Remove assert dependency (#85)

Author: neiker

package.json

@@ -32,7 +32,6 @@
     "url": "https://github.com/neiker/analytics-react-native/issues"
   },
   "dependencies": {
-    "assert": "1.4.1",
     "base-64": "0.1.0",
     "type-of": "2.0.1"
   },

src/helpers/assert.js

@@ -0,0 +1,5 @@
+export default function assert(condition, message) {
+  if (!condition) {
+    throw new Error(message);
+  }
+}

src/helpers/validate.js

@@ -1,5 +1,5 @@
-import assert from 'assert';
 import typeOf from 'type-of';
+import assert from './assert';
 
 /**
  * Validation rules.

src/index.js

@@ -1,6 +1,6 @@
-import assert from 'assert';
 import base64 from 'base-64';
 
+import assert from './helpers/assert';
 import validate from './helpers/validate';
 import fetchRetry from './helpers/fetch-retry';
 import uid from './helpers/uid';

yarn.lock

@@ -150,12 +150,6 @@ assert-plus@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
 
-[email protected]:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/assert/-/assert-1.4.1.tgz#99912d591836b5a6f5b345c0f07eefc08fc65d91"
-  dependencies:
-    util "0.10.3"
-
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -1912,7 +1906,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@^2.0.1, inherits@~2.0.0, inherits@~2.0.1, inherits@2, [email protected]:
+inherits@^2.0.1, inherits@~2.0.0, inherits@~2.0.1, inherits@2:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
 
@@ -3523,12 +3517,6 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
-[email protected]:
-  version "0.10.3"
-  resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
-  dependencies:
-    inherits "2.0.1"
-
 [email protected]:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"