Fix some submit button issues (#2487)

* Prevent PostForm submit button spam

* Keep CreatePost PostForm visible during submission

* Keep PostListing PostForm visible during submission

* Keep PostForm navigation warning enabled during submission

* Remove `finished` from MarkdownTextAreaProps

* Handle CommentForm submission failures

* Keep CommentForm navigation warning enabled during submission

* Handle PrivateMessageForm submission failures

* Bypass navigation warning for successful CreatePrivateMessage

* Fix absolute import, add eslint rule

* Cleaner handleCommentSubmit

---------

Co-authored-by: SleeplessOne1917 <28871516+SleeplessOne1917@users.noreply.github.com>

eslint.config.mjs

@@ -79,6 +79,17 @@ export default [
       "unicorn/filename-case": 0,
       "jsx-a11y/media-has-caption": 0,
       "jsx-a11y/label-has-associated-control": 0,
+      "no-restricted-imports": [
+        "error",
+        {
+          patterns: [
+            {
+              group: ["assets/*", "client/*", "server/*", "shared/*"],
+              message: "Use relative import instead.",
+            },
+          ],
+        },
+      ],
     },
   },
 ];

src/shared/components/comment/comment-form.tsx

@@ -2,18 +2,23 @@ import { capitalizeFirstLetter } from "@utils/helpers";
 import { Component } from "inferno";
 import { T } from "inferno-i18next-dess";
 import { Link } from "inferno-router";
-import { CreateComment, EditComment, Language } from "lemmy-js-client";
+import {
+  CommentResponse,
+  CreateComment,
+  EditComment,
+  Language,
+} from "lemmy-js-client";
 import { CommentNodeI } from "../../interfaces";
 import { I18NextService, UserService } from "../../services";
 import { Icon } from "../common/icon";
 import { MarkdownTextArea } from "../common/markdown-textarea";
+import { RequestState } from "../../services/HttpService";
 
 interface CommentFormProps {
   /**
    * Can either be the parent, or the editable comment. The right side is a postId.
    */
   node: CommentNodeI | number;
-  finished?: boolean;
   edit?: boolean;
   disabled?: boolean;
   focus?: boolean;
@@ -21,7 +26,9 @@ interface CommentFormProps {
   allLanguages: Language[];
   siteLanguages: number[];
   containerClass?: string;
-  onUpsertComment(form: EditComment | CreateComment): void;
+  onUpsertComment(
+    form: EditComment | CreateComment,
+  ): Promise<RequestState<CommentResponse>>;
 }
 
 export class CommentForm extends Component<CommentFormProps, any> {
@@ -50,7 +57,6 @@ export class CommentForm extends Component<CommentFormProps, any> {
             initialContent={initialContent}
             showLanguage
             buttonTitle={this.buttonTitle}
-            finished={this.props.finished}
             replyType={typeof this.props.node !== "number"}
             focus={this.props.focus}
             disabled={this.props.disabled}
@@ -83,19 +89,23 @@ export class CommentForm extends Component<CommentFormProps, any> {
         : capitalizeFirstLetter(I18NextService.i18n.t("reply"));
   }
 
-  handleCommentSubmit(content: string, language_id?: number) {
+  async handleCommentSubmit(
+    content: string,
+    language_id?: number,
+  ): Promise<boolean> {
     const { node, onUpsertComment, edit } = this.props;
+    let response: RequestState<CommentResponse>;
+
     if (typeof node === "number") {
       const post_id = node;
-      onUpsertComment({
+      response = await onUpsertComment({
         content,
         post_id,
         language_id,
       });
-    } else {
+    } else if (edit) {
-      if (edit) {
       const comment_id = node.comment_view.comment.id;
-        onUpsertComment({
+      response = await onUpsertComment({
         content,
         comment_id,
         language_id,
@@ -103,13 +113,14 @@ export class CommentForm extends Component<CommentFormProps, any> {
     } else {
       const post_id = node.comment_view.post.id;
       const parent_id = node.comment_view.comment.id;
-        this.props.onUpsertComment({
+      response = await onUpsertComment({
         content,
         parent_id,
         post_id,
         language_id,
       });
     }
-    }
+
+    return response.state !== "failed";
   }
 }

src/shared/components/comment/comment-node.tsx

@@ -2,7 +2,7 @@ import { colorList, getCommentParentId } from "@utils/app";
 import { futureDaysToUnixTime, numToSI } from "@utils/helpers";
 import classNames from "classnames";
 import { isBefore, parseISO, subMinutes } from "date-fns";
-import { Component, InfernoNode, linkEvent } from "inferno";
+import { Component, linkEvent } from "inferno";
 import { Link } from "inferno-router";
 import {
   AddAdmin,
@@ -33,7 +33,6 @@ import {
   SaveComment,
   TransferCommunity,
 } from "lemmy-js-client";
-import deepEqual from "lodash.isequal";
 import { commentTreeMaxDepth } from "../../config";
 import {
   CommentNodeI,
@@ -87,7 +86,6 @@ interface CommentNodeProps {
   allLanguages: Language[];
   siteLanguages: number[];
   hideImages?: boolean;
-  finished: Map<CommentId, boolean | undefined>;
   onSaveComment(form: SaveComment): Promise<void>;
   onCommentReplyRead(form: MarkCommentReplyAsRead): void;
   onPersonMentionRead(form: MarkPersonMentionAsRead): void;
@@ -139,6 +137,8 @@ export class CommentNode extends Component<CommentNodeProps, CommentNodeState> {
     super(props, context);
 
     this.handleReplyCancel = this.handleReplyCancel.bind(this);
+    this.handleCreateComment = this.handleCreateComment.bind(this);
+    this.handleEditComment = this.handleEditComment.bind(this);
     this.handleReportComment = this.handleReportComment.bind(this);
     this.handleRemoveComment = this.handleRemoveComment.bind(this);
     this.handleReplyClick = this.handleReplyClick.bind(this);
@@ -164,22 +164,6 @@ export class CommentNode extends Component<CommentNodeProps, CommentNodeState> {
     return this.commentView.comment.id;
   }
 
-  componentWillReceiveProps(
-    nextProps: Readonly<{ children?: InfernoNode } & CommentNodeProps>,
-  ): void {
-    if (!deepEqual(this.props, nextProps)) {
-      this.setState({
-        showEdit: false,
-        showAdvanced: false,
-        createOrEditCommentLoading: false,
-        upvoteLoading: false,
-        downvoteLoading: false,
-        readLoading: false,
-        fetchChildrenLoading: false,
-      });
-    }
-  }
-
   render() {
     const node = this.props.node;
     const cv = this.commentView;
@@ -283,12 +267,11 @@ export class CommentNode extends Component<CommentNodeProps, CommentNodeState> {
                 edit
                 onReplyCancel={this.handleReplyCancel}
                 disabled={this.props.locked}
-                finished={this.props.finished.get(id)}
                 focus
                 allLanguages={this.props.allLanguages}
                 siteLanguages={this.props.siteLanguages}
                 containerClass="comment-comment-container"
-                onUpsertComment={this.props.onEditComment}
+                onUpsertComment={this.handleEditComment}
               />
             )}
             {!this.state.showEdit && !this.state.collapsed && (
@@ -425,12 +408,11 @@ export class CommentNode extends Component<CommentNodeProps, CommentNodeState> {
             node={node}
             onReplyCancel={this.handleReplyCancel}
             disabled={this.props.locked}
-            finished={this.props.finished.get(id)}
             focus
             allLanguages={this.props.allLanguages}
             siteLanguages={this.props.siteLanguages}
             containerClass="comment-comment-container"
-            onUpsertComment={this.props.onCreateComment}
+            onUpsertComment={this.handleCreateComment}
           />
         )}
         {!this.state.collapsed && node.children.length > 0 && (
@@ -447,7 +429,6 @@ export class CommentNode extends Component<CommentNodeProps, CommentNodeState> {
             hideImages={this.props.hideImages}
             isChild={!this.props.isTopLevel}
             depth={this.props.node.depth + 1}
-            finished={this.props.finished}
             onCommentReplyRead={this.props.onCommentReplyRead}
             onPersonMentionRead={this.props.onPersonMentionRead}
             onCreateComment={this.props.onCreateComment}
@@ -559,6 +540,26 @@ export class CommentNode extends Component<CommentNodeProps, CommentNodeState> {
     this.setState({ showReply: false, showEdit: false });
   }
 
+  async handleCreateComment(
+    form: CreateComment,
+  ): Promise<RequestState<CommentResponse>> {
+    const res = await this.props.onCreateComment(form);
+    if (res.state !== "failed") {
+      this.setState({ showReply: false, showEdit: false });
+    }
+    return res;
+  }
+
+  async handleEditComment(
+    form: EditComment,
+  ): Promise<RequestState<CommentResponse>> {
+    const res = await this.props.onEditComment(form);
+    if (res.state !== "failed") {
+      this.setState({ showReply: false, showEdit: false });
+    }
+    return res;
+  }
+
   isPersonMentionType(item: CommentNodeView): item is PersonMentionView {
     return item.person_mention?.id !== undefined;
   }

src/shared/components/comment/comment-nodes.tsx

@@ -7,7 +7,6 @@ import {
   BanFromCommunity,
   BanPerson,
   BlockPerson,
-  CommentId,
   CommentResponse,
   CommunityModeratorView,
   CreateComment,
@@ -52,7 +51,6 @@ interface CommentNodesProps {
   hideImages?: boolean;
   isChild?: boolean;
   depth?: number;
-  finished: Map<CommentId, boolean | undefined>;
   onSaveComment(form: SaveComment): Promise<void>;
   onCommentReplyRead(form: MarkCommentReplyAsRead): void;
   onPersonMentionRead(form: MarkPersonMentionAsRead): void;
@@ -124,7 +122,6 @@ export class CommentNodes extends Component<CommentNodesProps, any> {
               hideImages={this.props.hideImages}
               onCommentReplyRead={this.props.onCommentReplyRead}
               onPersonMentionRead={this.props.onPersonMentionRead}
-              finished={this.props.finished}
               onCreateComment={this.props.onCreateComment}
               onEditComment={this.props.onEditComment}
               onCommentVote={this.props.onCommentVote}

src/shared/components/comment/comment-report.tsx

@@ -90,7 +90,6 @@ export class CommentReport extends Component<
           siteLanguages={[]}
           hideImages
           // All of these are unused, since its viewonly
-          finished={new Map()}
           onSaveComment={async () => {}}
           onBlockPerson={async () => {}}
           onDeleteComment={async () => {}}

src/shared/components/common/markdown-textarea.tsx

@@ -3,7 +3,7 @@ import { numToSI, randomStr } from "@utils/helpers";
 import autosize from "autosize";
 import classNames from "classnames";
 import { NoOptionI18nKeys } from "i18next";
-import { Component, InfernoNode, linkEvent } from "inferno";
+import { Component, linkEvent } from "inferno";
 import { Prompt } from "inferno-router";
 import { Language } from "lemmy-js-client";
 import {
@@ -41,7 +41,6 @@ interface MarkdownTextAreaProps {
   replyType?: boolean;
   focus?: boolean;
   disabled?: boolean;
-  finished?: boolean;
   /**
    * Whether to show the language selector
    */
@@ -49,7 +48,7 @@ interface MarkdownTextAreaProps {
   hideNavigationWarnings?: boolean;
   onContentChange?(val: string): void;
   onReplyCancel?(): void;
-  onSubmit?(content: string, languageId?: number): void;
+  onSubmit?(content: string, languageId?: number): Promise<boolean>;
   allLanguages: Language[]; // TODO should probably be nullable
   siteLanguages: number[]; // TODO same
 }
@@ -115,27 +114,6 @@ export class MarkdownTextArea extends Component<
     }
   }
 
-  componentWillReceiveProps(
-    nextProps: MarkdownTextAreaProps & { children?: InfernoNode },
-  ) {
-    if (nextProps.finished) {
-      this.setState({
-        previewMode: false,
-        imageUploadStatus: undefined,
-        loading: false,
-        content: undefined,
-      });
-      if (this.props.replyType) {
-        this.props.onReplyCancel?.();
-      }
-
-      const textarea: any = document.getElementById(this.id);
-      const form: any = document.getElementById(this.formId);
-      form.reset();
-      setTimeout(() => autosize.update(textarea), 10);
-    }
-  }
-
   render() {
     const languageId = this.state.languageId;
 
@@ -149,8 +127,8 @@ export class MarkdownTextArea extends Component<
           message={I18NextService.i18n.t("block_leaving")}
           when={
             !this.props.hideNavigationWarnings &&
-            !!this.state.content &&
+            ((!!this.state.content && !this.state.submitted) ||
-            !this.state.submitted
+              this.state.loading)
           }
         />
         <div className="mb-3 row">
@@ -575,11 +553,15 @@ export class MarkdownTextArea extends Component<
     this.setState({ languageId: val[0] });
   }
 
-  handleSubmit(i: MarkdownTextArea, event: any) {
+  async handleSubmit(i: MarkdownTextArea, event: any) {
     event.preventDefault();
     if (i.state.content) {
       i.setState({ loading: true, submitted: true });
-      i.props.onSubmit?.(i.state.content, i.state.languageId);
+      const success = await i.props.onSubmit?.(
+        i.state.content,
+        i.state.languageId,
+      );
+      i.setState({ loading: false, submitted: success ?? true });
     }
   }
 

src/shared/components/community/community.tsx

@@ -6,7 +6,6 @@ import {
   editWith,
   enableDownvotes,
   enableNsfw,
-  getCommentParentId,
   getDataTypeString,
   postToCommentSortType,
   setIsoData,
@@ -42,7 +41,6 @@ import {
   BanPersonResponse,
   BlockCommunity,
   BlockPerson,
-  CommentId,
   CommentReplyResponse,
   CommentResponse,
   CommunityResponse,
@@ -136,7 +134,6 @@ interface State {
   commentsRes: RequestState<GetCommentsResponse>;
   siteRes: GetSiteResponse;
   showSidebarMobile: boolean;
-  finished: Map<CommentId, boolean | undefined>;
   isIsomorphic: boolean;
 }
 
@@ -201,7 +198,6 @@ export class Community extends Component<CommunityRouteProps, State> {
     commentsRes: EMPTY_REQUEST,
     siteRes: this.isoData.site_res,
     showSidebarMobile: false,
-    finished: new Map(),
     isIsomorphic: false,
   };
   private readonly mainContentRef: RefObject<HTMLElement>;
@@ -528,7 +524,6 @@ export class Community extends Component<CommunityRouteProps, State> {
             <CommentNodes
               nodes={commentsToFlatNodes(this.state.commentsRes.data.comments)}
               viewType={CommentViewType.Flat}
-              finished={this.state.finished}
               isTopLevel
               showContext
               enableDownvotes={enableDownvotes(siteRes)}
@@ -820,6 +815,9 @@ export class Community extends Component<CommunityRouteProps, State> {
     const createCommentRes = await HttpService.client.createComment(form);
     this.createAndUpdateComments(createCommentRes);
 
+    if (createCommentRes.state === "failed") {
+      toast(I18NextService.i18n.t(createCommentRes.err.message), "danger");
+    }
     return createCommentRes;
   }
 
@@ -827,6 +825,9 @@ export class Community extends Component<CommunityRouteProps, State> {
     const editCommentRes = await HttpService.client.editComment(form);
     this.findAndUpdateCommentEdit(editCommentRes);
 
+    if (editCommentRes.state === "failed") {
+      toast(I18NextService.i18n.t(editCommentRes.err.message), "danger");
+    }
     return editCommentRes;
   }
 
@@ -1038,7 +1039,6 @@ export class Community extends Component<CommunityRouteProps, State> {
           res.data.comment_view,
           s.commentsRes.data.comments,
         );
-        s.finished.set(res.data.comment_view.comment.id, true);
       }
       return s;
     });
@@ -1060,12 +1060,6 @@ export class Community extends Component<CommunityRouteProps, State> {
     this.setState(s => {
       if (s.commentsRes.state === "success" && res.state === "success") {
         s.commentsRes.data.comments.unshift(res.data.comment_view);
-
-        // Set finished for the parent
-        s.finished.set(
-          getCommentParentId(res.data.comment_view.comment) ?? 0,
-          true,
-        );
       }
       return s;
     });

src/shared/components/home/home.tsx

@@ -5,7 +5,6 @@ import {
   editWith,
   enableDownvotes,
   enableNsfw,
-  getCommentParentId,
   getDataTypeString,
   myAuth,
   postToCommentSortType,
@@ -37,7 +36,6 @@ import {
   BanPerson,
   BanPersonResponse,
   BlockPerson,
-  CommentId,
   CommentReplyResponse,
   CommentResponse,
   CreateComment,
@@ -125,7 +123,6 @@ interface HomeState {
   subscribedCollapsed: boolean;
   tagline?: string;
   siteRes: GetSiteResponse;
-  finished: Map<CommentId, boolean | undefined>;
   isIsomorphic: boolean;
 }
 
@@ -274,7 +271,6 @@ export class Home extends Component<HomeRouteProps, HomeState> {
     showTrendingMobile: false,
     showSidebarMobile: false,
     subscribedCollapsed: false,
-    finished: new Map(),
     isIsomorphic: false,
   };
 
@@ -770,7 +766,6 @@ export class Home extends Component<HomeRouteProps, HomeState> {
             <CommentNodes
               nodes={commentsToFlatNodes(comments)}
               viewType={CommentViewType.Flat}
-              finished={this.state.finished}
               isTopLevel
               showCommunity
               showContext
@@ -973,6 +968,9 @@ export class Home extends Component<HomeRouteProps, HomeState> {
     const createCommentRes = await HttpService.client.createComment(form);
     this.createAndUpdateComments(createCommentRes);
 
+    if (createCommentRes.state === "failed") {
+      toast(I18NextService.i18n.t(createCommentRes.err.message), "danger");
+    }
     return createCommentRes;
   }
 
@@ -980,6 +978,9 @@ export class Home extends Component<HomeRouteProps, HomeState> {
     const editCommentRes = await HttpService.client.editComment(form);
     this.findAndUpdateCommentEdit(editCommentRes);
 
+    if (editCommentRes.state === "failed") {
+      toast(I18NextService.i18n.t(editCommentRes.err.message), "danger");
+    }
     return editCommentRes;
   }
 
@@ -1168,7 +1169,6 @@ export class Home extends Component<HomeRouteProps, HomeState> {
           res.data.comment_view,
           s.commentsRes.data.comments,
         );
-        s.finished.set(res.data.comment_view.comment.id, true);
       }
       return s;
     });
@@ -1190,12 +1190,6 @@ export class Home extends Component<HomeRouteProps, HomeState> {
     this.setState(s => {
       if (s.commentsRes.state === "success" && res.state === "success") {
         s.commentsRes.data.comments.unshift(res.data.comment_view);
-
-        // Set finished for the parent
-        s.finished.set(
-          getCommentParentId(res.data.comment_view.comment) ?? 0,
-          true,
-        );
       }
       return s;
     });

src/shared/components/person/inbox.tsx

@@ -5,7 +5,6 @@ import {
   editPrivateMessage,
   editWith,
   enableDownvotes,
-  getCommentParentId,
   myAuth,
   setIsoData,
   updatePersonBlock,
@@ -28,7 +27,6 @@ import {
   BanPerson,
   BanPersonResponse,
   BlockPerson,
-  CommentId,
   CommentReplyResponse,
   CommentReplyView,
   CommentReportResponse,
@@ -132,7 +130,6 @@ interface InboxState {
   sort: CommentSortType;
   page: number;
   siteRes: GetSiteResponse;
-  finished: Map<CommentId, boolean | undefined>;
   isIsomorphic: boolean;
 }
 
@@ -157,7 +154,6 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
     mentionsRes: EMPTY_REQUEST,
     messagesRes: EMPTY_REQUEST,
     markAllAsReadRes: EMPTY_REQUEST,
-    finished: new Map(),
     isIsomorphic: false,
   };
 
@@ -512,7 +508,6 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
               { comment_view: i.view as CommentView, children: [], depth: 0 },
             ]}
             viewType={CommentViewType.Flat}
-            finished={this.state.finished}
             markable
             showCommunity
             showContext
@@ -551,7 +546,6 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
                 depth: 0,
               },
             ]}
-            finished={this.state.finished}
             viewType={CommentViewType.Flat}
             markable
             showCommunity
@@ -623,7 +617,6 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
             <CommentNodes
               nodes={commentsToFlatNodes(replies)}
               viewType={CommentViewType.Flat}
-              finished={this.state.finished}
               markable
               showCommunity
               showContext
@@ -670,7 +663,6 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
                 key={umv.person_mention.id}
                 nodes={[{ comment_view: umv, children: [], depth: 0 }]}
                 viewType={CommentViewType.Flat}
-                finished={this.state.finished}
                 markable
                 showCommunity
                 showContext
@@ -996,9 +988,13 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
     this.findAndUpdateMessage(res);
   }
 
-  async handleEditMessage(form: EditPrivateMessage) {
+  async handleEditMessage(form: EditPrivateMessage): Promise<boolean> {
     const res = await HttpService.client.editPrivateMessage(form);
     this.findAndUpdateMessage(res);
+    if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
+    }
+    return res.state !== "failed";
   }
 
   async handleMarkMessageAsRead(form: MarkPrivateMessageAsRead) {
@@ -1015,7 +1011,7 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
     this.reportToast(res);
   }
 
-  async handleCreateMessage(form: CreatePrivateMessage) {
+  async handleCreateMessage(form: CreatePrivateMessage): Promise<boolean> {
     const res = await HttpService.client.createPrivateMessage(form);
     this.setState(s => {
       if (s.messagesRes.state === "success" && res.state === "success") {
@@ -1026,6 +1022,10 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
 
       return s;
     });
+    if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
+    }
+    return res.state !== "failed";
   }
 
   findAndUpdateMessage(res: RequestState<PrivateMessageResponse>) {
@@ -1094,6 +1094,8 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
   ) {
     if (res.state === "success") {
       toast(I18NextService.i18n.t("report_created"));
+    } else if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
     }
   }
 
@@ -1113,11 +1115,6 @@ export class Inbox extends Component<InboxRouteProps, InboxState> {
             s.mentionsRes.data.mentions,
           );
         }
-        // Set finished for the parent
-        s.finished.set(
-          getCommentParentId(res.data.comment_view.comment) ?? 0,
-          true,
-        );
         return s;
       });
     }

src/shared/components/person/person-details.tsx

@@ -6,7 +6,6 @@ import {
   BanFromCommunity,
   BanPerson,
   BlockPerson,
-  CommentId,
   CommentResponse,
   CommentView,
   CreateComment,
@@ -49,7 +48,6 @@ import { RequestState } from "../../services/HttpService";
 
 interface PersonDetailsProps {
   personRes: GetPersonDetailsResponse;
-  finished: Map<CommentId, boolean | undefined>;
   admins: PersonView[];
   allLanguages: Language[];
   siteLanguages: number[];
@@ -153,7 +151,6 @@ export class PersonDetails extends Component<PersonDetailsProps, any> {
             key={i.id}
             nodes={[{ comment_view: c, children: [], depth: 0 }]}
             viewType={CommentViewType.Flat}
-            finished={this.props.finished}
             admins={this.props.admins}
             noBorder
             showCommunity
@@ -266,7 +263,6 @@ export class PersonDetails extends Component<PersonDetailsProps, any> {
           nodes={commentsToFlatNodes(this.props.personRes.comments)}
           viewType={CommentViewType.Flat}
           admins={this.props.admins}
-          finished={this.props.finished}
           isTopLevel
           showCommunity
           showContext

src/shared/components/person/profile.tsx

@@ -4,7 +4,6 @@ import {
   editWith,
   enableDownvotes,
   enableNsfw,
-  getCommentParentId,
   setIsoData,
   updatePersonBlock,
   voteDisplayMode,
@@ -38,7 +37,6 @@ import {
   BanPerson,
   BanPersonResponse,
   BlockPerson,
-  CommentId,
   CommentReplyResponse,
   CommentResponse,
   Community,
@@ -120,7 +118,6 @@ interface ProfileState {
   showBanDialog: boolean;
   removeData: boolean;
   siteRes: GetSiteResponse;
-  finished: Map<CommentId, boolean | undefined>;
   isIsomorphic: boolean;
 }
 
@@ -206,7 +203,6 @@ export class Profile extends Component<ProfileRouteProps, ProfileState> {
     siteRes: this.isoData.site_res,
     showBanDialog: false,
     removeData: false,
-    finished: new Map(),
     isIsomorphic: false,
   };
 
@@ -491,7 +487,6 @@ export class Profile extends Component<ProfileRouteProps, ProfileState> {
                     sort={sort}
                     page={page}
                     limit={fetchLimit}
-                    finished={this.state.finished}
                     enableDownvotes={enableDownvotes(siteRes)}
                     voteDisplayMode={voteDisplayMode(siteRes)}
                     enableNsfw={enableNsfw(siteRes)}
@@ -1178,7 +1173,6 @@ export class Profile extends Component<ProfileRouteProps, ProfileState> {
           res.data.comment_view,
           s.personRes.data.comments,
         );
-        s.finished.set(res.data.comment_view.comment.id, true);
       }
       return s;
     });
@@ -1200,11 +1194,6 @@ export class Profile extends Component<ProfileRouteProps, ProfileState> {
     this.setState(s => {
       if (s.personRes.state === "success" && res.state === "success") {
         s.personRes.data.comments.unshift(res.data.comment_view);
-        // Set finished for the parent
-        s.finished.set(
-          getCommentParentId(res.data.comment_view.comment) ?? 0,
-          true,
-        );
       }
       return s;
     });

src/shared/components/post/create-post.tsx

@@ -27,7 +27,6 @@ import {
   wrapClient,
 } from "../../services/HttpService";
 import { HtmlTags } from "../common/html-tags";
-import { Spinner } from "../common/icon";
 import { PostForm } from "./post-form";
 import { getHttpBaseInternal } from "../../utils/env";
 import { IRoutePropsWithFetch } from "../../routes";
@@ -178,19 +177,9 @@ export class CreatePost extends Component<
           title={this.documentTitle}
           path={this.context.router.route.match.url}
         />
-        {this.state.loading ? (
-          <h5>
-            <Spinner large />
-          </h5>
-        ) : (
         <div className="row">
-            <div
+          <div id="createPostForm" className="col-12 col-lg-6 offset-lg-3 mb-4">
-              id="createPostForm"
+            <h1 className="h4 mb-4">{I18NextService.i18n.t("create_post")}</h1>
-              className="col-12 col-lg-6 offset-lg-3 mb-4"
-            >
-              <h1 className="h4 mb-4">
-                {I18NextService.i18n.t("create_post")}
-              </h1>
             <PostForm
               onCreate={this.handlePostCreate}
               params={locationState}
@@ -210,7 +199,6 @@ export class CreatePost extends Component<
             />
           </div>
         </div>
-        )}
       </div>
     );
   }
@@ -242,11 +230,13 @@ export class CreatePost extends Component<
     });
   }
 
-  async handlePostCreate(form: CreatePostI) {
+  async handlePostCreate(form: CreatePostI, bypassNavWarning: () => void) {
+    this.setState({ loading: true });
     const res = await HttpService.client.createPost(form);
 
     if (res.state === "success") {
       const postId = res.data.post_view.post.id;
+      bypassNavWarning();
       this.props.history.replace(`/post/${postId}`);
     } else if (res.state === "failed") {
       this.setState({

src/shared/components/post/post-form.tsx

@@ -54,8 +54,8 @@ interface PostFormProps {
   siteLanguages: number[];
   params?: PostFormParams;
   onCancel?(): void;
-  onCreate?(form: CreatePost): void;
+  onCreate?(form: CreatePost, bypassNavWarning: () => void): void;
-  onEdit?(form: EditPost): void;
+  onEdit?(form: EditPost, bypassNavWarning: () => void): void;
   enableNsfw?: boolean;
   enableDownvotes?: boolean;
   voteDisplayMode: LocalUserVoteDisplayMode;
@@ -85,6 +85,7 @@ interface PostFormState {
   communitySearchOptions: Choice[];
   previewMode: boolean;
   submitted: boolean;
+  bypassNavWarning: boolean;
 }
 
 function handlePostSubmit(i: PostForm, event: any) {
@@ -93,13 +94,16 @@ function handlePostSubmit(i: PostForm, event: any) {
   if ((i.state.form.url ?? "") === "") {
     i.setState(s => ((s.form.url = undefined), s));
   }
+  // This forces `props.loading` to become true, then false, to enable the
+  // submit button again.
   i.setState({ submitted: true });
 
   const pForm = i.state.form;
   const pv = i.props.post_view;
 
   if (pv) {
-    i.props.onEdit?.({
+    i.props.onEdit?.(
+      {
         post_id: pv.post.id,
         name: pForm.name,
         url: pForm.url,
@@ -108,9 +112,14 @@ function handlePostSubmit(i: PostForm, event: any) {
         language_id: pForm.language_id,
         custom_thumbnail: pForm.custom_thumbnail,
         alt_text: pForm.alt_text,
-    });
+      },
+      () => {
+        i.setState({ bypassNavWarning: true });
+      },
+    );
   } else if (pForm.name && pForm.community_id) {
-    i.props.onCreate?.({
+    i.props.onCreate?.(
+      {
         name: pForm.name,
         community_id: pForm.community_id,
         url: pForm.url,
@@ -120,7 +129,11 @@ function handlePostSubmit(i: PostForm, event: any) {
         honeypot: pForm.honeypot,
         custom_thumbnail: pForm.custom_thumbnail,
         alt_text: pForm.alt_text,
-    });
+      },
+      () => {
+        i.setState({ bypassNavWarning: true });
+      },
+    );
   }
 }
 
@@ -247,6 +260,7 @@ export class PostForm extends Component<PostFormProps, PostFormState> {
     previewMode: false,
     communitySearchOptions: [],
     submitted: false,
+    bypassNavWarning: false,
   };
 
   postTitleRef = createRef<HTMLTextAreaElement>();
@@ -347,6 +361,9 @@ export class PostForm extends Component<PostFormProps, PostFormState> {
           nextProps.initialCommunities?.map(communityToChoice) ?? [],
       });
     }
+    if (this.props.loading && !nextProps.loading) {
+      this.setState({ submitted: false, bypassNavWarning: false });
+    }
   }
 
   render() {
@@ -364,7 +381,7 @@ export class PostForm extends Component<PostFormProps, PostFormState> {
               this.state.form.name ||
               this.state.form.url ||
               this.state.form.body
-            ) && !this.state.submitted
+            ) && !this.state.bypassNavWarning
           }
         />
         <div className="mb-3 row">
@@ -618,7 +635,11 @@ export class PostForm extends Component<PostFormProps, PostFormState> {
         <div className="mb-3 row">
           <div className="col-sm-10">
             <button
-              disabled={!this.state.form.community_id || this.props.loading}
+              disabled={
+                !this.state.form.community_id ||
+                this.props.loading ||
+                this.state.submitted
+              }
               type="submit"
               className="btn btn-secondary me-2"
             >

src/shared/components/post/post-listing.tsx

@@ -842,13 +842,15 @@ export class PostListing extends Component<PostListingProps, PostListingState> {
 
   // The actual editing is done in the receive for post
   async handleEditPost(form: EditPost) {
-    this.setState({ showEdit: false, loading: true });
+    this.setState({ loading: true });
     const res = await this.props.onPostEdit(form);
 
     if (res.state === "success") {
       toast(I18NextService.i18n.t("edited_post"));
+      this.setState({ loading: false, showEdit: false });
     } else if (res.state === "failed") {
       toast(I18NextService.i18n.t(res.err.message), "danger");
+      this.setState({ loading: false });
     }
   }
 

src/shared/components/post/post.tsx

@@ -120,8 +120,8 @@ interface PostState {
   siteRes: GetSiteResponse;
   showSidebarMobile: boolean;
   maxCommentsShown: number;
-  finished: Map<CommentId, boolean | undefined>;
   isIsomorphic: boolean;
+  lastCreatedCommentId?: CommentId;
 }
 
 const defaultCommentSort: CommentSortType = "Hot";
@@ -219,7 +219,6 @@ export class Post extends Component<PostRouteProps, PostState> {
     siteRes: this.isoData.site_res,
     showSidebarMobile: false,
     maxCommentsShown: commentsShownInterval,
-    finished: new Map(),
     isIsomorphic: false,
   };
 
@@ -236,6 +235,8 @@ export class Post extends Component<PostRouteProps, PostState> {
     this.handleFollow = this.handleFollow.bind(this);
     this.handleModRemoveCommunity = this.handleModRemoveCommunity.bind(this);
     this.handleCreateComment = this.handleCreateComment.bind(this);
+    this.handleCreateToplevelComment =
+      this.handleCreateToplevelComment.bind(this);
     this.handleEditComment = this.handleEditComment.bind(this);
     this.handleSaveComment = this.handleSaveComment.bind(this);
     this.handleBlockCommunity = this.handleBlockCommunity.bind(this);
@@ -585,7 +586,8 @@ export class Post extends Component<PostRouteProps, PostState> {
               ) && (
                 <CommentForm
                   key={
-                    this.context.router.history.location.key
+                    this.context.router.history.location.key +
+                    this.state.lastCreatedCommentId
                     // reset on new location, otherwise <Prompt /> stops working
                   }
                   node={res.post_view.post.id}
@@ -593,8 +595,7 @@ export class Post extends Component<PostRouteProps, PostState> {
                   allLanguages={siteRes.all_languages}
                   siteLanguages={siteRes.discussion_languages}
                   containerClass="post-comment-container"
-                  onUpsertComment={this.handleCreateComment}
+                  onUpsertComment={this.handleCreateToplevelComment}
-                  finished={this.state.finished.get(0)}
                 />
               )}
               <div className="d-block d-md-none">
@@ -774,7 +775,6 @@ export class Post extends Component<PostRouteProps, PostState> {
             enableDownvotes={enableDownvotes(siteRes)}
             voteDisplayMode={voteDisplayMode(siteRes)}
             showContext
-            finished={this.state.finished}
             allLanguages={siteRes.all_languages}
             siteLanguages={siteRes.discussion_languages}
             onSaveComment={this.handleSaveComment}
@@ -885,7 +885,6 @@ export class Post extends Component<PostRouteProps, PostState> {
             admins={siteRes.admins}
             enableDownvotes={enableDownvotes(siteRes)}
             voteDisplayMode={voteDisplayMode(siteRes)}
-            finished={this.state.finished}
             allLanguages={siteRes.all_languages}
             siteLanguages={siteRes.discussion_languages}
             onSaveComment={this.handleSaveComment}
@@ -1063,6 +1062,14 @@ export class Post extends Component<PostRouteProps, PostState> {
     return res;
   }
 
+  async handleCreateToplevelComment(form: CreateComment) {
+    const res = await this.handleCreateComment(form);
+    if (res.state === "success") {
+      this.setState({ lastCreatedCommentId: res.data.comment_view.comment.id });
+    }
+    return res;
+  }
+
   async handleCreateComment(form: CreateComment) {
     const createCommentRes = await HttpService.client.createComment(form);
     this.createAndUpdateComments(createCommentRes);
@@ -1380,12 +1387,12 @@ export class Post extends Component<PostRouteProps, PostState> {
         );
 
         comments.splice(foundCommentParentIndex + 1, 0, newComment);
-
-        // Set finished for the parent
-        s.finished.set(newCommentParentId ?? 0, true);
       }
       return s;
     });
+    if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
+    }
   }
 
   findAndUpdateCommentEdit(res: RequestState<CommentResponse>) {
@@ -1395,13 +1402,14 @@ export class Post extends Component<PostRouteProps, PostState> {
           res.data.comment_view,
           s.commentsRes.data.comments,
         );
-        s.finished.set(res.data.comment_view.comment.id, true);
       }
       return s;
     });
+    if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
+    }
   }
 
-  // No need to set finished on a comment vote, save, etc
   findAndUpdateComment(res: RequestState<CommentResponse>) {
     this.setState(s => {
       if (s.commentsRes.state === "success" && res.state === "success") {
@@ -1412,6 +1420,9 @@ export class Post extends Component<PostRouteProps, PostState> {
       }
       return s;
     });
+    if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
+    }
   }
 
   findAndUpdateCommentReply(res: RequestState<CommentReplyResponse>) {
@@ -1424,6 +1435,9 @@ export class Post extends Component<PostRouteProps, PostState> {
       }
       return s;
     });
+    if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
+    }
   }
 
   updateModerators(res: RequestState<AddModToCommunityResponse>) {

src/shared/components/private_message/create-private-message.tsx

@@ -168,14 +168,22 @@ export class CreatePrivateMessage extends Component<
     );
   }
 
-  async handlePrivateMessageCreate(form: CreatePrivateMessageI) {
+  async handlePrivateMessageCreate(
+    form: CreatePrivateMessageI,
+    bypassNavWarning: () => void,
+  ): Promise<boolean> {
     const res = await HttpService.client.createPrivateMessage(form);
 
     if (res.state === "success") {
       toast(I18NextService.i18n.t("message_sent"));
 
+      bypassNavWarning();
       // Navigate to the front
       this.context.router.history.push("/");
+    } else if (res.state === "failed") {
+      toast(I18NextService.i18n.t(res.err.message), "danger");
     }
+
+    return res.state !== "failed";
   }
 }

src/shared/components/private_message/private-message-form.tsx

@@ -1,5 +1,5 @@
 import { capitalizeFirstLetter } from "@utils/helpers";
-import { Component, InfernoNode } from "inferno";
+import { Component } from "inferno";
 import { T } from "inferno-i18next-dess";
 import { Prompt } from "inferno-router";
 import {
@@ -19,8 +19,14 @@ interface PrivateMessageFormProps {
   privateMessageView?: PrivateMessageView; // If a pm is given, that means this is an edit
   replyType?: boolean;
   onCancel?(): any;
-  onCreate?(form: CreatePrivateMessage): void;
+  onCreate?(
-  onEdit?(form: EditPrivateMessage): void;
+    form: CreatePrivateMessage,
+    bypassNavWarning: () => void,
+  ): Promise<boolean>;
+  onEdit?(
+    form: EditPrivateMessage,
+    bypassNavWarning: () => void,
+  ): Promise<boolean>;
 }
 
 interface PrivateMessageFormState {
@@ -28,6 +34,7 @@ interface PrivateMessageFormState {
   loading: boolean;
   previewMode: boolean;
   submitted: boolean;
+  bypassNavWarning?: boolean;
 }
 
 export class PrivateMessageForm extends Component<
@@ -51,21 +58,15 @@ export class PrivateMessageForm extends Component<
       this.handlePrivateMessageSubmit.bind(this);
   }
 
-  componentWillReceiveProps(
-    nextProps: Readonly<{ children?: InfernoNode } & PrivateMessageFormProps>,
-  ): void {
-    if (this.props !== nextProps) {
-      this.setState({ loading: false, content: undefined, previewMode: false });
-    }
-  }
-
   render() {
     return (
       <form className="private-message-form">
         <Prompt
           message={I18NextService.i18n.t("block_leaving")}
           when={
-            !this.state.loading && !!this.state.content && !this.state.submitted
+            !this.state.bypassNavWarning &&
+            ((!!this.state.content && !this.state.submitted) ||
+              this.state.loading)
           }
         />
         {!this.props.privateMessageView && (
@@ -140,21 +141,34 @@ export class PrivateMessageForm extends Component<
     );
   }
 
-  handlePrivateMessageSubmit() {
+  async handlePrivateMessageSubmit(): Promise<boolean> {
     this.setState({ loading: true, submitted: true });
     const pm = this.props.privateMessageView;
     const content = this.state.content ?? "";
+    let success: boolean | undefined;
     if (pm) {
-      this.props.onEdit?.({
+      success = await this.props.onEdit?.(
+        {
           private_message_id: pm.private_message.id,
           content,
-      });
+        },
+        () => {
+          this.setState({ bypassNavWarning: true });
+        },
+      );
     } else {
-      this.props.onCreate?.({
+      success = await this.props.onCreate?.(
+        {
           content,
           recipient_id: this.props.recipient.id,
-      });
+        },
+        () => {
+          this.setState({ bypassNavWarning: true });
+        },
+      );
     }
+    this.setState({ loading: false, submitted: success ?? true });
+    return success ?? true;
   }
 
   handleContentChange(val: string) {

src/shared/components/private_message/private-message.tsx

@@ -1,4 +1,4 @@
-import { Component, InfernoNode, linkEvent } from "inferno";
+import { Component, linkEvent } from "inferno";
 import {
   CreatePrivateMessage,
   CreatePrivateMessageReport,
@@ -32,8 +32,8 @@ interface PrivateMessageProps {
   onDelete(form: DeletePrivateMessage): void;
   onMarkRead(form: MarkPrivateMessageAsRead): void;
   onReport(form: CreatePrivateMessageReport): void;
-  onCreate(form: CreatePrivateMessage): void;
+  onCreate(form: CreatePrivateMessage): Promise<boolean>;
-  onEdit(form: EditPrivateMessage): void;
+  onEdit(form: EditPrivateMessage): Promise<boolean>;
 }
 
 @tippyMixin
@@ -56,6 +56,8 @@ export class PrivateMessage extends Component<
     this.handleReplyCancel = this.handleReplyCancel.bind(this);
     this.handleReportSubmit = this.handleReportSubmit.bind(this);
     this.hideReportDialog = this.hideReportDialog.bind(this);
+    this.handleCreate = this.handleCreate.bind(this);
+    this.handleEdit = this.handleEdit.bind(this);
   }
 
   get mine(): boolean {
@@ -65,22 +67,6 @@ export class PrivateMessage extends Component<
     );
   }
 
-  componentWillReceiveProps(
-    nextProps: Readonly<{ children?: InfernoNode } & PrivateMessageProps>,
-  ): void {
-    if (this.props !== nextProps) {
-      this.setState({
-        showReply: false,
-        showEdit: false,
-        collapsed: false,
-        viewSource: false,
-        showReportDialog: false,
-        deleteLoading: false,
-        readLoading: false,
-      });
-    }
-  }
-
   render() {
     const message_view = this.props.private_message_view;
     const otherPerson: Person = this.mine
@@ -126,7 +112,7 @@ export class PrivateMessage extends Component<
             <PrivateMessageForm
               recipient={otherPerson}
               privateMessageView={message_view}
-              onEdit={this.props.onEdit}
+              onEdit={this.handleEdit}
               onCancel={this.handleReplyCancel}
             />
           )}
@@ -265,7 +251,7 @@ export class PrivateMessage extends Component<
               <PrivateMessageForm
                 replyType={true}
                 recipient={otherPerson}
-                onCreate={this.props.onCreate}
+                onCreate={this.handleCreate}
                 onCancel={this.handleReplyCancel}
               />
             </div>
@@ -304,7 +290,6 @@ export class PrivateMessage extends Component<
 
   handleEditClick(i: PrivateMessage) {
     i.setState({ showEdit: true });
-    i.setState(i.state);
   }
 
   handleDeleteClick(i: PrivateMessage) {
@@ -319,6 +304,22 @@ export class PrivateMessage extends Component<
     this.setState({ showReply: false, showEdit: false });
   }
 
+  async handleCreate(form: CreatePrivateMessage): Promise<boolean> {
+    const success = await this.props.onCreate(form);
+    if (success) {
+      this.setState({ showReply: false });
+    }
+    return success;
+  }
+
+  async handleEdit(form: EditPrivateMessage): Promise<boolean> {
+    const success = await this.props.onEdit(form);
+    if (success) {
+      this.setState({ showEdit: false });
+    }
+    return success;
+  }
+
   handleMarkRead(i: PrivateMessage) {
     i.setState({ readLoading: true });
     i.props.onMarkRead({

src/shared/components/search.tsx

@@ -824,7 +824,6 @@ export class Search extends Component<SearchRouteProps, SearchState> {
                   allLanguages={siteRes.all_languages}
                   siteLanguages={siteRes.discussion_languages}
                   // All of these are unused, since its viewonly
-                  finished={new Map()}
                   onSaveComment={async () => {}}
                   onBlockPerson={async () => {}}
                   onDeleteComment={async () => {}}
@@ -886,7 +885,6 @@ export class Search extends Component<SearchRouteProps, SearchState> {
         allLanguages={siteRes.all_languages}
         siteLanguages={siteRes.discussion_languages}
         // All of these are unused, since its viewonly
-        finished={new Map()}
         onSaveComment={async () => {}}
         onBlockPerson={async () => {}}
         onDeleteComment={async () => {}}