"use strict";var e=require("postcss-selector-parser"),s=require("@csstools/selector-specificity");function alwaysValidSelector(s){const o=e().astSync(s);let t=!0;return o.walk((e=>{if("class"!==e.type&&"comment"!==e.type&&"id"!==e.type&&"root"!==e.type&&"selector"!==e.type&&"string"!==e.type&&"tag"!==e.type&&"universal"!==e.type&&("attribute"!==e.type||e.insensitive)&&("combinator"!==e.type||"+"!==e.value&&">"!==e.value&&"~"!==e.value&&" "!==e.value)&&("pseudo"!==e.type||e.nodes?.length||":hover"!==e.value.toLowerCase()&&":focus"!==e.value.toLowerCase())){if("pseudo"===e.type&&1===e.nodes?.length&&":not"===e.value.toLowerCase()){let s=!0;if(e.nodes[0].walkCombinators((()=>{s=!1})),s)return}return t=!1,!1}})),t}function sortCompoundSelectorsInsideComplexSelector(s){if(!s||!s.nodes||1===s.nodes.length)return;const o=[];let t=[];for(let n=0;n<s.nodes.length;n++)"combinator"!==s.nodes[n].type?e.isPseudoElement(s.nodes[n])?(o.push(t),t=[s.nodes[n]]):t.push(s.nodes[n]):(o.push(t),o.push([s.nodes[n]]),t=[]);o.push(t);const n=[];for(let e=0;e<o.length;e++){const s=o[e];s.sort(((e,s)=>"selector"===e.type&&"selector"===s.type&&e.nodes.length&&s.nodes.length?selectorTypeOrder(e.nodes[0],e.nodes[0].type)-selectorTypeOrder(s.nodes[0],s.nodes[0].type):"selector"===e.type&&e.nodes.length?selectorTypeOrder(e.nodes[0],e.nodes[0].type)-selectorTypeOrder(s,s.type):"selector"===s.type&&s.nodes.length?selectorTypeOrder(e,e.type)-selectorTypeOrder(s.nodes[0],s.nodes[0].type):selectorTypeOrder(e,e.type)-selectorTypeOrder(s,s.type)));const t=new Set(s.map((e=>e.type))),r=t.has("universal")&&(t.has("tag")||t.has("attribute")||t.has("class")||t.has("id")||t.has("pseudo"));for(let e=0;e<s.length;e++)"universal"===s[e].type&&r?s[e].remove():n.push(s[e])}s.removeAll();for(let o=n.length-1;o>=0;o--){const t=n[o-1];if(n[o].remove(),t&&"tag"===t.type&&"tag"===n[o].type){const t=e.pseudo({value:":is",nodes:[e.selector({value:"",nodes:[n[o]]})]});t.parent=s,s.nodes.unshift(t)}else n[o].parent=s,s.nodes.unshift(n[o])}}function selectorTypeOrder(s,t){return e.isPseudoElement(s)?o.pseudoElement:o[t]}const o={universal:0,tag:1,pseudoElement:2,id:3,class:4,attribute:5,pseudo:6,selector:7,string:8,root:9,comment:10};function childAdjacentChild(e){return!(!e||!e.nodes)&&("selector"===e.type&&(3===e.nodes.length&&(!(!e.nodes[0]||"pseudo"!==e.nodes[0].type||":-csstools-matches"!==e.nodes[0].value)&&(!(!e.nodes[1]||"combinator"!==e.nodes[1].type||"+"!==e.nodes[1].value&&"~"!==e.nodes[1].value)&&(!(!e.nodes[2]||"pseudo"!==e.nodes[2].type||":-csstools-matches"!==e.nodes[2].value)&&(!(!e.nodes[0].nodes||1!==e.nodes[0].nodes.length)&&("selector"===e.nodes[0].nodes[0].type&&(!(!e.nodes[0].nodes[0].nodes||3!==e.nodes[0].nodes[0].nodes.length)&&(!(!e.nodes[0].nodes[0].nodes||"combinator"!==e.nodes[0].nodes[0].nodes[1].type||">"!==e.nodes[0].nodes[0].nodes[1].value)&&(!(!e.nodes[2].nodes||1!==e.nodes[2].nodes.length)&&("selector"===e.nodes[2].nodes[0].type&&(!(!e.nodes[2].nodes[0].nodes||3!==e.nodes[2].nodes[0].nodes.length)&&(!(!e.nodes[2].nodes[0].nodes||"combinator"!==e.nodes[2].nodes[0].nodes[1].type||">"!==e.nodes[2].nodes[0].nodes[1].value)&&(e.nodes[0].nodes[0].insertAfter(e.nodes[0].nodes[0].nodes[0],e.nodes[2].nodes[0].nodes[0].clone()),e.nodes[2].nodes[0].nodes[1].remove(),e.nodes[2].nodes[0].nodes[0].remove(),e.nodes[0].replaceWith(e.nodes[0].nodes[0]),e.nodes[2].replaceWith(e.nodes[2].nodes[0]),!0))))))))))))))}function isInCompoundWithOneOtherElement(s){if(!s||!s.nodes)return!1;if(!e.isSelector(s))return!1;if(2!==s.nodes.length)return!1;let o=-1,t=-1;s.nodes[0]&&e.isPseudoClass(s.nodes[0])&&":-csstools-matches"===s.nodes[0].value?(o=0,t=1):s.nodes[1]&&e.isPseudoClass(s.nodes[1])&&":-csstools-matches"===s.nodes[1].value&&(o=1,t=0);const n=s.nodes[o];if(!n||!e.isPseudoClass(n)||1!==n.nodes.length)return!1;const r=s.nodes[t];return!!r&&(!e.isCombinator(r)&&(n.nodes[0].append(r.clone()),n.replaceWith(...n.nodes[0].nodes),r.remove(),!0))}function isPseudoInFirstCompound(s){if(!s||!s.nodes)return!1;if(!e.isSelector(s))return!1;let o=-1;for(let t=0;t<s.nodes.length;t++){const n=s.nodes[t];if(e.isCombinator(n))return!1;if(e.isPseudoClass(n)&&":-csstools-matches"===n.value){if(!n.nodes||1!==n.nodes.length)return!1;o=t;break}}const t=s.nodes[o];if(!t||!e.isPseudoClass(t))return!1;const n=s.nodes.slice(0,o),r=s.nodes.slice(o+1);return n.forEach((e=>{t.nodes[0].append(e.clone())})),r.forEach((e=>{t.nodes[0].append(e.clone())})),t.replaceWith(...t.nodes),n.forEach((e=>{e.remove()})),r.forEach((e=>{e.remove()})),!0}function complexSelectors(s,o,t,n){return s.flatMap((s=>{if(-1===s.indexOf(":-csstools-matches")&&-1===s.toLowerCase().indexOf(":is"))return s;const r=e().astSync(s);return r.walkPseudos((s=>{if(":is"===s.value.toLowerCase()&&s.nodes&&s.nodes.length&&"selector"===s.nodes[0].type&&0===s.nodes[0].nodes.length)return s.value=":not",void s.nodes[0].append(e.universal());if(":-csstools-matches"===s.value)if(!s.nodes||s.nodes.length){if(s.walkPseudos((s=>{if(e.isPseudoElement(s)){let e=s.value;if(e.startsWith("::-csstools-invalid-"))return;for(;e.startsWith(":");)e=e.slice(1);s.value=`::-csstools-invalid-${e}`,n()}})),1===s.nodes.length&&"selector"===s.nodes[0].type){if(1===s.nodes[0].nodes.length)return void s.replaceWith(s.nodes[0].nodes[0]);if(!s.nodes[0].some((e=>"combinator"===e.type)))return void s.replaceWith(...s.nodes[0].nodes)}1!==r.nodes.length||"selector"!==r.nodes[0].type||1!==r.nodes[0].nodes.length||r.nodes[0].nodes[0]!==s?childAdjacentChild(s.parent)||isInCompoundWithOneOtherElement(s.parent)||isPseudoInFirstCompound(s.parent)||("warning"===o.onComplexSelector&&t(),s.value=":is"):s.replaceWith(...s.nodes[0].nodes)}else s.remove()})),r.walk((e=>{"selector"===e.type&&"nodes"in e&&1===e.nodes.length&&"selector"===e.nodes[0].type&&e.replaceWith(e.nodes[0])})),r.walk((e=>{"nodes"in e&&sortCompoundSelectorsInsideComplexSelector(e)})),r.toString()})).filter((e=>!!e))}function splitSelectors(o,t,n=0){const r=":not(#"+t.specificityMatchingName+")",d=":not(."+t.specificityMatchingName+")",l=":not("+t.specificityMatchingName+")";return o.flatMap((o=>{if(-1===o.toLowerCase().indexOf(":is"))return o;let i=!1;const a=[];if(e().astSync(o).walkPseudos((e=>{if(":is"!==e.value.toLowerCase()||!e.nodes||!e.nodes.length)return;if("selector"===e.nodes[0].type&&0===e.nodes[0].nodes.length)return;if("pseudo"===e.parent?.parent?.type&&":not"===e.parent?.parent?.value?.toLowerCase())return void a.push([{start:e.parent.parent.sourceIndex,end:e.parent.parent.sourceIndex+e.parent.parent.toString().length,option:`:not(${e.nodes.toString()})`}]);if("pseudo"===e.parent?.parent?.type&&":has"===e.parent?.parent?.value?.toLowerCase())return void(e.value=":-csstools-matches");let o=e.parent;for(;o;){if(o.value&&":is"===o.value.toLowerCase()&&"pseudo"===o.type)return void(i=!0);o=o.parent}const t=s.selectorSpecificity(e),n=e.sourceIndex,c=n+e.toString().length,p=[];e.nodes.forEach((e=>{const o={start:n,end:c,option:""},i=s.selectorSpecificity(e);let a=e.toString().trim();const u=Math.max(0,t.a-i.a),h=Math.max(0,t.b-i.b),f=Math.max(0,t.c-i.c);for(let e=0;e<u;e++)a+=r;for(let e=0;e<h;e++)a+=d;for(let e=0;e<f;e++)a+=l;o.option=a,p.push(o)})),a.push(p)})),!a.length)return[o];let c=[];return cartesianProduct(...a).forEach((e=>{let s="";for(let t=0;t<e.length;t++){const n=e[t];s+=o.substring(e[t-1]?.end||0,e[t].start),s+=":-csstools-matches("+n.option+")",t===e.length-1&&(s+=o.substring(e[t].end))}c.push(s)})),i&&n<10&&(c=splitSelectors(c,t,n+1)),c})).filter((e=>!!e))}function cartesianProduct(...e){const s=[],o=e.length-1;return function helper(t,n){for(let r=0,d=e[n].length;r<d;r++){const d=t.slice(0);d.push(e[n][r]),n===o?s.push(d):helper(d,n+1)}}([],0),s}const t=/:is\(/i,creator=e=>{const s={specificityMatchingName:"does-not-exist",...e||{}};return{postcssPlugin:"postcss-is-pseudo-class",prepare(){const e=new WeakSet;return{postcssPlugin:"postcss-is-pseudo-class",Rule(o,{result:n}){if(!o.selector)return;if(!t.test(o.selector))return;if(e.has(o))return;let r=!1;const warnOnComplexSelector=()=>{"warning"===s.onComplexSelector&&(r||(r=!0,o.warn(n,`Complex selectors in '${o.selector}' can not be transformed to an equivalent selector without ':is()'.`)))};let d=!1;const warnOnPseudoElements=()=>{"warning"===s.onPseudoElement&&(d||(d=!0,o.warn(n,`Pseudo elements are not allowed in ':is()', unable to transform '${o.selector}'`)))};try{let t=!1;const n=[],r=complexSelectors(splitSelectors(o.selectors,{specificityMatchingName:s.specificityMatchingName}),{onComplexSelector:s.onComplexSelector},warnOnComplexSelector,warnOnPseudoElements);if(Array.from(new Set(r)).forEach((s=>{if(o.selectors.indexOf(s)>-1)n.push(s);else{if(alwaysValidSelector(s))return n.push(s),void(t=!0);e.add(o),o.cloneBefore({selector:s}),t=!0}})),n.length&&t&&(e.add(o),o.cloneBefore({selectors:n})),!s.preserve){if(!t)return;o.remove()}}catch(e){if(!(e instanceof Error))throw e;if(e.message.indexOf("call stack size exceeded")>-1)throw e;o.warn(n,`Failed to parse selector "${o.selector}" with error: ${e.message}`)}}}}}};creator.postcss=!0,module.exports=creator;