fix: use defu instead of defaults-deep

fixes #7
nuxt/nuxt#4971

package.json

@@ -19,7 +19,7 @@
     "src"
   ],
   "dependencies": {
-    "defaults-deep": "^0.2.4"
+    "defu": "^0.0.1"
   },
   "devDependencies": {
     "axios": "^0.18.0",

src/index.js

@@ -1,11 +1,11 @@
 const path = require('path')
-const defaultsDeep = require('defaults-deep')
+const defu = require('defu')
 
 const defaults = require('./defaults')
 
 module.exports = function createServePlaceholder (_options) {
   // Assign default options
-  const options = defaultsDeep({}, _options, defaults)
+  const options = defu(_options, defaults)
 
   return function servePlaceholderMiddleware (req, res, next) {
     // Get url from req object

yarn.lock

@@ -1052,15 +1052,6 @@ default-require-extensions@^2.0.0:
   dependencies:
     strip-bom "^3.0.0"
 
-defaults-deep@^0.2.4:
-  version "0.2.4"
-  resolved "https://registry.yarnpkg.com/defaults-deep/-/defaults-deep-0.2.4.tgz#a479cfeafce025810fb93aa8d2dde0ee2d677cc6"
-  integrity sha512-V6BtqzcMvn0EPOy7f+SfMhfmTawq+7UQdt9yZH0EBK89+IHo5f+Hse/qzTorAXOBrQpxpwb6cB/8OgtaMrT+Fg==
-  dependencies:
-    for-own "^0.1.3"
-    is-extendable "^0.1.1"
-    lazy-cache "^0.2.3"
-
 define-properties@^1.1.2:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -1090,6 +1081,11 @@ define-property@^2.0.2:
     is-descriptor "^1.0.2"
     isobject "^3.0.1"
 
+defu@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/defu/-/defu-0.0.1.tgz#74dc4d64e401d7f95c6755fe98bc5cd688833a8f"
+  integrity sha512-Pz9yznbSzVTNA67lcfqVnktROx2BrrBBcmQqGrfe0zdiN5pl5GQogLA4uaP3U1pR1LHIZpEYTAh2sn+v4rH1dA==
+
 del@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/del/-/del-3.0.0.tgz#53ecf699ffcbcb39637691ab13baf160819766e5"
@@ -1643,18 +1639,11 @@ follow-redirects@^1.3.0:
   dependencies:
     debug "=3.1.0"
 
-for-in@^1.0.1, for-in@^1.0.2:
+for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
   integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
 
-for-own@^0.1.3:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
-  integrity sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=
-  dependencies:
-    for-in "^1.0.1"
-
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -2850,11 +2839,6 @@ kleur@^3.0.0:
   resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.1.tgz#4f5b313f5fa315432a400f19a24db78d451ede62"
   integrity sha512-P3kRv+B+Ra070ng2VKQqW4qW7gd/v3iD8sy/zOdcYRsfiD+QBokQNOps/AfP6Hr48cBhIIBFWckB9aO+IZhrWg==
 
-lazy-cache@^0.2.3:
-  version "0.2.7"
-  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-0.2.7.tgz#7feddf2dcb6edb77d11ef1d117ab5ffdf0ab1b65"
-  integrity sha1-f+3fLctu23fRHvHRF6tf/fCrG2U=
-
 lcid@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"