Refactor api implementation in next.js style

package.json

@@ -64,6 +64,7 @@
     "husky": "^3.1.0",
     "jest": "^24.9.0",
     "lint-staged": "^10.0.0-1",
+    "micro-cors": "^0.1.1",
     "prettier": "^1.19.1",
     "pretty-quick": "^2.0.1",
     "request": "^2.88.0"

pages/api/comments.js

@@ -0,0 +1,25 @@
+import Cors from 'micro-cors'
+import request from 'request'
+
+const cors = Cors({
+  allowedMethods: ['GET', 'HEAD']
+})
+
+const getCommentCount = (req, res) => {
+  const {
+    query: { url }
+  } = req
+
+  request(`${url}.json`, (error, response, body) => {
+    if (error || response.statusCode !== 200) {
+      res.status(404).json({ error })
+    } else {
+      // post_count return all posts including topic itself
+      const count = JSON.parse(body).posts_count - 1
+
+      res.status(200).json({ count })
+    }
+  })
+}
+
+export default cors(getCommentCount)

server.js

@@ -10,10 +10,9 @@ const { createServer } = require('http')
 const { parse } = require('url')
 const next = require('next')
 const querystring = require('querystring')
-const request = require('request')
 
 const dev = process.env.NODE_ENV !== 'production'
-const app = next({ dev })
+const app = next({ dev, crossOrigin: 'anonymous' })
 const port = process.env.PORT || 3000
 const handle = app.getRequestHandler()
 
@@ -110,18 +109,6 @@ app.prepare().then(() => {
       } else {
         app.render(req, res, '/doc', query)
       }
-    } else if (/^\/api\/comments/i.test(pathname)) {
-      request(`${query.url}.json`, (error, response, body) => {
-        if (error || response.statusCode !== 200) {
-          res.write(JSON.stringify({ error }))
-        } else {
-          // post_count return all posts including topic itself
-          const count = JSON.parse(body).posts_count - 1
-
-          res.write(JSON.stringify({ count }))
-        }
-        res.end()
-      })
     } else {
       handle(req, res, parsedUrl)
     }

yarn.lock

@@ -5813,6 +5813,11 @@ merge-stream@^2.0.0:
   resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
   integrity sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==
 
+micro-cors@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/micro-cors/-/micro-cors-0.1.1.tgz#af7a480182c114ffd1ada84ad9dffc52bb4f4054"
+  integrity sha512-6WqIahA5sbQR1Gjexp1VuWGFDKbZZleJb/gy1khNGk18a6iN1FdTcr3Q8twaxkV5H94RjxIBjirYbWCehpMBFw==
+
 microevent.ts@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/microevent.ts/-/microevent.ts-0.1.1.tgz#70b09b83f43df5172d0205a63025bce0f7357fa0"