skip .gitkeep in content folders

sitegin/readFiles.js

@@ -2,9 +2,11 @@ const walk = require('walk')
 const fs = require('fs')
 const path = require('path')
 
-module.exports = obj => {
+module.exports = (obj) => {
   console.log('Build step: ReadFiles')
   const onFile = (root, fileStats, next, array) => {
+    // ignore files like .gitkeep
+    if (fileStats.name.startsWith('.')) return next()
     const filename = path.join(root, fileStats.name)
     const file = path.relative(path.join(__dirname, '..', 'content'), filename)
     fs.readFile(filename, 'utf8', (err, data) => {
@@ -22,7 +24,7 @@ module.exports = obj => {
     })
   }
 
-  const promise1 = new Promise(resolve => {
+  const promise1 = new Promise((resolve) => {
     const pages = []
     walk
       .walk(path.join(__dirname, '..', 'content', 'articles'))
@@ -38,7 +40,7 @@ module.exports = obj => {
       })
   })
 
-  const promise2 = new Promise(resolve => {
+  const promise2 = new Promise((resolve) => {
     const redirects = []
     walk
       .walk(path.join(__dirname, '..', 'content', 'redirects'))
@@ -53,8 +55,8 @@ module.exports = obj => {
         resolve({ type: 'redirects', val: redirects })
       })
   })
-  return Promise.all([promise1, promise2]).then(arr => {
-    arr.forEach(v => {
+  return Promise.all([promise1, promise2]).then((arr) => {
+    arr.forEach((v) => {
       // eslint-disable-next-line no-param-reassign
       obj[v.type] = v.val
     })