add all plugin files

.eslintrc

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+{
+  "env": {
+    "es6": true,
+    "browser": true,
+    "jquery": true,
+  },
+  "extends": "airbnb",
+  "rules": {
+    "no-console": 1,
+    "no-unused-vars": 1,
+    "no-tabs": 0,
+    "indent": [2, "tab"],
+    "react/jsx-indent": [2, "tab"],
+    "react/jsx-indent-props": [2, "tab"],
+    "react/jsx-filename-extension": 0,
+    "react/forbid-prop-types": 0,
+  },
+  "parser": "babel-eslint",
+  "parserOptions": {
+    "sourceType": "module",
+    "allowImportExportEverywhere": false,
+    "codeFrame": false
+  }
+}

.gitignore

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+# Created with the help of https://www.gitignore.io/api/wordpress,sublimetext,grunt,sass,osx,git,tower
+
+### SublimeText ###
+# cache files for sublime text
+*.tmlanguage.cache
+*.tmPreferences.cache
+*.stTheme.cache
+
+# workspace files are user-specific
+*.sublime-workspace
+
+# project files should be checked into the repository, unless a significant
+# proportion of contributors will probably not be using SublimeText
+# *.sublime-project
+
+# sftp configuration file
+sftp-config.json
+
+# Package control specific files
+Package Control.last-run
+Package Control.ca-list
+Package Control.ca-bundle
+Package Control.system-ca-bundle
+Package Control.cache/
+Package Control.ca-certs/
+bh_unicode_properties.cache
+
+# Sublime-github package stores a github token in this file
+# https://packagecontrol.io/packages/sublime-github
+GitHub.sublime-settings
+
+# Sublime-Grunt package cache file
+.sublime-grunt.cache
+
+# PHP Intel package
+.phpintel/
+
+### Grunt ###
+# Grunt usually compiles files inside this directory
+dist/
+build/
+
+# minified images
+imgmin/
+img/min/
+
+# Grunt usually preprocesses files such as coffeescript, compass... inside the .tmp directory
+.tmp/
+
+node_modules
+
+# SASS
+.sass-cache
+
+# Generated CSS files
+style.css.map
+style.css
+admin.css.map
+admin.css
+
+
+### macOS ###
+*.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Others ###
+
+# generated of README.md
+README.html
+
+#Composer
+/vendor

Gruntfile.js

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+/* eslint import/no-dynamic-require:0 */
+/* eslint global-require:0 */
+/* eslint-disable-next-line func-names */
+module.exports = function (grunt) {
+	// Utility to load the different option files
+	// based on their names
+	function loadConfig(path) {
+		const glob = require('glob');
+		const object = {};
+		let key;
+		glob.sync('*', { cwd: path }).forEach((option) => {
+			key = option.replace(/\.js$/, '');
+			object[key] = require(path + option);
+		});
+		return object;
+	}
+
+	// Initial config
+	const config = {
+		pkg: grunt.file.readJSON('package.json'),
+		env: process.env,
+		paths: {
+			// PHP assets
+			php: {
+				files_std: [ // Standard file match
+					'**/*.php',
+					'!node_modules/**',
+					'!vendor/**',
+				],
+				files: '<%= paths.php.files_std %>', // Dynamic file match
+			},
+
+			// JavaScript assets
+			js: {
+				grunt: {
+					tasks: 'tasks/**/*.js',
+					gruntfile: 'Gruntfile.js',
+				},
+				src: 'js', // Development code
+				dest: 'js/build', // Production code
+				dist_file_name: 'build.js',
+				files_std: [ 						// Standard file match
+					'<%= paths.js.src %>/**/*.js',
+					'!<%= paths.js.dest %>/**/*',
+					'<%= paths.js.grunt.tasks %>',
+					'<%= paths.js.grunt.gruntfile %>',
+				],
+				files: '<%= paths.js.files_std %>', // Dynamic file match
+			},
+		},
+	};
+
+	// Load tasks from the tasks folder
+	grunt.loadTasks('tasks');
+
+	// Load all task options in tasks/options
+	grunt.util._.extend(config, loadConfig('./tasks/options/'));
+
+	/**
+	 * Adds input source map for babel task.
+	 * Because grunt tries to read the map before it was generated, this has to be done
+	 * in a task. configureBabelInputSourceMap task must always be called before babel task.
+	 */
+	function setBabelInputSourceMap() {
+		config.babel.options.inputSourceMap = grunt.file.readJSON(`${config.paths.js.dest}/${config.paths.js.dist_file_name}.js.map`);
+	}
+	grunt.task.registerTask('configureBabelInputSourceMap', 'configures babel input source map', setBabelInputSourceMap);
+
+	grunt.initConfig(config);
+
+	grunt.event.on('watch', (action, filepath) => {
+		// Determine task based on filepath
+		function getExt(path) {
+			let ret = '';
+			const i = path.lastIndexOf('.');
+			if (i !== -1 && i <= path.length) {
+				ret = path.substr(i + 1);
+			}
+			return ret;
+		}
+
+		switch (getExt(filepath)) {
+		// PHP
+		case 'php':
+			grunt.config('paths.php.files', [filepath]);
+			break;
+			// JavaScript
+		case 'js':
+			grunt.config('paths.js.files', [filepath]);
+			break;
+		default:
+			break;
+		}
+	});
+
+	// loads any tasks listed in devDependencies in package.json
+	require('load-grunt-tasks')(grunt);
+};

README.md

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+# Scarcity Counter
+
+[![Github Releases](https://img.shields.io/github/release/SimonMayerhofer/scarcity-counter.svg)](https://github.com/SimonMayerhofer/scarcity-counter/releases)
+
+Scarcity Counter is a WordPress plugin for [artificial scarcity](https://en.wikipedia.org/wiki/Artificial_scarcity). It is great for marketing purposes. By providing timelimits and random reduction numbers it aims to make it not too obvious it's fake.
+Be aware that it is just client side. So if the user visit your site on another device another number will be visible.
+
+It works with multiple counters on a page. Use the same `id` attribute to show the same counter at different places on your page.
+
+## Demo
+You can see it in action [on Codepen](https://codepen.io/maysi/full/NMGyOV/).
+
+## Shortcode
+    [scarcity-counter id="id" start="27" min="3" reduction="3" timelimit="5000"]
+
+### Attributes
+* **id** id to identify the counter. if used multiple times, the same number is shown. defaults to `id`.
+* **start** number to start with. defaults to `27`.
+* **min** lower limit. the counter won't ever get below that limit. defaults to `3`.
+* **reduction** upper range limit. E.g. if 5 is set as the limit, the counter will be reduced by a number between 1 and 5. defaults to `3`.
+* **timelimit** number in milliseconds how long to wait until another reduction (on page reload). defaults to `5000`.
+
+
+## Requirements
+To compile this plugin, it requires the following modules installed on your system:
+
+1. [Composer][]
+2. [Grunt][]
+
+[Composer]: https://getcomposer.org/ "Composer"
+[Grunt]: https://gruntjs.com/ "Grunt"
+
+## Compilation
+
+To compile the plugin follow the following steps:
+
+1. Navigate to this plugins directory
+2. Setup composer: `composer install`
+3. Install npm modules: `npm install`
+
+After you followed the steps above you're able to compile the project with
+`grunt build`.
+
+Use `grunt watch` to watch the files for changes.
+
+FYI: You can just go to [Releases](https://github.com/SimonMayerhofer/scarcity-counter/releases) to download a already compiled release.