init

.editorconfig

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+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[package.json]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false

.gitattributes

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+* text=auto

.gitignore

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+node_modules

.jshintrc

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+{
+	"node": true,
+	"esnext": true,
+	"bitwise": true,
+	"camelcase": true,
+	"curly": true,
+	"immed": true,
+	"newcap": true,
+	"noarg": true,
+	"undef": true,
+	"unused": "vars",
+	"strict": true
+}

.travis.yml

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+sudo: false
+language: node_js
+node_js:
+  - 'iojs'
+  - '0.12'

index.js

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+'use strict';
+
+module.exports = function (o) {
+	return Object.prototype.toString.call(o) === '[object Map]';
+};

license

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+The MIT License (MIT)
+
+Copyright (c) Arthur Verschaeve
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

package.json

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+{
+  "name": "is-map",
+  "version": "0.0.0",
+  "description": "Easily check if a givin object is an ES6 Map",
+  "keywords": [
+    "map",
+    "es6",
+    "esnext",
+    "harmony",
+    "typeof",
+    "type",
+    "object"
+  ],
+  "license": "MIT",
+  "author": "Arthur Verschaeve <contact@arthurverschaeve.be>",
+  "files": [
+    "index.js"
+  ],
+  "repository": "arthurvr/is-map",
+  "scripts": {
+    "test": "node test/test.js"
+  },
+  "devDependencies": {
+    "ava": "^0.0.4"
+  },
+  "engines": {
+    "node": ">=0.12.0"
+  }
+}

readme.md

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+# is-map [![Build Status](https://travis-ci.org/arthurvr/is-map.svg?branch=master)](https://travis-ci.org/arthurvr/is-map)
+
+> Node module to easily check if an object is an [ES6 `Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)
+
+## Installation
+
+```
+$ npm install is-map --save
+```
+
+## Usage
+
+```javascript
+var isMap = require('is-map');
+
+isMap(new Map());
+//=> true
+
+isMap({});
+//=> false
+```
+
+## License
+
+MIT © Arthur Verschaeve

test/test.js

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+'use strict';
+
+var test = require('ava');
+var isMap = require('../');
+
+test(function (t) {
+	t.assert(isMap(new Map()));
+	t.assert(!isMap(new Set()));
+	t.assert(!isMap({}));
+});