@csstools/postcss-rewrite-url/dist/index.cjs

Rewrite url values in CSS

"use strict";var e=require("@csstools/css-tokenizer"),r=require("@csstools/css-parser-algorithms");function serializeString(e){let r="";for(const t of e){const e=t.codePointAt(0);if(void 0!==e)switch(e){case 0:r+=String.fromCodePoint(65533);break;case 127:r+=`\\${e.toString(16)}`;break;case 34:case 39:case 92:r+=`\\${t}`;break;default:if(1<=e&&e<=31){r+=`\\${e.toString(16)} `;break}r+=t}else r+=String.fromCodePoint(65533)}return r}const t=/rewrite-url\(/i,o=/^rewrite-url$/i,creator=e=>{const r=e?.rewriter??(e=>e);return{postcssPlugin:"postcss-rewrite-url",Once(e,{result:t}){e.walkDecls((e=>{rewriteDeclaration(e,t,r)})),e.walkAtRules((e=>{rewriteAtRule(e,t,r)}))},Declaration(e,{result:t}){rewriteDeclaration(e,t,r)},AtRule(e,{result:t}){rewriteAtRule(e,t,r)}}};function rewriteDeclaration(e,r,o){if(!t.test(e.value))return;const s={type:"declaration-value",rootFrom:r.opts.from,from:e.source?.input.from,property:e.prop},i=rewrite(o,e.value,s);i!==e.value&&(e.value=i)}function rewriteAtRule(e,r,o){if(!t.test(e.params))return;const s={type:"at-rule-prelude",rootFrom:r.opts.from,from:e.source?.input.from,atRuleName:e.name},i=rewrite(o,e.params,s);i!==e.params&&(e.params=i)}function rewrite(t,s,i){const n=r.parseCommaSeparatedListOfComponentValues(e.tokenize({css:s})),a=r.replaceComponentValues(n,(s=>{if(!r.isFunctionNode(s)||!o.test(s.getName()))return;const n=s.value.filter((e=>!r.isWhiteSpaceOrCommentNode(e)));for(let o=0;o<n.length;o++){const a=n[o];if(r.isTokenNode(a)&&e.isTokenString(a.value)){const u=a.value[4].value.trim(),l=n.slice(o+1),c=t({url:u,urlModifiers:l.map((e=>e.toString()))},i);if(!1===c)return;const m=r.parseListOfComponentValues(e.tokenize({css:[`"${serializeString(c.url)}"`,...c.urlModifiers??l].join(" ")}));return s.value=m,s.name[1]="url(",s.name[4].value="url",s}return}}));return r.stringify(a)}creator.postcss=!0,module.exports=creator;