diff --git a/.nvmrc b/.nvmrc
index a2f28f43be..559d6961d5 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-8.4.0
+8.16.1
diff --git a/HISTORY.md b/HISTORY.md
index 9cd628841b..ad76cb30e2 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,4 +1,6 @@
 # React-Select
+## v1.4.0 / 2019-09-27
+* support duplicate for multiselect by passing `duplicate` prop to Select component
 
 ## v1.3.0 / 2018-06-23
 * [#2777](https://github.com/JedWatson/react-select/pull/2777) pass entire event to `shouldKeyDownEventCreateNewOption`
diff --git a/dist/react-select.es.js b/dist/react-select.es.js
index c198956c8e..f8a322897c 100644
--- a/dist/react-select.es.js
+++ b/dist/react-select.es.js
@@ -407,6 +407,34 @@ var possibleConstructorReturn = function (self, call) {
   return call && (typeof call === "object" || typeof call === "function") ? call : self;
 };
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+var toConsumableArray = function (arr) {
+  if (Array.isArray(arr)) {
+    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+    return arr2;
+  } else {
+    return Array.from(arr);
+  }
+};
+
 var Option = function (_React$Component) {
 	inherits(Option, _React$Component);
 
@@ -1285,13 +1313,17 @@ var Select$1 = function (_React$Component) {
 					inputValue: this.handleInputValueChange(updatedValue),
 					isOpen: !this.props.closeOnSelect
 				}, function () {
-					var valueArray = _this3.getValueArray(_this3.props.value);
-					if (valueArray.some(function (i) {
-						return i[_this3.props.valueKey] === value[_this3.props.valueKey];
-					})) {
-						_this3.removeValue(value);
-					} else {
+					if (_this3.props.duplicate) {
 						_this3.addValue(value);
+					} else {
+						var valueArray = _this3.getValueArray(_this3.props.value);
+						if (valueArray.some(function (i) {
+							return i[_this3.props.valueKey] === value[_this3.props.valueKey];
+						})) {
+							_this3.removeValue(value);
+						} else {
+							_this3.addValue(value);
+						}
 					}
 				});
 			} else {
@@ -1338,9 +1370,24 @@ var Select$1 = function (_React$Component) {
 			var _this4 = this;
 
 			var valueArray = this.getValueArray(this.props.value);
-			this.setValue(valueArray.filter(function (i) {
-				return i[_this4.props.valueKey] !== value[_this4.props.valueKey];
-			}));
+
+			if (this.props.duplicate) {
+				valueArray = [].concat(toConsumableArray(valueArray));
+				valueArray.reverse();
+				var index = valueArray.findIndex(function (i) {
+					return i[_this4.props.valueKey] === value[_this4.props.valueKey];
+				});
+				if (index > -1) {
+					valueArray.splice(index, 1);
+				}
+				valueArray.reverse();
+				this.setValue(valueArray);
+			} else {
+				this.setValue(valueArray.filter(function (i) {
+					return i[_this4.props.valueKey] !== value[_this4.props.valueKey];
+				}));
+			}
+
 			this.focus();
 		}
 	}, {
@@ -1922,6 +1969,7 @@ Select$1.propTypes = {
 	deleteRemoves: PropTypes.bool, // whether delete removes an item if there is no text input
 	delimiter: PropTypes.string, // delimiter to use to join multiple values for the hidden field value
 	disabled: PropTypes.bool, // whether the Select is disabled or not
+	duplicate: PropTypes.bool, // whether the Select allows the same option to be selected multiple times
 	escapeClearsValue: PropTypes.bool, // whether escape clears the value when the menu is closed
 	filterOption: PropTypes.func, // method to filter a single option (option, filterString)
 	filterOptions: PropTypes.any, // boolean to enable default filtering or function to filter the options array ([options], filterString, [values])
@@ -1994,6 +2042,7 @@ Select$1.defaultProps = {
 	deleteRemoves: true,
 	delimiter: ',',
 	disabled: false,
+	duplicate: false,
 	escapeClearsValue: true,
 	filterOptions: filterOptions,
 	ignoreAccents: true,
diff --git a/dist/react-select.js b/dist/react-select.js
index a76dcfc364..26ea4d734e 100644
--- a/dist/react-select.js
+++ b/dist/react-select.js
@@ -412,6 +412,34 @@ var possibleConstructorReturn = function (self, call) {
   return call && (typeof call === "object" || typeof call === "function") ? call : self;
 };
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+var toConsumableArray = function (arr) {
+  if (Array.isArray(arr)) {
+    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+    return arr2;
+  } else {
+    return Array.from(arr);
+  }
+};
+
 var Option = function (_React$Component) {
 	inherits(Option, _React$Component);
 
@@ -1290,13 +1318,17 @@ var Select$1 = function (_React$Component) {
 					inputValue: this.handleInputValueChange(updatedValue),
 					isOpen: !this.props.closeOnSelect
 				}, function () {
-					var valueArray = _this3.getValueArray(_this3.props.value);
-					if (valueArray.some(function (i) {
-						return i[_this3.props.valueKey] === value[_this3.props.valueKey];
-					})) {
-						_this3.removeValue(value);
-					} else {
+					if (_this3.props.duplicate) {
 						_this3.addValue(value);
+					} else {
+						var valueArray = _this3.getValueArray(_this3.props.value);
+						if (valueArray.some(function (i) {
+							return i[_this3.props.valueKey] === value[_this3.props.valueKey];
+						})) {
+							_this3.removeValue(value);
+						} else {
+							_this3.addValue(value);
+						}
 					}
 				});
 			} else {
@@ -1343,9 +1375,24 @@ var Select$1 = function (_React$Component) {
 			var _this4 = this;
 
 			var valueArray = this.getValueArray(this.props.value);
-			this.setValue(valueArray.filter(function (i) {
-				return i[_this4.props.valueKey] !== value[_this4.props.valueKey];
-			}));
+
+			if (this.props.duplicate) {
+				valueArray = [].concat(toConsumableArray(valueArray));
+				valueArray.reverse();
+				var index = valueArray.findIndex(function (i) {
+					return i[_this4.props.valueKey] === value[_this4.props.valueKey];
+				});
+				if (index > -1) {
+					valueArray.splice(index, 1);
+				}
+				valueArray.reverse();
+				this.setValue(valueArray);
+			} else {
+				this.setValue(valueArray.filter(function (i) {
+					return i[_this4.props.valueKey] !== value[_this4.props.valueKey];
+				}));
+			}
+
 			this.focus();
 		}
 	}, {
@@ -1927,6 +1974,7 @@ Select$1.propTypes = {
 	deleteRemoves: PropTypes.bool, // whether delete removes an item if there is no text input
 	delimiter: PropTypes.string, // delimiter to use to join multiple values for the hidden field value
 	disabled: PropTypes.bool, // whether the Select is disabled or not
+	duplicate: PropTypes.bool, // whether the Select allows the same option to be selected multiple times
 	escapeClearsValue: PropTypes.bool, // whether escape clears the value when the menu is closed
 	filterOption: PropTypes.func, // method to filter a single option (option, filterString)
 	filterOptions: PropTypes.any, // boolean to enable default filtering or function to filter the options array ([options], filterString, [values])
@@ -1999,6 +2047,7 @@ Select$1.defaultProps = {
 	deleteRemoves: true,
 	delimiter: ',',
 	disabled: false,
+	duplicate: false,
 	escapeClearsValue: true,
 	filterOptions: filterOptions,
 	ignoreAccents: true,
diff --git a/dist/react-select.min.js b/dist/react-select.min.js
index 7ce8b7f14f..4cb7d89f4e 100644
--- a/dist/react-select.min.js
+++ b/dist/react-select.min.js
@@ -1 +1 @@
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t(require("react-input-autosize"),require("classnames"),require("prop-types"),require("react"),require("react-dom")):"function"==typeof define&&define.amd?define(["react-input-autosize","classnames","prop-types","react","react-dom"],t):e.Select=t(e.AutosizeInput,e.classNames,e.PropTypes,e.React,e.ReactDOM)}(this,function(e,t,u,n,s){"use strict";e=e&&e.hasOwnProperty("default")?e.default:e,t=t&&t.hasOwnProperty("default")?t.default:t,u=u&&u.hasOwnProperty("default")?u.default:u;var o="default"in 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this.props.onClick||this.props.value.href?o.createElement("a",{className:"Select-value-label",href:this.props.value.href,target:this.props.value.target,onMouseDown:this.handleMouseDown,onTouchEnd:this.handleMouseDown},this.props.children):o.createElement("span",{className:"Select-value-label",role:"option","aria-selected":"true",id:this.props.id},this.props.children)}},{key:"render",value:function(){return o.createElement("div",{className:t("Select-value",this.props.value.disabled?"Select-value-disabled":"",this.props.value.className),style:this.props.value.style,title:this.props.value.title},this.renderRemoveIcon(),this.renderLabel())}}]),u}(o.Component),C=function(e){return"string"==typeof e?e:null!==e&&JSON.stringify(e)||""},O=(u.oneOfType([u.string,u.node]),u.oneOfType([u.string,u.number]),1),A=function(e,t){var u=void 0===e?"undefined":c(e);if("string"!==u&&"number"!==u&&"boolean"!==u)return e;var n=t.options,s=t.valueKey;if(n)for(var o=0;o<n.length;o++)if(String(n[o][s])===String(e))return n[o]},D=function(e,t){return!e||(t?0===e.length:0===Object.keys(e).length)},k=function(u){function n(e){d(this,n);var t=y(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,e));return["clearValue","focusOption","getOptionLabel","handleInputBlur","handleInputChange","handleInputFocus","handleInputValueChange","handleKeyDown","handleMenuScroll","handleMouseDown","handleMouseDownOnArrow","handleMouseDownOnMenu","handleTouchEnd","handleTouchEndClearValue","handleTouchMove","handleTouchOutside","handleTouchStart","handleValueClick","onOptionRef","removeValue","selectValue"].forEach(function(e){return t[e]=t[e].bind(t)}),t.state={inputValue:"",isFocused:!1,isOpen:!1,isPseudoFocused:!1,required:!1},t}return b(n,u),f(n,[{key:"componentWillMount",value:function(){this._instancePrefix="react-select-"+(this.props.instanceId||++O)+"-";var e=this.getValueArray(this.props.value);this.props.required&&this.setState({required:D(e[0],this.props.multi)})}},{key:"componentDidMount",value:function(){void 0!==this.props.autofocus&&"undefined"!=typeof console&&console.warn("Warning: The autofocus prop has changed to autoFocus, support will be removed after react-select@1.0"),(this.props.autoFocus||this.props.autofocus)&&this.focus()}},{key:"componentWillReceiveProps",value:function(e){var t=this.getValueArray(e.value,e);e.required?this.setState({required:D(t[0],e.multi)}):this.props.required&&this.setState({required:!1}),this.state.inputValue&&this.props.value!==e.value&&e.onSelectResetsInput&&this.setState({inputValue:this.handleInputValueChange("")})}},{key:"componentDidUpdate",value:function(e,t){if(this.menu&&this.focused&&this.state.isOpen&&!this.hasScrolledToOption){var u=s.findDOMNode(this.focused),n=s.findDOMNode(this.menu),o=n.scrollTop,i=o+n.offsetHeight,a=u.offsetTop,r=a+u.offsetHeight;(o>a||i<r)&&(n.scrollTop=u.offsetTop),this.hasScrolledToOption=!0}else this.state.isOpen||(this.hasScrolledToOption=!1);if(this._scrollToFocusedOptionOnUpdate&&this.focused&&this.menu){this._scrollToFocusedOptionOnUpdate=!1;var l=s.findDOMNode(this.focused),p=s.findDOMNode(this.menu),h=l.getBoundingClientRect(),c=p.getBoundingClientRect();h.bottom>c.bottom?p.scrollTop=l.offsetTop+l.clientHeight-p.offsetHeight:h.top<c.top&&(p.scrollTop=l.offsetTop)}if(this.props.scrollMenuIntoView&&this.menuContainer){var d=this.menuContainer.getBoundingClientRect();window.innerHeight<d.bottom+this.props.menuBuffer&&window.scrollBy(0,d.bottom+this.props.menuBuffer-window.innerHeight)}if(e.disabled!==this.props.disabled&&(this.setState({isFocused:!1}),this.closeMenu()),t.isOpen!==this.state.isOpen){this.toggleTouchOutsideEvent(this.state.isOpen);var f=this.state.isOpen?this.props.onOpen:this.props.onClose;f&&f()}}},{key:"componentWillUnmount",value:function(){this.toggleTouchOutsideEvent(!1)}},{key:"toggleTouchOutsideEvent",value:function(e){var t=e?document.addEventListener?"addEventListener":"attachEvent":document.removeEventListener?"removeEventListener":"detachEvent",u=document.addEventListener?"":"on";document[t](u+"touchstart",this.handleTouchOutside),document[t](u+"mousedown",this.handleTouchOutside)}},{key:"handleTouchOutside",value:function(e){this.wrapper&&!this.wrapper.contains(e.target)&&this.closeMenu()}},{key:"focus",value:function(){this.input&&this.input.focus()}},{key:"blurInput",value:function(){this.input&&this.input.blur()}},{key:"handleTouchMove",value:function(){this.dragging=!0}},{key:"handleTouchStart",value:function(){this.dragging=!1}},{key:"handleTouchEnd",value:function(e){this.dragging||this.handleMouseDown(e)}},{key:"handleTouchEndClearValue",value:function(e){this.dragging||this.clearValue(e)}},{key:"handleMouseDown",value:function(e){if(!(this.props.disabled||"mousedown"===e.type&&0!==e.button))if("INPUT"!==e.target.tagName){if(e.preventDefault(),!this.props.searchable)return this.focus(),this.setState({isOpen:!this.state.isOpen,focusedOption:null});if(this.state.isFocused){this.focus();var t=this.input,u=!0;"function"==typeof t.getInput&&(t=t.getInput()),t.value="",this._focusAfterClear&&(u=!1,this._focusAfterClear=!1),this.setState({isOpen:u,isPseudoFocused:!1,focusedOption:null})}else this._openAfterFocus=this.props.openOnClick,this.focus(),this.setState({focusedOption:null})}else this.state.isFocused?this.state.isOpen||this.setState({isOpen:!0,isPseudoFocused:!1,focusedOption:null}):(this._openAfterFocus=this.props.openOnClick,this.focus())}},{key:"handleMouseDownOnArrow",value:function(e){this.props.disabled||"mousedown"===e.type&&0!==e.button||(this.state.isOpen?(e.stopPropagation(),e.preventDefault(),this.closeMenu()):this.setState({isOpen:!0}))}},{key:"handleMouseDownOnMenu",value:function(e){this.props.disabled||"mousedown"===e.type&&0!==e.button||(e.stopPropagation(),e.preventDefault(),this._openAfterFocus=!0,this.focus())}},{key:"closeMenu",value:function(){this.props.onCloseResetsInput?this.setState({inputValue:this.handleInputValueChange(""),isOpen:!1,isPseudoFocused:this.state.isFocused&&!this.props.multi}):this.setState({isOpen:!1,isPseudoFocused:this.state.isFocused&&!this.props.multi}),this.hasScrolledToOption=!1}},{key:"handleInputFocus",value:function(e){if(!this.props.disabled){var t=this.state.isOpen||this._openAfterFocus||this.props.openOnFocus;t=!this._focusAfterClear&&t,this.props.onFocus&&this.props.onFocus(e),this.setState({isFocused:!0,isOpen:!!t}),this._focusAfterClear=!1,this._openAfterFocus=!1}}},{key:"handleInputBlur",value:function(e){if(!this.menu||this.menu!==document.activeElement&&!this.menu.contains(document.activeElement)){this.props.onBlur&&this.props.onBlur(e);var t={isFocused:!1,isOpen:!1,isPseudoFocused:!1};this.props.onBlurResetsInput&&(t.inputValue=this.handleInputValueChange("")),this.setState(t)}else this.focus()}},{key:"handleInputChange",value:function(e){var t=e.target.value;this.state.inputValue!==e.target.value&&(t=this.handleInputValueChange(t)),this.setState({inputValue:t,isOpen:!0,isPseudoFocused:!1})}},{key:"setInputValue",value:function(e){if(this.props.onInputChange){var t=this.props.onInputChange(e);null!=t&&"object"!==(void 0===t?"undefined":c(t))&&(e=""+t)}this.setState({inputValue:e})}},{key:"handleInputValueChange",value:function(e){if(this.props.onInputChange){var t=this.props.onInputChange(e);null!=t&&"object"!==(void 0===t?"undefined":c(t))&&(e=""+t)}return e}},{key:"handleKeyDown",value:function(e){if(!(this.props.disabled||"function"==typeof this.props.onInputKeyDown&&(this.props.onInputKeyDown(e),e.defaultPrevented)))switch(e.keyCode){case 8:!this.state.inputValue&&this.props.backspaceRemoves&&(e.preventDefault(),this.popValue());break;case 9:if(e.shiftKey||!this.state.isOpen||!this.props.tabSelectsValue)break;e.preventDefault(),this.selectFocusedOption();break;case 13:e.preventDefault(),e.stopPropagation(),this.state.isOpen?this.selectFocusedOption():this.focusNextOption();break;case 27:e.preventDefault(),this.state.isOpen?(this.closeMenu(),e.stopPropagation()):this.props.clearable&&this.props.escapeClearsValue&&(this.clearValue(e),e.stopPropagation());break;case 32:if(this.props.searchable)break;if(e.preventDefault(),!this.state.isOpen){this.focusNextOption();break}e.stopPropagation(),this.selectFocusedOption();break;case 38:e.preventDefault(),this.focusPreviousOption();break;case 40:e.preventDefault(),this.focusNextOption();break;case 33:e.preventDefault(),this.focusPageUpOption();break;case 34:e.preventDefault(),this.focusPageDownOption();break;case 35:if(e.shiftKey)break;e.preventDefault(),this.focusEndOption();break;case 36:if(e.shiftKey)break;e.preventDefault(),this.focusStartOption();break;case 46:!this.state.inputValue&&this.props.deleteRemoves&&(e.preventDefault(),this.popValue())}}},{key:"handleValueClick",value:function(e,t){this.props.onValueClick&&this.props.onValueClick(e,t)}},{key:"handleMenuScroll",value:function(e){if(this.props.onMenuScrollToBottom){var t=e.target;t.scrollHeight>t.offsetHeight&&t.scrollHeight-t.offsetHeight-t.scrollTop<=0&&this.props.onMenuScrollToBottom()}}},{key:"getOptionLabel",value:function(e){return e[this.props.labelKey]}},{key:"getValueArray",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:void 0,u="object"===(void 0===t?"undefined":c(t))?t:this.props;if(u.multi){if("string"==typeof e&&(e=e.split(u.delimiter)),!Array.isArray(e)){if(null===e||void 0===e)return[];e=[e]}return e.map(function(e){return A(e,u)}).filter(function(e){return e})}var n=A(e,u);return n?[n]:[]}},{key:"setValue",value:function(e){var t=this;if(this.props.autoBlur&&this.blurInput(),this.props.required){var u=D(e,this.props.multi);this.setState({required:u})}this.props.simpleValue&&e&&(e=this.props.multi?e.map(function(e){return e[t.props.valueKey]}).join(this.props.delimiter):e[this.props.valueKey]),this.props.onChange&&this.props.onChange(e)}},{key:"selectValue",value:function(e){var t=this;this.props.closeOnSelect&&(this.hasScrolledToOption=!1);var u=this.props.onSelectResetsInput?"":this.state.inputValue;this.props.multi?this.setState({focusedIndex:null,inputValue:this.handleInputValueChange(u),isOpen:!this.props.closeOnSelect},function(){t.getValueArray(t.props.value).some(function(u){return u[t.props.valueKey]===e[t.props.valueKey]})?t.removeValue(e):t.addValue(e)}):this.setState({inputValue:this.handleInputValueChange(u),isOpen:!this.props.closeOnSelect,isPseudoFocused:this.state.isFocused},function(){t.setValue(e)})}},{key:"addValue",value:function(e){var t=this.getValueArray(this.props.value),u=this._visibleOptions.filter(function(e){return!e.disabled}),n=u.indexOf(e);this.setValue(t.concat(e)),this.props.closeOnSelect&&(u.length-1===n?this.focusOption(u[n-1]):u.length>n&&this.focusOption(u[n+1]))}},{key:"popValue",value:function(){var e=this.getValueArray(this.props.value);e.length&&!1!==e[e.length-1].clearableValue&&this.setValue(this.props.multi?e.slice(0,e.length-1):null)}},{key:"removeValue",value:function(e){var t=this,u=this.getValueArray(this.props.value);this.setValue(u.filter(function(u){return u[t.props.valueKey]!==e[t.props.valueKey]})),this.focus()}},{key:"clearValue",value:function(e){e&&"mousedown"===e.type&&0!==e.button||(e.preventDefault(),this.setValue(this.getResetValue()),this.setState({inputValue:this.handleInputValueChange(""),isOpen:!1},this.focus),this._focusAfterClear=!0)}},{key:"getResetValue",value:function(){return void 0!==this.props.resetValue?this.props.resetValue:this.props.multi?[]:null}},{key:"focusOption",value:function(e){this.setState({focusedOption:e})}},{key:"focusNextOption",value:function(){this.focusAdjacentOption("next")}},{key:"focusPreviousOption",value:function(){this.focusAdjacentOption("previous")}},{key:"focusPageUpOption",value:function(){this.focusAdjacentOption("page_up")}},{key:"focusPageDownOption",value:function(){this.focusAdjacentOption("page_down")}},{key:"focusStartOption",value:function(){this.focusAdjacentOption("start")}},{key:"focusEndOption",value:function(){this.focusAdjacentOption("end")}},{key:"focusAdjacentOption",value:function(e){var t=this._visibleOptions.map(function(e,t){return{option:e,index:t}}).filter(function(e){return!e.option.disabled});if(this._scrollToFocusedOptionOnUpdate=!0,!this.state.isOpen){var u={focusedOption:this._focusedOption||(t.length?t["next"===e?0:t.length-1].option:null),isOpen:!0};return this.props.onSelectResetsInput&&(u.inputValue=""),void this.setState(u)}if(t.length){for(var n=-1,s=0;s<t.length;s++)if(this._focusedOption===t[s].option){n=s;break}if("next"===e&&-1!==n)n=(n+1)%t.length;else if("previous"===e)n>0?n-=1:n=t.length-1;else if("start"===e)n=0;else if("end"===e)n=t.length-1;else if("page_up"===e){var o=n-this.props.pageSize;n=o<0?0:o}else if("page_down"===e){var i=n+this.props.pageSize;n=i>t.length-1?t.length-1:i}-1===n&&(n=0),this.setState({focusedIndex:t[n].index,focusedOption:t[n].option})}}},{key:"getFocusedOption",value:function(){return this._focusedOption}},{key:"selectFocusedOption",value:function(){if(this._focusedOption)return this.selectValue(this._focusedOption)}},{key:"renderLoading",value:function(){if(this.props.isLoading)return o.createElement("span",{className:"Select-loading-zone","aria-hidden":"true"},o.createElement("span",{className:"Select-loading"}))}},{key:"renderValue",value:function(e,t){var u=this,n=this.props.valueRenderer||this.getOptionLabel,s=this.props.valueComponent;if(!e.length)return function(e,t,u){var n=e.inputValue,s=e.isPseudoFocused,o=e.isFocused,i=t.onSelectResetsInput;return!n||!i&&!u&&!s&&!o}(this.state,this.props,t)?o.createElement("div",{className:"Select-placeholder"},this.props.placeholder):null;var i,a,r,l,p,h,c=this.props.onValueClick?this.handleValueClick:null;return this.props.multi?e.map(function(t,i){return o.createElement(s,{disabled:u.props.disabled||!1===t.clearableValue,id:u._instancePrefix+"-value-"+i,instancePrefix:u._instancePrefix,key:"value-"+i+"-"+t[u.props.valueKey],onClick:c,onRemove:u.removeValue,placeholder:u.props.placeholder,value:t,values:e},n(t,i),o.createElement("span",{className:"Select-aria-only"}," "))}):(i=this.state,a=this.props,r=i.inputValue,l=i.isPseudoFocused,p=i.isFocused,h=a.onSelectResetsInput,r&&(h||!p&&l||p&&!l)?void 0:(t&&(c=null),o.createElement(s,{disabled:this.props.disabled,id:this._instancePrefix+"-value-item",instancePrefix:this._instancePrefix,onClick:c,placeholder:this.props.placeholder,value:e[0]},n(e[0]))))}},{key:"renderInput",value:function(u,n){var s,i=this,a=t("Select-input",this.props.inputProps.className),r=this.state.isOpen,l=t((v(s={},this._instancePrefix+"-list",r),v(s,this._instancePrefix+"-backspace-remove-message",this.props.multi&&!this.props.disabled&&this.state.isFocused&&!this.state.inputValue),s)),p=this.state.inputValue;!p||this.props.onSelectResetsInput||this.state.isFocused||(p="");var h=E({},this.props.inputProps,{"aria-activedescendant":r?this._instancePrefix+"-option-"+n:this._instancePrefix+"-value","aria-describedby":this.props["aria-describedby"],"aria-expanded":""+r,"aria-haspopup":""+r,"aria-label":this.props["aria-label"],"aria-labelledby":this.props["aria-labelledby"],"aria-owns":l,onBlur:this.handleInputBlur,onChange:this.handleInputChange,onFocus:this.handleInputFocus,ref:function(e){return i.input=e},role:"combobox",required:this.state.required,tabIndex:this.props.tabIndex,value:p});if(this.props.inputRenderer)return this.props.inputRenderer(h);if(this.props.disabled||!this.props.searchable){var c=g(this.props.inputProps,[]),d=t(v({},this._instancePrefix+"-list",r));return o.createElement("div",E({},c,{"aria-expanded":r,"aria-owns":d,"aria-activedescendant":r?this._instancePrefix+"-option-"+n:this._instancePrefix+"-value","aria-disabled":""+this.props.disabled,"aria-label":this.props["aria-label"],"aria-labelledby":this.props["aria-labelledby"],className:a,onBlur:this.handleInputBlur,onFocus:this.handleInputFocus,ref:function(e){return i.input=e},role:"combobox",style:{border:0,width:1,display:"inline-block"},tabIndex:this.props.tabIndex||0}))}return this.props.autosize?o.createElement(e,E({id:this.props.id},h,{className:a,minWidth:"5"})):o.createElement("div",{className:a,key:"input-wrap",style:{display:"inline-block"}},o.createElement("input",E({id:this.props.id},h)))}},{key:"renderClear",value:function(){var e=this.getValueArray(this.props.value);if(this.props.clearable&&e.length&&!this.props.disabled&&!this.props.isLoading){var t=this.props.multi?this.props.clearAllText:this.props.clearValueText,u=this.props.clearRenderer();return o.createElement("span",{"aria-label":t,className:"Select-clear-zone",onMouseDown:this.clearValue,onTouchEnd:this.handleTouchEndClearValue,onTouchMove:this.handleTouchMove,onTouchStart:this.handleTouchStart,title:t},u)}}},{key:"renderArrow",value:function(){if(this.props.arrowRenderer){var e=this.handleMouseDownOnArrow,t=this.state.isOpen,u=this.props.arrowRenderer({onMouseDown:e,isOpen:t});return u?o.createElement("span",{className:"Select-arrow-zone",onMouseDown:e},u):null}}},{key:"filterOptions",value:function(e){var t=this.state.inputValue,u=this.props.options||[];if(this.props.filterOptions){var n="function"==typeof this.props.filterOptions?this.props.filterOptions:l;return n(u,t,e,{filterOption:this.props.filterOption,ignoreAccents:this.props.ignoreAccents,ignoreCase:this.props.ignoreCase,labelKey:this.props.labelKey,matchPos:this.props.matchPos,matchProp:this.props.matchProp,trimFilter:this.props.trimFilter,valueKey:this.props.valueKey})}return u}},{key:"onOptionRef",value:function(e,t){t&&(this.focused=e)}},{key:"renderMenu",value:function(e,t,u){return e&&e.length?this.props.menuRenderer({focusedOption:u,focusOption:this.focusOption,inputValue:this.state.inputValue,instancePrefix:this._instancePrefix,labelKey:this.props.labelKey,onFocus:this.focusOption,onOptionRef:this.onOptionRef,onSelect:this.selectValue,optionClassName:this.props.optionClassName,optionComponent:this.props.optionComponent,optionRenderer:this.props.optionRenderer||this.getOptionLabel,options:e,removeValue:this.removeValue,selectValue:this.selectValue,valueArray:t,valueKey:this.props.valueKey}):this.props.noResultsText?o.createElement("div",{className:"Select-noresults"},this.props.noResultsText):null}},{key:"renderHiddenField",value:function(e){var t=this;if(this.props.name){if(this.props.joinValues){var u=e.map(function(e){return C(e[t.props.valueKey])}).join(this.props.delimiter);return o.createElement("input",{disabled:this.props.disabled,name:this.props.name,ref:function(e){return t.value=e},type:"hidden",value:u})}return e.map(function(e,u){return o.createElement("input",{disabled:t.props.disabled,key:"hidden."+u,name:t.props.name,ref:"value"+u,type:"hidden",value:C(e[t.props.valueKey])})})}}},{key:"getFocusableOptionIndex",value:function(e){var t=this._visibleOptions;if(!t.length)return null;var u=this.props.valueKey,n=this.state.focusedOption||e;if(n&&!n.disabled){var s=-1;if(t.some(function(e,t){var o=e[u]===n[u];return o&&(s=t),o}),-1!==s)return s}for(var o=0;o<t.length;o++)if(!t[o].disabled)return o;return null}},{key:"renderOuter",value:function(e,t,u){var n=this,s=this.renderMenu(e,t,u);return s?o.createElement("div",{ref:function(e){return n.menuContainer=e},className:"Select-menu-outer",style:this.props.menuContainerStyle},o.createElement("div",{className:"Select-menu",id:this._instancePrefix+"-list",onMouseDown:this.handleMouseDownOnMenu,onScroll:this.handleMenuScroll,ref:function(e){return n.menu=e},role:"listbox",style:this.props.menuStyle,tabIndex:-1},s)):null}},{key:"render",value:function(){var e=this,u=this.getValueArray(this.props.value),n=this._visibleOptions=this.filterOptions(this.props.multi&&this.props.removeSelected?u:null),s=this.state.isOpen;this.props.multi&&!n.length&&u.length&&!this.state.inputValue&&(s=!1);var i=this.getFocusableOptionIndex(u[0]),a=null;a=this._focusedOption=null!==i?n[i]:null;var r=t("Select",this.props.className,{"has-value":u.length,"is-clearable":this.props.clearable,"is-disabled":this.props.disabled,"is-focused":this.state.isFocused,"is-loading":this.props.isLoading,"is-open":s,"is-pseudo-focused":this.state.isPseudoFocused,"is-searchable":this.props.searchable,"Select--multi":this.props.multi,"Select--rtl":this.props.rtl,"Select--single":!this.props.multi}),l=null;return this.props.multi&&!this.props.disabled&&u.length&&!this.state.inputValue&&this.state.isFocused&&this.props.backspaceRemoves&&(l=o.createElement("span",{id:this._instancePrefix+"-backspace-remove-message",className:"Select-aria-only","aria-live":"assertive"},this.props.backspaceToRemoveMessage.replace("{label}",u[u.length-1][this.props.labelKey]))),o.createElement("div",{ref:function(t){return e.wrapper=t},className:r,style:this.props.wrapperStyle},this.renderHiddenField(u),o.createElement("div",{ref:function(t){return e.control=t},className:"Select-control",onKeyDown:this.handleKeyDown,onMouseDown:this.handleMouseDown,onTouchEnd:this.handleTouchEnd,onTouchMove:this.handleTouchMove,onTouchStart:this.handleTouchStart,style:this.props.style},o.createElement("div",{className:"Select-multi-value-wrapper",id:this._instancePrefix+"-value"},this.renderValue(u,s),this.renderInput(u,i)),l,this.renderLoading(),this.renderClear(),this.renderArrow()),s?this.renderOuter(n,u,a):null)}}]),n}(o.Component);k.defaultProps={arrowRenderer:function(e){var t=e.onMouseDown;return o.createElement("span",{className:"Select-arrow",onMouseDown:t})},autosize:!0,backspaceRemoves:!0,backspaceToRemoveMessage:"Press backspace to remove {label}",clearable:!0,clearAllText:"Clear all",clearRenderer:function(){return o.createElement("span",{className:"Select-clear",dangerouslySetInnerHTML:{__html:"&times;"}})},clearValueText:"Clear value",closeOnSelect:!0,deleteRemoves:!0,delimiter:",",disabled:!1,escapeClearsValue:!0,filterOptions:l,ignoreAccents:!0,ignoreCase:!0,inputProps:{},isLoading:!1,joinValues:!1,labelKey:"label",matchPos:"any",matchProp:"any",menuBuffer:0,menuRenderer:p,multi:!1,noResultsText:"No results found",onBlurResetsInput:!0,onCloseResetsInput:!0,onSelectResetsInput:!0,openOnClick:!0,optionComponent:m,pageSize:5,placeholder:"Select...",removeSelected:!0,required:!1,rtl:!1,scrollMenuIntoView:!0,searchable:!0,simpleValue:!1,tabSelectsValue:!0,trimFilter:!0,valueComponent:F,valueKey:"value"};u.bool.isRequired,u.any,u.func.isRequired,u.bool,u.bool,u.func.isRequired,u.oneOfType([u.string,u.node]),u.bool,u.oneOfType([u.string,u.node]),u.func,u.func,u.array.isRequired,u.oneOfType([u.string,u.node]),u.oneOfType([u.string,u.node]),u.any;var w={},S={autoload:!0,cache:w,children:function(e){return 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e=this,t=this.props,u=t.children,n=t.loadingPlaceholder,s=t.placeholder,o=this.state,i=o.isLoading,a=o.options,r={noResultsText:this.noResultsText(),placeholder:i?n:s,options:i&&n?[]:a,ref:function(t){return e.select=t}};return u(E({},this.props,r,{isLoading:i,onInputChange:this.onInputChange}))}}]),t}(n.Component);V.defaultProps=S;var T=function(e){function t(e,u){d(this,t);var n=y(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e,u));return n.filterOptions=n.filterOptions.bind(n),n.menuRenderer=n.menuRenderer.bind(n),n.onInputKeyDown=n.onInputKeyDown.bind(n),n.onInputChange=n.onInputChange.bind(n),n.onOptionSelect=n.onOptionSelect.bind(n),n}return b(t,e),f(t,[{key:"createNewOption",value:function(){var e=this.props,t=e.isValidNewOption,u=e.newOptionCreator,n=e.onNewOptionClick,s=e.options,o=void 0===s?[]:s;if(t({label:this.inputValue})){var 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s||(s=P),s(E({},n,{allowCreate:!0,filterOptions:this.filterOptions,menuRenderer:this.menuRenderer,onInputChange:this.onInputChange,onInputKeyDown:this.onInputKeyDown,ref:function(t){e.select=t,t&&(e.labelKey=t.props.labelKey,e.valueKey=t.props.valueKey),u&&u(t)}}))}}]),t}(o.Component),P=function(e){return o.createElement(k,e)},B=function(e){var t=e.option,u=e.options,n=e.labelKey,s=e.valueKey;return!u||!u.length||0===u.filter(function(e){return e[n]===t[n]||e[s]===t[s]}).length},M=function(e){return!!e.label},_=function(e){var t=e.label,u=e.labelKey,n={};return n[e.valueKey]=t,n[u]=t,n.className="Select-create-option-placeholder",n},I=function(e){return'Create option "'+e+'"'},R=function(e){switch(e.keyCode){case 9:case 13:case 188:return!0;default:return!1}};T.isOptionUnique=B,T.isValidNewOption=M,T.newOptionCreator=_,T.promptTextCreator=I,T.shouldKeyDownEventCreateNewOption=R,T.defaultProps={filterOptions:l,isOptionUnique:B,isValidNewOption:M,menuRenderer:p,newOptionCreator:_,promptTextCreator:I,shouldKeyDownEventCreateNewOption:R,showNewOptionAtTop:!0};var x=function(e){function t(){return d(this,t),y(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return b(t,e),f(t,[{key:"focus",value:function(){this.select.focus()}},{key:"render",value:function(){var e=this;return o.createElement(V,this.props,function(t){var u=t.ref,n=g(t,["ref"]),s=u;return o.createElement(T,n,function(t){var u=t.ref,n=g(t,["ref"]),o=u;return e.props.children(E({},n,{ref:function(t){o(t),s(t),e.select=t}}))})})}}]),t}(o.Component);return x.defaultProps={children:function(e){return o.createElement(k,e)}},k.Async=V,k.AsyncCreatable=x,k.Creatable=T,k.Value=F,k.Option=m,k});
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u={};for(var n in e)t.indexOf(n)>=0||Object.prototype.hasOwnProperty.call(e,n)&&(u[n]=e[n]);return u},y=function(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t},m=function(e){function u(e){d(this,u);var t=y(this,(u.__proto__||Object.getPrototypeOf(u)).call(this,e));return t.handleMouseDown=t.handleMouseDown.bind(t),t.handleMouseEnter=t.handleMouseEnter.bind(t),t.handleMouseMove=t.handleMouseMove.bind(t),t.handleTouchStart=t.handleTouchStart.bind(t),t.handleTouchEnd=t.handleTouchEnd.bind(t),t.handleTouchMove=t.handleTouchMove.bind(t),t.onFocus=t.onFocus.bind(t),t}return b(u,e),f(u,[{key:"handleMouseDown",value:function(e){e.preventDefault(),e.stopPropagation(),this.props.onSelect(this.props.option,e)}},{key:"handleMouseEnter",value:function(e){this.onFocus(e)}},{key:"handleMouseMove",value:function(e){this.onFocus(e)}},{key:"handleTouchEnd",value:function(e){this.dragging||this.handleMouseDown(e)}},{key:"handleTouchMove",value:function(){this.dragging=!0}},{key:"handleTouchStart",value:function(){this.dragging=!1}},{key:"onFocus",value:function(e){this.props.isFocused||this.props.onFocus(this.props.option,e)}},{key:"render",value:function(){var e=this.props,u=e.option,n=e.instancePrefix,s=e.optionIndex,i=t(this.props.className,u.className);return 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this.props.onClick||this.props.value.href?o.createElement("a",{className:"Select-value-label",href:this.props.value.href,target:this.props.value.target,onMouseDown:this.handleMouseDown,onTouchEnd:this.handleMouseDown},this.props.children):o.createElement("span",{className:"Select-value-label",role:"option","aria-selected":"true",id:this.props.id},this.props.children)}},{key:"render",value:function(){return o.createElement("div",{className:t("Select-value",this.props.value.disabled?"Select-value-disabled":"",this.props.value.className),style:this.props.value.style,title:this.props.value.title},this.renderRemoveIcon(),this.renderLabel())}}]),u}(o.Component),C=function(e){return"string"==typeof e?e:null!==e&&JSON.stringify(e)||""},O=1,A=function(e,t){var u=void 0===e?"undefined":c(e);if("string"!==u&&"number"!==u&&"boolean"!==u)return e;var n=t.options,s=t.valueKey;if(n)for(var o=0;o<n.length;o++)if(String(n[o][s])===String(e))return n[o]},D=function(e,t){return!e||(t?0===e.length:0===Object.keys(e).length)},k=function(u){function n(e){d(this,n);var t=y(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,e));return["clearValue","focusOption","getOptionLabel","handleInputBlur","handleInputChange","handleInputFocus","handleInputValueChange","handleKeyDown","handleMenuScroll","handleMouseDown","handleMouseDownOnArrow","handleMouseDownOnMenu","handleTouchEnd","handleTouchEndClearValue","handleTouchMove","handleTouchOutside","handleTouchStart","handleValueClick","onOptionRef","removeValue","selectValue"].forEach(function(e){return t[e]=t[e].bind(t)}),t.state={inputValue:"",isFocused:!1,isOpen:!1,isPseudoFocused:!1,required:!1},t}return b(n,u),f(n,[{key:"componentWillMount",value:function(){this._instancePrefix="react-select-"+(this.props.instanceId||++O)+"-";var e=this.getValueArray(this.props.value);this.props.required&&this.setState({required:D(e[0],this.props.multi)})}},{key:"componentDidMount",value:function(){void 0!==this.props.autofocus&&"undefined"!=typeof console&&console.warn("Warning: The autofocus prop has changed to autoFocus, support will be removed after react-select@1.0"),(this.props.autoFocus||this.props.autofocus)&&this.focus()}},{key:"componentWillReceiveProps",value:function(e){var t=this.getValueArray(e.value,e);e.required?this.setState({required:D(t[0],e.multi)}):this.props.required&&this.setState({required:!1}),this.state.inputValue&&this.props.value!==e.value&&e.onSelectResetsInput&&this.setState({inputValue:this.handleInputValueChange("")})}},{key:"componentDidUpdate",value:function(e,t){if(this.menu&&this.focused&&this.state.isOpen&&!this.hasScrolledToOption){var u=s.findDOMNode(this.focused),n=s.findDOMNode(this.menu),o=n.scrollTop,i=o+n.offsetHeight,a=u.offsetTop,r=a+u.offsetHeight;(o>a||i<r)&&(n.scrollTop=u.offsetTop),this.hasScrolledToOption=!0}else this.state.isOpen||(this.hasScrolledToOption=!1);if(this._scrollToFocusedOptionOnUpdate&&this.focused&&this.menu){this._scrollToFocusedOptionOnUpdate=!1;var l=s.findDOMNode(this.focused),p=s.findDOMNode(this.menu),h=l.getBoundingClientRect(),c=p.getBoundingClientRect();h.bottom>c.bottom?p.scrollTop=l.offsetTop+l.clientHeight-p.offsetHeight:h.top<c.top&&(p.scrollTop=l.offsetTop)}if(this.props.scrollMenuIntoView&&this.menuContainer){var d=this.menuContainer.getBoundingClientRect();window.innerHeight<d.bottom+this.props.menuBuffer&&window.scrollBy(0,d.bottom+this.props.menuBuffer-window.innerHeight)}if(e.disabled!==this.props.disabled&&(this.setState({isFocused:!1}),this.closeMenu()),t.isOpen!==this.state.isOpen){this.toggleTouchOutsideEvent(this.state.isOpen);var f=this.state.isOpen?this.props.onOpen:this.props.onClose;f&&f()}}},{key:"componentWillUnmount",value:function(){this.toggleTouchOutsideEvent(!1)}},{key:"toggleTouchOutsideEvent",value:function(e){var t=e?document.addEventListener?"addEventListener":"attachEvent":document.removeEventListener?"removeEventListener":"detachEvent",u=document.addEventListener?"":"on";document[t](u+"touchstart",this.handleTouchOutside),document[t](u+"mousedown",this.handleTouchOutside)}},{key:"handleTouchOutside",value:function(e){this.wrapper&&!this.wrapper.contains(e.target)&&this.closeMenu()}},{key:"focus",value:function(){this.input&&this.input.focus()}},{key:"blurInput",value:function(){this.input&&this.input.blur()}},{key:"handleTouchMove",value:function(){this.dragging=!0}},{key:"handleTouchStart",value:function(){this.dragging=!1}},{key:"handleTouchEnd",value:function(e){this.dragging||this.handleMouseDown(e)}},{key:"handleTouchEndClearValue",value:function(e){this.dragging||this.clearValue(e)}},{key:"handleMouseDown",value:function(e){if(!(this.props.disabled||"mousedown"===e.type&&0!==e.button))if("INPUT"!==e.target.tagName){if(e.preventDefault(),!this.props.searchable)return this.focus(),this.setState({isOpen:!this.state.isOpen,focusedOption:null});if(this.state.isFocused){this.focus();var t=this.input,u=!0;"function"==typeof t.getInput&&(t=t.getInput()),t.value="",this._focusAfterClear&&(u=!1,this._focusAfterClear=!1),this.setState({isOpen:u,isPseudoFocused:!1,focusedOption:null})}else this._openAfterFocus=this.props.openOnClick,this.focus(),this.setState({focusedOption:null})}else this.state.isFocused?this.state.isOpen||this.setState({isOpen:!0,isPseudoFocused:!1,focusedOption:null}):(this._openAfterFocus=this.props.openOnClick,this.focus())}},{key:"handleMouseDownOnArrow",value:function(e){this.props.disabled||"mousedown"===e.type&&0!==e.button||(this.state.isOpen?(e.stopPropagation(),e.preventDefault(),this.closeMenu()):this.setState({isOpen:!0}))}},{key:"handleMouseDownOnMenu",value:function(e){this.props.disabled||"mousedown"===e.type&&0!==e.button||(e.stopPropagation(),e.preventDefault(),this._openAfterFocus=!0,this.focus())}},{key:"closeMenu",value:function(){this.props.onCloseResetsInput?this.setState({inputValue:this.handleInputValueChange(""),isOpen:!1,isPseudoFocused:this.state.isFocused&&!this.props.multi}):this.setState({isOpen:!1,isPseudoFocused:this.state.isFocused&&!this.props.multi}),this.hasScrolledToOption=!1}},{key:"handleInputFocus",value:function(e){if(!this.props.disabled){var t=this.state.isOpen||this._openAfterFocus||this.props.openOnFocus;t=!this._focusAfterClear&&t,this.props.onFocus&&this.props.onFocus(e),this.setState({isFocused:!0,isOpen:!!t}),this._focusAfterClear=!1,this._openAfterFocus=!1}}},{key:"handleInputBlur",value:function(e){if(!this.menu||this.menu!==document.activeElement&&!this.menu.contains(document.activeElement)){this.props.onBlur&&this.props.onBlur(e);var t={isFocused:!1,isOpen:!1,isPseudoFocused:!1};this.props.onBlurResetsInput&&(t.inputValue=this.handleInputValueChange("")),this.setState(t)}else this.focus()}},{key:"handleInputChange",value:function(e){var t=e.target.value;this.state.inputValue!==e.target.value&&(t=this.handleInputValueChange(t)),this.setState({inputValue:t,isOpen:!0,isPseudoFocused:!1})}},{key:"setInputValue",value:function(e){if(this.props.onInputChange){var t=this.props.onInputChange(e);null!=t&&"object"!==(void 0===t?"undefined":c(t))&&(e=""+t)}this.setState({inputValue:e})}},{key:"handleInputValueChange",value:function(e){if(this.props.onInputChange){var t=this.props.onInputChange(e);null!=t&&"object"!==(void 0===t?"undefined":c(t))&&(e=""+t)}return e}},{key:"handleKeyDown",value:function(e){if(!(this.props.disabled||"function"==typeof this.props.onInputKeyDown&&(this.props.onInputKeyDown(e),e.defaultPrevented)))switch(e.keyCode){case 8:!this.state.inputValue&&this.props.backspaceRemoves&&(e.preventDefault(),this.popValue());break;case 9:if(e.shiftKey||!this.state.isOpen||!this.props.tabSelectsValue)break;e.preventDefault(),this.selectFocusedOption();break;case 13:e.preventDefault(),e.stopPropagation(),this.state.isOpen?this.selectFocusedOption():this.focusNextOption();break;case 27:e.preventDefault(),this.state.isOpen?(this.closeMenu(),e.stopPropagation()):this.props.clearable&&this.props.escapeClearsValue&&(this.clearValue(e),e.stopPropagation());break;case 32:if(this.props.searchable)break;if(e.preventDefault(),!this.state.isOpen){this.focusNextOption();break}e.stopPropagation(),this.selectFocusedOption();break;case 38:e.preventDefault(),this.focusPreviousOption();break;case 40:e.preventDefault(),this.focusNextOption();break;case 33:e.preventDefault(),this.focusPageUpOption();break;case 34:e.preventDefault(),this.focusPageDownOption();break;case 35:if(e.shiftKey)break;e.preventDefault(),this.focusEndOption();break;case 36:if(e.shiftKey)break;e.preventDefault(),this.focusStartOption();break;case 46:!this.state.inputValue&&this.props.deleteRemoves&&(e.preventDefault(),this.popValue())}}},{key:"handleValueClick",value:function(e,t){this.props.onValueClick&&this.props.onValueClick(e,t)}},{key:"handleMenuScroll",value:function(e){if(this.props.onMenuScrollToBottom){var t=e.target;t.scrollHeight>t.offsetHeight&&t.scrollHeight-t.offsetHeight-t.scrollTop<=0&&this.props.onMenuScrollToBottom()}}},{key:"getOptionLabel",value:function(e){return e[this.props.labelKey]}},{key:"getValueArray",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:void 0,u="object"===(void 0===t?"undefined":c(t))?t:this.props;if(u.multi){if("string"==typeof e&&(e=e.split(u.delimiter)),!Array.isArray(e)){if(null===e||void 0===e)return[];e=[e]}return e.map(function(e){return A(e,u)}).filter(function(e){return e})}var n=A(e,u);return n?[n]:[]}},{key:"setValue",value:function(e){var t=this;if(this.props.autoBlur&&this.blurInput(),this.props.required){var u=D(e,this.props.multi);this.setState({required:u})}this.props.simpleValue&&e&&(e=this.props.multi?e.map(function(e){return e[t.props.valueKey]}).join(this.props.delimiter):e[this.props.valueKey]),this.props.onChange&&this.props.onChange(e)}},{key:"selectValue",value:function(e){var t=this;this.props.closeOnSelect&&(this.hasScrolledToOption=!1);var u=this.props.onSelectResetsInput?"":this.state.inputValue;this.props.multi?this.setState({focusedIndex:null,inputValue:this.handleInputValueChange(u),isOpen:!this.props.closeOnSelect},function(){t.props.duplicate?t.addValue(e):t.getValueArray(t.props.value).some(function(u){return u[t.props.valueKey]===e[t.props.valueKey]})?t.removeValue(e):t.addValue(e)}):this.setState({inputValue:this.handleInputValueChange(u),isOpen:!this.props.closeOnSelect,isPseudoFocused:this.state.isFocused},function(){t.setValue(e)})}},{key:"addValue",value:function(e){var t=this.getValueArray(this.props.value),u=this._visibleOptions.filter(function(e){return!e.disabled}),n=u.indexOf(e);this.setValue(t.concat(e)),this.props.closeOnSelect&&(u.length-1===n?this.focusOption(u[n-1]):u.length>n&&this.focusOption(u[n+1]))}},{key:"popValue",value:function(){var e=this.getValueArray(this.props.value);e.length&&!1!==e[e.length-1].clearableValue&&this.setValue(this.props.multi?e.slice(0,e.length-1):null)}},{key:"removeValue",value:function(e){var t=this,u=this.getValueArray(this.props.value);if(this.props.duplicate){(u=[].concat(function(e){if(Array.isArray(e)){for(var t=0,u=Array(e.length);t<e.length;t++)u[t]=e[t];return u}return Array.from(e)}(u))).reverse();var n=u.findIndex(function(u){return u[t.props.valueKey]===e[t.props.valueKey]});n>-1&&u.splice(n,1),u.reverse(),this.setValue(u)}else this.setValue(u.filter(function(u){return u[t.props.valueKey]!==e[t.props.valueKey]}));this.focus()}},{key:"clearValue",value:function(e){e&&"mousedown"===e.type&&0!==e.button||(e.preventDefault(),this.setValue(this.getResetValue()),this.setState({inputValue:this.handleInputValueChange(""),isOpen:!1},this.focus),this._focusAfterClear=!0)}},{key:"getResetValue",value:function(){return void 0!==this.props.resetValue?this.props.resetValue:this.props.multi?[]:null}},{key:"focusOption",value:function(e){this.setState({focusedOption:e})}},{key:"focusNextOption",value:function(){this.focusAdjacentOption("next")}},{key:"focusPreviousOption",value:function(){this.focusAdjacentOption("previous")}},{key:"focusPageUpOption",value:function(){this.focusAdjacentOption("page_up")}},{key:"focusPageDownOption",value:function(){this.focusAdjacentOption("page_down")}},{key:"focusStartOption",value:function(){this.focusAdjacentOption("start")}},{key:"focusEndOption",value:function(){this.focusAdjacentOption("end")}},{key:"focusAdjacentOption",value:function(e){var t=this._visibleOptions.map(function(e,t){return{option:e,index:t}}).filter(function(e){return!e.option.disabled});if(this._scrollToFocusedOptionOnUpdate=!0,!this.state.isOpen){var u={focusedOption:this._focusedOption||(t.length?t["next"===e?0:t.length-1].option:null),isOpen:!0};return this.props.onSelectResetsInput&&(u.inputValue=""),void this.setState(u)}if(t.length){for(var n=-1,s=0;s<t.length;s++)if(this._focusedOption===t[s].option){n=s;break}if("next"===e&&-1!==n)n=(n+1)%t.length;else if("previous"===e)n>0?n-=1:n=t.length-1;else if("start"===e)n=0;else if("end"===e)n=t.length-1;else if("page_up"===e){var o=n-this.props.pageSize;n=o<0?0:o}else if("page_down"===e){var i=n+this.props.pageSize;n=i>t.length-1?t.length-1:i}-1===n&&(n=0),this.setState({focusedIndex:t[n].index,focusedOption:t[n].option})}}},{key:"getFocusedOption",value:function(){return this._focusedOption}},{key:"selectFocusedOption",value:function(){if(this._focusedOption)return this.selectValue(this._focusedOption)}},{key:"renderLoading",value:function(){if(this.props.isLoading)return o.createElement("span",{className:"Select-loading-zone","aria-hidden":"true"},o.createElement("span",{className:"Select-loading"}))}},{key:"renderValue",value:function(e,t){var u=this,n=this.props.valueRenderer||this.getOptionLabel,s=this.props.valueComponent;if(!e.length)return function(e,t,u){var n=e.inputValue,s=e.isPseudoFocused,o=e.isFocused,i=t.onSelectResetsInput;return!n||!i&&!u&&!s&&!o}(this.state,this.props,t)?o.createElement("div",{className:"Select-placeholder"},this.props.placeholder):null;var i,a,r,l,p,h,c=this.props.onValueClick?this.handleValueClick:null;return this.props.multi?e.map(function(t,i){return o.createElement(s,{disabled:u.props.disabled||!1===t.clearableValue,id:u._instancePrefix+"-value-"+i,instancePrefix:u._instancePrefix,key:"value-"+i+"-"+t[u.props.valueKey],onClick:c,onRemove:u.removeValue,placeholder:u.props.placeholder,value:t,values:e},n(t,i),o.createElement("span",{className:"Select-aria-only"}," "))}):(i=this.state,a=this.props,r=i.inputValue,l=i.isPseudoFocused,p=i.isFocused,h=a.onSelectResetsInput,r&&(h||!p&&l||p&&!l)?void 0:(t&&(c=null),o.createElement(s,{disabled:this.props.disabled,id:this._instancePrefix+"-value-item",instancePrefix:this._instancePrefix,onClick:c,placeholder:this.props.placeholder,value:e[0]},n(e[0]))))}},{key:"renderInput",value:function(u,n){var s,i=this,a=t("Select-input",this.props.inputProps.className),r=this.state.isOpen,l=t((v(s={},this._instancePrefix+"-list",r),v(s,this._instancePrefix+"-backspace-remove-message",this.props.multi&&!this.props.disabled&&this.state.isFocused&&!this.state.inputValue),s)),p=this.state.inputValue;!p||this.props.onSelectResetsInput||this.state.isFocused||(p="");var h=E({},this.props.inputProps,{"aria-activedescendant":r?this._instancePrefix+"-option-"+n:this._instancePrefix+"-value","aria-describedby":this.props["aria-describedby"],"aria-expanded":""+r,"aria-haspopup":""+r,"aria-label":this.props["aria-label"],"aria-labelledby":this.props["aria-labelledby"],"aria-owns":l,onBlur:this.handleInputBlur,onChange:this.handleInputChange,onFocus:this.handleInputFocus,ref:function(e){return i.input=e},role:"combobox",required:this.state.required,tabIndex:this.props.tabIndex,value:p});if(this.props.inputRenderer)return this.props.inputRenderer(h);if(this.props.disabled||!this.props.searchable){var c=g(this.props.inputProps,[]),d=t(v({},this._instancePrefix+"-list",r));return o.createElement("div",E({},c,{"aria-expanded":r,"aria-owns":d,"aria-activedescendant":r?this._instancePrefix+"-option-"+n:this._instancePrefix+"-value","aria-disabled":""+this.props.disabled,"aria-label":this.props["aria-label"],"aria-labelledby":this.props["aria-labelledby"],className:a,onBlur:this.handleInputBlur,onFocus:this.handleInputFocus,ref:function(e){return i.input=e},role:"combobox",style:{border:0,width:1,display:"inline-block"},tabIndex:this.props.tabIndex||0}))}return this.props.autosize?o.createElement(e,E({id:this.props.id},h,{className:a,minWidth:"5"})):o.createElement("div",{className:a,key:"input-wrap",style:{display:"inline-block"}},o.createElement("input",E({id:this.props.id},h)))}},{key:"renderClear",value:function(){var e=this.getValueArray(this.props.value);if(this.props.clearable&&e.length&&!this.props.disabled&&!this.props.isLoading){var t=this.props.multi?this.props.clearAllText:this.props.clearValueText,u=this.props.clearRenderer();return o.createElement("span",{"aria-label":t,className:"Select-clear-zone",onMouseDown:this.clearValue,onTouchEnd:this.handleTouchEndClearValue,onTouchMove:this.handleTouchMove,onTouchStart:this.handleTouchStart,title:t},u)}}},{key:"renderArrow",value:function(){if(this.props.arrowRenderer){var e=this.handleMouseDownOnArrow,t=this.state.isOpen,u=this.props.arrowRenderer({onMouseDown:e,isOpen:t});return u?o.createElement("span",{className:"Select-arrow-zone",onMouseDown:e},u):null}}},{key:"filterOptions",value:function(e){var t=this.state.inputValue,u=this.props.options||[];if(this.props.filterOptions){var n="function"==typeof this.props.filterOptions?this.props.filterOptions:l;return n(u,t,e,{filterOption:this.props.filterOption,ignoreAccents:this.props.ignoreAccents,ignoreCase:this.props.ignoreCase,labelKey:this.props.labelKey,matchPos:this.props.matchPos,matchProp:this.props.matchProp,trimFilter:this.props.trimFilter,valueKey:this.props.valueKey})}return u}},{key:"onOptionRef",value:function(e,t){t&&(this.focused=e)}},{key:"renderMenu",value:function(e,t,u){return e&&e.length?this.props.menuRenderer({focusedOption:u,focusOption:this.focusOption,inputValue:this.state.inputValue,instancePrefix:this._instancePrefix,labelKey:this.props.labelKey,onFocus:this.focusOption,onOptionRef:this.onOptionRef,onSelect:this.selectValue,optionClassName:this.props.optionClassName,optionComponent:this.props.optionComponent,optionRenderer:this.props.optionRenderer||this.getOptionLabel,options:e,removeValue:this.removeValue,selectValue:this.selectValue,valueArray:t,valueKey:this.props.valueKey}):this.props.noResultsText?o.createElement("div",{className:"Select-noresults"},this.props.noResultsText):null}},{key:"renderHiddenField",value:function(e){var t=this;if(this.props.name){if(this.props.joinValues){var u=e.map(function(e){return C(e[t.props.valueKey])}).join(this.props.delimiter);return o.createElement("input",{disabled:this.props.disabled,name:this.props.name,ref:function(e){return t.value=e},type:"hidden",value:u})}return e.map(function(e,u){return o.createElement("input",{disabled:t.props.disabled,key:"hidden."+u,name:t.props.name,ref:"value"+u,type:"hidden",value:C(e[t.props.valueKey])})})}}},{key:"getFocusableOptionIndex",value:function(e){var t=this._visibleOptions;if(!t.length)return null;var u=this.props.valueKey,n=this.state.focusedOption||e;if(n&&!n.disabled){var s=-1;if(t.some(function(e,t){var o=e[u]===n[u];return o&&(s=t),o}),-1!==s)return s}for(var o=0;o<t.length;o++)if(!t[o].disabled)return o;return null}},{key:"renderOuter",value:function(e,t,u){var n=this,s=this.renderMenu(e,t,u);return s?o.createElement("div",{ref:function(e){return n.menuContainer=e},className:"Select-menu-outer",style:this.props.menuContainerStyle},o.createElement("div",{className:"Select-menu",id:this._instancePrefix+"-list",onMouseDown:this.handleMouseDownOnMenu,onScroll:this.handleMenuScroll,ref:function(e){return n.menu=e},role:"listbox",style:this.props.menuStyle,tabIndex:-1},s)):null}},{key:"render",value:function(){var e=this,u=this.getValueArray(this.props.value),n=this._visibleOptions=this.filterOptions(this.props.multi&&this.props.removeSelected?u:null),s=this.state.isOpen;this.props.multi&&!n.length&&u.length&&!this.state.inputValue&&(s=!1);var i=this.getFocusableOptionIndex(u[0]),a=null;a=this._focusedOption=null!==i?n[i]:null;var r=t("Select",this.props.className,{"has-value":u.length,"is-clearable":this.props.clearable,"is-disabled":this.props.disabled,"is-focused":this.state.isFocused,"is-loading":this.props.isLoading,"is-open":s,"is-pseudo-focused":this.state.isPseudoFocused,"is-searchable":this.props.searchable,"Select--multi":this.props.multi,"Select--rtl":this.props.rtl,"Select--single":!this.props.multi}),l=null;return this.props.multi&&!this.props.disabled&&u.length&&!this.state.inputValue&&this.state.isFocused&&this.props.backspaceRemoves&&(l=o.createElement("span",{id:this._instancePrefix+"-backspace-remove-message",className:"Select-aria-only","aria-live":"assertive"},this.props.backspaceToRemoveMessage.replace("{label}",u[u.length-1][this.props.labelKey]))),o.createElement("div",{ref:function(t){return e.wrapper=t},className:r,style:this.props.wrapperStyle},this.renderHiddenField(u),o.createElement("div",{ref:function(t){return e.control=t},className:"Select-control",onKeyDown:this.handleKeyDown,onMouseDown:this.handleMouseDown,onTouchEnd:this.handleTouchEnd,onTouchMove:this.handleTouchMove,onTouchStart:this.handleTouchStart,style:this.props.style},o.createElement("div",{className:"Select-multi-value-wrapper",id:this._instancePrefix+"-value"},this.renderValue(u,s),this.renderInput(u,i)),l,this.renderLoading(),this.renderClear(),this.renderArrow()),s?this.renderOuter(n,u,a):null)}}]),n}(o.Component);k.defaultProps={arrowRenderer:function(e){var t=e.onMouseDown;return o.createElement("span",{className:"Select-arrow",onMouseDown:t})},autosize:!0,backspaceRemoves:!0,backspaceToRemoveMessage:"Press backspace to remove {label}",clearable:!0,clearAllText:"Clear all",clearRenderer:function(){return o.createElement("span",{className:"Select-clear",dangerouslySetInnerHTML:{__html:"&times;"}})},clearValueText:"Clear value",closeOnSelect:!0,deleteRemoves:!0,delimiter:",",disabled:!1,duplicate:!1,escapeClearsValue:!0,filterOptions:l,ignoreAccents:!0,ignoreCase:!0,inputProps:{},isLoading:!1,joinValues:!1,labelKey:"label",matchPos:"any",matchProp:"any",menuBuffer:0,menuRenderer:p,multi:!1,noResultsText:"No results found",onBlurResetsInput:!0,onCloseResetsInput:!0,onSelectResetsInput:!0,openOnClick:!0,optionComponent:m,pageSize:5,placeholder:"Select...",removeSelected:!0,required:!1,rtl:!1,scrollMenuIntoView:!0,searchable:!0,simpleValue:!1,tabSelectsValue:!0,trimFilter:!0,valueComponent:F,valueKey:"value"};var w={},S={autoload:!0,cache:w,children:function(e){return o.createElement(k,e)},ignoreAccents:!0,ignoreCase:!0,loadingPlaceholder:"Loading...",options:[],searchPromptText:"Type to search"},V=function(e){function t(e,u){d(this,t);var n=y(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e,u));return n._cache=e.cache===w?{}:e.cache,n.state={inputValue:"",isLoading:!1,options:e.options},n.onInputChange=n.onInputChange.bind(n),n}return b(t,e),f(t,[{key:"componentDidMount",value:function(){this.props.autoload&&this.loadOptions("")}},{key:"componentWillReceiveProps",value:function(e){e.options!==this.props.options&&this.setState({options:e.options})}},{key:"componentWillUnmount",value:function(){this._callback=null}},{key:"loadOptions",value:function(e){var t=this,u=this.props.loadOptions,n=this._cache;if(n&&Object.prototype.hasOwnProperty.call(n,e))return this._callback=null,void this.setState({isLoading:!1,options:n[e]});var s=function u(s,o){var i=o&&o.options||[];n&&(n[e]=i),u===t._callback&&(t._callback=null,t.setState({isLoading:!1,options:i}))};this._callback=s;var o=u(e,s);o&&o.then(function(e){return s(0,e)},function(e){return s()}),this._callback&&!this.state.isLoading&&this.setState({isLoading:!0})}},{key:"onInputChange",value:function(e){var t=this.props,u=t.ignoreAccents,n=t.ignoreCase,s=t.onInputChange,o=e;if(s){var i=s(o);null!=i&&"object"!==(void 0===i?"undefined":c(i))&&(o=""+i)}var r=o;return u&&(r=a(r)),n&&(r=r.toLowerCase()),this.setState({inputValue:o}),this.loadOptions(r),o}},{key:"noResultsText",value:function(){var e=this.props,t=e.loadingPlaceholder,u=e.noResultsText,n=e.searchPromptText,s=this.state,o=s.inputValue;return s.isLoading?t:o&&u?u:n}},{key:"focus",value:function(){this.select.focus()}},{key:"render",value:function(){var e=this,t=this.props,u=t.children,n=t.loadingPlaceholder,s=t.placeholder,o=this.state,i=o.isLoading,a=o.options,r={noResultsText:this.noResultsText(),placeholder:i?n:s,options:i&&n?[]:a,ref:function(t){return e.select=t}};return u(E({},this.props,r,{isLoading:i,onInputChange:this.onInputChange}))}}]),t}(n.Component);V.defaultProps=S;var P=function(e){function t(e,u){d(this,t);var n=y(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e,u));return n.filterOptions=n.filterOptions.bind(n),n.menuRenderer=n.menuRenderer.bind(n),n.onInputKeyDown=n.onInputKeyDown.bind(n),n.onInputChange=n.onInputChange.bind(n),n.onOptionSelect=n.onOptionSelect.bind(n),n}return b(t,e),f(t,[{key:"createNewOption",value:function(){var e=this.props,t=e.isValidNewOption,u=e.newOptionCreator,n=e.onNewOptionClick,s=e.options,o=void 0===s?[]:s;if(t({label:this.inputValue})){var i=u({label:this.inputValue,labelKey:this.labelKey,valueKey:this.valueKey});this.isOptionUnique({option:i,options:o})&&(n?n(i):(o.unshift(i),this.select.selectValue(i)))}}},{key:"filterOptions",value:function(){var e=this.props,t=e.filterOptions,u=e.isValidNewOption,n=e.promptTextCreator,s=e.showNewOptionAtTop,o=(arguments.length<=2?void 0:arguments[2])||[],i=t.apply(void 0,arguments)||[];if(u({label:this.inputValue})){var a=this.props.newOptionCreator,r=a({label:this.inputValue,labelKey:this.labelKey,valueKey:this.valueKey});if(this.isOptionUnique({option:r,options:o.concat(i)})){var l=n(this.inputValue);this._createPlaceholderOption=a({label:l,labelKey:this.labelKey,valueKey:this.valueKey}),s?i.unshift(this._createPlaceholderOption):i.push(this._createPlaceholderOption)}}return i}},{key:"isOptionUnique",value:function(e){var t=e.option,u=e.options,n=this.props.isOptionUnique;return u=u||this.props.options,n({labelKey:this.labelKey,option:t,options:u,valueKey:this.valueKey})}},{key:"menuRenderer",value:function(e){var t=this.props.menuRenderer;return t(E({},e,{onSelect:this.onOptionSelect,selectValue:this.onOptionSelect}))}},{key:"onInputChange",value:function(e){var t=this.props.onInputChange;return this.inputValue=e,t&&(this.inputValue=t(e)),this.inputValue}},{key:"onInputKeyDown",value:function(e){var t=this.props,u=t.shouldKeyDownEventCreateNewOption,n=t.onInputKeyDown,s=this.select.getFocusedOption();s&&s===this._createPlaceholderOption&&u(e)?(this.createNewOption(),e.preventDefault()):n&&n(e)}},{key:"onOptionSelect",value:function(e){e===this._createPlaceholderOption?this.createNewOption():this.select.selectValue(e)}},{key:"focus",value:function(){this.select.focus()}},{key:"render",value:function(){var e=this,t=this.props,u=t.ref,n=g(t,["ref"]),s=this.props.children;return s||(s=T),s(E({},n,{allowCreate:!0,filterOptions:this.filterOptions,menuRenderer:this.menuRenderer,onInputChange:this.onInputChange,onInputKeyDown:this.onInputKeyDown,ref:function(t){e.select=t,t&&(e.labelKey=t.props.labelKey,e.valueKey=t.props.valueKey),u&&u(t)}}))}}]),t}(o.Component),T=function(e){return o.createElement(k,e)},B=function(e){var t=e.option,u=e.options,n=e.labelKey,s=e.valueKey;return!u||!u.length||0===u.filter(function(e){return e[n]===t[n]||e[s]===t[s]}).length},M=function(e){return!!e.label},_=function(e){var t=e.label,u=e.labelKey,n={};return n[e.valueKey]=t,n[u]=t,n.className="Select-create-option-placeholder",n},I=function(e){return'Create option "'+e+'"'},x=function(e){switch(e.keyCode){case 9:case 13:case 188:return!0;default:return!1}};P.isOptionUnique=B,P.isValidNewOption=M,P.newOptionCreator=_,P.promptTextCreator=I,P.shouldKeyDownEventCreateNewOption=x,P.defaultProps={filterOptions:l,isOptionUnique:B,isValidNewOption:M,menuRenderer:p,newOptionCreator:_,promptTextCreator:I,shouldKeyDownEventCreateNewOption:x,showNewOptionAtTop:!0};var R=function(e){function t(){return d(this,t),y(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return b(t,e),f(t,[{key:"focus",value:function(){this.select.focus()}},{key:"render",value:function(){var e=this;return o.createElement(V,this.props,function(t){var u=t.ref,n=g(t,["ref"]),s=u;return o.createElement(P,n,function(t){var u=t.ref,n=g(t,["ref"]),o=u;return e.props.children(E({},n,{ref:function(t){o(t),s(t),e.select=t}}))})})}}]),t}(o.Component);return R.defaultProps={children:function(e){return o.createElement(k,e)}},k.Async=V,k.AsyncCreatable=R,k.Creatable=P,k.Value=F,k.Option=m,k});
diff --git a/lib/Select.js b/lib/Select.js
index d4e9cce408..1f14d7a0a0 100644
--- a/lib/Select.js
+++ b/lib/Select.js
@@ -63,6 +63,8 @@ function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in ob
 
 function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
 
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
 function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
@@ -713,13 +715,17 @@ var Select = function (_React$Component) {
 					inputValue: this.handleInputValueChange(updatedValue),
 					isOpen: !this.props.closeOnSelect
 				}, function () {
-					var valueArray = _this3.getValueArray(_this3.props.value);
-					if (valueArray.some(function (i) {
-						return i[_this3.props.valueKey] === value[_this3.props.valueKey];
-					})) {
-						_this3.removeValue(value);
-					} else {
+					if (_this3.props.duplicate) {
 						_this3.addValue(value);
+					} else {
+						var valueArray = _this3.getValueArray(_this3.props.value);
+						if (valueArray.some(function (i) {
+							return i[_this3.props.valueKey] === value[_this3.props.valueKey];
+						})) {
+							_this3.removeValue(value);
+						} else {
+							_this3.addValue(value);
+						}
 					}
 				});
 			} else {
@@ -766,9 +772,24 @@ var Select = function (_React$Component) {
 			var _this4 = this;
 
 			var valueArray = this.getValueArray(this.props.value);
-			this.setValue(valueArray.filter(function (i) {
-				return i[_this4.props.valueKey] !== value[_this4.props.valueKey];
-			}));
+
+			if (this.props.duplicate) {
+				valueArray = [].concat(_toConsumableArray(valueArray));
+				valueArray.reverse();
+				var index = valueArray.findIndex(function (i) {
+					return i[_this4.props.valueKey] === value[_this4.props.valueKey];
+				});
+				if (index > -1) {
+					valueArray.splice(index, 1);
+				}
+				valueArray.reverse();
+				this.setValue(valueArray);
+			} else {
+				this.setValue(valueArray.filter(function (i) {
+					return i[_this4.props.valueKey] !== value[_this4.props.valueKey];
+				}));
+			}
+
 			this.focus();
 		}
 	}, {
@@ -1350,6 +1371,7 @@ Select.propTypes = {
 	deleteRemoves: _propTypes2.default.bool, // whether delete removes an item if there is no text input
 	delimiter: _propTypes2.default.string, // delimiter to use to join multiple values for the hidden field value
 	disabled: _propTypes2.default.bool, // whether the Select is disabled or not
+	duplicate: _propTypes2.default.bool, // whether the Select allows the same option to be selected multiple times
 	escapeClearsValue: _propTypes2.default.bool, // whether escape clears the value when the menu is closed
 	filterOption: _propTypes2.default.func, // method to filter a single option (option, filterString)
 	filterOptions: _propTypes2.default.any, // boolean to enable default filtering or function to filter the options array ([options], filterString, [values])
@@ -1422,6 +1444,7 @@ Select.defaultProps = {
 	deleteRemoves: true,
 	delimiter: ',',
 	disabled: false,
+	duplicate: false,
 	escapeClearsValue: true,
 	filterOptions: _defaultFilterOptions2.default,
 	ignoreAccents: true,
diff --git a/package.json b/package.json
index 91d72a9b5e..d2723e4ce3 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,18 @@
 {
   "name": "react-select",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "A Select control built with and for ReactJS",
   "main": "lib/index.js",
   "jsnext:main": "dist/react-select.es.js",
   "module": "dist/react-select.es.js",
   "style": "dist/react-select.min.css",
   "author": "Jed Watson",
+  "contributors": [
+    {
+      "name": "Kim Yu Ng",
+      "email": "kimyu92@outlook.com"
+    }
+  ],
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -58,7 +64,7 @@
     "react-highlight-words": "^0.8.1",
     "react-test-renderer": "^15.6.1",
     "react-virtualized": "^9.9.0",
-    "react-virtualized-select": "^3.1.0",
+    "react-virtualized-select": "^3.1.3",
     "rollup": "^0.49.2",
     "rollup-plugin-babel": "^3.0.2",
     "rollup-plugin-commonjs": "^8.2.0",
@@ -88,7 +94,12 @@
     "test": "cross-env NODE_ENV=test mocha --compilers js:babel-core/register",
     "precommit": "lint-staged && yarn run test"
   },
-  "files": ["dist", "less", "lib", "scss"],
+  "files": [
+    "dist",
+    "less",
+    "lib",
+    "scss"
+  ],
   "keywords": [
     "combobox",
     "form",
diff --git a/src/Select.js b/src/Select.js
index fbf84ea2d6..46dfdf8d7a 100644
--- a/src/Select.js
+++ b/src/Select.js
@@ -619,11 +619,15 @@ class Select extends React.Component {
 				inputValue: this.handleInputValueChange(updatedValue),
 				isOpen: !this.props.closeOnSelect,
 			}, () => {
-				const valueArray = this.getValueArray(this.props.value);
-				if (valueArray.some(i => i[this.props.valueKey] === value[this.props.valueKey])) {
-					this.removeValue(value);
-				} else {
+				if (this.props.duplicate) {
 					this.addValue(value);
+				} else {
+					const valueArray = this.getValueArray(this.props.value);
+					if (valueArray.some(i => i[this.props.valueKey] === value[this.props.valueKey])) {
+						this.removeValue(value);
+					} else {
+						this.addValue(value);
+					}
 				}
 			});
 		} else {
@@ -661,7 +665,20 @@ class Select extends React.Component {
 
 	removeValue (value) {
 		let valueArray = this.getValueArray(this.props.value);
-		this.setValue(valueArray.filter(i => i[this.props.valueKey] !== value[this.props.valueKey]));
+
+		if (this.props.duplicate) {
+			valueArray = [...valueArray];
+			valueArray.reverse();
+			const index = valueArray.findIndex((i) => (i[this.props.valueKey] === value[this.props.valueKey]));
+			if (index > -1) {
+				valueArray.splice(index, 1);
+			}
+			valueArray.reverse();
+			this.setValue(valueArray);
+		} else {
+			this.setValue(valueArray.filter(i => i[this.props.valueKey] !== value[this.props.valueKey]));
+		}
+
 		this.focus();
 	}
 
@@ -1205,6 +1222,7 @@ Select.propTypes = {
 	deleteRemoves: PropTypes.bool,        // whether delete removes an item if there is no text input
 	delimiter: PropTypes.string,          // delimiter to use to join multiple values for the hidden field value
 	disabled: PropTypes.bool,             // whether the Select is disabled or not
+	duplicate: PropTypes.bool, 						// whether the Select allows the same option to be selected multiple times
 	escapeClearsValue: PropTypes.bool,    // whether escape clears the value when the menu is closed
 	filterOption: PropTypes.func,         // method to filter a single option (option, filterString)
 	filterOptions: PropTypes.any,         // boolean to enable default filtering or function to filter the options array ([options], filterString, [values])
@@ -1277,6 +1295,7 @@ Select.defaultProps = {
 	deleteRemoves: true,
 	delimiter: ',',
 	disabled: false,
+	duplicate: false,
 	escapeClearsValue: true,
 	filterOptions: defaultFilterOptions,
 	ignoreAccents: true,