErrorBoundaryPage text={t("genericError")}>
+        <ErrorBoundaryView text={t("genericError")}>
             <AxiosSWRFetcherProvider>
                 <PostcardContextProvider defaultPostcard={defaultPostcard}>
                     <AuthContextProvider storageKey="auth">
                         <AxiosSWRFetcherProvider>
                             <PostcardRenderer />
-                            <ErrorBoundaryPage text={t("genericError")}>
+                            <ErrorBoundaryView text={t("genericError")}>
                                 <LoadingBoundaryPage>
                                     <Component {...pageProps} />
                                 </LoadingBoundaryPage>
-                            </ErrorBoundaryPage>
+                            </ErrorBoundaryView>
                         </AxiosSWRFetcherProvider>
                     </AuthContextProvider>
                 </PostcardContextProvider>
             </AxiosSWRFetcherProvider>
-        </ErrorBoundaryPage>
+        </ErrorBoundaryView>
     )
 }