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apps/manga-grabber/scripts-plugin/vite-plugin-gen-index-ts.ts

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+// plugins/vite-plugin-gen-index-ts.ts
+import type { Plugin } from "vite";
+import fs from "fs";
+import path from "path";
+import { globSync } from "glob";
+
+interface Config {
+  targetDirs: string[];
+  includeExtensions: string[];
+  excludeKeywords: {
+    dirs: string[];
+    fileSuffixes: string[];
+    filePatterns: RegExp[];
+  };
+}
+
+const CONFIG: Config = {
+  targetDirs: ["src"],
+  includeExtensions: [".ts", ".tsx", ".vue"],
+  excludeKeywords: {
+    dirs: ["__tests__", "tests", "story", "stories", "types"],
+    fileSuffixes: [".d.ts"],
+    filePatterns: [
+      /^index\.(ts|tsx|js|jsx)$/,
+      /\.(test|spec)\./,
+      /\.(story|stories)\./,
+    ],
+  },
+};
+
+const normalizePath = (p: string) => p.replace(/\\/g, "/");
+
+const isInExcludeDir = (filePath: string) => {
+  const normalized = normalizePath(filePath);
+  return CONFIG.excludeKeywords.dirs.some((dir) =>
+    normalized.includes(`/${dir}/`),
+  );
+};
+
+const isExcludeSuffix = (filePath: string) =>
+  CONFIG.excludeKeywords.fileSuffixes.some((suffix) =>
+    filePath.endsWith(suffix),
+  );
+
+const isMatchExcludePattern = (fileName: string) =>
+  CONFIG.excludeKeywords.filePatterns.some((pattern) => pattern.test(fileName));
+
+function isValidFile(filePath: string): boolean {
+  const fileName = filePath.split(/[\\/]/).pop()!;
+
+  if (isInExcludeDir(filePath)) return false;
+  if (isExcludeSuffix(filePath)) return false;
+  if (isMatchExcludePattern(fileName)) return false;
+
+  const ext = path.extname(filePath);
+  return CONFIG.includeExtensions.includes(ext);
+}
+
+function generateIndexFile(dirPath: string) {
+  const searchPattern = path.resolve(dirPath, "**", "*.*");
+
+  const allFiles = globSync(searchPattern, {
+    nodir: true,
+    absolute: true,
+    windowsPathsNoEscape: true,
+    dot: false,
+    follow: true,
+  });
+
+  const validFiles = allFiles.filter(isValidFile);
+  if (validFiles.length === 0) return;
+
+  validFiles.sort();
+
+  const exportStatements = validFiles.map((file) => {
+    const relPath = path.relative(dirPath, file);
+    const importPath = `./${relPath
+      .replace(/\.[^.]+$/, "")
+      .replace(/\\/g, "/")}`;
+    return `export * from '${importPath}';`;
+  });
+
+  const indexContent = `
+import './index.css';
+
+${exportStatements.join("\n")}
+`.trim();
+
+  const indexFilePath = path.resolve(dirPath, "index.ts");
+
+  // ✅ 内容比对，避免无限 rebuild
+  if (fs.existsSync(indexFilePath)) {
+    const old = fs.readFileSync(indexFilePath, "utf8");
+    if (old === indexContent) return;
+  }
+
+  fs.writeFileSync(indexFilePath, indexContent, "utf8");
+}
+
+export function genIndexTsPlugin(): Plugin {
+  return {
+    name: "vite-plugin-gen-index-ts",
+    apply: "build",
+
+    buildStart() {
+      const [targetDir] = CONFIG.targetDirs;
+      if (!targetDir) {
+        this.error("CONFIG.targetDirs is empty");
+        return;
+      }
+
+      const absTargetDir = path.resolve(process.cwd(), targetDir);
+
+      try {
+        generateIndexFile(absTargetDir);
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err);
+        this.error(`[gen-index-ts] failed: ${msg}`);
+        throw err;
+      }
+    },
+
+    handleHotUpdate({ file }) {
+      if (file.replace(/\\/g, "/").endsWith("/src/index.ts")) {
+        return [];
+      }
+    },
+  };
+}