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Filename : rater-js.js
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.raterJs = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
	"use strict";
	
	/*! rater-js. [c] 2018 Fredrik Olsson. MIT License */
	var css = require('./style.css');
	
	module.exports = function (options) {
	  //private fields
	  var showToolTip = true;
	
	  if (typeof options.element === "undefined" || options.element === null) {
		throw new Error("element required");
	  }
	
	  if (typeof options.showToolTip !== "undefined") {
		showToolTip = !!options.showToolTip;
	  }
	
	  if (typeof options.step !== "undefined") {
		if (options.step <= 0 || options.step > 1) {
		  throw new Error("step must be a number between 0 and 1");
		}
	  }
	
	  var elem = options.element;
	  var reverse = options.reverse;
	  var stars = options.max || 5;
	  var starSize = options.starSize || 16;
	  var step = options.step || 1;
	  var onHover = options.onHover;
	  var onLeave = options.onLeave;
	  var rating = null;
	  var myRating;
	  elem.classList.add("star-rating");
	  var div = document.createElement("div");
	  div.classList.add("star-value");
	
	  if (reverse) {
		div.classList.add("rtl");
	  }
	
	  div.style.backgroundSize = starSize + "px";
	  elem.appendChild(div);
	  elem.style.width = starSize * stars + "px";
	  elem.style.height = starSize + "px";
	  elem.style.backgroundSize = starSize + "px";
	  var callback = options.rateCallback;
	  var disabled = !!options.readOnly;
	  var disableText;
	  var isRating = false;
	  var isBusyText = options.isBusyText;
	  var currentRating;
	  var ratingText;
	
	  if (typeof options.disableText !== "undefined") {
		disableText = options.disableText;
	  } else {
		disableText = "{rating}/{maxRating}";
	  }
	
	  if (typeof options.ratingText !== "undefined") {
		ratingText = options.ratingText;
	  } else {
		ratingText = "{rating}/{maxRating}";
	  }
	
	  if (options.rating) {
		setRating(options.rating);
	  } else {
		var dataRating = elem.dataset.rating;
	
		if (dataRating) {
		  setRating(+dataRating);
		}
	  }
	
	  if (!rating) {
		elem.querySelector(".star-value").style.width = "0px";
	  }
	
	  if (disabled) {
		disable();
	  } //private methods
	
	
	  function onMouseMove(e) {
		onMove(e, false);
	  }
	  /**
	   * Called by eventhandlers when mouse or touch events are triggered
	   * @param {MouseEvent} e
	   */
	
	
	  function onMove(e, isTouch) {
		if (disabled === true || isRating === true) {
		  return;
		}
	
		var xCoor = null;
		var percent;
		var width = elem.offsetWidth;
		var parentOffset = elem.getBoundingClientRect();
	
		if (reverse) {
		  if (isTouch) {
			xCoor = e.changedTouches[0].pageX - parentOffset.left;
		  } else {
			xCoor = e.pageX - window.scrollX - parentOffset.left;
		  }
	
		  var relXRtl = width - xCoor;
		  var valueForDivision = width / 100;
		  percent = relXRtl / valueForDivision;
		} else {
		  if (isTouch) {
			xCoor = e.changedTouches[0].pageX - parentOffset.left;
		  } else {
			xCoor = e.offsetX;
		  }
	
		  percent = xCoor / width * 100;
		}
	
		if (percent < 101) {
		  if (step === 1) {
			currentRating = Math.ceil(percent / 100 * stars);
		  } else {
			var rat = percent / 100 * stars;
	
			for (var i = 0;; i += step) {
			  if (i >= rat) {
				currentRating = i;
				break;
			  }
			}
		  } //todo: check why this happens and fix
	
	
		  if (currentRating > stars) {
			currentRating = stars;
		  }
	
		  elem.querySelector(".star-value").style.width = currentRating / stars * 100 + "%";
	
		  if (showToolTip) {
			var toolTip = ratingText.replace("{rating}", currentRating);
			toolTip = toolTip.replace("{maxRating}", stars);
			elem.setAttribute("title", toolTip);
		  }
	
		  if (typeof onHover === "function") {
			onHover(currentRating, rating);
		  }
		}
	  }
	  /**
	   * Called when mouse is released. This function will update the view with the rating.
	   * @param {MouseEvent} e
	   */
	
	
	  function onStarOut(e) {
		if (!rating) {
		  elem.querySelector(".star-value").style.width = "0%";
		  elem.removeAttribute("data-rating");
		} else {
		  elem.querySelector(".star-value").style.width = rating / stars * 100 + "%";
		  elem.setAttribute("data-rating", rating);
		}
	
		if (typeof onLeave === "function") {
		  onLeave(currentRating, rating);
		}
	  }
	  /**
	   * Called when star is clicked.
	   * @param {MouseEvent} e
	   */
	
	
	  function onStarClick(e) {
		if (disabled === true) {
		  return;
		}
	
		if (isRating === true) {
		  return;
		}
	
		if (typeof callback !== "undefined") {
		  isRating = true;
		  myRating = currentRating;
	
		  if (typeof isBusyText === "undefined") {
			elem.removeAttribute("title");
		  } else {
			elem.setAttribute("title", isBusyText);
		  }
	
		  elem.classList.add("is-busy");
		  callback.call(this, myRating, function () {
			if (disabled === false) {
			  elem.removeAttribute("title");
			}
	
			isRating = false;
			elem.classList.remove("is-busy");
		  });
		}
	  }
	  /**
	   * Disables the rater so that it's not possible to click the stars.
	   */
	
	
	  function disable() {
		disabled = true;
		elem.classList.add("disabled");
	
		if (showToolTip && !!disableText) {
		  var toolTip = disableText.replace("{rating}", !!rating ? rating : 0);
		  toolTip = toolTip.replace("{maxRating}", stars);
		  elem.setAttribute("title", toolTip);
		} else {
		  elem.removeAttribute("title");
		}
	  }
	  /**
	   * Enabled the rater so that it's possible to click the stars.
	   */
	
	
	  function enable() {
		disabled = false;
		elem.removeAttribute("title");
		elem.classList.remove("disabled");
	  }
	  /**
	   * Sets the rating
	   */
	
	
	  function setRating(value) {
		if (typeof value === "undefined") {
		  throw new Error("Value not set.");
		}
	
		if (value === null) {
		  throw new Error("Value cannot be null.");
		}
	
		if (typeof value !== "number") {
		  throw new Error("Value must be a number.");
		}
	
		if (value < 0 || value > stars) {
		  throw new Error("Value too high. Please set a rating of " + stars + " or below.");
		}
	
		rating = value;
		elem.querySelector(".star-value").style.width = value / stars * 100 + "%";
		elem.setAttribute("data-rating", value);
	  }
	  /**
	   * Gets the rating
	   */
	
	
	  function getRating() {
		return rating;
	  }
	  /**
	   * Set the rating to a value to inducate it's not rated.
	   */
	
	
	  function clear() {
		rating = null;
		elem.querySelector(".star-value").style.width = "0px";
		elem.removeAttribute("title");
	  }
	  /**
	   * Remove event handlers.
	   */
	
	
	  function dispose() {
		elem.removeEventListener("mousemove", onMouseMove);
		elem.removeEventListener("mouseleave", onStarOut);
		elem.removeEventListener("click", onStarClick);
		elem.removeEventListener("touchmove", handleMove, false);
		elem.removeEventListener("touchstart", handleStart, false);
		elem.removeEventListener("touchend", handleEnd, false);
		elem.removeEventListener("touchcancel", handleCancel, false);
	  }
	
	  elem.addEventListener("mousemove", onMouseMove);
	  elem.addEventListener("mouseleave", onStarOut);
	  var module = {
		setRating: setRating,
		getRating: getRating,
		disable: disable,
		enable: enable,
		clear: clear,
		dispose: dispose,
	
		get element() {
		  return elem;
		}
	
	  };
	  /**
	  * Handles touchmove event.
	  * @param {TouchEvent} e
	  */
	
	  function handleMove(e) {
		e.preventDefault();
		onMove(e, true);
	  }
	  /**
	   * Handles touchstart event.
	   * @param {TouchEvent} e 
	   */
	
	
	  function handleStart(e) {
		e.preventDefault();
		onMove(e, true);
	  }
	  /**
	   * Handles touchend event.
	   * @param {TouchEvent} e 
	   */
	
	
	  function handleEnd(evt) {
		evt.preventDefault();
		onMove(evt, true);
		onStarClick.call(module);
	  }
	  /**
	   * Handles touchend event.
	   * @param {TouchEvent} e 
	   */
	
	
	  function handleCancel(e) {
		e.preventDefault();
		onStarOut(e);
	  }
	
	  elem.addEventListener("click", onStarClick.bind(module));
	  elem.addEventListener("touchmove", handleMove, false);
	  elem.addEventListener("touchstart", handleStart, false);
	  elem.addEventListener("touchend", handleEnd, false);
	  elem.addEventListener("touchcancel", handleCancel, false);
	  return module;
	};
	
	},{"./style.css":2}],2:[function(require,module,exports){
	var css = ".star-rating {\n  width: 0;\n  position: relative;\n  display: inline-block;\n  background-image: url(data:image/svg+xml;base64,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);\n  background-position: 0 0;\n  background-repeat: repeat-x;\n  cursor: pointer;\n}\n.star-rating .star-value {\n  position: absolute;\n  height: 100%;\n  width: 100%;\n  background: url('data:image/svg+xml;base64,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');\n  background-repeat: repeat-x;\n}\n.star-rating.disabled {\n  cursor: default;\n}\n.star-rating.is-busy {\n  cursor: wait;\n}\n.star-rating .star-value.rtl {\n  -moz-transform: scaleX(-1);\n  -o-transform: scaleX(-1);\n  -webkit-transform: scaleX(-1);\n  transform: scaleX(-1);\n  filter: FlipH;\n  -ms-filter: \"FlipH\";\n  right: 0;\n  left: auto;\n}\n"; (require("browserify-css").createStyle(css, { "href": "lib\\style.css" }, { "insertAt": "bottom" })); module.exports = css;
	},{"browserify-css":3}],3:[function(require,module,exports){
	'use strict';
	// For more information about browser field, check out the browser field at https://github.com/substack/browserify-handbook#browser-field.
	
	var styleElementsInsertedAtTop = [];
	
	var insertStyleElement = function(styleElement, options) {
		var head = document.head || document.getElementsByTagName('head')[0];
		var lastStyleElementInsertedAtTop = styleElementsInsertedAtTop[styleElementsInsertedAtTop.length - 1];
	
		options = options || {};
		options.insertAt = options.insertAt || 'bottom';
	
		if (options.insertAt === 'top') {
			if (!lastStyleElementInsertedAtTop) {
				head.insertBefore(styleElement, head.firstChild);
			} else if (lastStyleElementInsertedAtTop.nextSibling) {
				head.insertBefore(styleElement, lastStyleElementInsertedAtTop.nextSibling);
			} else {
				head.appendChild(styleElement);
			}
			styleElementsInsertedAtTop.push(styleElement);
		} else if (options.insertAt === 'bottom') {
			head.appendChild(styleElement);
		} else {
			throw new Error('Invalid value for parameter \'insertAt\'. Must be \'top\' or \'bottom\'.');
		}
	};
	
	module.exports = {
		// Create a <link> tag with optional data attributes
		createLink: function(href, attributes) {
			var head = document.head || document.getElementsByTagName('head')[0];
			var link = document.createElement('link');
	
			link.href = href;
			link.rel = 'stylesheet';
	
			for (var key in attributes) {
				if ( ! attributes.hasOwnProperty(key)) {
					continue;
				}
				var value = attributes[key];
				link.setAttribute('data-' + key, value);
			}
	
			head.appendChild(link);
		},
		// Create a <style> tag with optional data attributes
		createStyle: function(cssText, attributes, extraOptions) {
			extraOptions = extraOptions || {};
	
			var style = document.createElement('style');
			style.type = 'text/css';
	
			for (var key in attributes) {
				if ( ! attributes.hasOwnProperty(key)) {
					continue;
				}
				var value = attributes[key];
				style.setAttribute('data-' + key, value);
			}
	
			if (style.sheet) { // for jsdom and IE9+
				style.innerHTML = cssText;
				style.sheet.cssText = cssText;
				insertStyleElement(style, { insertAt: extraOptions.insertAt });
			} else if (style.styleSheet) { // for IE8 and below
				insertStyleElement(style, { insertAt: extraOptions.insertAt });
				style.styleSheet.cssText = cssText;
			} else { // for Chrome, Firefox, and Safari
				style.appendChild(document.createTextNode(cssText));
				insertStyleElement(style, { insertAt: extraOptions.insertAt });
			}
		}
	};
	
	},{}]},{},[1])(1)
	});