fix: paste multiple line to table

Signed-off-by: Luka Trovic <luka@nextcloud.com>

src/nodes/Table/Table.js

@@ -14,8 +14,6 @@ import {
 	selectedRect,
 	selectionCell,
 } from '@tiptap/pm/tables'
-// eslint-disable-next-line n/no-extraneous-import
-import { Fragment } from 'prosemirror-model'
 
 /**
  *
@@ -209,25 +207,4 @@ 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))
-						}
-					},
-				},
-			}),
-		]
-	},
-
 })

src/nodes/Table/TableCell.js

@@ -1,4 +1,6 @@
 import { TableCell } from '@tiptap/extension-table-cell'
+import { Plugin } from '@tiptap/pm/state'
+import { Fragment } from '@tiptap/pm/model'
 
 export default TableCell.extend({
 	content: 'inline*',
@@ -30,4 +32,27 @@ export default TableCell.extend({
 			},
 		}
 	},
+
+	addProseMirrorPlugins() {
+		return [
+			new Plugin({
+				props: {
+					handlePaste: (view, event, slice) => {
+						if (slice.content.childCount > 1) {
+							const state = view.state
+							const childNodes = []
+							for (let i = 0; i < slice.content.childCount; i++) {
+								if (i) {
+									childNodes.push(state.schema.text('\n'))
+								}
+								childNodes.push(state.schema.text(slice.content.child(i).textContent, slice.content.child(i).firstChild.marks))
+							}
+							const newNode = view.state.schema.node('paragraph', [], childNodes)
+							slice.content = Fragment.empty.addToStart(newNode)
+						}
+					},
+				},
+			}),
+		]
+	},
 })