feat: auto generator cssfile (#368)

build/bin/gen-cssfile.js

+var fs = require('fs');
+var path = require('path');
+var Components = require('../../components.json');
+var THEMES = [
+  'theme-default'
+];
+var BASEPATH = path.resolve(__dirname, '../../packages/');
+Components = Object.keys(Components);
+
+function fileExists(filePath) {
+  try {
+    return fs.statSync(filePath).isFile();
+  } catch (err) {
+    return false;
+  }
+};
+
+THEMES.forEach(function(theme) {
+  Components.forEach(function(key) {
+    var fileName = key + '.css';
+    var filePath = path.resolve(BASEPATH, theme, 'src', fileName);
+    if (!fileExists(filePath)) {
+      fs.writeFileSync(filePath, '', 'utf8');
+      console.log(theme, ' 创建遗漏的 ', fileName, ' 文件');
+    }
+  });
+});

package.json

@@ -13,7 +13,7 @@
     "dev": "npm run bootstrap && npm run build:file && cooking watch -c build/cooking.demo.js -p",
     "dist": "npm run clean && npm run build:file && npm run lint && cooking build -c build/cooking.conf.js,build/cooking.common.js,build/cooking.component.js -p && npm run build:utils && npm run build:theme",
     "dist:all": "node build/bin/build-all.js && npm run build:theme",
-    "build:theme": "gulp build --gulpfile packages/theme-default/gulpfile.js && cp-cli packages/theme-default/lib lib/theme-default",
+    "build:theme": "node build/bin/gen-cssfile && gulp build --gulpfile packages/theme-default/gulpfile.js && cp-cli packages/theme-default/lib lib/theme-default",
     "deploy": "npm run build:file && cooking build -c build/cooking.demo.js -p && echo element.eleme.io>>examples/element-ui/CNAME && gh-pages -d examples/element-ui --remote eleme && del examples/element-ui",
     "bootstrap": "npm i && lerna bootstrap",
     "pub": "sh build/release.sh",