This is a Pre-Rendering plugin.

$ yarn add @umijs/plugin-prerender --dev

Configured in .umirc.js:

export default {
  ssr: true,
  plugins: [['@umijs/plugin-prerender']],
};

All features are turned off by default and will be enabled if there is a true value.

• Type: string[]

exclude routes that aren't prerendered. e.g. [ '/user', '/about', '/news/:id' ]

• Type: Boolean

mock window browser variable environment in Node Server.

::: warning Project code is best compatible with Server-Side rendering, add typeof bar !== 'undefined' judgment when using in the Server-side render lifecycle where bar is a browser variable or method. :::

• Type: Boolean

Whether the pre-rendered html is visible or not, avoiding page flicker under dynamic data. just use for page seo.