build(flowH5): 添加 flowH5 项目的配置文件

- 新增 flowH5.config.ts 文件，配置 Vite 构建项目- 设置 Vue 插件和路径别名
- 配置 Roll

web/flowH5.config.ts

@@ -0,0 +1,77 @@
+import { defineConfig } from 'vite';
+import vue from '@vitejs/plugin-vue';
+import path, {resolve} from 'path';
+import vueJsx from "@vitejs/plugin-vue-jsx";
+import vueSetupExtend from "vite-plugin-vue-setup-extend";
+import { terser } from 'rollup-plugin-terser';
+import postcss from 'rollup-plugin-postcss';
+import pxtorem from 'postcss-pxtorem';
+const pathResolve = (dir: string) => {
+  return resolve(__dirname, '.', dir);
+};
+export default defineConfig({
+  build: {
+    // outDir: '../backend/static/previewer',
+    lib: {
+      entry: path.resolve(__dirname, './index.ts'), // 库的入口文件
+      name: 'previewer', // 库的全局变量名称
+      fileName: (format) => `index.${format}.js`, // 输出文件名格式
+    },
+    rollupOptions: {
+      input:{
+        previewer: path.resolve(__dirname, './index.ts'),
+      },
+      external: ['vue'], // 指定外部依赖
+      output:{
+        // dir: '../backend/static/previewer', // 输出目录
+        entryFileNames: 'index.[format].js', // 入口文件名格式
+        format: 'commonjs',
+        globals: {
+          vue: 'Vue'
+        },
+        chunkFileNames: `[name].[hash].js`
+      },
+      plugins: [
+        terser({
+          compress: {
+            drop_console: false, // 确保不移除 console.log
+          },
+        }),
+        postcss({
+          plugins: [
+            pxtorem({
+              rootValue: 37.5,
+              unitPrecision: 5,
+              propList: ['*'],
+              selectorBlackList: [],
+              replace: true,
+              mediaQuery: false,
+              minPixelValue: 0,
+              exclude: /node_modules/i,
+            }),
+          ],
+        }),
+      ],
+    },
+  },
+  plugins: [
+    vue(),
+    vueJsx(),
+    vueSetupExtend(),
+  ],
+  resolve: {
+    alias: {
+      '/@': path.resolve(__dirname, 'src'), // '@' 别名指向 'src' 目录
+      '@views': pathResolve('./src/views'),
+      '/src':path.resolve(__dirname, 'src')
+    },
+  },
+  css:{
+    postcss:{
+
+    }
+  },
+  define: {
+    'process.env': {}
+  }
+});