Update index.js

修改了一些写法和逻辑
没必要处理所有的异常，比如配置文件出错这类启动时就能发现的

index.js

@@ -20,41 +20,11 @@ app.get('/', (req, res) => {
   res.render('index')
 });
 
-const getCountByName = async name=> {
-  // console.log(name)
-  if (name === 'demo') return { num: '0123456789', name }
-  try {
-    const counter = await db.getNum(name) || { name, num: 0 }
-    const r = counter.num + 1
-    db.setNum(counter.name, r)
-    return counter
-  } catch (error) {
-    console.log("get count by name is error: ", error)
-    const errorDefaultCount = 0
-    return  errorDefaultCount
-  }
-}
-
-// the rest api get data
-// link: https://www.liaoxuefeng.com/wiki/1022910821149312/1105009634703392
-app.get('/rest/@:name', async (req, res) => {
-  const name = req.params.name
-  try {
-    const data = await getCountByName(name)
-    res.send(data)
-  } catch (error) {
-    res.send({
-      num: 0,
-      name
-    })
-  }
-})
-
 // get the image
 app.get('/get/@:name', async (req, res) => {
-  const name = req.params.name
-  const theme = req.query.theme || 'moebooru'
-  let length = PLACES, count = 0
+  const { name } = req.params
+  const { theme = 'moebooru' } = req.query
+  let length = PLACES
 
   // This helps with GitHub's image cache 
   res.set({
@@ -63,7 +33,6 @@ app.get('/get/@:name', async (req, res) => {
   })
 
   const data = await getCountByName(name)
-  count = data.num
 
   if (name === 'demo') {
     res.set({
@@ -73,8 +42,19 @@ app.get('/get/@:name', async (req, res) => {
   }
 
   // Send the generated SVG as the result
-  const renderSvg = themify.getCountImage({ count, theme, length })
+  const renderSvg = themify.getCountImage({ count: data.num, theme, length })
   res.send(renderSvg)
+
+  console.log(data, `theme: ${theme}`)
+})
+
+// JSON record
+app.get('/record/@:name', async (req, res) => {
+  const { name } = req.params
+
+  const data = await getCountByName(name)
+
+  res.json(data)
 })
 
 app.get('/heart-beat', (req, res) => {
@@ -86,17 +66,24 @@ app.get('/heart-beat', (req, res) => {
   console.log('heart-beat')
 });
 
-let port = 3000
-
-try {
-  let configPort = config.app.port
-  if (configPort) {
-    port = configPort
-  }
-} catch (error) {
-  throw new Error(error)
-}
-
-const listener = app.listen(port, () => {
+const listener = app.listen(config.app.port || 3000, () => {
   console.log('Your app is listening on port ' + listener.address().port)
 })
+
+async function getCountByName(name) {
+  const defaultCount = { name, num: 0 }
+
+  if (name === 'demo') return { name, num: '0123456789' }
+
+  try {
+    const counter = await db.getNum(name) || defaultCount
+    const num = counter.num + 1
+    db.setNum(counter.name, num)
+    return counter
+
+  } catch (error) {
+    console.log("get count by name is error: ", error)
+    return defaultCount
+
+  }
+}