build: init

template/script/GenerateMetaPlugin.js

@@ -0,0 +1,70 @@
+const fs = require('fs');
+const path = require('path');
+const glob = require('glob');
+
+// 递归地构建嵌套结构
+function buildNestedStructure(filePaths) {
+  const root = [];
+
+  filePaths.forEach((filePath) => {
+    const parts = filePath.split('/').slice(2, -1); // 去掉 'src/pages' 'meta.json'
+
+    let current = root;
+
+    parts.forEach((part, index) => {
+      const find = current.find((item) => item._path === part);
+      if (find) {
+        current = find;
+      } else {
+        current.push({
+          _path: part,
+          _children: [],
+        });
+        current = current[current.length - 1];
+      }
+
+      if (index === parts.length - 1) {
+        const content = fs.readFileSync(filePath, 'utf-8');
+        Object.assign(current, JSON.parse(content), {
+          _fullpath: parts.join('/'),
+        });
+      }
+      current = current._children;
+    });
+  });
+
+  return root;
+}
+
+// 自定义插件：用于生成 meta.js 文件
+class GenerateMetaPlugin {
+  apply(compiler) {
+    compiler.hooks.emit.tapAsync(
+      'GenerateMetaPlugin',
+      (compilation, callback) => {
+        const metaFiles = glob.sync('src/pages/**/meta.json');
+
+        const metaInfo = buildNestedStructure(metaFiles);
+
+        const output = `export const metaInfo = ${JSON.stringify(metaInfo, null, 2)};`;
+
+        const outputPath = path.resolve(__dirname, '../src/meta.js');
+
+        if (fs.existsSync(outputPath)) {
+          const existingContent = fs.readFileSync(outputPath, 'utf8');
+          if (existingContent === output) {
+            // 文件已存在且内容相同，跳过文件生成
+            return callback();
+          }
+        }
+
+        fs.writeFileSync(outputPath, output, 'utf-8');
+
+        console.log('meta.js has been generated successfully!');
+        callback();
+      },
+    );
+  }
+}
+
+module.exports = GenerateMetaPlugin;