3 lines
7.3 KiB
JavaScript
3 lines
7.3 KiB
JavaScript
|
// Awesomplete - Lea Verou - MIT license
|
||
|
|
!function(){function t(t){var e=Array.isArray(t)?{label:t[0],value:t[1]}:"object"==typeof t&&"label"in t&&"value"in t?t:{label:t,value:t};this.label=e.label||e.value,this.value=e.value}function e(t,e,i){for(var n in e){var s=e[n],r=t.input.getAttribute("data-"+n.toLowerCase());"number"==typeof s?t[n]=parseInt(r):!1===s?t[n]=null!==r:s instanceof Function?t[n]=null:t[n]=r,t[n]||0===t[n]||(t[n]=n in i?i[n]:s)}}function i(t,e){return"string"==typeof t?(e||document).querySelector(t):t||null}function n(t,e){return o.call((e||document).querySelectorAll(t))}function s(){n("input.awesomplete").forEach(function(t){new r(t)})}var r=function(t,n){var s=this;r.count=(r.count||0)+1,this.count=r.count,this.isOpened=!1,this.input=i(t),this.input.setAttribute("autocomplete","off"),this.input.setAttribute("aria-expanded","false"),this.input.setAttribute("aria-owns","awesomplete_list_"+this.count),this.input.setAttribute("role","combobox"),this.options=n=n||{},e(this,{minChars:2,maxItems:10,autoFirst:!1,data:r.DATA,filter:r.FILTER_CONTAINS,sort:!1!==n.sort&&r.SORT_BYLENGTH,container:r.CONTAINER,item:r.ITEM,replace:r.REPLACE,tabSelect:!1},n),this.index=-1,this.container=this.container(t),this.ul=i.create("ul",{hidden:"hidden",role:"listbox",id:"awesomplete_list_"+this.count,inside:this.container}),this.status=i.create("span",{className:"visually-hidden",role:"status","aria-live":"assertive","aria-atomic":!0,inside:this.container,textContent:0!=this.minChars?"Type "+this.minChars+" or more characters for results.":"Begin typing for results."}),this._events={input:{input:this.evaluate.bind(this),blur:this.close.bind(this,{reason:"blur"}),keydown:function(t){var e=t.keyCode;s.opened&&(13===e&&s.selected?(t.preventDefault(),s.select()):9===e&&s.selected&&s.tabSelect?s.select():27===e?s.close({reason:"esc"}):38!==e&&40!==e||(t.preventDefault(),s[38===e?"previous":"next"]()))}},form:{submit:this.close.bind(this,{reason:"submit"})},ul:{mousedown:function(t){t.preventDefault()},click:function(t){var e=t.target;if(e!==this){for(;e&&!/li/i.test(e.nodeName);)e=e.parentNode;e&&0===t.button&&(t.preventDefault(),s.select(e,t.target))}}}},i.bind(this.input,this._events.input),i.bind(this.input.form,this._events.form),i.bind(this.ul,this._events.ul),this.input.hasAttribute("list")?(this.list="#"+this.input.getAttribute("list"),this.input.removeAttribute("list")):this.list=this.input.getAttribute("data-list")||n.list||[],r.all.push(this)};r.prototype={set list(t){if(Array.isArray(t))this._list=t;else if("string"==typeof t&&t.indexOf(",")>-1)this._list=t.split(/\s*,\s*/);else if((t=i(t))&&t.children){var e=[];o.apply(t.children).forEach(function(t){if(!t.disabled){var i=t.textContent.trim(),n=t.value||i,s=t.label||i;""!==n&&e.push({label:s,value:n})}}),this._list=e}document.activeElement===this.input&&this.evaluate()},get selected(){return this.index>-1},get opened(){return this.isOpened},close:function(t){this.opened&&(this.input.setAttribute("aria-expanded","false"),this.ul.setAttribute("hidden",""),this.isOpened=!1,this.index=-1,this.status.setAttribute("hidden",""),i.fire(this.input,"awesomplete-close",t||{}))},open:function(){this.input.setAttribute("aria-expanded","true"),this.ul.removeAttribute("hidden"),this.isOpened=!0,this.status.removeAttribute("hidden"),this.autoFirst&&-1===this.index&&this.goto(0),i.fire(this.input,"awesomplete-open")},destroy:function(){if(i.unbind(this.input,this._events.input),i.unbind(this.input.form,this._events.form),!this.options.container){var t=this.container.parentNode;t.insertBefore(this.input,this.container),t.removeChild(this.container)}this.input.removeAttribute("autocomplete"),this.input.removeAttribute("aria-autocomplete");var e=r.all.indexOf(this);-1!==e&&r.all.splice(e,1)},next:function(){var t=this.ul.children.length;this.goto(this.index<t-1?this.index+1:t?0:-1)},previous:function(){var t=this.ul.children.length,e=this.index-1;this.goto(this.selected&&-1!==e?e:t-1)},goto:function(t){var e=this.ul.children;this.selected&&e[this.index].setAttribute("aria-selected","false"),this.index=t,t>-1&&e.length>0&&(e[t].
|