@duetds/components/lib/duet/p-affe7c09.js

This package includes Duet Core Components and related tools.

/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 *
 * This file is a port of shadowCSS from webcomponents.js to TypeScript.
 * https://github.com/webcomponents/webcomponentsjs/blob/4efecd7e0e/src/ShadowCSS/ShadowCSS.js
 * https://github.com/angular/angular/blob/master/packages/compiler/src/shadow_css.ts
 */
const s=")(?:\\(((?:\\([^)(]*\\)|[^)(]*)+?)\\))?([^,{]*)",o=new RegExp("(-shadowcsshost"+s,"gim"),t=new RegExp("(-shadowcsscontext"+s,"gim"),n=new RegExp("(-shadowcssslotted"+s,"gim"),e=/-shadowcsshost-no-combinator([^\s]*)/,c=[/::shadow/g,/::content/g],r=/-shadowcsshost/gim,h=/:host/gim,a=/::slotted/gim,d=/:host-context/gim,g=/\/\*\s*[\s\S]*?\*\//g,i=/\/\*\s*#\s*source(Mapping)?URL=[\s\S]+?\*\//g,m=/(\s*)([^;\{\}]+?)(\s*)((?:{%BLOCK%}?\s*;?)|(?:\s*;))/g,l=/([{}])/g,u=(s,o)=>{const t=w(s);let n=0;return t.escapedString.replace(m,(...s)=>{const e=s[2];let c="",r=s[4],h="";r&&r.startsWith("{%BLOCK%")&&(c=t.blocks[n++],r=r.substring("%BLOCK%".length+1),h="{");const a=o({selector:e,content:c});return`${s[1]}${a.selector}${s[3]}${h}${a.content}${r}`})},w=s=>{const o=s.split(l),t=[],n=[];let e=0,c=[];for(let r=0;r<o.length;r++){const s=o[r];"}"===s&&e--,e>0?c.push(s):(c.length>0&&(n.push(c.join("")),t.push("%BLOCK%"),c=[]),t.push(s)),"{"===s&&e++}return c.length>0&&(n.push(c.join("")),t.push("%BLOCK%")),{escapedString:t.join(""),blocks:n}},p=(s,o,t)=>s.replace(o,(...s)=>{if(s[2]){const o=s[2].split(","),n=[];for(let e=0;e<o.length;e++){const c=o[e].trim();if(!c)break;n.push(t("-shadowcsshost-no-combinator",c,s[3]))}return n.join(",")}return"-shadowcsshost-no-combinator"+s[3]}),_=(s,o,t)=>s+o.replace("-shadowcsshost","")+t,$=(s,o,t)=>o.indexOf("-shadowcsshost")>-1?_(s,o,t):s+o+t+", "+o+" "+s+t,b=(s,o,t,n)=>u(s,s=>{let c=s.selector,h=s.content;return"@"!==s.selector[0]?c=((s,o,t,n)=>s.split(",").map(s=>n&&s.indexOf("."+n)>-1?s.trim():((s,o)=>!(s=>(s=s.replace(/\[/g,"\\[").replace(/\]/g,"\\]"),new RegExp("^("+s+")([>\\s~+[.,{:][\\s\\S]*)?$","m")))(o).test(s))(s,o)?((s,o,t)=>{const n="."+(o=o.replace(/\[is=([^\]]*)\]/g,(s,...o)=>o[0])),c=s=>{let c=s.trim();if(!c)return"";if(s.indexOf("-shadowcsshost-no-combinator")>-1)c=((s,o,t)=>{if(r.lastIndex=0,r.test(s)){const o=`.${t}`;return s.replace(e,(s,t)=>t.replace(/([^:]*)(:*)(.*)/,(s,t,n,e)=>t+o+n+e)).replace(r,o+" ")}return o+" "+s})(s,o,t);else{const o=s.replace(r,"");if(o.length>0){const s=o.match(/([^:]*)(:*)(.*)/);s&&(c=s[1]+n+s[2]+s[3])}}return c},h=(s=>{const o=[];let t,n=0;return{content:t=(s=s.replace(/(\[[^\]]*\])/g,(s,t)=>{const e=`__ph-${n}__`;return o.push(t),n++,e})).replace(/(:nth-[-\w]+)(\([^)]+\))/g,(s,t,e)=>{const c=`__ph-${n}__`;return o.push(e),n++,t+c}),placeholders:o}})(s);let a,d="",g=0;const i=/( |>|\+|~(?!=))\s*/g;let m=!((s=h.content).indexOf("-shadowcsshost-no-combinator")>-1);for(;null!==(a=i.exec(s));){const o=a[1],t=s.slice(g,a.index).trim();d+=`${(m=m||t.indexOf("-shadowcsshost-no-combinator")>-1)?c(t):t} ${o} `,g=i.lastIndex}const l=s.substring(g);return d+=(m=m||l.indexOf("-shadowcsshost-no-combinator")>-1)?c(l):l,((s,o)=>o.replace(/__ph-(\d+)__/g,(o,t)=>s[+t]))(h.placeholders,d)})(s,o,t).trim():s.trim()).join(", "))(s.selector,o,t,n):(s.selector.startsWith("@media")||s.selector.startsWith("@supports")||s.selector.startsWith("@page")||s.selector.startsWith("@document"))&&(h=b(s.content,o,t,n)),{selector:c.replace(/\s{2,}/g," ").trim(),content:h}}),f=(s,e,r)=>{const m=e+"-h",l=e+"-s",w=(s=>s.match(i)||[])(s);s=(s=>s.replace(g,""))(s);const f=[];if(r){const o=s=>{const o=`/*!@___${f.length}___*/`;return f.push({placeholder:o,comment:`/*!@${s.selector}*/`}),s.selector=o+s.selector,s};s=u(s,s=>"@"!==s.selector[0]?o(s):s.selector.startsWith("@media")||s.selector.startsWith("@supports")||s.selector.startsWith("@page")||s.selector.startsWith("@document")?(s.content=u(s.content,o),s):s)}const x=((s,e,r,g)=>(s=(s=>c.reduce((s,o)=>s.replace(o," "),s))(s=((s,o)=>s.replace(n,(...s)=>{if(s[2]){const t=s[2].trim();return"."+o+" > "+t+s[3]}return"-shadowcsshost-no-combinator"+s[3]}))(s=(s=>p(s,t,$))(s=(s=>p(s,o,_))(s=(s=>s=s.replace(d,"-shadowcsscontext").replace(h,"-shadowcsshost").replace(a,"-shadowcssslotted"))(s))),g)),e&&(s=b(s,e,r,g)),(s=(s=s.replace(/-shadowcsshost-no-combinator/g,`.${r}`)).replace(/>\s*\*\s+([^{, ]+)/gm," $1 ")).trim()))(s,e,m,l);return s=[x,...w].join("\n"),r&&f.forEach(({placeholder:o,comment:t})=>{s=s.replace(o,t)}),s};export{f as scopeCss};