fix: paste multiple line to table issue

Signed-off-by: Luka Trovic <[email protected]>

src/nodes/Table/Table.js

@@ -5,7 +5,7 @@ import TableCell from './TableCell.js'
 import TableHeader from './TableHeader.js'
 import TableHeadRow from './TableHeadRow.js'
 import TableRow from './TableRow.js'
-import { TextSelection } from '@tiptap/pm/state'
+import { Plugin, TextSelection } from '@tiptap/pm/state'
 import {
 	addRowAfter,
 	addRowBefore,
@@ -14,6 +14,8 @@ import {
 	selectedRect,
 	selectionCell,
 } from '@tiptap/pm/tables'
+// eslint-disable-next-line n/no-extraneous-import
+import { Fragment } from 'prosemirror-model'
 
 /**
  *
@@ -207,4 +209,25 @@ export default Table.extend({
 		}
 	},
 
+	addProseMirrorPlugins() {
+		return [
+			new Plugin({
+				props: {
+					handlePaste: (view, event, slice) => {
+						if (slice.content.childCount > 1) {
+							const firstNode = slice.content.firstChild
+							let newTextContent = firstNode.textContent
+
+							for (let i = 1; i < slice.content.childCount; i++) {
+								newTextContent += '\n' + slice.content.child(i).textContent
+							}
+
+							slice.content = Fragment.empty.addToStart(view.state.schema.text(newTextContent, firstNode.marks))
+						}
+					},
+				},
+			}),
+		]
+	},
+
 })