query-selector-shadow-dom/dist/querySelectorShadowDom.js

use querySelector syntax to search for nodes inside of (nested) shadow roots

var querySelectorShadowDom=function(e){"use strict";function t(e,t,u,s){void 0===s&&(s=null),e=function(e){function t(){r&&(u.length>0&&/^[~+>]$/.test(u[u.length-1])&&u.push(" "),u.push(r))}var n,r,l,o,u=[],s=[0],a=0,h=/(?:[^\\]|(?:^|[^\\])(?:\\\\)+)$/,i=/^\s+$/,c=[/\s+|\/\*|["'>~+[(]/g,/\s+|\/\*|["'[\]()]/g,/\s+|\/\*|["'[\]()]/g,null,/\*\//g];for(e=e.trim();;){if(r="",(l=c[s[s.length-1]]).lastIndex=a,!(n=l.exec(e))){r=e.substr(a),t();break}if((o=a)<(a=l.lastIndex)-n[0].length&&(r=e.substring(o,a-n[0].length)),s[s.length-1]<3){if(t(),"["===n[0])s.push(1);else if("("===n[0])s.push(2);else if(/^["']$/.test(n[0]))s.push(3),c[3]=new RegExp(n[0],"g");else if("/*"===n[0])s.push(4);else if(/^[\])]$/.test(n[0])&&s.length>0)s.pop();else if(/^(?:\s+|[~+>])$/.test(n[0])&&(u.length>0&&!i.test(u[u.length-1])&&0===s[s.length-1]&&u.push(" "),1===s[s.length-1]&&5===u.length&&"="===u[2].charAt(u[2].length-1)&&(u[4]=" "+u[4]),i.test(n[0])))continue;u.push(n[0])}else u[u.length-1]+=r,h.test(u[u.length-1])&&(4===s[s.length-1]&&(u.length<2||i.test(u[u.length-2])?u.pop():u[u.length-1]=" ",n[0]=""),s.pop()),u[u.length-1]+=n[0]}return u.join("").trim()}(e);var a=u.querySelector(e);return document.head.createShadowRoot||document.head.attachShadow?!t&&a?a:n(e,",").reduce((function(e,a){if(!t&&e)return e;var h=n(a.replace(/^\s+/g,"").replace(/\s*([>+~]+)\s*/g,"$1")," ").filter((function(e){return!!e})).map((function(e){return n(e,">")})),i=h.length-1,c=o(h[i][h[i].length-1],u,s),f=function(e,t,n){return function(o){for(var u=t,s=o,a=!1;s&&!r(s);){var h=!0;if(1===e[u].length)h=s.matches(e[u]);else{var i=s,c=[].concat(e[u]).reverse(),f=Array.isArray(c),g=0;for(c=f?c:c[Symbol.iterator]();;){var d;if(f){if(g>=c.length)break;d=c[g++]}else{if((g=c.next()).done)break;d=g.value}var p=d;if(!i||!i.matches(p)){h=!1;break}i=l(i,n)}}if(h&&0===u){a=!0;break}h&&u--,s=l(s,n)}return a}}(h,i,u);return t?e=e.concat(c.filter(f)):(e=c.find(f))||null}),t?[]:null):t?u.querySelectorAll(e):a}function n(e,t){return e.match(/\\?.|^$/g).reduce((function(e,n){return'"'!==n||e.sQuote?"'"!==n||e.quote?e.quote||e.sQuote||n!==t?e.a[e.a.length-1]+=n:e.a.push(""):(e.sQuote^=1,e.a[e.a.length-1]+=n):(e.quote^=1,e.a[e.a.length-1]+=n),e}),{a:[""]}).a}function r(e){return e.nodeType===Node.DOCUMENT_FRAGMENT_NODE||e.nodeType===Node.DOCUMENT_NODE}function l(e,t){var n=e.parentNode;return n&&n.host&&11===n.nodeType?n.host:n===t?null:n}function o(e,t,n){void 0===e&&(e=null),void 0===n&&(n=null);var r=[];if(n)r=n;else{var l=function e(t){for(var n=0;n<t.length;n++){var l=t[n];r.push(l),l.shadowRoot&&e(l.shadowRoot.querySelectorAll("*"))}};t.shadowRoot&&l(t.shadowRoot.querySelectorAll("*")),l(t.querySelectorAll("*"))}return e?r.filter((function(t){return t.matches(e)})):r}return e.collectAllElementsDeep=o,e.querySelectorAllDeep=function(e,n,r){return void 0===n&&(n=document),void 0===r&&(r=null),t(e,!0,n,r)},e.querySelectorDeep=function(e,n,r){return void 0===n&&(n=document),void 0===r&&(r=null),t(e,!1,n,r)},Object.defineProperty(e,"__esModule",{value:!0}),e}({});