UNPKG

apex4x

Version:

The Comprehensive ARIA Development Suite

whatsock.com

whatsock/apex

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/*@license CalcNames: The AccName Computation Prototype, compute the Name and Description property values for a DOM node Returns an object with 'name' and 'desc' properties. Functionality mirrors the steps within the W3C Accessible Name and Description computation algorithm. https://w3c.github.io/accname/ Author: Bryan Garaventa https://github.com/whatsock/w3c-alternative-text-computation Distributed under the terms of the Open Source Initiative OSI - MIT License */ !function(){var r=window.AccNamePrototypeNameSpace||window,me=(r&&"string"==typeof r&&r.length&&(window[r]={},r=window[r]),r.getAccNameVersion="2.62",r.getAccName=r.calcNames=function(e,t,W,r){var G=(r=r||{}).document||document,n={name:"",desc:"",error:""},p=!1,Q=!1;try{if(!e||1!==e.nodeType)return n;var U=e,o=me(e.getAttribute("role")||""),z={name:[],desc:[]},F=[],J=function(I,P,R,E,B,H,$){($=$||{}).tag=$.tag||!1,$.role=$.role||!1,$.go=$.go||!1;function f(e,t,r){var n={name:"",title:""};if(e){var o,i,a,l,d,u=!(!e||1!==e.nodeType||!x(e)),s=e,c=t(e)||{};if(c.name&&c.name.length&&(n.name+=c.name),!c.skip&&(o=e,!(i=H.top)||!o||1!==i.nodeType||1!==o.nodeType||(a=X(o),l=o.nodeName.toLowerCase(),(d=function(e,t){return a&&0<=t.roles.indexOf(a)||!a&&0<=t.tags.indexOf(l)})(0,h)?o!==i||o.id&&H[o.id]&&H[o.id].node?g(o,H.top)&&"select"!==o.nodeName.toLowerCase()||d(0,m):Y(o):!d(0,b)&&(o!==U||d(0,m))||!(a||-1===["section"].indexOf(l)||o.getAttribute("aria-labelledby")||o.getAttribute("aria-label"))||$.go)))for($.go&&($.go=!1),e=e.firstChild;e;)n.name+=f(e,t,r).name,e=e.nextSibling;n.name+=c.owns||"",U===s&&r===s&&!me(n.name)&&me(c.title)?n.name=ie(c.title):U===s&&r===s&&me(c.title)&&(n.title=ie(c.title)),U===s&&r===s&&me(c.desc)&&(n.title=ie(c.desc)),U===s&&r===s&&me(c.placeholder)&&!me(n.name)?(n.name=ie(c.placeholder),p=!0):U===s&&r===s&&me(c.placeholder)&&!me(n.title)&&(n.title=ie(c.placeholder)),(u||c.isWidget)&&(n.name=ie(n.name))}return n}var e={name:"",title:""},M=!1,g=function(e,t){for(var r=[];e;){if((e=e.id&&H[e.id]&&H[e.id].node&&-1===r.indexOf(e)?(r.push(e),H[e.id].node):e.parentNode)&&e===t)return!0;if(!e||e===H.top||e===G.body)return!1}return!1},t={before:"",after:""},e=($.tag||$.role||-1!==z[H.computingDesc?"desc":"name"].indexOf(I)||(t=ae(I,null),W&&(-1===t.before.indexOf(" [ARIA] ")&&-1===t.before.indexOf(" aria-")&&-1===t.before.indexOf(" accName: ")||(t.before=""),-1===t.after.indexOf(" [ARIA] ")&&-1===t.after.indexOf(" aria-")&&-1===t.after.indexOf(" accDescription: ")||(t.after=""))),f(I,function(e){var t=0,r=null,n=[],o=[],i={name:"",title:"",owns:"",skip:!1},a=!!(e&&1===e.nodeType&&E&&E.length&&-1!==E.indexOf(e)&&e===U&&e!==I),l=!1;if((!R&&e&&!re(e,H.top)||B||a)&&!$.tag&&!$.role&&-1===z[H.computingDesc?"desc":"name"].indexOf(e)){z[H.computingDesc?"desc":"name"].push(e);var d="",u="",s={before:"",after:""},c=I===e?e:e.parentNode;if($.tag||$.role||-1!==z[H.computingDesc?"desc":"name"].indexOf(c)||(z[H.computingDesc?"desc":"name"].push(c),s=ae(c,I),W&&(-1===s.before.indexOf(" [ARIA] ")&&-1===s.before.indexOf(" aria-")&&-1===s.before.indexOf(" accName: ")||(s.before=""),-1===s.after.indexOf(" [ARIA] ")&&-1===s.after.indexOf(" aria-")&&-1===s.after.indexOf(" accDescription: ")||(s.after=""))),1===e.nodeType){var c=e.nodeName.toLowerCase(),f=X(e),g=!$.tag&&!$.role&&e.getAttribute("aria-labelledby")||"",p=!$.tag&&!$.role&&e.getAttribute("aria-describedby")||"",m=!$.tag&&!$.role&&e.getAttribute("aria-description"),b=!$.tag&&!$.role&&e.getAttribute("aria-label")||"",h=!$.tag&&!$.role&&e.getAttribute("title")||"";if(e===U&&!f&&-1!==Z.indexOf(c))return i;if(e===U&&(-1!==_.indexOf(f)||!f&&-1!==ee.indexOf(c)))return i;var 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L=G.querySelectorAll("label"),T="",V=ge(e,"label")||!1;for(t=0;t<L.length;t++)(L[t]!==V||"string"==typeof V.getAttribute("for"))&&L[t].getAttribute("for")!==e.id||ne(L[t],G.body)||(T+=ie(J(L[t],!0,R,[e],!1,{ref:H,top:L[t]}).name));me(d=T)&&(C=!0)}var g=!$.tag&&!$.role&&y&&(e.getAttribute("type")||"").toLowerCase()||!1,p=!$.tag&&!$.role&&g&&me(e.getAttribute("value"))||!1,D=w&&"img"===c?"":me(e.alt||e.getAttribute("alt"));if($.tag||$.role||C||w||"img"!==f&&"img"!==c&&"image"!==g||!D&&!me(h)||(d=me(D)||me(h),me(d)&&(C=!0)),$.tag||$.role||C||w||"area"!==c||!D||(d=me(D),me(d)&&(C=!0)),"optgroup"===c&&($.tag||$.role||C||w||!e.getAttribute("label")||(d=me(e.getAttribute("label")),me(d)&&(C=!0)),i.skip=!0),!$.tag&&!$.role&&!C&&e===I&&g&&-1!==["button","submit","reset"].indexOf(g)){if(p)d=p;else 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o=X(e)||!1;if(1===e.nodeType&&(!t&&!r||o&&r&&-1!==r.indexOf(o)||!o&&t&&-1!==t.indexOf(e.nodeName.toLowerCase())))return e;if(!n&&1===e.nodeType&&(t||r))return null;e=e.nextSibling}return e},X=function(e){var t=e&&e.getAttribute?(e.getAttribute("role")||"").toLowerCase():"";if(me(t))for(var r=function(e){return 0<me(t).length&&0<=e.roles.indexOf(t)},n=t.split(/\s+/),o=0;o<n.length;o++)if(t=n[o],r(m)||r(b)||r(h)||r(i)||-1!==te.indexOf(t))return t;return""},Y=function(e){var t=e.nodeName.toLowerCase();return!!e.getAttribute("tabindex")||!("a"!==t||!e.getAttribute("href"))||-1!==["button","input","select","textarea"].indexOf(t)&&"hidden"!==(e.getAttribute("type")||"").toLowerCase()},m={roles:["button","checkbox","link","option","radio","switch","tab","treeitem","menuitem","menuitemcheckbox","menuitemradio","row","cell","gridcell","columnheader","rowheader","tooltip","heading"],tags:["a","button","summary","input","h1","h2","h3","h4","h5","h6","menuitem","option","tr","td","th"]},b={roles:["application","alert","log","marquee","timer","alertdialog","dialog","banner","complementary","form","main","navigation","progressbar","region","search","article","document","feed","figure","img","math","toolbar","menu","menubar","grid","listbox","radiogroup","textbox","searchbox","spinbutton","scrollbar","slider","tablist","tabpanel","tree","treegrid","separator","rowgroup","group"],tags:["article","aside","body","select","datalist","optgroup","dialog","figure","footer","form","header","hr","iframe","img","textarea","input","main","math","menu","nav","section","thead","tbody","tfoot","fieldset","progress"]},h={roles:["term","definition","directory","list","note","status","table","contentinfo"],tags:["dl","ul","ol","dd","details","output","table"]},i={roles:["legend","caption","code","deletion","emphasis","generic","insertion","paragraph","strong","subscript","superscript"],tags:["legend","caption","figcaption","code","del","em","div","span","ins","p","strong","sub","sup"]},Z=["div","span"],_=["caption","code","deletion","emphasis","generic","insertion","none","paragraph","presentation","strong","subscript","superscript"],ee=["caption","figcaption","code","del","em","div","span","ins","p","strong","sub","sup"],le=["button","input","progress","select","textarea"],de=["scrollbar","slider","spinbutton","progressbar"],ue=["searchbox","textbox"],se=["grid","listbox","tablist","tree","treegrid"],ce=["button","checkbox","link","switch","option","menu","menubar","menuitem","menuitemcheckbox","menuitemradio","radio","tab","treeitem","gridcell"],te=["presentation","none"],fe=function(e){for(var t=["labelledby","label","describedby","busy","controls","current","details","disabled","dropeffect","errormessage","flowto","grabbed","haspopup","invalid","keyshortcuts","live","owns","roledescription"],r=0;r<t.length;r++)if(me(e.getAttribute("aria-"+t[r])))return!0;return!1},re=r.isHidden||function(e,t){return!(!(e=e)||1!==e.nodeType||e===t||"true"!==e.getAttribute("aria-hidden")&&!e.getAttribute("hidden")&&"none"!==(e=a(e)).display&&"hidden"!==e.visibility)},ne=function(e,t,r,n){for(;e&&e!==t;){if(!n&&1===e.nodeType&&re(e,t))return!0;n=!1,e=e.parentNode}return!1},a=r.getStyleObject||function(e){var t={};return G.defaultView&&G.defaultView.getComputedStyle?t=G.defaultView.getComputedStyle(e,""):e.currentStyle&&(t=e.currentStyle),t},l=function(e,t){if(-1!==(i=t).indexOf("attr("))for(var r=i.match(/attr\((.|\n|\r\n)*?\)/g),n=0;n<r.length;n++)var o=r[n].slice(5,-1),o=e.getAttribute(o)||"",i=i.replace(r[n],o);return 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Please copy this error message and the HTML markup that caused it, and submit both as a new GitHub issue at\nhttps://github.com/whatsock/w3c-alternative-text-computation":(t='accName: "'+e.name+'"\n\naccDesc: "'+e.desc+'"\n\n',e.placeholder&&(t+="Name from placeholder: true\n\n"),e.userAgent&&(t+="Name from user agent: true\n\n"),t+("(Running AccName Computation Prototype version: "+r.getAccNameVersion)+")")},"object"==typeof module&&module.exports&&(module.exports={getNames:r.getNames,calcNames:r.calcNames})}(),$A.extend({getAccName:window.getAccName});