<p>vue-server-renderer：指令不适用于导入的组件</p>

此功能可以解决什么问题？

当前，SSR指令不适用于二手（子）组件，而仅应用于HTML标签和元素。

再生产

// Step 1: Create a Vue instance
const Vue = require("vue");

const Test = {
  template: `<div>This should be red</div>`
}

const app = new Vue({
  template: `
  <div>
    <Test v-make-red/>
    <div v-make-red>This is red</div>
  </div>
  `,
  components: {
    Test
  }
});

const makeRed = (node, dir) => {
  const style = node.data.style || (node.data.style = {});
  if (Array.isArray(style)) {
    style.push({ backgroundColor: "red" });
  } else {
    style.backgroundColor = "red";
  }
};

// Step 2: Create a renderer
const renderer = require("vue-server-renderer").createRenderer({
  directives: {
    makeRed
  }
});

// Step 3: Render the Vue instance to HTML
renderer.renderToString(app, (err, html) => {
  if (err) throw err;
  console.log(html);
  // <div data-server-rendered="true"><div>This should be red</div> <div style="background-color:red;">This is red</div></div>
  // But should include red background-color style for the first div as well
});

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