JS Lab 2

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+Copyright (c) 2014 Forbes Lindesay
+
+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.
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+declare function isPromise<T, S>(obj: PromiseLike<T> | S): obj is PromiseLike<T>;
+export default isPromise;
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+module.exports = isPromise;
+module.exports.default = isPromise;
+
+function isPromise(obj) {
+  return !!obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function';
+}
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+export default function isPromise(obj) {
+  return !!obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function';
+}
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+{
+  "name": "is-promise",
+  "version": "4.0.0",
+  "description": "Test whether an object looks like a promises-a+ promise",
+  "main": "./index.js",
+  "scripts": {
+    "test": "node test"
+  },
+  "files": [
+    "index.js",
+    "index.mjs",
+    "index.d.ts"
+  ],
+  "exports": {
+    ".": [
+      {
+        "import": "./index.mjs",
+        "require": "./index.js",
+        "default": "./index.js"
+      },
+      "./index.js"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/then/is-promise.git"
+  },
+  "author": "ForbesLindesay",
+  "license": "MIT"
+}
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+<a href="https://promisesaplus.com/"><img src="https://promisesaplus.com/assets/logo-small.png" align="right" /></a>
+
+# is-promise
+
+  Test whether an object looks like a promises-a+ promise
+
+ [![Build Status](https://img.shields.io/travis/then/is-promise/master.svg)](https://travis-ci.org/then/is-promise)
+ [![Dependency Status](https://img.shields.io/david/then/is-promise.svg)](https://david-dm.org/then/is-promise)
+ [![NPM version](https://img.shields.io/npm/v/is-promise.svg)](https://www.npmjs.org/package/is-promise)
+
+
+
+## Installation
+
+    $ npm install is-promise
+
+You can also use it client side via npm.
+
+## API
+
+```typescript
+import isPromise from 'is-promise';
+
+isPromise(Promise.resolve());//=>true
+isPromise({then:function () {...}});//=>true
+isPromise(null);//=>false
+isPromise({});//=>false
+isPromise({then: true})//=>false
+```
+
+## License
+
+  MIT