💥 Drop support for Node.js < 8.5.x

Migration Guide:

Upgrade to Node.js 8.5.0 or newer.

lib/appdmg.js

@@ -163,8 +163,10 @@ module.exports = exports = function (options) {
     async.each(global.files, function (file, cb) {
       const path = resolvePath(file.path)
 
-      fs.exists(path, function (exists) {
-        if (exists) {
+      util.pathExists(path, function (err, exists) {
+        if (err) {
+          cb(err)
+        } else if (exists) {
           cb(null)
         } else {
           cb(new Error(`"${file.path}" not found at: ${path}`))
@@ -262,11 +264,13 @@ module.exports = exports = function (options) {
     function copyPlainBackground (next) {
       const finalPath = path.join(global.bkgdir, path.basename(global.opts.background))
       global.bkgname = path.join('.background', path.basename(global.opts.background))
-      util.cp(absolutePath, finalPath, next)
+      fs.copyFile(absolutePath, finalPath, next)
     }
 
-    fs.exists(retinaPath, function (exists) {
-      if (exists) {
+    util.pathExists(retinaPath, function (err, exists) {
+      if (err) {
+        return next(err)
+      } else if (exists) {
         copyRetinaBackground(next)
       } else {
         copyPlainBackground(next)
@@ -296,7 +300,7 @@ module.exports = exports = function (options) {
   pipeline.addStep('Copying icon', function (next) {
     if (global.opts.icon) {
       const finalPath = path.join(global.temporaryMountPath, '.VolumeIcon.icns')
-      util.cp(resolvePath(global.opts.icon), finalPath, next)
+      fs.copyFile(resolvePath(global.opts.icon), finalPath, next)
     } else {
       next.skip()
     }
@@ -422,10 +426,10 @@ module.exports = exports = function (options) {
    **/
 
   pipeline.addStep('Signing image', function (next) {
-    var codeSignOptions = global.opts['code-sign']
+    const codeSignOptions = global.opts['code-sign']
     if (codeSignOptions && codeSignOptions['signing-identity']) {
-      var codeSignIdentity = codeSignOptions['signing-identity']
-      var codeSignIdentifier = codeSignOptions['identifier']
+      const codeSignIdentity = codeSignOptions['signing-identity']
+      const codeSignIdentifier = codeSignOptions['identifier']
       util.codesign(codeSignIdentity, codeSignIdentifier, global.target, next)
     } else {
       return next.skip()

lib/util.js

@@ -1,28 +1,16 @@
 'use strict'
 
 const execa = require('execa')
+const pathExists = require('path-exists')
+const util = require('util')
 const xattr = require('fs-xattr')
-const cpFile = require('cp-file')
-const alloc = require('buffer-alloc')
 
 exports.sh = function (prog, args, cb) {
-  execa(prog, args).then(function (result) {
-    setImmediate(cb, null, result)
-  }).catch(function (err) {
-    setImmediate(cb, err)
-  })
-}
-
-exports.cp = function (source, target, cb) {
-  cpFile(source, target).then(function () {
-    setImmediate(cb, null)
-  }).catch(function (err) {
-    setImmediate(cb, err)
-  })
+  util.callbackify(() => execa(prog, args))(cb)
 }
 
 exports.dusm = function (path, cb) {
-  exports.sh('du', ['-sm', path], function (err, res) {
+  exports.sh('du', ['-sm', path], (err, res) => {
     if (err) return cb(err)
 
     if (res.stderr.length > 0) {
@@ -44,16 +32,20 @@ exports.tiffutil = function (a, b, out, cb) {
 }
 
 exports.seticonflag = function (path, cb) {
-  const buf = alloc(32)
+  const buf = Buffer.alloc(32)
   buf.writeUInt8(4, 8)
-  xattr.set(path, 'com.apple.FinderInfo', buf, cb)
+  util.callbackify(() => xattr.set(path, 'com.apple.FinderInfo', buf))(cb)
 }
 
 exports.codesign = function (identity, identifier, path, cb) {
-  var args = ['--verbose', '--sign', identity]
+  let args = ['--verbose', '--sign', identity]
   if (identifier) {
     args.push('--identifier', identifier)
   }
   args.push(path)
-  exports.sh('codesign', args, function (err) { cb(err) })
+  exports.sh('codesign', args, (err) => cb(err))
+}
+
+exports.pathExists = function (path, cb) {
+  util.callbackify(() => pathExists(path))(cb)
 }

package.json

@@ -7,20 +7,19 @@
   "repository": "LinusU/node-appdmg",
   "dependencies": {
     "async": "^1.4.2",
-    "buffer-alloc": "^1.1.0",
-    "cp-file": "^3.1.0",
     "ds-store": "^0.1.5",
-    "execa": "^0.4.0",
+    "execa": "^1.0.0",
     "fs-temp": "^1.0.0",
-    "fs-xattr": "^0.1.14",
-    "image-size": "^0.5.0",
-    "is-my-json-valid": "^2.13.1",
+    "fs-xattr": "^0.3.0",
+    "image-size": "^0.7.4",
+    "is-my-json-valid": "^2.20.0",
     "minimist": "^1.1.3",
     "parse-color": "^1.0.0",
+    "path-exists": "^4.0.0",
     "repeat-string": "^1.5.4"
   },
   "engines": {
-    "node": ">=4"
+    "node": ">=8.5"
   },
   "os": [
     "darwin"
@@ -30,8 +29,8 @@
   },
   "devDependencies": {
     "capture-window": "^0.1.3",
-    "looks-same": "^2.1.0",
-    "mocha": "^2.2.5",
-    "standard": "^7.0.1"
+    "looks-same": "^7.2.1",
+    "mocha": "^6.1.4",
+    "standard": "^12.0.1"
   }
 }

test/api.js

@@ -23,8 +23,8 @@ function runAppdmg (opts, verify, cb) {
 
   ee.on('finish', function () {
     try {
-      assert.equal(progressCalled, STEPS * 2)
-      assert.equal(imageFormat(opts.target), verify.format)
+      assert.strictEqual(progressCalled, STEPS * 2)
+      assert.strictEqual(imageFormat(opts.target), verify.format)
     } catch (err) {
       return cb(err)
     }

test/lib/visually-verify-image.js

@@ -35,7 +35,7 @@ function captureAndVerify (title, expectedPath, cb) {
 
     // If the actual size is scaled by two, use the retina image.
     if (actualSize.width === expectedSize.width * 2 && actualSize.height === expectedSize.height * 2) {
-      expectedPath = expectedPath.replace(/(\.[^\.]*)$/, '@2x$1')
+      expectedPath = expectedPath.replace(/(\.[^.]*)$/, '@2x$1')
     }
 
     looksSame(pngPath, expectedPath, toleranceOpts, function (err1, ok) {