feat(console): add global loading skeleton

packages/console/src/pages/JwtClaims/CodeEditorLoadingContext.ts

@@ -0,0 +1,20 @@
+/**
+ * This context is used to share the loading state of the code editor with the root page.
+ *
+ * 1. First code editor won't be rendered until the fetch API is returned.
+ * 2. After the code editor is mounted, multiple async operations will be triggered to load the monaco editor.
+ * 3. We need to mount the code editor component will keep the loading state until the monaco editor is ready.
+ */
+
+import { noop } from '@silverhand/essentials';
+import { createContext } from 'react';
+
+type CodeEditorLoadingContextType = {
+  isMonacoLoaded: boolean;
+  setIsMonacoLoaded: (isLoading: boolean) => void;
+};
+
+export const CodeEditorLoadingContext = createContext<CodeEditorLoadingContextType>({
+  isMonacoLoaded: false,
+  setIsMonacoLoaded: noop,
+});

packages/console/src/pages/JwtClaims/Main.tsx

@@ -20,6 +20,7 @@ import { type JwtClaimsFormType } from './type';
 import { formatResponseDataToFormData, formatFormDataToRequestData, getApiPath } from './utils';
 
 type Props = {
+  className?: string;
   tab: LogtoJwtTokenPath;
   accessTokenJwtCustomizer: AccessTokenJwtCustomizer | undefined;
   clientCredentialsJwtCustomizer: ClientCredentialsJwtCustomizer | undefined;
@@ -28,6 +29,7 @@ type Props = {
 };
 
 function Main({
+  className,
   tab,
   accessTokenJwtCustomizer,
   clientCredentialsJwtCustomizer,
@@ -87,7 +89,7 @@ function Main({
   return (
     <>
       <FormProvider {...activeForm}>
-        <form className={classNames(styles.tabContent)}>
+        <form className={classNames(styles.tabContent, className)}>
           <ScriptSection />
           <SettingsSection />
         </form>

packages/console/src/pages/JwtClaims/MonacoCodeEditor/index.tsx

@@ -25,6 +25,7 @@ type Props = {
   setActiveModel?: (name: string) => void;
   value?: string;
   onChange?: (value: string | undefined) => void;
+  onMountHandler?: (editor: IStandaloneCodeEditor) => void;
 };
 /**
  * Monaco code editor component.
@@ -47,6 +48,7 @@ function MonacoCodeEditor({
   value,
   setActiveModel,
   onChange,
+  onMountHandler,
 }: Props) {
   const monaco = useMonaco();
   const editorRef = useRef<Nullable<IStandaloneCodeEditor>>(null);
@@ -84,10 +86,14 @@ function MonacoCodeEditor({
     monaco.editor.defineTheme('logto-dark', logtoDarkTheme);
   }, []);
 
-  const handleEditorDidMount = useCallback<OnMount>((editor) => {
-    // eslint-disable-next-line @silverhand/fp/no-mutation
-    editorRef.current = editor;
-  }, []);
+  const handleEditorDidMount = useCallback<OnMount>(
+    (editor) => {
+      // eslint-disable-next-line @silverhand/fp/no-mutation
+      editorRef.current = editor;
+      onMountHandler?.(editor);
+    },
+    [onMountHandler]
+  );
 
   return (
     <div className={classNames(className, styles.codeEditor)}>

packages/console/src/pages/JwtClaims/PageLoadingSkeleton/index.module.scss

@@ -0,0 +1,32 @@
+@use '@/scss/underscore' as _;
+
+.blockShimmer {
+  @include _.shimmering-animation;
+  border-radius: 8px;
+  flex: 1;
+}
+
+.card:not(:last-child) {
+  margin-bottom: _.unit(4);
+}
+
+
+.textShimmer {
+  @include _.shimmering-animation;
+  width: 100%;
+  height: _.unit(6);
+  border-radius: 8px;
+
+  &:not(:last-child) {
+    margin-bottom: _.unit(4);
+  }
+
+  &.title {
+    width: _.unit(30);
+  }
+
+  &.large {
+    height: _.unit(8);
+  }
+}
+

packages/console/src/pages/JwtClaims/PageLoadingSkeleton/index.tsx

@@ -0,0 +1,46 @@
+import { LogtoJwtTokenPath } from '@logto/schemas';
+import classNames from 'classnames';
+
+import Card from '@/ds-components/Card';
+
+import * as pageLayoutStyles from '../index.module.scss';
+
+import * as styles from './index.module.scss';
+
+type Props = {
+  tokenType: LogtoJwtTokenPath;
+};
+
+function PageLoadingSkeleton({ tokenType }: Props) {
+  return (
+    <div className={pageLayoutStyles.tabContent}>
+      <Card className={pageLayoutStyles.codePanel}>
+        <div className={classNames(styles.textShimmer, styles.title)} />
+        <div className={styles.blockShimmer} />
+      </Card>
+      <div>
+        <div className={classNames(styles.textShimmer, styles.large)} />
+        <Card className={styles.card}>
+          <div className={classNames(styles.textShimmer, styles.title)} />
+          <div className={styles.textShimmer} />
+        </Card>
+        <Card className={styles.card}>
+          <div className={classNames(styles.textShimmer, styles.title)} />
+          <div className={styles.textShimmer} />
+        </Card>
+        <Card className={styles.card}>
+          <div className={classNames(styles.textShimmer, styles.title)} />
+          <div className={styles.textShimmer} />
+        </Card>
+        {tokenType === LogtoJwtTokenPath.AccessToken && (
+          <Card className={styles.card}>
+            <div className={styles.textShimmer} />
+            <div className={styles.textShimmer} />
+          </Card>
+        )}
+      </div>
+    </div>
+  );
+}
+
+export default PageLoadingSkeleton;

packages/console/src/pages/JwtClaims/ScriptSection.tsx

@@ -1,11 +1,12 @@
 /* Code Editor for the custom JWT claims script. */
 import { LogtoJwtTokenPath } from '@logto/schemas';
-import { useMemo } from 'react';
+import { useMemo, useContext, useCallback } from 'react';
 import { useFormContext, Controller } from 'react-hook-form';
 import { useTranslation } from 'react-i18next';
 
 import Card from '@/ds-components/Card';
 
+import { CodeEditorLoadingContext } from './CodeEditorLoadingContext';
 import MonacoCodeEditor, { type ModelSettings } from './MonacoCodeEditor';
 import { userJwtFile, machineToMachineJwtFile } from './config';
 import * as styles from './index.module.scss';
@@ -22,11 +23,17 @@ function ScriptSection() {
   const { watch, control } = useFormContext<JwtClaimsFormType>();
   const tokenType = watch('tokenType');
 
+  const { setIsMonacoLoaded } = useContext(CodeEditorLoadingContext);
+
   const activeModel = useMemo<ModelSettings>(
     () => (tokenType === LogtoJwtTokenPath.AccessToken ? userJwtFile : machineToMachineJwtFile),
     [tokenType]
   );
 
+  const onMountHandler = useCallback(() => {
+    setIsMonacoLoaded(true);
+  }, [setIsMonacoLoaded]);
+
   return (
     <Card className={styles.codePanel}>
       <div className={styles.cardTitle}>
@@ -56,6 +63,7 @@ function ScriptSection() {
 
               onChange(newValue);
             }}
+            onMountHandler={onMountHandler}
           />
         )}
       />

packages/console/src/pages/JwtClaims/index.module.scss

@@ -44,3 +44,7 @@
     flex-grow: 1;
   }
 }
+
+.hidden {
+  display: none;
+}

packages/console/src/pages/JwtClaims/index.tsx

@@ -1,11 +1,14 @@
 import { withAppInsights } from '@logto/app-insights/react/AppInsightsReact';
 import { LogtoJwtTokenPath } from '@logto/schemas';
+import { useMemo, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 
 import CardTitle from '@/ds-components/CardTitle';
 import TabNav, { TabNavItem } from '@/ds-components/TabNav';
 
+import { CodeEditorLoadingContext } from './CodeEditorLoadingContext';
 import Main from './Main';
+import PageLoadingSkeleton from './PageLoadingSkeleton';
 import * as styles from './index.module.scss';
 import useJwtCustomizer from './use-jwt-customizer';
 
@@ -24,6 +27,12 @@ function JwtClaims({ tab }: Props) {
   const { t } = useTranslation(undefined, { keyPrefix: 'admin_console' });
 
   const { isLoading, ...rest } = useJwtCustomizer();
+  const [isMonacoLoaded, setIsMonacoLoaded] = useState(false);
+
+  const codeEditorContextValue = useMemo(
+    () => ({ isMonacoLoaded, setIsMonacoLoaded }),
+    [isMonacoLoaded]
+  );
 
   return (
     <div className={styles.container}>
@@ -39,8 +48,13 @@ function JwtClaims({ tab }: Props) {
           </TabNavItem>
         ))}
       </TabNav>
-      {/* TODO: Loading skelton */}
-      {!isLoading && <Main tab={tab} {...rest} />}
+      {(isLoading || !isMonacoLoaded) && <PageLoadingSkeleton tokenType={tab} />}
+
+      {!isLoading && (
+        <CodeEditorLoadingContext.Provider value={codeEditorContextValue}>
+          <Main tab={tab} {...rest} className={isMonacoLoaded ? undefined : styles.hidden} />
+        </CodeEditorLoadingContext.Provider>
+      )}
     </div>
   );
 }