mancha/dist/safe_browser.js

Javscript HTML rendering engine

const t={};function e(t){0}class i{constructor(t,e){this.privateDoNotAccessOrElseWrappedAttributePrefix=e}toString(){return this.privateDoNotAccessOrElseWrappedAttributePrefix}}const s=i;function r(t){if(function(t){return t instanceof i}(t))return t.privateDoNotAccessOrElseWrappedAttributePrefix;throw new Error("")}function n(t){return Object.isFrozen(t)&&Object.isFrozen(t.raw)}function a(t){return-1===t.toString().indexOf("`")}a((t=>t``))||a((t=>t`\0`))||a((t=>t`\n`))||a((t=>t`\u0000`)),n``&&n`\0`&&n`\n`&&n`\u0000`;function o(e){const i=e[0].toLowerCase();return new s(t,i)}let l,c="google#safe";function h(){var t;return""!==c&&null!==(t=function(){if("undefined"!=typeof window)return window.trustedTypes}())&&void 0!==t?t:null}class u{constructor(t,i){e(),this.privateDoNotAccessOrElseWrappedHtml=t}toString(){return this.privateDoNotAccessOrElseWrappedHtml.toString()}}function d(e,i){return null!=i?i:new u(e,t)}"undefined"!=typeof window&&window.TrustedHTML;function p(t){var e;const i=t;return d(i,null===(e=function(){var t,e;if(void 0===l)try{l=null!==(e=null===(t=h())||void 0===t?void 0:t.createPolicy(c,{createHTML:t=>t,createScript:t=>t,createScriptURL:t=>t}))&&void 0!==e?e:null}catch(t){l=null}return l}())||void 0===e?void 0:e.createHTML(i))}function f(t){var e;if(null===(e=h())||void 0===e?void 0:e.isHTML(t))return t;if(t instanceof u)return t.privateDoNotAccessOrElseWrappedHtml;throw new Error("")}"undefined"!=typeof window&&window.TrustedScriptURL;"undefined"!=typeof window&&window.TrustedScript;function _(t,e){e.appendChild(t);let i=(new XMLSerializer).serializeToString(e);return i=i.slice(i.indexOf(">")+1,i.lastIndexOf("</")),p(i)}const m=["data:","http:","https:","mailto:","ftp:"],E=/^\s*(?!javascript:)(?:[\w+.-]+:|[^:/?#]*(?:[/?#]|$))/i;function w(t){if(!function(t){const e=!E.test(t);return e}(t))return t}function v(t){return w(t)}function b(t){const e=function(t){let e;try{e=new URL(t)}catch(t){return"https:"}return e.protocol}(t);return void 0!==e&&-1!==m.indexOf(e.toLowerCase())?t:"about:invalid#zClosurez"}function g(t,e){const i=e.createRange();i.selectNode(e.body);return function(t,e){return t.createContextualFragment(f(e))}(i,p(t))}function A(t){const e=t.nodeName;return"string"==typeof e?e:"FORM"}function y(t){return 3===t.nodeType}function T(t){const e=t.nodeType;return 1===e||"number"!=typeof e}var R,O;function N(t){try{return new URL(t,window.document.baseURI)}catch(t){return new URL("about:invalid")}}function I(t){return{valueOf:t}.valueOf()}!function(t){t[t.STYLE_TAG=0]="STYLE_TAG",t[t.STYLE_ATTRIBUTE=1]="STYLE_ATTRIBUTE",t[t.HTML_ATTRIBUTE=2]="HTML_ATTRIBUTE"}(R||(R={}));class P{constructor(t,e,i,s,r){this.allowedElements=t,this.elementPolicies=e,this.allowedGlobalAttributes=i,this.globalAttributePolicies=s,this.globallyAllowedAttributePrefixes=r}isAllowedElement(t){return"FORM"!==t&&(this.allowedElements.has(t)||this.elementPolicies.has(t))}getAttributePolicy(t,e){const i=this.elementPolicies.get(e);if(null==i?void 0:i.has(t))return i.get(t);if(this.allowedGlobalAttributes.has(t))return{policyAction:O.KEEP};const s=this.globalAttributePolicies.get(t);return s||(this.globallyAllowedAttributePrefixes&&[...this.globallyAllowedAttributePrefixes].some((e=>0===t.indexOf(e)))?{policyAction:O.KEEP}:{policyAction:O.DROP})}}!function(t){t[t.DROP=0]="DROP",t[t.KEEP=1]="KEEP",t[t.KEEP_AND_SANITIZE_URL=2]="KEEP_AND_SANITIZE_URL",t[t.KEEP_AND_NORMALIZE=3]="KEEP_AND_NORMALIZE",t[t.KEEP_AND_SANITIZE_STYLE=4]="KEEP_AND_SANITIZE_STYLE",t[t.KEEP_AND_USE_RESOURCE_URL_POLICY=5]="KEEP_AND_USE_RESOURCE_URL_POLICY",t[t.KEEP_AND_USE_RESOURCE_URL_POLICY_FOR_SRCSET=6]="KEEP_AND_USE_RESOURCE_URL_POLICY_FOR_SRCSET"}(O||(O={}));const S=new Set(["ANNOTATION-XML","COLOR-PROFILE","FONT-FACE","FONT-FACE-SRC","FONT-FACE-URI","FONT-FACE-FORMAT","FONT-FACE-NAME","MISSING-GLYPH"]);const x=["ARTICLE","SECTION","NAV","ASIDE","H1","H2","H3","H4","H5","H6","HEADER","FOOTER","ADDRESS","P","HR","PRE","BLOCKQUOTE","OL","UL","LH","LI","DL","DT","DD","FIGURE","FIGCAPTION","MAIN","DIV","EM","STRONG","SMALL","S","CITE","Q","DFN","ABBR","RUBY","RB","RT","RTC","RP","DATA","TIME","CODE","VAR","SAMP","KBD","SUB","SUP","I","B","U","MARK","BDI","BDO","SPAN","BR","WBR","INS","DEL","PICTURE","PARAM","TRACK","MAP","TABLE","CAPTION","COLGROUP","COL","TBODY","THEAD","TFOOT","TR","TD","TH","SELECT","DATALIST","OPTGROUP","OPTION","OUTPUT","PROGRESS","METER","FIELDSET","LEGEND","DETAILS","SUMMARY","MENU","DIALOG","SLOT","CANVAS","FONT","CENTER","ACRONYM","BASEFONT","BIG","DIR","HGROUP","STRIKE","TT"],C=[["A",new Map([["href",{policyAction:O.KEEP_AND_SANITIZE_URL}]])],["AREA",new Map([["href",{policyAction:O.KEEP_AND_SANITIZE_URL}]])],["LINK",new Map([["href",{policyAction:O.KEEP_AND_USE_RESOURCE_URL_POLICY,conditions:new Map([["rel",new Set(["alternate","author","bookmark","canonical","cite","help","icon","license","next","prefetch","dns-prefetch","prerender","preconnect","preload","prev","search","subresource"])]])}]])],["SOURCE",new Map([["src",{policyAction:O.KEEP_AND_USE_RESOURCE_URL_POLICY}],["srcset",{policyAction:O.KEEP_AND_USE_RESOURCE_URL_POLICY_FOR_SRCSET}]])],["IMG",new Map([["src",{policyAction:O.KEEP_AND_USE_RESOURCE_URL_POLICY}],["srcset",{policyAction:O.KEEP_AND_USE_RESOURCE_URL_POLICY_FOR_SRCSET}]])],["VIDEO",new Map([["src",{policyAction:O.KEEP_AND_USE_RESOURCE_URL_POLICY}]])],["AUDIO",new Map([["src",{policyAction:O.KEEP_AND_USE_RESOURCE_URL_POLICY}]])]],L=["title","aria-atomic","aria-autocomplete","aria-busy","aria-checked","aria-current","aria-disabled","aria-dropeffect","aria-expanded","aria-haspopup","aria-hidden","aria-invalid","aria-label","aria-level","aria-live","aria-multiline","aria-multiselectable","aria-orientation","aria-posinset","aria-pressed","aria-readonly","aria-relevant","aria-required","aria-selected","aria-setsize","aria-sort","aria-valuemax","aria-valuemin","aria-valuenow","aria-valuetext","alt","align","autocapitalize","autocomplete","autocorrect","autofocus","autoplay","bgcolor","border","cellpadding","cellspacing","checked","color","cols","colspan","controls","datetime","disabled","download","draggable","enctype","face","formenctype","frameborder","height","hreflang","hidden","ismap","label","lang","loop","max","maxlength","media","minlength","min","multiple","muted","nonce","open","placeholder","preload","rel","required","reversed","role","rows","rowspan","selected","shape","size","sizes","slot","span","spellcheck","start","step","summary","translate","type","valign","value","width","wrap","itemscope","itemtype","itemid","itemprop","itemref"],k=[["dir",{policyAction:O.KEEP_AND_NORMALIZE,conditions:I((()=>new Map([["dir",new Set(["auto","ltr","rtl"])]])))}],["async",{policyAction:O.KEEP_AND_NORMALIZE,conditions:I((()=>new Map([["async",new Set(["async"])]])))}],["cite",{policyAction:O.KEEP_AND_SANITIZE_URL}],["loading",{policyAction:O.KEEP_AND_NORMALIZE,conditions:I((()=>new Map([["loading",new Set(["eager","lazy"])]])))}],["poster",{policyAction:O.KEEP_AND_SANITIZE_URL}],["target",{policyAction:O.KEEP_AND_NORMALIZE,conditions:I((()=>new Map([["target",new Set(["_self","_blank"])]])))}]],D=new P(new Set(x),new Map(C),new Set(L),new Map(k));new P(new Set(I((()=>x.concat(["STYLE"])))),new Map(C),new Set(I((()=>L.concat(["id","name","class"])))),new Map(I((()=>k.concat([["style",{policyAction:O.KEEP_AND_SANITIZE_STYLE}]])))));class U{constructor(t,i,s,r,n){this.sanitizerTable=t,this.styleElementSanitizer=s,this.styleAttributeSanitizer=r,this.resourceUrlPolicy=n,this.changes=[],e()}sanitizeAssertUnchanged(t){return this.sanitize(t)}sanitize(t){const e=document.implementation.createHTMLDocument("");return _(this.sanitizeToFragmentInternal(t,e),e.body)}sanitizeToFragment(t){const e=document.implementation.createHTMLDocument("");return this.sanitizeToFragmentInternal(t,e)}sanitizeToFragmentInternal(t,e){const i=g(t,e),s=document.createTreeWalker(i,5,(t=>this.nodeFilter(t)));let r=s.nextNode();const n=e.createDocumentFragment();let a=n;for(;null!==r;){let t;if(y(r))if(this.styleElementSanitizer&&"STYLE"===a.nodeName){const e=this.styleElementSanitizer(r.data);t=this.createTextNode(e)}else t=this.sanitizeTextNode(r);else{if(!T(r)){throw new Error("")}t=this.sanitizeElementNode(r,e)}if(a.appendChild(t),r=s.firstChild(),r)a=t;else for(;!(r=s.nextSibling())&&(r=s.parentNode());)a=a.parentNode}return n}createTextNode(t){return document.createTextNode(t)}sanitizeTextNode(t){return this.createTextNode(t.data)}sanitizeElementNode(t,e){const i=A(t),s=e.createElement(i),r=t.attributes;for(const{name:t,value:e}of r){const n=this.sanitizerTable.getAttributePolicy(t,i);if(this.satisfiesAllConditions(n.conditions,r))switch(n.policyAction){case O.KEEP:z(s,t,e);break;case O.KEEP_AND_SANITIZE_URL:const r=b(e);r!==e&&this.recordChange(`Url in attribute ${t} was modified during sanitization. Original url:"${e}" was sanitized to: "${r}"`),z(s,t,r);break;case O.KEEP_AND_NORMALIZE:z(s,t,e.toLowerCase());break;case O.KEEP_AND_SANITIZE_STYLE:if(this.styleAttributeSanitizer){z(s,t,this.styleAttributeSanitizer(e))}else z(s,t,e);break;case O.KEEP_AND_USE_RESOURCE_URL_POLICY:if(this.resourceUrlPolicy){const r={type:R.HTML_ATTRIBUTE,attributeName:t,tagName:i},n=N(e),a=this.resourceUrlPolicy(n,r);a&&z(s,t,a.toString())}else z(s,t,e);break;case O.KEEP_AND_USE_RESOURCE_URL_POLICY_FOR_SRCSET:if(this.resourceUrlPolicy){const r={type:R.HTML_ATTRIBUTE,attributeName:t,tagName:i},n=$(e),a={parts:[]};for(const t of n.parts){const e=N(t.url),i=this.resourceUrlPolicy(e,r);i&&a.parts.push({url:i.toString(),descriptor:t.descriptor})}z(s,t,M(a))}else z(s,t,e);break;case O.DROP:this.recordChange(`Attribute: ${t} was dropped`)}else this.recordChange(`Not all conditions satisfied for attribute: ${t}.`)}return s}nodeFilter(t){if(y(t))return 1;if(!T(t))return 2;const e=A(t);return null===e?(this.recordChange(`Node name was null for node: ${t}`),2):this.sanitizerTable.isAllowedElement(e)?1:(this.recordChange(`Element: ${e} was dropped`),2)}recordChange(t){0}satisfiesAllConditions(t,e){var i;if(!t)return!0;for(const[s,r]of t){const t=null===(i=e.getNamedItem(s))||void 0===i?void 0:i.value;if(t&&!r.has(t))return!1}return!0}}function z(t,e,i){t.setAttribute(e,i)}function $(t){const e=[];for(const i of t.split(",")){const[t,s]=i.trim().split(/\s+/,2);e.push({url:t,descriptor:s})}return{parts:e}}function M(t){return t.parts.map((t=>{const{url:e,descriptor:i}=t;return`${e}${i?` ${i}`:""}`})).join(" , ")}class F{constructor(){this.calledBuild=!1,this.sanitizerTable=D}onlyAllowElements(t){const e=new Set,i=new Map;for(let s of t){if(s=s.toUpperCase(),!this.sanitizerTable.isAllowedElement(s))throw new Error(`Element: ${s}, is not allowed by html5_contract.textpb`);const t=this.sanitizerTable.elementPolicies.get(s);void 0!==t?i.set(s,t):e.add(s)}return this.sanitizerTable=new P(e,i,this.sanitizerTable.allowedGlobalAttributes,this.sanitizerTable.globalAttributePolicies),this}allowCustomElement(t,e){const i=new Set(this.sanitizerTable.allowedElements),s=new Map(this.sanitizerTable.elementPolicies);if(t=t.toUpperCase(),r=t,S.has(r.toUpperCase())||!/^[a-z][-_.a-z0-9]*-[-_.a-z0-9]*$/i.test(r))throw new Error(`Element: ${t} is not a custom element`);var r;if(e){const i=new Map;for(const t of e)i.set(t,{policyAction:O.KEEP});s.set(t,i)}else i.add(t);return this.sanitizerTable=new P(i,s,this.sanitizerTable.allowedGlobalAttributes,this.sanitizerTable.globalAttributePolicies),this}onlyAllowAttributes(t){const e=new Set,i=new Map,s=new Map;for(const s of t)this.sanitizerTable.allowedGlobalAttributes.has(s)&&e.add(s),this.sanitizerTable.globalAttributePolicies.has(s)&&i.set(s,this.sanitizerTable.globalAttributePolicies.get(s));for(const[e,i]of this.sanitizerTable.elementPolicies.entries()){const r=new Map;for(const[e,s]of i.entries())t.has(e)&&r.set(e,s);s.set(e,r)}return this.sanitizerTable=new P(this.sanitizerTable.allowedElements,s,e,i),this}allowDataAttributes(t){const e=new Set(this.sanitizerTable.allowedGlobalAttributes);for(const i of t){if(0!==i.indexOf("data-"))throw new Error(`data attribute: ${i} does not begin with the prefix "data-"`);e.add(i)}return this.sanitizerTable=new P(this.sanitizerTable.allowedElements,this.sanitizerTable.elementPolicies,e,this.sanitizerTable.globalAttributePolicies),this}allowStyleAttributes(){const t=new Map(this.sanitizerTable.globalAttributePolicies);return t.set("style",{policyAction:O.KEEP_AND_SANITIZE_STYLE}),this.sanitizerTable=new P(this.sanitizerTable.allowedElements,this.sanitizerTable.elementPolicies,this.sanitizerTable.allowedGlobalAttributes,t),this}allowClassAttributes(){const t=new Set(this.sanitizerTable.allowedGlobalAttributes);return t.add("class"),this.sanitizerTable=new P(this.sanitizerTable.allowedElements,this.sanitizerTable.elementPolicies,t,this.sanitizerTable.globalAttributePolicies),this}allowIdAttributes(){const t=new Set(this.sanitizerTable.allowedGlobalAttributes);return t.add("id"),this.sanitizerTable=new P(this.sanitizerTable.allowedElements,this.sanitizerTable.elementPolicies,t,this.sanitizerTable.globalAttributePolicies),this}allowIdReferenceAttributes(){const t=new Set(this.sanitizerTable.allowedGlobalAttributes);return t.add("aria-activedescendant").add("aria-controls").add("aria-labelledby").add("aria-owns").add("for").add("list"),this.sanitizerTable=new P(this.sanitizerTable.allowedElements,this.sanitizerTable.elementPolicies,t,this.sanitizerTable.globalAttributePolicies),this}withResourceUrlPolicy(t){return this.resourceUrlPolicy=t,this}build(){if(this.calledBuild)throw new Error("this sanitizer has already called build");return this.calledBuild=!0,new U(this.sanitizerTable,t,void 0,void 0,this.resourceUrlPolicy)}}function G(t,e,i,s){if(0===t.length){throw new Error("")}const n=t.map((t=>r(t))),a=i.toLowerCase();if(n.every((t=>0!==a.indexOf(t))))throw new Error(`Attribute "${i}" does not match any of the allowed prefixes.`);e.setAttribute(i,s)}function K(t,e,i){return t.parseFromString(f(e),i)}Error;const H=[o`:`,o`style`,o`class`];function*W(t,e=new Set){const i=new Set,s=Array.from(t.childNodes).filter((t=>!e.has(t)));for(yield t;s.length;){const t=s.shift();i.has(t)||(i.add(t),yield t),t.childNodes&&Array.from(t.childNodes).filter((t=>!e.has(t))).forEach((t=>s.push(t)))}}function Y(t,e){return void 0!==t?.[e]}function B(t,e){return"function"==typeof t?.[e]}function V(t){return t.replace(/-./g,(t=>t[1].toUpperCase()))}function Z(t,e){return Y(t,"attribs")?t.attribs?.[e]??null:t.getAttribute?.(e)??null}function j(t,e,i=""){return Z(t,i+e)||(t.dataset?.[V(e)]??null)}function q(t,e,i=""){return function(t,e){return Y(t,"attribs")?e 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dt{iterable;constructor(t){this.iterable=t}filter(t){return new dt(dt.filterGenerator(t,this.iterable))}map(t){return new dt(dt.mapGenerator(t,this.iterable))}find(t){for(const e of this.iterable)if(t(e))return e}array(){return Array.from(this.iterable)}*generator(){for(const t of this.iterable)yield t}static*filterGenerator(t,e){for(const i of e)t(i)&&(yield i)}static*mapGenerator(t,e){for(const i of e)yield t(i)}static equals(t,e){const i=t[Symbol.iterator](),s=e[Symbol.iterator]();let r=i.next(),n=s.next();for(;!r.done&&!n.done;){if(r.value!==n.value)return!1;r=i.next(),n=s.next()}return r.done===n.done}}var pt;!function(t){t.resolveIncludes=async function(t,e){const i=t,s=i.tagName?.toLowerCase();if(!["include","link"].includes(s))return;if("link"===s&&"subresource"!==Z(i,"rel"))return;this.log("include directive found in:\n",ht(t,128)),this.log("include params:",e);const r="link"===i.tagName.toLocaleLowerCase()?"href":"src",n=Z(i,r);if(!n)throw new Error(`"${r}" attribute missing 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bt;!function(t){t[t.STRING=1]="STRING",t[t.IDENTIFIER=2]="IDENTIFIER",t[t.DOT=3]="DOT",t[t.COMMA=4]="COMMA",t[t.COLON=5]="COLON",t[t.INTEGER=6]="INTEGER",t[t.DECIMAL=7]="DECIMAL",t[t.OPERATOR=8]="OPERATOR",t[t.GROUPER=9]="GROUPER",t[t.KEYWORD=10]="KEYWORD",t[t.ARROW=11]="ARROW"}(bt||(bt={}));const gt=(t,e,i=0)=>({kind:t,value:e,precedence:i}),At=t=>95===t||36===t||65<=(t&=-33)&&t<=90,yt=t=>48<=t&&t<=57;class Tt{_input;_index=-1;_tokenStart=0;_next;constructor(t){this._input=t,this._advance()}nextToken(){for(;9===(t=this._next)||10===t||13===t||32===t;)this._advance(!0);var t;if((t=>34===t||39===t)(this._next))return this._tokenizeString();if(At(this._next))return this._tokenizeIdentOrKeyword();if(yt(this._next))return this._tokenizeNumber();if(46===this._next)return this._tokenizeDot();if(44===this._next)return this._tokenizeComma();if(58===this._next)return this._tokenizeColon();if((t=>43===t||45===t||42===t||47===t||33===t||38===t||37===t||60===t||61===t||62===t||63===t||94===t||124===t)(this._next))return this._tokenizeOperator();if((t=>40===t||41===t||91===t||93===t||123===t||125===t)(this._next))return this._tokenizeGrouper();if(this._advance(),void 0!==this._next)throw new Error(`Expected end of input, got ${this._next}`)}_advance(t){this._index++,this._index<this._input.length?(this._next=this._input.charCodeAt(this._index),!0===t&&(this._tokenStart=this._index)):this._next=void 0}_getValue(t=0){const e=this._input.substring(this._tokenStart,this._index+t);return 0===t&&this._clearValue(),e}_clearValue(){this._tokenStart=this._index}_tokenizeString(){const t="unterminated string",e=this._next;for(this._advance(!0);this._next!==e;){if(void 0===this._next)throw new Error(t);if(92===this._next&&(this._advance(),void 0===this._next))throw new Error(t);this._advance()}const 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t=this._getValue(2);if(-1!==vt.indexOf(t))this._advance(),this._advance();else{if(t=this._getValue(1),"=>"===t)return this._advance(),gt(bt.ARROW,t);-1!==wt.indexOf(t)&&this._advance()}return t=this._getValue(),gt(bt.OPERATOR,t,Et[t])}_tokenizeGrouper(){const t=String.fromCharCode(this._next),e=gt(bt.GROUPER,t,Et[t]);return this._advance(!0),e}}class Rt{_kind;_tokenizer;_ast;_token;_value;constructor(t,e){this._tokenizer=new Tt(t),this._ast=e}parse(){return this._advance(),this._parseExpression()}_advance(t,e){if(!this._matches(t,e))throw new Error(`Expected kind ${t} (${e}), was ${this._token?.kind} (${this._token?.value})`);const i=this._tokenizer.nextToken();this._token=i,this._kind=i?.kind,this._value=i?.value}_matches(t,e){return!(t&&this._kind!==t||e&&this._value!==e)}_parseExpression(){if(!this._token)return this._ast.empty();const t=this._parseUnary();return void 0===t?void 0:this._parsePrecedence(t,0)}_parsePrecedence(t,e){if(void 0===t)throw new Error("Expected left to be 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i=this._parseUnary();for(;(this._kind===bt.OPERATOR||this._kind===bt.DOT||this._kind===bt.GROUPER)&&this._token.precedence>e.precedence;)i=this._parsePrecedence(i,this._token.precedence);return this._ast.binary(t,e.value,i)}_parseUnary(){if(this._matches(bt.OPERATOR)){const t=this._value;if(this._advance(),"+"===t||"-"===t){if(this._matches(bt.INTEGER))return this._parseInteger(t);if(this._matches(bt.DECIMAL))return this._parseDecimal(t)}if(-1===_t.indexOf(t))throw new Error(`unexpected token: ${t}`);const e=this._parsePrecedence(this._parsePrimary(),13);return this._ast.unary(t,e)}return this._parsePrimary()}_parseTernary(t){this._advance(bt.OPERATOR,"?");const e=this._parseExpression();this._advance(bt.COLON);const i=this._parseExpression();return this._ast.ternary(t,e,i)}_parsePrimary(){switch(this._kind){case bt.KEYWORD:const t=this._value;if("this"===t)return this._advance(),this._ast.id(t);if(-1!==ft.indexOf(t))throw new Error(`unexpected keyword: ${t}`);throw new 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t=this._value;if("true"===t)return this._advance(),this._ast.literal(!0);if("false"===t)return this._advance(),this._ast.literal(!1);if("null"===t)return this._advance(),this._ast.literal(null);if("undefined"===t)return this._advance(),this._ast.literal(void 0);const e=this._parseIdentifier(),i=this._parseArguments();return i?this._ast.invoke(e,void 0,i):e}_parseIdentifier(){if(!this._matches(bt.IDENTIFIER))throw new Error(`expected identifier: ${this._value}`);const t=this._value;return this._advance(),this._ast.id(t)}_parseArguments(){if(!this._matches(bt.GROUPER,"("))return;const t=[];do{if(this._advance(),this._matches(bt.GROUPER,")"))break;const e=this._parseExpression();t.push(e)}while(this._matches(bt.COMMA));return this._advance(bt.GROUPER,")"),t}_parseIndex(){this._advance();const t=this._parseExpression();return this._advance(bt.GROUPER,"]"),t}_parseParenOrFunction(){const t=this._parseArguments();if(this._matches(bt.ARROW)){this._advance();const e=this._parseExpression(),i=t?.map((t=>t.value))??[];return this._ast.arrowFunction(i,e)}return this._ast.paren(t[0])}_parseString(){const t=this._ast.literal(this._value);return this._advance(),t}_parseInteger(t=""){const e=this._ast.literal(parseInt(`${t}${this._value}`,10));return this._advance(),e}_parseDecimal(t=""){const e=this._ast.literal(parseFloat(`${t}${this._value}`));return this._advance(),e}}const Ot={"+":(t,e)=>t+e,"-":(t,e)=>t-e,"*":(t,e)=>t*e,"/":(t,e)=>t/e,"%":(t,e)=>t%e,"==":(t,e)=>t==e,"!=":(t,e)=>t!=e,"===":(t,e)=>t===e,"!==":(t,e)=>t!==e,">":(t,e)=>t>e,">=":(t,e)=>t>=e,"<":(t,e)=>t<e,"<=":(t,e)=>t<=e,"||":(t,e)=>t||e,"&&":(t,e)=>t&&e,"??":(t,e)=>t??e,"|":(t,e)=>e(t),"|>":(t,e)=>e(t)},Nt={"+":t=>t,"-":t=>-t,"!":t=>!t};class It{timeouts=new Map;debounce(t,e){return new Promise(((i,s)=>{const r=this.timeouts.get(e);r&&clearTimeout(r),this.timeouts.set(e,setTimeout((()=>{try{i(e()),this.timeouts.delete(e)}catch(t){s(t)}}),t))}))}}const Pt=new class{empty(){return{type:"Empty",evaluate:t=>t,getIds:t=>t}}literal(t){return{type:"Literal",value:t,evaluate(t){return this.value},getIds:t=>t}}id(t){return{type:"ID",value:t,evaluate(t){return"this"===this.value?t:t?.[this.value]},getIds(t){return t.push(this.value),t}}}unary(t,e){const i=Nt[t];return{type:"Unary",operator:t,child:e,evaluate(t){return i(this.child.evaluate(t))},getIds(t){return this.child.getIds(t)}}}binary(t,e,i){const s=Ot[e];return{type:"Binary",operator:e,left:t,right:i,evaluate(t){if("="===this.operator){if("ID"!==this.left.type&&"Getter"!==this.left.type&&"Index"!==this.left.type)throw new Error(`Invalid assignment target: ${this.left}`);const e=this.right.evaluate(t);let i,s;return"Getter"===this.left.type?(i=this.left.receiver.evaluate(t),s=this.left.name):"Index"===this.left.type?(i=this.left.receiver.evaluate(t),s=this.left.argument.evaluate(t)):"ID"===this.left.type&&(i=t,s=this.left.value),void 0===i?void 0:i[s]=e}return s(this.left.evaluate(t),this.right.evaluate(t))},getIds(t){return this.left.getIds(t),this.right.getIds(t),t}}}getter(t,e){return{type:"Getter",receiver:t,name:e,evaluate(t){return this.receiver.evaluate(t)?.[this.name]},getIds(t){return this.receiver.getIds(t),t}}}invoke(t,e,i){if(null!=e&&"string"!=typeof e)throw new Error("method not a string");return{type:"Invoke",receiver:t,method:e,arguments:i,evaluate(t){const i=this.receiver.evaluate(t),s=this.method?i:t?.this??t,r=this.method?i?.[e]:i,n=(this.arguments??[]).map((e=>e?.evaluate(t)));return r?.apply?.(s,n)},getIds(t){return this.receiver.getIds(t),this.arguments?.forEach((e=>e?.getIds(t))),t}}}paren(t){return t}index(t,e){return{type:"Index",receiver:t,argument:e,evaluate(t){return this.receiver.evaluate(t)?.[this.argument.evaluate(t)]},getIds(t){return this.receiver.getIds(t),t}}}ternary(t,e,i){return{type:"Ternary",condition:t,trueExpr:e,falseExpr:i,evaluate(t){return this.condition.evaluate(t)?this.trueExpr.evaluate(t):this.falseExpr.evaluate(t)},getIds(t){return this.condition.getIds(t),this.trueExpr.getIds(t),this.falseExpr.getIds(t),t}}}map(t){return{type:"Map",entries:t,evaluate(e){const i={};if(t&&this.entries)for(const s in t){const t=this.entries[s];t&&(i[s]=t.evaluate(e))}return i},getIds(e){if(t&&this.entries)for(const i in t){const t=this.entries[i];t&&t.getIds(e)}return e}}}list(t){return{type:"List",items:t,evaluate(t){return this.items?.map((e=>e?.evaluate(t)))},getIds(t){return this.items?.forEach((e=>e?.getIds(t))),t}}}arrowFunction(t,e){return{type:"ArrowFunction",params:t,body:e,evaluate(t){const e=this.params,i=this.body;return function(...s){const r=Object.fromEntries(e.map(((t,e)=>[t,s[e]]))),n=new Proxy(t??{},{set:(t,e,i)=>(r.hasOwnProperty(e)&&(r[e]=i),t[e]=i),get:(t,e)=>r.hasOwnProperty(e)?r[e]:t[e]});return i.evaluate(n)}},getIds(t){return this.body.getIds(t).filter((t=>!this.params.includes(t)))}}}};function St(t,e){const i=t?._store;return i?.has(e)?i.get(e):i?.has("$parent")?St(i.get("$parent"),e):null}function xt(t,e){const i=t?._store;return i?.has(e)?t:i?.has("$parent")?xt(i.get("$parent"),e):null}class Ct extends It{evalkeys=["$elem","$event"];expressionCache=new Map;observers=new Map;keyHandlers=new Map;_observer=null;_store=new Map;_lock=Promise.resolve();constructor(t){super();for(let[e,i]of Object.entries(t||{}))this.set(e,i)}wrapFunction(t){return(...e)=>t.call(this.$,...e)}wrapObject(t,e){return null==t||((i=t)instanceof Ct||i.__is_proxy__)||t.constructor!==Object&&!Array.isArray(t)?t:new Proxy(t,{deleteProperty:(t,i)=>i in t&&(delete t[i],e(),!0),set:(i,s,r,n)=>{"object"==typeof r&&null!=t&&(r=this.wrapObject(r,e));const a=Reflect.set(i,s,r,n);return e(),a},get:(t,e,i)=>"__is_proxy__"===e||Reflect.get(t,e,i)});var i}watch(t,e){const i=xt(this,t);if(!i)throw new Error(`Cannot watch key "${t}" as it does not exist in the store.`);i.observers.has(t)||i.observers.set(t,new Set),i.observers.get(t)?.has(e)||i.observers.get(t)?.add(e)}addKeyHandler(t,e){this.keyHandlers.has(t)||this.keyHandlers.set(t,new Set),this.keyHandlers.get(t).add(e)}async notify(t,e=10){const i=xt(this,t),s=Array.from(i?.observers.get(t)||[]);await this.debounce(e,(()=>Promise.all(s.map((t=>t.call(this.proxify(t)))))))}get(t,e){return e&&this.watch(t,e),St(this,t)}async set(t,e){if(e===this._store.get(t))return;const i=()=>this.notify(t);e&&"function"==typeof e&&(e=this.wrapFunction(e)),e&&"object"==typeof e&&(e=this.wrapObject(e,i)),function(t,e,i){const s=xt(t,e);s?s._store.set(e,i):t._store.set(e,i)}(this,t,e);for(const[i,s]of this.keyHandlers.entries())if(i.test(t))for(const i of s)await Promise.resolve(i.call(this.$,t,e));await i()}async del(t){await this.set(t,null),this._store.delete(t),this.observers.delete(t)}keys(){return Array.from(this._store.keys())}has(t){return this._store.has(t)}effect(t){return t.call(this.proxify(t))}proxify(t){const e=Array.from(this._store.entries()).map((([t])=>t)),i=Object.fromEntries(e.map((t=>[t,null])));return new Proxy(i,{get:(e,i,s)=>"string"==typeof i&&xt(this,i)?this.get(i,t):"$"===i?this.proxify(t):Reflect.get(this,i,s),set:(t,e,i,s)=>("string"!=typeof e||e in this?Reflect.set(this,e,i,s):this.set(e,i),!0)})}get $(){return this.proxify()}makeEvalFunction(t){if(t.includes(";"))throw new Error("Complex expressions are not supported.");let e=null;if(t.includes(" = ")){const[i,s]=t.split(" = ");e=i.trim(),t=s.trim()}return(i,s)=>{const r=((t,e)=>new Rt(t,e).parse())(t,Pt),n=r?.getIds([])?.map((t=>[t,s[t]??i[t]??globalThis[t]])),a=r?.evaluate(Object.fromEntries(n||[]));if(!e)return a;!function(t,e,i){const s=e.split(".");for(let e=0;e<s.length-1;e++)s[e]in t||(t[s[e]]={}),t=t[s[e]];t[s[s.length-1]]=i}(i,e,a)}}cachedExpressionFunction(t){return t=t.trim(),this.expressionCache.has(t)||this.expressionCache.set(t,this.makeEvalFunction(t)),this.expressionCache.get(t)}eval(t,e={}){const i=this._observer?this:this.$;if(this._store.has(t))return i[t];{const s=this.cachedExpressionFunction(t);try{return s(i,e)}catch(e){return console.error(`Failed to evaluate expression: ${t}`),console.error(e),null}}}}const Lt="$$",kt="http://localhost/";function Dt(){return new URL(globalThis.window?.location?.href||kt)}function Ut(t){return`${Lt}${t}`}function zt(t){return t.keys().filter((t=>t.startsWith(Lt)))}function $t(t,e,i){const s=function(t){return t.substring(Lt.length)}(e);let r=!1;if(i){const e=String(i);t.searchParams.get(s)!==e&&(t.searchParams.set(s,e),r=!0)}else t.searchParams.has(s)&&(t.searchParams.delete(s),r=!0);return r}async function Mt(t){const e=Dt();await async function(t,e){for(const[i,s]of e.searchParams.entries()){const e=Ut(i);t.get(e)!==s&&await t.set(e,s)}}(t,e),function(t,e){let i=!1;for(const s of zt(e))$t(t,s,e.get(s))&&(i=!0);i&&globalThis.window?.history?.replaceState({},"",t.toString())}(e,t),t.addKeyHandler(new RegExp("^\\$\\$"),((t,e)=>{const i=Dt();$t(i,t,e)&&globalThis.window?.history?.replaceState({},"",i.toString())})),globalThis.window?.addEventListener("popstate",function(t){return async()=>{const e=Dt(),i=new Set;for(const[s,r]of e.searchParams.entries()){const e=Ut(s);i.add(e),t.get(e)!==r&&t.set(e,r)}const s=zt(t);for(const e of s)i.has(e)||t.del(e)}}(t))}class Ft extends Ct{debugging=!1;dirpath="";_skipNodes=new Set;_customElements=new Map;debug(t){return this.debugging=t,this}async fetchRemote(t,e){return fetch(t,{cache:e?.cache??"default"}).then((t=>t.text()))}async fetchLocal(t,e){return this.fetchRemote(t,e)}async preprocessString(t,e){this.log("Preprocessing string content with params:\n",e);const i=this.parseHTML(t,e);return await this.preprocessNode(i,e),i}async preprocessRemote(t,e){const i={};e?.cache&&(i.cache=e.cache);const s=await fetch(t,i).then((t=>t.text()));return this.preprocessString(s,{...e,dirpath:ut(t),rootDocument:e?.rootDocument??!t.endsWith(".tpl.html")})}async preprocessLocal(t,e){const i=await this.fetchLocal(t,e);return this.preprocessString(i,{...e,dirpath:ut(t),rootDocument:e?.rootDocument??!t.endsWith(".tpl.html")})}subrenderer(){const t=(new this.constructor).debug(this.debugging);return t._store.set("$parent",this),t._store.set("$rootRenderer",this.get("$rootRenderer")??this),t._customElements=this._customElements,t}log(...t){this.debugging&&console.debug(...t)}async preprocessNode(t,e){e={dirpath:this.dirpath,maxdepth:10,...e};const i=new dt(W(t,this._skipNodes)).map((async t=>{this.log("Preprocessing node:\n",ht(t,128)),await pt.resolveIncludes.call(this,t,e),await pt.rebaseRelativePaths.call(this,t,e),await pt.registerCustomElements.call(this,t,e),await pt.resolveCustomElements.call(this,t,e)}));return await Promise.all(i.generator()),t}async renderNode(t,e){for(const i of W(t,this._skipNodes))this.log("Rendering node:\n",ht(i,128)),await pt.resolveForAttribute.call(this,i,e),await pt.resolveDataAttribute.call(this,i,e),await pt.resolveTextAttributes.call(this,i,e),await pt.resolveHtmlAttribute.call(this,i,e),await pt.resolveShowAttribute.call(this,i,e),await pt.resolveClassAttribute.call(this,i,e),await pt.resolveBindAttribute.call(this,i,e),await pt.resolveEventAttributes.call(this,i,e),await pt.resolveTextNodeExpressions.call(this,i,e),await pt.resolveCustomAttribute.call(this,i,e),await pt.resolveCustomProperty.call(this,i,e);return t}async mount(t,e){e={...e,rootNode:t},J(t,"renderer",this),this._store.set("$rootNode",t),this.has("$rootRenderer")||this._store.set("$rootRenderer",this),this.get("$rootRenderer")===this&&await Mt(this),await this.preprocessNode(t,e),await this.renderNode(t,e)}}const Gt=[":data",":for",":text",":html",":show",":class",":bind",":on:click",":on:input",":on:change",":on:submit",":attr:src",":attr:href",":attr:title",":prop:checked",":prop:selected",":prop:disabled"];class Kt extends Ft{impl="safe_browser";dirpath=ut(globalThis.location?.href??"http://localhost/");parseHTML(t,e={rootDocument:!1}){for(const e of Gt)t=t.replace(new RegExp(`\\s:${e.slice(1)}=`,"g"),` data-${e.slice(1).replace(":","-")}=`);t=(t=(t=t.replace(/<include(.*) src="([^"]+)"(.*)><\/include>/g,'<link $1 rel="subresource" href="$2" $3>')).replace(/<template is="([^"]+)">([\s\S]*)<\/template>/g,'<div role="template" alt="$1">$2</div>')).replace(/<(\w+)-(\w+)(.*)>([\s\S]*)<\/(\w+)-(\w+)>/g,'<div role="$1-$2" $3>$4</div>');const i=Gt.map((t=>`data-${t.slice(1).replace(":","-")}`));i.push("data-testid");const s=(new F).allowDataAttributes(i).allowClassAttributes().allowStyleAttributes().build();if(this.log("parseHTML",t),this.log("sanitized",String(s.sanitize(t))),e.rootDocument){return K(new DOMParser,s.sanitize(t),"text/html")}return s.sanitizeToFragment(t)}serializeHTML(t){return(new XMLSerializer).serializeToString(t).replace(/\s?xmlns="[^"]+"/gm,"")}preprocessLocal(t,e){return this.preprocessRemote(t,e)}createElement(t,e){return(e||document).createElement(t)}textContent(t,e){t.textContent=e}}const Ht=new Kt;export{Ht as Mancha,Kt as Renderer};