| 1 | !function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t(require("preact")):"function"==typeof define&&define.amd?define(["preact"],t):e.Downshift=t(e.React)}(this,function(e){"use strict";function t(e){var t=k[k.length-1]===e;k=t?[].concat(C(k),[e]):[e],o().innerHTML=""+k.filter(Boolean).map(n).join("")}function n(e,t){return'<div style="display:'+(t===k.length-1?"block":"none")+';">'+e+"</div>"}function o(){return O||((O=document.createElement("div")).setAttribute("id","a11y-status-message"),O.setAttribute("role","status"),O.setAttribute("aria-live","assertive"),O.setAttribute("aria-relevant","additions text"),Object.assign(O.style,{border:"0",clip:"rect(0 0 0 0)",height:"1px",margin:"-1px",overflow:"hidden",padding:"0",position:"absolute",width:"1px"}),document.body.appendChild(O),O)}function i(e){return"function"==typeof e?e:r}function r(){}function u(e,t,n){return null!==t&&t!==n.parentNode?e(t)?t:u(e,t.parentNode,n):null}function l(e,t){var n=D(e,t);if(null!==n){var o=getComputedStyle(n),i=n.getBoundingClientRect(),r=parseInt(o.borderTopWidth,10),u=i.top+r,l=e.getBoundingClientRect(),s=l.top+n.scrollTop-u;s<n.scrollTop?n.scrollTop=s:s+l.height>n.scrollTop+i.height&&(n.scrollTop=s+l.height-i.height)}}function s(e,t){var n=void 0;return function(){for(var o=arguments.length,i=Array(o),r=0;r<o;r++)i[r]=arguments[r];n&&clearTimeout(n),n=setTimeout(function(){n=null,e.apply(void 0,i)},t)}}function a(){for(var e=arguments.length,t=Array(e),n=0;n<e;n++)t[n]=arguments[n];return function(e){for(var n=arguments.length,o=Array(n>1?n-1:0),i=1;i<n;i++)o[i-1]=arguments[i];return t.some(function(t){return t&&t.apply(void 0,[e].concat(o)),e.defaultPrevented})}}function h(e){return e+"-"+_++}function d(){for(var e=arguments.length,t=Array(e),n=0;n<e;n++)t[n]=arguments[n];return t.find(function(e){return void 0!==e})}function p(e){return e===e&&"number"==typeof e}function c(e,t){return!(e=Array.isArray(e)?e[0]:e)&&t?t:e}function f(e){return e.nodeName?"string"==typeof e.nodeName:"string"==typeof e.type}function g(e){return e.props||e.attributes}function m(e,t){var n=t.refKey,o="ref"!==n,i=!f(e);if(i&&!o)throw new Error("downshift: You returned a non-DOM element. 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n=function(){e.isMouseDown=!0},o=function(n){e.isMouseDown=!1,n.target!==e._rootNode&&e._rootNode.contains(n.target)||!e.getState().isOpen||e.reset(t.stateChangeTypes.mouseUp)};window.addEventListener("mousedown",n),window.addEventListener("mouseup",o),this.cleanup=function(){e._isMounted=!1,window.removeEventListener("mousedown",n),window.removeEventListener("mouseup",o)}}},{key:"componentDidUpdate",value:function(e){this.isStateProp("selectedItem")&&this.props.selectedItem!==e.selectedItem&&this.internalSetState({inputValue:this.props.itemToString(this.props.selectedItem)}),this.updateStatus()}},{key:"componentWillUnmount",value:function(){this.cleanup()}},{key:"render",value:function(){var e=c(this.props.children,r);this.items=[],this.getRootProps.called=!1,this.getRootProps.refKey=void 0,this.getLabelProps.called=!1,this.getInputProps.called=!1;var t=c(e(this.getControllerStateAndHelpers()));if(!t)return null;if(this.getRootProps.called)return 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t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:e.props.defaultHighlightedIndex;e.internalSetState({highlightedIndex:t},function(){l(e.getItemNodeFromIndex(e.getState().highlightedIndex),e._rootNode)})},this.highlightIndex=function(t){e.openMenu(function(){e.setHighlightedIndex(t)})},this.moveHighlightedIndex=function(t){e.getState().isOpen?e.changeHighlighedIndex(t):e.highlightIndex()},this.changeHighlighedIndex=function(t){var n=e.getItemCount()-1;if(!(n<0)){var o=e.getState().highlightedIndex;null===o&&(o=t>0?-1:n+1);var i=o+t;i<0?i=n:i>n&&(i=0),e.setHighlightedIndex(i)}},this.clearSelection=function(){e.internalSetState({selectedItem:null,inputValue:"",isOpen:!1},function(){var t=e._rootNode.querySelector("#"+e.inputId);t&&t.focus&&t.focus()})},this.selectItem=function(t){e.internalSetState({isOpen:!1,highlightedIndex:null,selectedItem:t,inputValue:e.props.itemToString(t)})},this.selectItemAtIndex=function(t){var n=e.items[t];n&&e.selectItem(n)},this.selectHighlightedItem=function(){return e.selectItemAtIndex(e.getState().highlightedIndex)},this.rootRef=function(t){return e._rootNode=t},this.getRootProps=function(){var t,n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},o=n.refKey,i=void 0===o?"ref":o,r=n.onClick,u=x(n,["refKey","onClick"]);return e.getRootProps.called=!0,e.getRootProps.refKey=i,b((t={},w(t,i,e.rootRef),w(t,"onClick",a(r,e.root_handleClick)),t),u)},this.root_handleClick=function(t){t.preventDefault();var n=u(function(t){return p(e.getItemIndexFromId(t.getAttribute("id")))},t.target,e._rootNode);n&&e.selectItemAtIndex(e.getItemIndexFromId(n.getAttribute("id")))},this.keyDownHandlers={ArrowDown:function(e){e.preventDefault();var t=e.shiftKey?5:1;this.moveHighlightedIndex(t)},ArrowUp:function(e){e.preventDefault();var t=e.shiftKey?-5:-1;this.moveHighlightedIndex(t)},Enter:function(e){e.preventDefault(),this.getState().isOpen&&this.selectHighlightedItem()},Escape:function(e){e.preventDefault(),this.reset()}},this.buttonKeyDownHandlers=b({},this.keyDownHandlers,{" ":function(e){e.preventDefault(),this.toggleMenu()}}),this.getButtonProps=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=t.onClick,o=t.onKeyDown,i=x(t,["onClick","onKeyDown"]),r=e.getState().isOpen;return b({role:"button","aria-label":r?"close menu":"open menu","aria-expanded":r,"aria-haspopup":!0,onClick:a(n,e.button_handleClick),onKeyDown:a(o,e.button_handleKeyDown)},i)},this.button_handleKeyDown=function(t){e.buttonKeyDownHandlers[t.key]&&e.buttonKeyDownHandlers[t.key].call(e,t)},this.button_handleClick=function(t){t.preventDefault(),e.toggleMenu()},this.getLabelProps=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(e.getLabelProps.called=!0,e.getInputProps.called&&t.htmlFor&&t.htmlFor!==e.inputId)throw new Error('downshift: You provided the htmlFor of "'+t.htmlFor+'" for your label, but the id of your input is "'+e.inputId+'". 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You must either remove the id from your input or set the htmlFor of the label equal to the input id.');e.inputId=d(e.inputId,l.id,h("downshift-input"));var s=e.getState(),p=s.inputValue,c=s.isOpen,f=s.highlightedIndex;return b((t={role:"combobox","aria-autocomplete":"list","aria-expanded":c,"aria-activedescendant":"number"==typeof f&&f>=0?e.getItemId(f):null,autoComplete:"off",value:p},w(t,"onInput",a(r,u,e.input_handleChange)),w(t,"onKeyDown",a(o,e.input_handleKeyDown)),w(t,"onBlur",a(i,e.input_handleBlur)),t),l,{id:e.inputId})},this.input_handleKeyDown=function(t){t.key&&e.keyDownHandlers[t.key]&&e.keyDownHandlers[t.key].call(e,t)},this.input_handleChange=function(t){e.internalSetState({isOpen:!0,inputValue:t.target.value})},this.input_handleBlur=function(){e.isMouseDown||e.reset()},this.getItemProps=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=t.onMouseEnter,o=t.item,i=t.index,r=x(t,["onMouseEnter","item","index"]);return e.items[i]=o,b({id:e.getItemId(i),onMouseEnter:a(n,function(){e.setHighlightedIndex(i)})},r)},this.reset=function(t){e.internalSetState(function(n){var o=n.selectedItem;return{type:t,isOpen:!1,highlightedIndex:null,inputValue:e.props.itemToString(o)}})},this.toggleMenu=function(t,n){e.internalSetState(function(e){var n=!e.isOpen;return"boolean"==typeof t&&(n=t),{isOpen:n}},function(){e.getState().isOpen&&e.setHighlightedIndex(),i(n)()})},this.openMenu=function(t){e.toggleMenu(!0,t)},this.closeMenu=function(t){e.toggleMenu(!1,t)},this.updateStatus=s(function(){if(e._isMounted){var n=e.getState(),o=e.items[n.highlightedIndex]||{},i=e.getItemCount(),r=e.props.getA11yStatusMessage(b({itemToString:e.props.itemToString,previousResultCount:e.previousResultCount,resultCount:i,highlightedItem:o},n));e.previousResultCount=i,t(r)}},200)};return H});
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