Move utilities into middleware/utils

2017-08-18 12:57:42 -07:00
parent 2d03ed9be6
commit 7408b24adf
15 changed files with 149 additions and 154 deletions
--- a/server/middleware/utils/getIndexHTML.js
+++ b/server/middleware/utils/getIndexHTML.js
@ -0,0 +1,42 @@
+const fs = require('fs')
+const path = require('path')
+const React = require('react')
+const ReactDOMServer = require('react-dom/server')
+const getFileStats = require('./getFileStats')
+const IndexPage = require('../components/IndexPage')
+
+const e = React.createElement
+
+function getEntries(dir) {
+  return new Promise(function (resolve, reject) {
+    fs.readdir(dir, function (error, files) {
+      if (error) {
+        reject(error)
+      } else {
+        resolve(
+          Promise.all(
+            files.map(file => getFileStats(path.join(dir, file)))
+          ).then(function (statsArray) {
+            return statsArray.map(function (stats, index) {
+              return { file: files[index], stats }
+            })
+          })
+        )
+      }
+    })
+  })
+}
+
+const DOCTYPE = '<!DOCTYPE html>'
+
+function createHTML(props) {
+  return DOCTYPE + ReactDOMServer.renderToStaticMarkup(e(IndexPage, props))
+}
+
+function getIndexHTML(packageInfo, version, baseDir, dir, callback) {
+  getEntries(path.join(baseDir, dir))
+    .then(entries => createHTML({ packageInfo, version, dir, entries }))
+    .then(html => callback(null, html), callback)
+}
+
+module.exports = getIndexHTML