fix lint errors

src/cli/run.js

@@ -14,7 +14,7 @@ function prettyPrint(argv, object, rules) {
 
   console.log()
   console.log(chalk.bold('  Resources'))
-  for (let prop in object) {
+  for (const prop in object) {
     console.log(`  ${root}/${prop}`)
   }
 
@@ -37,7 +37,7 @@ function createApp(db, routes, middlewares, argv) {
 
   const { foreignKeySuffix } = argv
 
-  let router = jsonServer.router(
+  const router = jsonServer.router(
     db,
     foreignKeySuffix ? { foreignKeySuffix } : undefined
   )
@@ -138,9 +138,7 @@ module.exports = function(argv) {
         if (error.errno === 'EADDRINUSE')
           console.log(
             chalk.red(
-              `Cannot bind to the port ${
+              `Cannot bind to the port ${error.port}. Please specify another port number either through --port argument or through the json-server.json configuration file`
-                error.port
-              }. Please specify another port number either through --port argument or through the json-server.json configuration file`
             )
           )
         else console.log('Some error occurred', error)

src/server/mixins.js

@@ -62,7 +62,7 @@ function deepQuery(value, q) {
         }
       }
     } else if (_.isObject(value) && !_.isArray(value)) {
-      for (let k in value) {
+      for (const k in value) {
         if (_.deepQuery(value[k], q)) {
           return true
         }

src/server/router/plural.js

@@ -58,11 +58,11 @@ module.exports = (db, name, opts) => {
     let _start = req.query._start
     let _end = req.query._end
     let _page = req.query._page
-    let _sort = req.query._sort
+    const _sort = req.query._sort
-    let _order = req.query._order
+    const _order = req.query._order
     let _limit = req.query._limit
-    let _embed = req.query._embed
+    const _embed = req.query._embed
-    let _expand = req.query._expand
+    const _expand = req.query._expand
     delete req.query.q
     delete req.query._start
     delete req.query._end
@@ -76,7 +76,7 @@ module.exports = (db, name, opts) => {
     // in the database
     Object.keys(req.query).forEach(query => {
       const arr = db.get(name).value()
-      for (let i in arr) {
+      for (const i in arr) {
         if (
           _.has(arr[i], query) ||
           query === 'callback' ||
@@ -100,7 +100,7 @@ module.exports = (db, name, opts) => {
       q = q.toLowerCase()
 
       chain = chain.filter(obj => {
-        for (let key in obj) {
+        for (const key in obj) {
           const value = obj[key]
           if (db._.deepQuery(value, q)) {
             return true