4 lines
4.7 KiB
JavaScript
4 lines
4.7 KiB
JavaScript
/*!
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* tabbable 5.3.2
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* @license MIT, https://github.com/focus-trap/tabbable/blob/master/LICENSE
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*/ !function(e,t){var n,o;"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):(n=(e="undefined"!=typeof globalThis?globalThis:e||self).tabbable,t(o=e.tabbable={}),o.noConflict=function(){return e.tabbable=n,o})}(this,function(e){"use strict";var t=["input","select","textarea","a[href]","button","[tabindex]:not(slot)","audio[controls]","video[controls]",'[contenteditable]:not([contenteditable="false"])',"details>summary:first-of-type","details"],n=t.join(","),o="undefined"==typeof Element,r=o?function(){}:Element.prototype.matches||Element.prototype.msMatchesSelector||Element.prototype.webkitMatchesSelector,a=!o&&Element.prototype.getRootNode?function(e){return e.getRootNode()}:function(e){return e.ownerDocument},i=function e(t,o,a){var i=Array.prototype.slice.apply(t.querySelectorAll(n));return o&&r.call(t,n)&&i.unshift(t),i=i.filter(a)},u=function e(t,o,a){for(var i=[],u=Array.from(t);u.length;){var l=u.shift();if("SLOT"===l.tagName){var c=l.assignedElements(),d=c.length?c:l.children,f=e(d,!0,a);a.flatten?i.push.apply(i,f):i.push({scope:l,candidates:f})}else{r.call(l,n)&&a.filter(l)&&(o||!t.includes(l))&&i.push(l);var s=l.shadowRoot||"function"==typeof a.getShadowRoot&&a.getShadowRoot(l);if(s){var p=e(!0===s?l.children:s.children,!0,a);a.flatten?i.push.apply(i,p):i.push({scope:l,candidates:p})}else u.unshift.apply(u,l.children)}}return i},l=function e(t,n){return t.tabIndex<0&&(n||/^(AUDIO|VIDEO|DETAILS)$/.test(t.tagName)||t.isContentEditable)&&isNaN(parseInt(t.getAttribute("tabindex"),10))?0:t.tabIndex},c=function e(t,n){return t.tabIndex===n.tabIndex?t.documentOrder-n.documentOrder:t.tabIndex-n.tabIndex},d=function e(t){return"INPUT"===t.tagName},f=function e(t,n){for(var o=0;o<t.length;o++)if(t[o].checked&&t[o].form===n)return t[o]},s=function e(t){if(!t.name)return!0;var n,o=t.form||a(t),r=function e(t){return o.querySelectorAll('input[type="radio"][name="'+t+'"]')};if("undefined"!=typeof window&&void 0!==window.CSS&&"function"==typeof window.CSS.escape)n=r(window.CSS.escape(t.name));else try{n=r(t.name)}catch(i){return console.error("Looks like you have a radio button with a name attribute containing invalid CSS selector characters and need the CSS.escape polyfill: %s",i.message),!1}var u=f(n,t.form);return!u||u===t},p=function e(t){var n;return d(n=t)&&"radio"===n.type&&!s(t)},h=function e(t){var n=t.getBoundingClientRect(),o=n.width,r=n.height;return 0===o&&0===r},b=function e(t,n){var o=n.displayCheck,i=n.getShadowRoot;if("hidden"===getComputedStyle(t).visibility)return!0;var u=r.call(t,"details>summary:first-of-type")?t.parentElement:t;if(r.call(u,"details:not([open]) *"))return!0;var l=a(t).host,c=(null==l?void 0:l.ownerDocument.contains(l))||t.ownerDocument.contains(t);if(o&&"full"!==o){if("non-zero-area"===o)return h(t)}else{if("function"==typeof i){for(var d=t;t;){var f=t.parentElement,s=a(t);if(f&&!f.shadowRoot&&!0===i(f))return h(t);t=t.assignedSlot?t.assignedSlot:f||s===t.ownerDocument?f:s.host}t=d}if(c)return!t.getClientRects().length}return!1},m=function e(t){if(/^(INPUT|BUTTON|SELECT|TEXTAREA)$/.test(t.tagName))for(var n=t.parentElement;n;){if("FIELDSET"===n.tagName&&n.disabled){for(var o=0;o<n.children.length;o++){var a=n.children.item(o);if("LEGEND"===a.tagName)return!!r.call(n,"fieldset[disabled] *")||!a.contains(t)}return!0}n=n.parentElement}return!1},y=function e(t,n){var o,r;return!(n.disabled||d(o=n)&&"hidden"===o.type||b(n,t)||(r=n,"DETAILS"===r.tagName&&Array.prototype.slice.apply(r.children).some(function(e){return"SUMMARY"===e.tagName}))||m(n))},v=function e(t,n){return!(p(n)||0>l(n))&&!!y(t,n)},g=function e(t){var n=[],o=[];return t.forEach(function(t,r){var a=!!t.scope,i=a?t.scope:t,u=l(i,a),c=a?e(t.candidates):i;0===u?a?n.push.apply(n,c):n.push(i):o.push({documentOrder:r,tabIndex:u,item:t,isScope:a,content:c})}),o.sort(c).reduce(function(e,t){return t.isScope?e.push.apply(e,t.content):e.push(t.content),e},[]).concat(n)},S=function e(t,n){var o;return o=(n=n||{}).getShadowRoot?u([t],n.includeContainer,{filter:v.bind(null,n),flatten:!1,getShadowRoot:n.getShadowRoot}):i(t,n.includeContainer,v.bind(null,n)),g(o)},$=function e(t,n){var o;return(n=n||{}).getShadowRoot?u([t],n.includeContainer,{filter:y.bind(null,n),flatten:!0,getShadowRoot:n.getShadowRoot}):i(t,n.includeContainer,y.bind(null,n))},w=function e(t,o){if(o=o||{},!t)throw Error("No node provided");return!1!==r.call(t,n)&&v(o,t)},E=t.concat("iframe").join(","),R=function e(t,n){if(n=n||{},!t)throw Error("No node provided");return!1!==r.call(t,E)&&y(n,t)};e.focusable=$,e.isFocusable=R,e.isTabbable=w,e.tabbable=S,Object.defineProperty(e,"__esModule",{value:!0})}); |