Hr Element

'use client';
 
import React, { useRef } from 'react';
import { cn, withProps } from '@udecode/cn';
import { AlignPlugin } from '@udecode/plate-alignment/react';
import { AutoformatPlugin } from '@udecode/plate-autoformat/react';
import {
  BoldPlugin,
  CodePlugin,
  ItalicPlugin,
  StrikethroughPlugin,
  SubscriptPlugin,
  SuperscriptPlugin,
  UnderlinePlugin,
} from '@udecode/plate-basic-marks/react';
import { BlockquotePlugin } from '@udecode/plate-block-quote/react';
import { ExitBreakPlugin, SoftBreakPlugin } from '@udecode/plate-break/react';
import { CaptionPlugin } from '@udecode/plate-caption/react';
import {
  isCodeBlockEmpty,
  isSelectionAtCodeBlockStart,
  unwrapCodeBlock,
} from '@udecode/plate-code-block';
import {
  CodeBlockPlugin,
  CodeLinePlugin,
  CodeSyntaxPlugin,
} from '@udecode/plate-code-block/react';
import { CommentsPlugin } from '@udecode/plate-comments/react';
import {
  isBlockAboveEmpty,
  isSelectionAtBlockStart,
  someNode,
} from '@udecode/plate-common';
import {
  createPlateEditor,
  ParagraphPlugin,
  Plate,
  PlateLeaf,
} from '@udecode/plate-common/react';
import { DndPlugin } from '@udecode/plate-dnd';
import { DocxPlugin } from '@udecode/plate-docx';
import { EmojiPlugin } from '@udecode/plate-emoji/react';
import { ExcalidrawPlugin } from '@udecode/plate-excalidraw/react';
import {
  FontBackgroundColorPlugin,
  FontColorPlugin,
  FontSizePlugin,
} from '@udecode/plate-font/react';
import { HEADING_KEYS, HEADING_LEVELS } from '@udecode/plate-heading';
import { HeadingPlugin } from '@udecode/plate-heading/react';
import { HighlightPlugin } from '@udecode/plate-highlight/react';
import { HorizontalRulePlugin } from '@udecode/plate-horizontal-rule/react';
import { IndentListPlugin } from '@udecode/plate-indent-list/react';
import { IndentPlugin } from '@udecode/plate-indent/react';
import { JuicePlugin } from '@udecode/plate-juice';
import { KbdPlugin } from '@udecode/plate-kbd/react';
import { LineHeightPlugin } from '@udecode/plate-line-height/react';
import { LinkPlugin } from '@udecode/plate-link/react';
import { TodoListPlugin } from '@udecode/plate-list/react';
import { MarkdownPlugin } from '@udecode/plate-markdown';
import { ImagePlugin, MediaEmbedPlugin } from '@udecode/plate-media/react';
import {
  MentionInputPlugin,
  MentionPlugin,
} from '@udecode/plate-mention/react';
import { NodeIdPlugin } from '@udecode/plate-node-id';
import { ResetNodePlugin } from '@udecode/plate-reset-node/react';
import { SelectOnBackspacePlugin } from '@udecode/plate-select';
import { BlockSelectionPlugin } from '@udecode/plate-selection/react';
import { TabbablePlugin } from '@udecode/plate-tabbable/react';
import {
  TableCellHeaderPlugin,
  TableCellPlugin,
  TablePlugin,
  TableRowPlugin,
} from '@udecode/plate-table/react';
import { TrailingBlockPlugin } from '@udecode/plate-trailing-block';
import { DndProvider } from 'react-dnd';
import { HTML5Backend } from 'react-dnd-html5-backend';
 
import { autoformatRules } from '@/lib/plate/autoformat-rules';
import { BlockquoteElement } from '@/components/plate-ui/blockquote-element';
import { CodeBlockElement } from '@/components/plate-ui/code-block-element';
import { CodeLeaf } from '@/components/plate-ui/code-leaf';
import { CodeLineElement } from '@/components/plate-ui/code-line-element';
import { CodeSyntaxLeaf } from '@/components/plate-ui/code-syntax-leaf';
import { CommentLeaf } from '@/components/plate-ui/comment-leaf';
import { CommentsPopover } from '@/components/plate-ui/comments-popover';
import {
  CursorOverlay,
  DragOverCursorPlugin,
} from '@/components/plate-ui/cursor-overlay';
import { Editor } from '@/components/plate-ui/editor';
import { ExcalidrawElement } from '@/components/plate-ui/excalidraw-element';
import { FixedToolbar } from '@/components/plate-ui/fixed-toolbar';
import { FixedToolbarButtons } from '@/components/plate-ui/fixed-toolbar-buttons';
import { FloatingToolbar } from '@/components/plate-ui/floating-toolbar';
import { FloatingToolbarButtons } from '@/components/plate-ui/floating-toolbar-buttons';
import { HeadingElement } from '@/components/plate-ui/heading-element';
import { HighlightLeaf } from '@/components/plate-ui/highlight-leaf';
import { HrElement } from '@/components/plate-ui/hr-element';
import { ImageElement } from '@/components/plate-ui/image-element';
import {
  TodoLi,
  TodoMarker,
} from '@/components/plate-ui/indent-todo-marker-component';
import { KbdLeaf } from '@/components/plate-ui/kbd-leaf';
import { LinkElement } from '@/components/plate-ui/link-element';
import { LinkFloatingToolbar } from '@/components/plate-ui/link-floating-toolbar';
import { MediaEmbedElement } from '@/components/plate-ui/media-embed-element';
import { MentionElement } from '@/components/plate-ui/mention-element';
import { MentionInputElement } from '@/components/plate-ui/mention-input-element';
import { ParagraphElement } from '@/components/plate-ui/paragraph-element';
import { withPlaceholders } from '@/components/plate-ui/placeholder';
import {
  TableCellElement,
  TableCellHeaderElement,
} from '@/components/plate-ui/table-cell-element';
import { TableElement } from '@/components/plate-ui/table-element';
import { TableRowElement } from '@/components/plate-ui/table-row-element';
import { TodoListElement } from '@/components/plate-ui/todo-list-element';
import { withDraggables } from '@/components/plate-ui/with-draggables';
 
export default function PlateEditor() {
  const containerRef = useRef(null);
 
  const editor = useMyEditor();
 
  return (
    <DndProvider backend={HTML5Backend}>
      <Plate editor={editor}>
        <div
          ref={containerRef}
          className={cn(
            'relative',
            // Block selection
            '[&_.slate-start-area-left]:!w-[64px] [&_.slate-start-area-right]:!w-[64px] [&_.slate-start-area-top]:!h-4'
          )}
        >
          <FixedToolbar>
            <FixedToolbarButtons />
          </FixedToolbar>
 
          <Editor
            className="px-[96px] py-16"
            autoFocus
            focusRing={false}
            variant="ghost"
            size="md"
          />
 
          <FloatingToolbar>
            <FloatingToolbarButtons />
          </FloatingToolbar>
 
          <CommentsPopover />
 
          <CursorOverlay containerRef={containerRef} />
        </div>
      </Plate>
    </DndProvider>
  );
}
 
export const useMyEditor = () => {
  const editor = createPlateEditor({
    plugins: [
      // Nodes
      HeadingPlugin,
      BlockquotePlugin,
      CodeBlockPlugin,
      CodeLinePlugin,
      CodeSyntaxPlugin,
      HorizontalRulePlugin,
      LinkPlugin.configure({
        render: { afterEditable: () => <LinkFloatingToolbar /> },
      }),
      ImagePlugin,
      MediaEmbedPlugin,
      CaptionPlugin.configure({
        options: { plugins: [ImagePlugin, MediaEmbedPlugin] },
      }),
      MentionPlugin,
      MentionInputPlugin,
      TablePlugin,
      TableRowPlugin,
      TableCellPlugin,
      TableCellHeaderPlugin,
      TodoListPlugin,
      ExcalidrawPlugin,
 
      // Marks
      BoldPlugin,
      ItalicPlugin,
      UnderlinePlugin,
      StrikethroughPlugin,
      CodePlugin,
      SubscriptPlugin,
      SuperscriptPlugin,
      FontColorPlugin,
      FontBackgroundColorPlugin,
      FontSizePlugin,
      HighlightPlugin,
      KbdPlugin,
 
      // Block Style
      AlignPlugin.configure({
        inject: {
          targetPlugins: [ParagraphPlugin.key, ...HEADING_LEVELS],
        },
      }),
      IndentPlugin.configure({
        inject: {
          targetPlugins: [
            ParagraphPlugin.key,
            BlockquotePlugin.key,
            CodeBlockPlugin.key,
            ...HEADING_LEVELS,
          ],
        },
      }),
      IndentListPlugin.configure({
        inject: {
          targetPlugins: [
            ParagraphPlugin.key,
            BlockquotePlugin.key,
            CodeBlockPlugin.key,
            ...HEADING_LEVELS,
          ],
        },
        options: {
          listStyleTypes: {
            todo: {
              liComponent: TodoLi,
              markerComponent: TodoMarker,
              type: 'todo',
            },
          },
        },
      }),
      LineHeightPlugin.configure({
        inject: {
          nodeProps: {
            defaultNodeValue: 1.5,
            validNodeValues: [1, 1.2, 1.5, 2, 3],
          },
          targetPlugins: [ParagraphPlugin.key, ...HEADING_LEVELS],
        },
      }),
 
      // Functionality
      AutoformatPlugin.configure({
        options: {
          rules: autoformatRules,
          enableUndoOnDelete: true,
        },
      }),
      BlockSelectionPlugin,
      DndPlugin.configure({
        options: { enableScroller: true },
      }),
      EmojiPlugin,
      ExitBreakPlugin.configure({
        options: {
          rules: [
            {
              hotkey: 'mod+enter',
            },
            {
              hotkey: 'mod+shift+enter',
              before: true,
            },
            {
              hotkey: 'enter',
              query: {
                start: true,
                end: true,
                allow: HEADING_LEVELS,
              },
              relative: true,
              level: 1,
            },
          ],
        },
      }),
      NodeIdPlugin,
      ResetNodePlugin.configure({
        options: {
          rules: [
            {
              types: [BlockquotePlugin.key, TodoListPlugin.key],
              defaultType: ParagraphPlugin.key,
              hotkey: 'Enter',
              predicate: isBlockAboveEmpty,
            },
            {
              types: [BlockquotePlugin.key, TodoListPlugin.key],
              defaultType: ParagraphPlugin.key,
              hotkey: 'Backspace',
              predicate: isSelectionAtBlockStart,
            },
            {
              types: [CodeBlockPlugin.key],
              defaultType: ParagraphPlugin.key,
              onReset: unwrapCodeBlock,
              hotkey: 'Enter',
              predicate: isCodeBlockEmpty,
            },
            {
              types: [CodeBlockPlugin.key],
              defaultType: ParagraphPlugin.key,
              onReset: unwrapCodeBlock,
              hotkey: 'Backspace',
              predicate: isSelectionAtCodeBlockStart,
            },
          ],
        },
      }),
      SelectOnBackspacePlugin.configure({
        options: {
          query: {
            allow: [ImagePlugin.key, HorizontalRulePlugin.key],
          },
        },
      }),
      SoftBreakPlugin.configure({
        options: {
          rules: [
            { hotkey: 'shift+enter' },
            {
              hotkey: 'enter',
              query: {
                allow: [
                  CodeBlockPlugin.key,
                  BlockquotePlugin.key,
                  TableCellPlugin.key,
                  TableCellHeaderPlugin.key,
                ],
              },
            },
          ],
        },
      }),
      TabbablePlugin.configure(({ editor }) => ({
        options: {
          query: () => {
            if (isSelectionAtBlockStart(editor)) return false;
 
            return !someNode(editor, {
              match: (n) => {
                return !!(
                  n.type &&
                  ([
                    TablePlugin.key,
                    TodoListPlugin.key,
                    CodeBlockPlugin.key,
                  ].includes(n.type as string) ||
                    n.listStyleType)
                );
              },
            });
          },
        },
      })),
      TrailingBlockPlugin.configure({
        options: { type: ParagraphPlugin.key },
      }),
      DragOverCursorPlugin,
 
      // Collaboration
      CommentsPlugin.configure({
        options: {
          users: {
            1: {
              id: '1',
              name: 'zbeyens',
              avatarUrl:
                'https://avatars.githubusercontent.com/u/19695832?s=96&v=4',
            },
          },
          myUserId: '1',
        },
      }),
 
      // Deserialization
      DocxPlugin,
      MarkdownPlugin,
      JuicePlugin,
    ],
    override: {
      components: withDraggables(
        withPlaceholders({
          [BlockquotePlugin.key]: BlockquoteElement,
          [CodeBlockPlugin.key]: CodeBlockElement,
          [CodeLinePlugin.key]: CodeLineElement,
          [CodeSyntaxPlugin.key]: CodeSyntaxLeaf,
          [HorizontalRulePlugin.key]: HrElement,
          [HEADING_KEYS.h1]: withProps(HeadingElement, { variant: 'h1' }),
          [HEADING_KEYS.h2]: withProps(HeadingElement, { variant: 'h2' }),
          [HEADING_KEYS.h3]: withProps(HeadingElement, { variant: 'h3' }),
          [HEADING_KEYS.h4]: withProps(HeadingElement, { variant: 'h4' }),
          [HEADING_KEYS.h5]: withProps(HeadingElement, { variant: 'h5' }),
          [HEADING_KEYS.h6]: withProps(HeadingElement, { variant: 'h6' }),
          [ImagePlugin.key]: ImageElement,
          [LinkPlugin.key]: LinkElement,
          [MediaEmbedPlugin.key]: MediaEmbedElement,
          [MentionPlugin.key]: MentionElement,
          [MentionInputPlugin.key]: MentionInputElement,
          [ParagraphPlugin.key]: ParagraphElement,
          [TablePlugin.key]: TableElement,
          [TableRowPlugin.key]: TableRowElement,
          [TableCellPlugin.key]: TableCellElement,
          [TableCellHeaderPlugin.key]: TableCellHeaderElement,
          [TodoListPlugin.key]: TodoListElement,
          [ExcalidrawPlugin.key]: ExcalidrawElement,
          [BoldPlugin.key]: withProps(PlateLeaf, { as: 'strong' }),
          [CodePlugin.key]: CodeLeaf,
          [HighlightPlugin.key]: HighlightLeaf,
          [ItalicPlugin.key]: withProps(PlateLeaf, { as: 'em' }),
          [KbdPlugin.key]: KbdLeaf,
          [StrikethroughPlugin.key]: withProps(PlateLeaf, { as: 's' }),
          [SubscriptPlugin.key]: withProps(PlateLeaf, { as: 'sub' }),
          [SuperscriptPlugin.key]: withProps(PlateLeaf, { as: 'sup' }),
          [UnderlinePlugin.key]: withProps(PlateLeaf, { as: 'u' }),
          [CommentsPlugin.key]: CommentLeaf,
        })
      ),
    },
    value: [
      {
        id: '1',
        type: ParagraphPlugin.key,
        children: [{ text: 'Hello, World!' }],
      },
    ],
  });
 
  return editor;
};