Intial commit with complete library setup

.eslintrc.json

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+{
+  "env": {
+    "node": true,
+    "mocha": true,
+    "es6": true
+  },
+  "parserOptions": {
+    "arrowFunctions": true,
+    "ecmaFeatures": true,
+    "ecmaVersion": 8,
+    "sourceType": "module"
+  },
+  "extends": "eslint:recommended",
+  "rules": {
+    "indent": [2, 2, {"SwitchCase": 1}],
+    "linebreak-style": ["error", "unix"],
+    "quotes": ["error", "single"],
+    "semi": ["error", "always"],
+    "no-cond-assign": ["error", "always"],
+    "no-console": "off"
+  }
+}
+

.gitignore

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+node_modules

.travis.yml

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+language: node_js
+node_js:
+  - "node"

CONTRIBUTING.md

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+# Contributing
+
+### Thanks, for considering to contribute to this repository! 
+
+When contributing to this repository, please first discuss the change you wish to make via issue,
+email, or any other method with the owners of this repository before making a change. 
+
+If you are looking forward to start contributing to beautiful world of open source.
+**Start it right now.**
+
+The basic guidelines for contributing are as follows:  
+- Fork the repo
+- Clone the repo
+- Create a branch using 
+  - `git checkout -b feature-branch`
+- Make the required changes
+- Test the changes by using below command
+  - `yarn` (Installs all the dependencies)
+  - `yarn test`
+- Create a pull request using below commands
+  - `git add --all`
+  - `git commit -m "your commit message"`
+  - `git push origin feature-branch`
+- Go to [Repository](https://github.com/arshadkazmi42/firefox-user-directory/)
+- Create Pull Request against `master` branch
+- Add a suitable title and description to the pull request and tag the issue number in Pull Request description, if the pull request is related to some issue logged here: [Issues](https://github.com/arshadkazmi42/firefox-user-directory/issues)
+- You're done. Wait for your code to get reviewed and merged
+- Optional: Give us a :star: if you like our work :smile:

README.md

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 # firefox-user-directory
-Get abosulte path of firefox user directory - Crossplatform
+
+[![Build](https://img.shields.io/travis/com/arshadkazmi42/firefox-user-directory.svg)](https://travis-ci.com/arshadkazmi42/firefox-user-directory/)
+
+Get firefox user directory crossplatform
+
+## Install
+
+```
+npm i firefox-user-directory
+```
+
+## Usage
+
+```javascript
+
+const firefoxUserDirectory = require('firefox-user-directory');
+
+const path = firefoxUserDirectory('darwin');
+console.log(path);
+
+// Output
+// /Users/arshad/Library/Application Support/Firefox
+
+```
+
+## API
+
+- **from(url)**
+  - Returns domain name from input url
+
+## Contributing
+
+Interested in contributing to this project?
+You can log any issues or suggestion related to this library [here](https://github.com/arshadkazmi42/firefox-user-directory/issues/new)
+
+Read our contributing [guide](CONTRIBUTING.md) on getting started with contributing to the codebase
+
+## Contributors
+
+Thank you to all the contributors who have helped us in making this project better :raised_hands:
+
+<a href="https://github.com/arshadkazmi42"><img src="https://github.com/arshadkazmi42.png" width="30" /></a>

index.js

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+const os = require('os');
+const path = require('path');
+
+
+module.exports = (platform) => {
+  switch (platform || os.platform()) {
+    case 'darwin':
+      return path.join(process.env.HOME, '/Library/Application Support/Firefox');
+    case 'linux':
+      return path.join(process.env.HOME, '/.mozilla/firefox');
+    case 'win32':      
+      return path.join(process.env.APPDATA, '/Mozilla/Firefox');
+    default:
+      throw new Error('Invalid Platform');
+  }
+};