refactor

src/renderer/src/App.tsx

@@ -1781,15 +1781,13 @@ function App() {
 
       lastOpenedPathRef.current = filePaths[0]!;
 
+      let firstFilePath = filePaths[0]!;
+
       // first check if it is a single directory, and if so, read it recursively
-      if (filePaths.length === 1) {
-        const firstFilePath = filePaths[0]!;
-        const firstFileStat = await lstat(firstFilePath);
-        if (firstFileStat.isDirectory()) {
-          console.log('Reading directory...');
-          invariant(firstFilePath != null);
-          filePaths = await readDirRecursively(firstFilePath);
-        }
+      if (filePaths.length === 1 && (await lstat(firstFilePath)).isDirectory()) {
+        console.log('Reading directory...');
+        invariant(firstFilePath != null);
+        filePaths = await readDirRecursively(firstFilePath);
       }
 
       // Only allow opening regular files
@@ -1816,7 +1814,7 @@ function App() {
       }
 
       // filePaths.length is now 1
-      const [firstFilePath] = filePaths;
+      firstFilePath = filePaths[0]!;
       invariant(firstFilePath != null);
 
       // https://en.wikibooks.org/wiki/Inside_DVD-Video/Directory_Structure

src/renderer/src/ffmpeg.ts

@@ -198,19 +198,19 @@ export function findNearestKeyFrameTime({ frames, time, direction, fps }: { fram
 
 export function tryMapChaptersToEdl(chapters: FFprobeChapter[]) {
   try {
-    return chapters.map((chapter) => {
+    return chapters.flatMap((chapter) => {
       const start = parseFloat(chapter.start_time);
       const end = parseFloat(chapter.end_time);
-      if (Number.isNaN(start) || Number.isNaN(end)) return undefined;
+      if (Number.isNaN(start) || Number.isNaN(end)) return [];
 
       const name = chapter.tags && typeof chapter.tags.title === 'string' ? chapter.tags.title : undefined;
 
-      return {
+      return [{
         start,
         end,
         name,
-      };
-    }).flatMap((it) => (it ? [it] : []));
+      }];
+    });
   } catch (err) {
     console.error('Failed to read chapters from file', err);
     return [];