2 lines
10 KiB
JavaScript
2 lines
10 KiB
JavaScript
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import e from"postcss-selector-parser";import{selectorSpecificity as r}from"@csstools/selector-specificity";const t="csstools-invalid-layer",a="csstools-layer-with-selector-rules",s="6efdb677-bb05-44e5-840f-29d2175862fd",n="b147acf6-11a6-4338-a4d0-80aef4cd1a2f",o=["media","supports"],l=["keyframes"],i=/^revert-layer$/i,u=/^import$/i,c=/^layer$/i,m=/layer/i,y=new Set(["layer","supports","media","container","scope"]);function isProcessableLayerRule(e){if("atrule"!==e.type)return!1;if(!c.test(e.name))return!1;let r=e.parent;for(;r;){if("rule"===r.type)return!1;if("atrule"===r.type&&!y.has(r.name.toLowerCase()))return!1;r=r.parent}return!0}class Model{anonymousLayerCount=0;layerCount=0;layerOrder;layerParamsParsed;layerNameParts;constructor(){this.anonymousLayerCount=0,this.layerCount=0,this.layerOrder=new Map,this.layerParamsParsed=new Map,this.layerNameParts=new Map}createAnonymousLayerName(){const e=`anonymous-${this.anonymousLayerCount}-${s}`;return this.addLayerNameParts(e),this.layerParamsParsed.set(e,[e]),this.anonymousLayerCount++,e}createImplicitLayerName(e){const r=this.layerNameParts.get(e)??[],t=`implicit-${r[r.length-1]}-${n}`;return this.addLayerNameParts([...r,t]),this.layerParamsParsed.set(t,[t]),t}addLayerParams(e,r){r?"string"!=typeof r?this.layerParamsParsed.set(e,r):this.layerParamsParsed.set(e,[r]):this.layerParamsParsed.set(e,[e])}addLayerNameParts(e){"string"!=typeof e?this.layerNameParts.set(e.join("."),e):this.layerNameParts.set(e,[e])}getLayerParams(e){const r=[...this.layerParamsParsed.get(e.params)??[]];let t=e.parent;for(;t;)"atrule"===t.type?(isProcessableLayerRule(t)&&r.push(...this.layerParamsParsed.get(t.params)??[]),t=t.parent):t=t.parent;return r.reverse(),r.flatMap((e=>this.layerNameParts.get(e)??[]))}getLayerNameList(e){const r=this.layerNameParts.get(e)??[],t=[];for(let e=0;e<r.length;e++){const a=r.slice(0,e+1).join(".");this.layerParamsParsed.has(a)||this.layerParamsParsed.set(a,[a]),this.layerNameParts.has(a)||this.layerNameParts.set(a,r.slice(0,e+1)),t.push(r.slice(0,e+1).join("."))}return t}sortLayerNames(){for(const[e,r]of this.layerOrder){const t=this.layerNameParts.get(e)??[];for(let e=1;e<t.length;e++){const a=t.slice(0,e).join(".");this.layerOrder.has(a)||this.layerOrder.set(a,r)}}let e=Array.from(this.layerOrder.entries());e=e.sort(((e,r)=>{const t=this.layerNameParts.get(e[0])??[],a=this.layerNameParts.get(r[0])??[];if(t[0]!==a[0])return(this.layerOrder.get(t[0])??0)-(this.layerOrder.get(a[0])??0);const s=Math.max(t.length,a.length);for(let e=0;e<s;e++){const r=t[e],s=a[e];if(r!==s)return r?s?(this.layerOrder.get(t.slice(0,e).join("."))??0)-(this.layerOrder.get(a.slice(0,e).join("."))??0):-1:1}return 0})),this.layerOrder.clear(),e.forEach(((e,r)=>{this.layerOrder.set(e[0],r)}))}}function adjustSelectorSpecificity(r,t){const a=e().astSync(r),s=e().astSync(generateNot(t));let n=!1;for(let r=0;r<a.nodes[0].nodes.length;r++)if("combinator"===a.nodes[0].nodes[r].type||e.isPseudoElement(a.nodes[0].nodes[r])){a.nodes[0].insertBefore(a.nodes[0].nodes[r],s),n=!0;break}return n||a.nodes[0].insertAfter(a.nodes[0].nodes[a.nodes[0].nodes.length-1],s),a.toString()}function generateNot(e){if(0===e)return"";let r="";for(let t=0;t<e;t++)r+=":not(#\\#)";return r}function someInTree(e,r){let t=!1;return e.walk((e=>{if(r(e))return t=!0,!1})),t}function someAtRuleInTree(e,r){let t=!1;return e.walkAtRules((e=>{if(r(e))return t=!0,!1})),t}function getLayerAtRuleAncestor(e){let r=e.parent;for(;r;)if("atrule"===r.type){if(isProcessableLayerRule(r))return r;r=r.parent}else r=r.parent;return null}function removeEmptyDescendantBlocks(e){var r;e&&(e.walk((e=>{var r;("rule"===e.type||"atrule"===e.type&&["layer",...o].includes(e.name.toLowerCase()))&&(0===(null==(r=e.nodes)?void 0:r.length)&&e.remove())})),0===(null==(r=e.nodes)?void 0:r.length)&&e.remove())}function removeEmptyAncestorBlocks(e){if(!e)return;let r=e;for(;r;){if(void 0===r.nodes)return;if(r.nodes.length>0)return;const e=r.parent;r.remove(),r=e}}function desugarAndParseLayerNames(r,a){r.walkAtRules((r=>{if(!isProcessableLayerRule(r))return;
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