Provide response code for SSR via react component

package.json

@@ -25,6 +25,7 @@
     "react-cookie": "^2.0.7",
     "react-dom": "^15.5.4",
     "react-loadable": "^3.3.1",
+    "react-side-effect": "^1.1.5",
     "react-redux": "^5.0.6",
     "react-router": "^4.1.1",
     "react-tree-walker": "^2.1.1",
@@ -45,4 +46,4 @@
     "lint": "rispa-eslint .",
     "lint:fix": "rispa-eslint . --fix"
   }
-}
+}

response.js

@@ -0,0 +1 @@
+module.exports = require('./lib/response')

src/response.js

@@ -0,0 +1,29 @@
+import { Children, Component } from 'react'
+import { node, number } from 'prop-types'
+import withSideEffect from 'react-side-effect'
+
+@withSideEffect(
+  propsList => {
+    const props = propsList[propsList.length - 1]
+    if (props) {
+      return props.statusCode
+    }
+
+    return undefined
+  },
+  () => {},
+)
+export default class Response extends Component {
+  static propTypes = {
+    children: node,
+    statusCode: number,
+  }
+
+  render() {
+    if (this.props.children) {
+      return Children.only(this.props.children)
+    }
+
+    return null
+  }
+}

src/server.js

@@ -16,6 +16,7 @@ import {
 import getRoutes from '@rispa/routes'
 import { CookiesProvider } from 'react-cookie'
 import { flushWebpackRequireWeakIds } from 'react-loadable'
+import Response from '../response'
 import Html from './Html'
 
 let stats
@@ -113,7 +114,13 @@ const createRender = (assets, cacheConfig) => (req, res, config) => {
             />,
           )}`
 
-      res.send(html)
+      const statusCode = Response.peek() || 200
+
+      Response.rewind()
+
+      res
+        .status(statusCode)
+        .send(html)
     })
 }