Rewrite frontend using create-react-app

server/cloudflare.js

@@ -0,0 +1,93 @@
+require('isomorphic-fetch')
+const { createStack, createFetch, header, base, query, parseJSON, onResponse } = require('http-client')
+const invariant = require('invariant')
+
+const CloudflareKey = process.env.CLOUDFLARE_KEY
+const CloudflareEmail = process.env.CLOUDFLARE_EMAIL
+
+invariant(
+  CloudflareKey,
+  'Missing $CLOUDFLARE_KEY environment variable'
+)
+
+invariant(
+  CloudflareEmail,
+  'Missing $CLOUDFLARE_EMAIL environment variable'
+)
+
+const createRangeQuery = (since, until) =>
+  query({
+    since: since.toISOString(),
+    until: until.toISOString()
+  })
+
+const createNameQuery = (name) =>
+  query({ name })
+
+const getResult = () =>
+  createStack(
+    parseJSON(),
+    onResponse(response => response.jsonData.result)
+  )
+
+const commonStack = createStack(
+  header('X-Auth-Key', CloudflareKey),
+  header('X-Auth-Email', CloudflareEmail),
+  base('https://api.cloudflare.com/client/v4'),
+  getResult()
+)
+
+const getZones = (domainName) =>
+  createFetch(
+    commonStack,
+    createNameQuery(domainName)
+  )('/zones')
+
+const getZoneAnalyticsDashboard = (zone, since, until) =>
+  createFetch(
+    commonStack,
+    createRangeQuery(since, until)
+  )(`/zones/${zone.id}/analytics/dashboard`)
+
+const getAnalyticsDashboards = (domainNames, since, until) =>
+  Promise.all(
+    domainNames.map(domainName => getZones(domainName))
+  ).then(
+    domainZones => domainZones.reduce((memo, zones) => memo.concat(zones))
+  ).then(
+    zones => Promise.all(zones.map(zone => getZoneAnalyticsDashboard(zone, since, until)))
+  ).then(
+    results => results.reduce(reduceResults)
+  )
+
+const reduceResults = (target, results) => {
+  Object.keys(results).forEach(key => {
+    const value = results[key]
+
+    if (typeof value === 'object' && value) {
+      target[key] = reduceResults(target[key] || {}, value)
+    } else if (typeof value === 'number') {
+      target[key] = (target[key] || 0) + results[key]
+    }
+  })
+
+  return target
+}
+
+const OneMinute = 1000 * 60
+const ThirtyDays = OneMinute * 60 * 24 * 30
+
+const fetchStats = (callback) => {
+  const since = new Date(Date.now() - ThirtyDays)
+  const until = new Date(Date.now() - OneMinute)
+
+  getAnalyticsDashboards([ 'npmcdn.com', 'unpkg.com' ], since, until)
+    .then(result => callback(null, result), callback)
+}
+
+module.exports = {
+  getZones,
+  getZoneAnalyticsDashboard,
+  getAnalyticsDashboards,
+  fetchStats
+}