code: function compileJSSource(ComponentClass) {
      var sourceBuffer = new CompileSourceBuffer();
      var contextId = genSSRId();
  
      sourceBuffer.addRendererStart();
      var renderId = compileComponentSource(sourceBuffer, ComponentClass, contextId);
      sourceBuffer.addRaw('return componentRenderers.' + renderId + '(data, noDataOutput)');
      sourceBuffer.addRendererEnd();
  
      return sourceBuffer.toCode();
  }
docs: /* eslint-enable guard-for-in 
  将组件编译成 render 方法的 js 源码
  
  @param {Function} ComponentClass 组件类
  @return {string}