deepmerge => lodash.merge

- See nodeca/probe-image-size#54

lib/index.js

@@ -11,7 +11,7 @@ const path = require('path')
 const punycode = require('punycode/')
 const got = require('got')
 const escapeRe = require('escape-string-regexp')
-const merge = require('deepmerge')
+const merge = require('lodash.merge')
 const UnshortError = require('./error')
 const pkg = require('../package.json')
 
@@ -40,20 +40,18 @@ function Unshort (options) {
 
   options = options || {}
 
-  this._options = merge.all(
-    [
-      {
-        timeout: 30 * 1000,
-        retries: 1,
-        followRedirect: false, // redirects are handled manually
-        maxBuffer: 1000 * 1024, // too big reply -> not redirect
-        headers: {
-          'User-Agent': defaultAgent
-        }
-      },
-      options.request || {}
-    ],
-    { clone: true }
+  this._options = merge(
+    {},
+    {
+      timeout: 30 * 1000,
+      retries: 1,
+      followRedirect: false, // redirects are handled manually
+      maxBuffer: 1000 * 1024, // too big reply -> not redirect
+      headers: {
+        'User-Agent': defaultAgent
+      }
+    },
+    options.request || {}
   )
 
   // config data with compiled regexps and fetch functions attached
@@ -153,7 +151,7 @@ Unshort.prototype.add = function (domain, options) {
 // replace this with a stub).
 //
 Unshort.prototype.request = function (url, options) {
-  const opts = merge.all([{}, this._options, options || {}], { clone: true })
+  const opts = merge({}, this._options, options || {})
 
   return got(url, opts)
 }

package.json

@@ -21,11 +21,11 @@
   ],
   "dependencies": {
     "cheerio": "^0.22.0",
-    "deepmerge": "^1.3.1",
     "escape-string-regexp": "^4.0.0",
     "got": "^11.8.3",
     "is-google-domain": "^1.0.0",
     "js-yaml": "^4.1.0",
+    "lodash.merge": "^4.6.2",
     "mdurl": "^1.0.0",
     "punycode": "^2.0.1"
   },