add types

packages/presentation/src/client/services/renderer/extract-sections.ts

@@ -5,7 +5,7 @@ import { findAfter } from 'unist-util-find-after';
 import { visit } from 'unist-util-visit';
 
 
-function wrapWithSection(parentNode: Parent, startElem: Node, endElem: Node | null, isDarkMode?: boolean): void {
+function wrapWithSection(parentNode: Parent, startElem: Node, endElem: Node | undefined | null, isDarkMode?: boolean): void {
   const siblings = parentNode.children;
 
   const startIndex = siblings.indexOf(startElem);

packages/presentation/src/services/use-slides-by-frontmatter.ts

@@ -1,5 +1,6 @@
 import { useEffect, useState } from 'react';
 
+import type { Parent } from 'mdast';
 import type { Processor } from 'unified';
 
 type ParseResult = {
@@ -43,7 +44,7 @@ const generateFrontmatterProcessor = async(opts?: ProcessorOpts) => {
     .use(remarkParse)
     .use(remarkStringify)
     .use(remarkFrontmatter, ['yaml'])
-    .use(() => ((obj) => {
+    .use(() => ((obj: Parent) => {
       if (obj.children[0]?.type === 'yaml') {
         const result = parseSlideFrontmatter(obj.children[0]?.value);
         opts?.onParsed?.(result);