Fix Verbum comments in Query Loop

projects/packages/jetpack-mu-wpcom/changelog/allow-multiple-verbum-instances-on-one-page

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+To support adding a comment form inside a query loop

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/class-verbum-comments.php

@@ -96,7 +96,7 @@ public function verbum_render_element() {
 			$color_scheme = 'transparent';
 		}
 
-		$verbum = '<div id="comment-form__verbum" class="' . $color_scheme . '"></div>' . $this->hidden_fields();
+		$verbum = '<div class="comment-form__verbum ' . $color_scheme . '"></div>' . $this->hidden_fields();
 
 		// If the blog requires login, Verbum need to be wrapped in a <form> to work.
 		// Verbum is given `mustLogIn` to handle the login flow.
@@ -535,8 +535,12 @@ public function add_verbum_meta_data( $comment_id ) {
 	 * Get the hidden fields for the comment form.
 	 */
 	public function hidden_fields() {
+		// Ironically, get_queried_post_id doesn't work inside query loop.
+		// See: https://github.com/Automattic/wp-calypso/issues/98136
+		$queried_post    = get_post();
+		$queried_post_id = $queried_post ? $queried_post->ID : 0;
 		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
-		$post_id = isset( $_GET['postid'] ) ? intval( $_GET['postid'] ) : get_queried_object_id();
+		$post_id = isset( $_GET['postid'] ) ? intval( $_GET['postid'] ) : $queried_post_id;
 		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
 		$is_current_user_subscribed = isset( $_GET['is_current_user_subscribed'] ) ? intval( $_GET['is_current_user_subscribed'] ) : 0;
 		$nonce                      = wp_create_nonce( 'highlander_comment' );

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/EmailForm/email-form-cookie-consent.tsx

@@ -1,12 +1,18 @@
+import { useContext, useCallback } from 'preact/hooks';
 import { translate } from '../../i18n';
-import { shouldStoreEmailData } from '../../state';
+import { VerbumSignals } from '../../state';
 import { ToggleControl } from '../ToggleControl';
 
-const handleChange = ( e: boolean ) => {
-	shouldStoreEmailData.value = e;
-};
-
 export const EmailFormCookieConsent = () => {
+	const { shouldStoreEmailData } = useContext( VerbumSignals );
+
+	const handleChange = useCallback(
+		( e: boolean ) => {
+			shouldStoreEmailData.value = e;
+		},
+		[ shouldStoreEmailData ]
+	);
+
 	const label = (
 		<div className="verbum-toggle-control__label">
 			<p className="primary">

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/EmailForm/index.tsx

@@ -1,9 +1,9 @@
-import { signal, effect, batch, computed } from '@preact/signals';
+import { effect, batch, useSignal, useComputed } from '@preact/signals';
 import clsx from 'clsx';
-import { useState, useEffect } from 'preact/hooks';
+import { useState, useEffect, useContext } from 'preact/hooks';
 import { translate } from '../../i18n';
 import { Name, Website, Email } from '../../images';
-import { mailLoginData, isMailFormInvalid, shouldStoreEmailData } from '../../state';
+import { VerbumSignals } from '../../state';
 import { getUserInfoCookie, isAuthRequired } from '../../utils';
 import { NewCommentEmail } from '../new-comment-email';
 import { NewPostsEmail } from '../new-posts-email';
@@ -15,32 +15,34 @@ interface EmailFormProps {
 	shouldShowEmailForm: boolean;
 }
 
-const isValidEmail = signal( true );
-const isEmailTouched = signal( false );
-const isNameTouched = signal( false );
-const isValidAuthor = signal( true );
-const userEmail = computed( () => mailLoginData.value.email || '' );
-const userName = computed( () => mailLoginData.value.author || '' );
-const userUrl = computed( () => mailLoginData.value.url || '' );
+export const EmailForm = ( { shouldShowEmailForm }: EmailFormProps ) => {
+	const { mailLoginData, isMailFormInvalid, shouldStoreEmailData } = useContext( VerbumSignals );
 
-const validateFormData = () => {
-	const emailRegex = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i;
-	batch( () => {
-		isValidEmail.value =
-			Boolean( userEmail.value ) && Boolean( emailRegex.test( userEmail.value ) );
-		isValidAuthor.value = Boolean( userName.value.length > 0 );
-	} );
-};
+	const isValidEmail = useSignal( true );
+	const isEmailTouched = useSignal( false );
+	const isNameTouched = useSignal( false );
+	const isValidAuthor = useSignal( true );
+	const userEmail = useComputed( () => mailLoginData.value.email || '' );
+	const userName = useComputed( () => mailLoginData.value.author || '' );
+	const userUrl = useComputed( () => mailLoginData.value.url || '' );
 
-const setFormData = ( event: ChangeEvent< HTMLInputElement > ) => {
-	mailLoginData.value = {
-		...mailLoginData.peek(),
-		[ event.currentTarget.name ]: event.currentTarget.value,
+	const validateFormData = () => {
+		const emailRegex = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i;
+		batch( () => {
+			isValidEmail.value =
+				Boolean( userEmail.value ) && Boolean( emailRegex.test( userEmail.value ) );
+			isValidAuthor.value = Boolean( userName.value.length > 0 );
+		} );
+	};
+
+	const setFormData = ( event: ChangeEvent< HTMLInputElement > ) => {
+		mailLoginData.value = {
+			...mailLoginData.peek(),
+			[ event.currentTarget.name ]: event.currentTarget.value,
+		};
+		validateFormData();
 	};
-	validateFormData();
-};
 
-export const EmailForm = ( { shouldShowEmailForm }: EmailFormProps ) => {
 	const { subscribeToComment, subscribeToBlog } = VerbumComments;
 	const [ emailNewComment, setEmailNewComment ] = useState( false );
 	const [ emailNewPosts, setEmailNewPosts ] = useState( false );

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/EmailForm/style.scss

@@ -1,4 +1,4 @@
-#comment-form__verbum .verbum-subscriptions .verbum-form
+.comment-form__verbum .verbum-subscriptions .verbum-form
 {
 	.verbum-form__content {
 		// protect the button from style leaks from the site; reset all.

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/SimpleSubscribeModal/index.tsx

@@ -1,7 +1,7 @@
 import clsx from 'clsx';
-import { useEffect, useState, useRef } from 'preact/hooks';
+import { useEffect, useState, useRef, useContext } from 'preact/hooks';
 import { translate } from '../../i18n';
-import { userInfo, userLoggedIn, commentUrl, subscribeModalStatus } from '../../state';
+import { VerbumSignals } from '../../state';
 import { SimpleSubscribeModalProps } from '../../types';
 import {
 	getSubscriptionModalViewCount,
@@ -13,6 +13,7 @@ import { SimpleSubscribeModalLoggedOut } from './logged-out';
 import './style.scss';
 
 export const SimpleSubscribeModal = ( { closeModalHandler, email }: SimpleSubscribeModalProps ) => {
+	const { userInfo, userLoggedIn, commentUrl, subscribeModalStatus } = useContext( VerbumSignals );
 	const [ subscribeState, setSubscribeState ] = useState<
 		'SUBSCRIBING' | 'LOADING' | 'SUBSCRIBED'
 	>();
@@ -51,6 +52,13 @@ export const SimpleSubscribeModal = ( { closeModalHandler, email }: SimpleSubscr
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, [] );
 
+	// This is used to track how many times the modal was shown to the user.
+	useEffect( () => {
+		const userId = userInfo.value?.uid || 0;
+		const currentViewCount = getSubscriptionModalViewCount( userId );
+		setSubscriptionModalViewCount( currentViewCount + 1, userId );
+	}, [ userInfo ] );
+
 	if ( ! commentUrl.value ) {
 		// When not showing the modal, we check for modal conditions to show it.
 		// This is done to avoid subscriptionApi calls for logged out users.
@@ -69,14 +77,6 @@ export const SimpleSubscribeModal = ( { closeModalHandler, email }: SimpleSubscr
 		return null;
 	}
 
-	// This is used to track how many times the modal was shown to the user.
-	// eslint-disable-next-line react-hooks/rules-of-hooks
-	useEffect( () => {
-		const userId = userInfo.value?.uid || 0;
-		const currentViewCount = getSubscriptionModalViewCount( userId );
-		setSubscriptionModalViewCount( currentViewCount + 1, userId );
-	}, [] );
-
 	if ( subscribeState === 'LOADING' ) {
 		return (
 			<div className="verbum-simple-subscribe-modal loading-your-comments">

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/SimpleSubscribeModal/logged-in.tsx

@@ -1,13 +1,15 @@
+import { useContext } from 'preact/hooks';
 import useSubscriptionApi from '../../hooks/useSubscriptionApi';
 import { translate } from '../../i18n';
-import { subscriptionSettings, userInfo, commentUrl, subscribeModalStatus } from '../../state';
+import { VerbumSignals } from '../../state';
 import { SimpleSubscribeModalProps } from '../../types';
 import { shouldShowSubscriptionModal } from '../../utils';
 import SubscriptionModal from './subscription-modal';
 
 // This determines if the modal should be shown to the user.
 // It's called before the modal is rendered.
 export const SimpleSubscribeSetModalShowLoggedIn = () => {
+	const { subscriptionSettings, userInfo, subscribeModalStatus } = useContext( VerbumSignals );
 	const { email } = subscriptionSettings.value ?? {
 		email: {
 			send_posts: false,
@@ -27,6 +29,7 @@ export const SimpleSubscribeModalLoggedIn = ( {
 	closeModalHandler,
 }: SimpleSubscribeModalProps ) => {
 	const { setEmailPostsSubscription } = useSubscriptionApi();
+	const { userInfo, commentUrl } = useContext( VerbumSignals );
 
 	/**
 	 * Handle the subscribe button click.

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/SimpleSubscribeModal/logged-out.tsx

@@ -1,6 +1,6 @@
-import { useEffect, useState } from 'preact/hooks';
+import { useContext, useEffect, useState } from 'preact/hooks';
 import { translate } from '../../i18n';
-import { commentUrl } from '../../state';
+import { VerbumSignals } from '../../state';
 import { SimpleSubscribeModalProps } from '../../types';
 import SubscriptionModal from './subscription-modal';
 import type { ChangeEvent } from 'preact/compat';
@@ -16,6 +16,7 @@ export const SimpleSubscribeModalLoggedOut = ( {
 	const [ userEmail, setUserEmail ] = useState( '' );
 	const [ iframeUrl, setIframeUrl ] = useState( '' );
 	const [ subscribeDisabled, setSubscribeDisabled ] = useState( false );
+	const { commentUrl } = useContext( VerbumSignals );
 
 	// Only want this to run once, when email is set for the first time
 	useEffect( () => {

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/comment-footer.tsx

@@ -1,19 +1,16 @@
 import clsx from 'clsx';
+import { useContext } from 'preact/hooks';
 import { translate } from '../i18n';
-import {
-	commentParent,
-	isReplyDisabled,
-	isSavingComment,
-	isTrayOpen,
-	userLoggedIn,
-} from '../state';
+import { VerbumSignals } from '../state';
 import { SettingsButton } from './settings-button';
 
 interface CommentFooterProps {
 	toggleTray: ( event: MouseEvent ) => void;
 }
 
 export const CommentFooter = ( { toggleTray }: CommentFooterProps ) => {
+	const { commentParent, isReplyDisabled, isSavingComment, isTrayOpen, userLoggedIn } =
+		useContext( VerbumSignals );
 	return (
 		<div
 			className={ clsx( 'verbum-footer', {

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/comment-input-field.tsx

@@ -1,8 +1,9 @@
+/* global verbumBlockEditor */
 import clsx from 'clsx';
 import { forwardRef, type TargetedEvent } from 'preact/compat';
-import { useEffect, useState } from 'preact/hooks';
+import { useContext, useEffect, useState } from 'preact/hooks';
 import { translate } from '../i18n';
-import { commentParent, commentValue } from '../state';
+import { VerbumSignals } from '../state';
 import { isFastConnection } from '../utils';
 import { EditorPlaceholder } from './editor-placeholder';
 
@@ -35,6 +36,7 @@ export const CommentInputField = forwardRef(
 		{ handleOnKeyUp }: CommentInputFieldProps,
 		ref: React.MutableRefObject< HTMLTextAreaElement | null >
 	) => {
+		const { commentParent, commentValue } = useContext( VerbumSignals );
 		const [ editorState, setEditorState ] = useState< 'LOADING' | 'LOADED' | 'ERROR' >( null );
 		const [ isGBEditorEnabled, setIsGBEditorEnabled ] = useState( false );
 

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/editor-placeholder.tsx

@@ -1,9 +1,11 @@
 import clsx from 'clsx';
+import { useContext } from 'preact/hooks';
 import { translate } from '../i18n';
-import { commentParent } from '../state';
+import { VerbumSignals } from '../state';
 import { CustomLoadingSpinner } from './custom-loading-spinner';
 
 export const EditorPlaceholder = ( { onClick, loading } ) => {
+	const { commentParent } = useContext( VerbumSignals );
 	return (
 		<div
 			className="verbum-editor-wrapper"

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/logged-in.tsx

@@ -1,8 +1,9 @@
 import clsx from 'clsx';
+import { useContext } from 'preact/hooks';
 import useSubscriptionApi from '../hooks/useSubscriptionApi';
 import { translate } from '../i18n';
 import { Close } from '../images';
-import { isTrayOpen, subscriptionSettings, userInfo } from '../state';
+import { VerbumSignals } from '../state';
 import { serviceData, isFastConnection } from '../utils';
 import { NewCommentEmail } from './new-comment-email';
 import { NewPostsEmail } from './new-posts-email';
@@ -25,6 +26,7 @@ interface LoggedInProps {
 }
 
 export const LoggedIn = ( { toggleTray, logout }: LoggedInProps ) => {
+	const { isTrayOpen, subscriptionSettings, userInfo } = useContext( VerbumSignals );
 	const { setEmailPostsSubscription, setCommentSubscription, setNotificationSubscription } =
 		useSubscriptionApi();
 	const { subscribeToComment, subscribeToBlog } = VerbumComments;

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/logged-out.tsx

@@ -1,7 +1,8 @@
+import { Signal } from '@preact/signals';
 import clsx from 'clsx';
-import { useEffect, useState } from 'preact/hooks';
+import { useContext, useEffect, useState } from 'preact/hooks';
 import { translate } from '../i18n';
-import { commentParent } from '../state';
+import { VerbumSignals } from '../state';
 import { serviceData } from '../utils';
 import { EmailForm } from './EmailForm';
 
@@ -12,7 +13,7 @@ interface LoggedOutProps {
 	loginWindow: Window | null;
 }
 
-const getLoginCommentText = () => {
+const getLoginCommentText = ( commentParent: Signal ) => {
 	let defaultText = translate( 'Log in to leave a comment.' );
 	let optionalText = translate( 'Leave a comment. (log in optional)' );
 	let nameAndEmailRequired = translate(
@@ -80,13 +81,17 @@ export const LoggedOut = ( { login, canWeAccessCookies, loginWindow }: LoggedOut
 		setActiveService( service );
 	};
 
+	const { commentParent } = useContext( VerbumSignals );
+
 	return (
 		<div className="verbum-subscriptions logged-out">
 			<div className="verbum-subscriptions__wrapper">
 				<div className="verbum-subscriptions__login">
 					{ canWeAccessCookies && (
 						<>
-							<div className="verbum-subscriptions__login-header">{ getLoginCommentText() }</div>
+							<div className="verbum-subscriptions__login-header">
+								{ getLoginCommentText( commentParent ) }
+							</div>
 							<div
 								className={ clsx( 'verbum-logins', {
 									'logging-in': activeService,

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/settings-button.tsx

@@ -1,5 +1,6 @@
 import clsx from 'clsx';
-import { userInfo } from '../state';
+import { useContext } from 'preact/hooks';
+import { VerbumSignals } from '../state';
 import { hasSubscriptionOptionsVisible } from '../utils';
 
 interface SettingsButtonProps {
@@ -8,6 +9,7 @@ interface SettingsButtonProps {
 }
 
 export const SettingsButton = ( { expanded, toggleSubscriptionTray }: SettingsButtonProps ) => {
+	const { userInfo } = useContext( VerbumSignals );
 	const subscriptionOptionsVisible = hasSubscriptionOptionsVisible();
 
 	const handleOnClick = ( event: MouseEvent ) => {

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/components/types.d.ts

@@ -6,6 +6,14 @@ type ScriptLoader = {
 
 declare global {
 	const VerbumComments: VerbumCommentsType;
+	const verbumBlockEditor: {
+		attachGutenberg: (
+			textarea: HTMLTextAreaElement,
+			content: ( embedUrl: string ) => void,
+			isRtl: boolean,
+			onEmbedContent: ( embedUrl: string ) => void
+		) => void;
+	};
 	const vbeCacheBuster: string;
 	const WP_Enqueue_Dynamic_Script: ScriptLoader;
 	const wp: Record< string, unknown >;

projects/packages/jetpack-mu-wpcom/src/features/verbum-comments/src/hooks/useFormMutations.tsx

@@ -1,12 +1,15 @@
-import { useEffect } from 'preact/hooks';
-import { commentParent } from '../state';
+import { useEffect, useContext } from 'preact/hooks';
+import { VerbumSignals } from '../state';
 
 /**
  * Hook to observe comment form changes and update state according to comment_parent changes.
+ *
+ * @param formElement - The form element to observe.
  */
-export default function useFormMutations() {
+export default function useFormMutations( formElement: HTMLFormElement ) {
+	const { commentParent } = useContext( VerbumSignals );
+
 	useEffect( () => {
-		const formElement = document.querySelector( '#commentform' ) as HTMLFormElement;
 		const commentParentInput = formElement.querySelector( '#comment_parent' );
 
 		if ( ! formElement || ! commentParentInput ) {
@@ -28,5 +31,5 @@ export default function useFormMutations() {
 		return () => {
 			mutationObserver.disconnect();
 		};
-	}, [] );
+	}, [ formElement, commentParent ] );
 }