perf: drop isobject check (#14)

wtgtybhertgeghgtwtg · Jun 10, 2018 · 8805c46 · 8805c46
1 parent 46bee61
commit 8805c46
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Showing 2 changed files with 1 addition and 7 deletions.
diff --git a/package.json b/package.json
@@ -6,9 +6,6 @@
   "bugs": {
     "url": "https://github.com/wtgtybhertgeghgtwtg/get-certain/issues"
   },
-  "dependencies": {
-    "isobject": "^3.0.1"
-  },
   "description": "Assert a Map has a given key and return the value for it.",
   "devDependencies": {
     "@babel/core": "^7.0.0-beta.46",

diff --git a/src/getCertain.js b/src/getCertain.js
@@ -1,16 +1,13 @@
 // @flow
 import assert from 'assert';
-import isobject from 'isobject';
 
 export default function getCertain<Key, Value>(
   map: Map<Key, Value>,
   key: Key,
   message: string = '"map" does not have an entry for "key".',
 ): Value {
   assert(
-    isobject(map) &&
-      typeof map.get === 'function' &&
-      typeof map.has === 'function',
+    map && typeof map.get === 'function' && typeof map.has === 'function',
     // Or at least look like a Map.
     '"map" must be a Map.',
   );