Clean up editor code and reorganize contents (#478)

lib/editor/config.ts

@@ -0,0 +1,47 @@
+import { textblockTypeInputRule } from 'prosemirror-inputrules';
+import { Schema } from 'prosemirror-model';
+import { schema } from 'prosemirror-schema-basic';
+import { addListNodes } from 'prosemirror-schema-list';
+import { Transaction } from 'prosemirror-state';
+import { EditorView } from 'prosemirror-view';
+import { MutableRefObject } from 'react';
+
+import { buildContentFromDocument } from './functions';
+
+export const documentSchema = new Schema({
+  nodes: addListNodes(schema.spec.nodes, 'paragraph block*', 'block'),
+  marks: schema.spec.marks,
+});
+
+export function headingRule(level: number) {
+  return textblockTypeInputRule(
+    new RegExp(`^(#{1,${level}})\\s$`),
+    documentSchema.nodes.heading,
+    () => ({ level })
+  );
+}
+
+export const handleTransaction = ({
+  transaction,
+  editorRef,
+  saveContent,
+}: {
+  transaction: Transaction;
+  editorRef: MutableRefObject<EditorView | null>;
+  saveContent: (updatedContent: string, debounce: boolean) => void;
+}) => {
+  if (!editorRef || !editorRef.current) return;
+
+  const newState = editorRef.current.state.apply(transaction);
+  editorRef.current.updateState(newState);
+
+  if (transaction.docChanged && !transaction.getMeta('no-save')) {
+    const updatedContent = buildContentFromDocument(newState.doc);
+
+    if (transaction.getMeta('no-debounce')) {
+      saveContent(updatedContent, false);
+    } else {
+      saveContent(updatedContent, true);
+    }
+  }
+};