리펙토링 - 전체 프로젝트 코드 (Codex)

src/main/ipc/file-utils.js

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+const fs = require('fs');
+const path = require('path');
+
+const IMAGE_EXTENSIONS = new Set(['.jpg', '.jpeg', '.png', '.gif', '.bmp', '.tiff', '.tif', '.webp', '.heic', '.heif']);
+
+function listImages(folderPath) {
+  return fs.readdirSync(folderPath)
+    .filter(fileName => IMAGE_EXTENSIONS.has(path.extname(fileName).toLowerCase()))
+    .map(fileName => {
+      const fullPath = path.join(folderPath, fileName);
+      const stat = fs.statSync(fullPath);
+      return { name: fileName, path: fullPath, mtime: stat.mtimeMs };
+    })
+    .sort((a, b) => a.name.localeCompare(b.name, 'ko'));
+}
+
+function readImageAsDataUrl(filePath) {
+  const data = fs.readFileSync(filePath);
+  const mime = getImageMime(path.extname(filePath));
+  return `data:image/${mime};base64,${data.toString('base64')}`;
+}
+
+function getImageMime(extName) {
+  const ext = extName.toLowerCase().replace('.', '');
+  if (ext === 'jpg' || ext === 'jpeg') return 'jpeg';
+  if (ext === 'png') return 'png';
+  if (ext === 'gif') return 'gif';
+  if (ext === 'webp') return 'webp';
+  if (ext === 'tiff' || ext === 'tif') return 'tiff';
+  if (ext === 'bmp') return 'bmp';
+  if (ext === 'heic' || ext === 'heif') return 'heic';
+  return 'jpeg';
+}
+
+function fileExists(filePath) {
+  try {
+    fs.accessSync(filePath);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+function moveFileWithCopyFallback(src, dest) {
+  try {
+    fs.renameSync(src, dest);
+  } catch (e) {
+    if (e.code !== 'EXDEV') throw e;
+    fs.copyFileSync(src, dest);
+    fs.unlinkSync(src);
+  }
+}
+
+module.exports = {
+  fileExists,
+  listImages,
+  moveFileWithCopyFallback,
+  readImageAsDataUrl,
+};