Fix mocking

Author: ehmicky

__mocks__/cpx.js

@@ -1,13 +1,18 @@
+const fs = require('fs')
 const path = require('path')
+const util = require('util')
+
 const nextOnNetlify = require('next-on-netlify')
 const { PHASE_PRODUCTION_BUILD } = require('next/constants')
 const { default: loadConfig } = require('next/dist/next-server/server/config')
-const makef = require('makef')
 const makeDir = require('make-dir')
 const pathExists = require('path-exists')
 const cpx = require('cpx')
+
 const isStaticExportProject = require('./helpers/isStaticExportProject')
 
+const pWriteFile = util.promisify(fs.writeFile)
+
 // * Helpful Plugin Context *
 // - Between the prebuild and build steps, the project's build command is run
 // - Between the build and postbuild steps, any functions are bundled
@@ -64,7 +69,7 @@ module.exports = {
             target: 'serverless'
           }
         `
-      makef.createFile({ 'next.config.js': nextConfig })
+      await pWriteFile('next.config.js', nextConfig)
       console.log(`** Adding next.config.js with target set to 'serverless' **`)
     }
   },

__mocks__/make-dir.js

@@ -26,7 +26,6 @@
   "dependencies": {
     "cpx": "^1.5.0",
     "make-dir": "^3.1.0",
-    "makef": "^1.0.0",
     "next": "^9.5.3",
     "next-on-netlify": "^2.6.0",
     "path-exists": "^4.0.0"
@@ -37,7 +36,8 @@
     "jest": "^26.6.1",
     "prettier": "^2.1.2",
     "react": "^17.0.1",
-    "react-dom": "^17.0.1"
+    "react-dom": "^17.0.1",
+    "tmp-promise": "^3.0.2"
   },
   "husky": {
     "hooks": {