2 lines
8.4 KiB
JavaScript
2 lines
8.4 KiB
JavaScript
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"use strict";var e=require("@csstools/cascade-layer-name-parser"),r=require("@csstools/css-tokenizer"),t=require("@csstools/media-query-list-parser");const n=e.parse("csstools-implicit-layer")[0];function collectCascadeLayerOrder(r){const t=new Map,o=new Map,a=[];r.walkAtRules((r=>{var s;if("layer"!==r.name.toLowerCase())return;{let e=r.parent;for(;e;){if("atrule"!==e.type||"layer"!==e.name.toLowerCase()){if(e===r.root())break;return}e=e.parent}}let i;if(r.nodes)i=normalizeLayerName(r.params,1);else{if(!r.params.trim())return;i=r.params}let l=e.parse(i);if(null!=(s=l)&&s.length){{let e=r.parent;for(;e&&"atrule"===e.type&&"layer"===e.name.toLowerCase();){const r=o.get(e);r?(l=l.map((e=>r.concat(e))),e=e.parent):e=e.parent}}if(e.addLayerToModel(a,l),r.nodes){const e=l[0].concat(n);t.set(r,e),o.set(r,l[0])}}}));for(const r of t.values())e.addLayerToModel(a,[r]);const s=new WeakMap;for(const[e,r]of t)s.set(e,a.findIndex((e=>r.equal(e))));return s}function normalizeLayerName(e,r){return e.trim()?e:"csstools-anon-layer--"+r++}const o=new Set(["scope","container","layer"]);function isProcessableCustomMediaRule(e){if("custom-media"!==e.name.toLowerCase())return!1;if(!e.params||!e.params.includes("--"))return!1;if(e.nodes&&e.nodes.length>0)return!1;let r=e.parent;for(;r;){if("atrule"===r.type&&!o.has(r.name.toLowerCase()))return!1;r=r.parent}return!0}function removeCyclicReferences(e,r){const t=new Set;let n=r;for(;e.size>0;)try{toposort(Array.from(e.keys()),n);break}catch(r){if(!r._graphNode)throw r;e.delete(r._graphNode),t.add(r._graphNode),n=n.filter((e=>-1===e.indexOf(r._graphNode)))}return t}function toposort(e,r){let t=e.length;const n=new Array(t),o={};let a=t;const s=makeOutgoingEdges(r),i=makeNodesHash(e);for(;a--;)o[a]||visit(e[a],a,new Set);return n;function visit(e,r,a){if(a.has(e)){const r=new Error("Cyclic dependency"+JSON.stringify(e));throw r._graphNode=e,r}if(!i.has(e))return;if(o[r])return;o[r]=!0;let l=s.get(e)||new Set;if(l=Array.from(l),r=l.length){a.add(e);do{const e=l[--r];visit(e,i.get(e),a)}while(r);a.delete(e)}n[--t]=e}}function makeOutgoingEdges(e){const r=new Map;for(let t=0,n=e.length;t<n;t++){const n=e[t];r.has(n[0])||r.set(n[0],new Set),r.has(n[1])||r.set(n[1],new Set),r.get(n[0]).add(n[1])}return r}function makeNodesHash(e){const r=new Map;for(let t=0,n=e.length;t<n;t++)r.set(e[t],t);return r}function atMediaParamsTokens(e){const t=r.tokenizer({css:e},{onParseError:()=>{throw new Error(`Unable to parse media query "${e}"`)}}),n=[];for(;!t.endOfFile();)n.push(t.nextToken());return n}const a=[[r.TokenType.Ident,"max-color",0,0,{value:"max-color"}],[r.TokenType.Colon,":",0,0,void 0],[r.TokenType.Number,"2147477350",0,0,{value:2147477350,type:r.NumberType.Integer}]],s=[[r.TokenType.Ident,"color",0,0,{value:"color"}],[r.TokenType.Colon,":",0,0,void 0],[r.TokenType.Number,"2147477350",0,0,{value:2147477350,type:r.NumberType.Integer}]];function replaceTrueAndFalseTokens(e){let t,n=[];for(let o=0;o<e.length;o++)if(e[o][0]!==r.TokenType.Comment&&e[o][0]!==r.TokenType.Whitespace){if(e[o][0]===r.TokenType.Ident){const r=e[o];if("true"===r[4].value.toLowerCase()){t="true",n=e.slice(o+1);break}if("false"===r[4].value.toLowerCase()){t="false",n=e.slice(o+1);break}}return e}if(!t)return e;for(let t=0;t<n.length;t++)if(n[t][0]!==r.TokenType.Comment&&n[t][0]!==r.TokenType.Whitespace)return e;return"true"===t?[[r.TokenType.Whitespace," ",0,0,void 0],[r.TokenType.OpenParen,"(",0,0,void 0],...a,[r.TokenType.CloseParen,")",0,0,void 0]]:[[r.TokenType.Whitespace," ",0,0,void 0],[r.TokenType.OpenParen,"(",0,0,void 0],...s,[r.TokenType.CloseParen,")",0,0,void 0]]}function parseCustomMedia(e){const n=atMediaParamsTokens(e),o=new Set;let a="",s=n;for(let e=0;e<n.length;e++)if(n[e][0]!==r.TokenType.Comment&&n[e][0]!==r.TokenType.Whitespace){if(n[e][0]===r.TokenType.Ident){const r=n[e];if(r[4].value.startsWith("--")){a=r[4].value,s=n.slice(e+1);break}}return!1}for(let e=0;e<s.length;e++)if(s[e][0]===r.TokenType.Ident){const r=s[e];r[4].value.startsWith("--")&&o.add(r[4].value)}s=replaceTrueAndFalseTokens(s);const i=t.parseFro
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