mancha
Version:
Javscript HTML rendering engine
46 lines • 70.3 kB
JavaScript
var Mancha=(function(){let e=/^\s*(?!javascript:)(?:[\w+.-]+:|[^:/?#]*(?:[/?#]|$))/i;function t(t){return!e.test(t)}function n(e){if(!t(e))return e}function r(e){return n(e)}
/**
* @license
* SPDX-License-Identifier: Apache-2.0
*/
function i(e,t){let n=r(t);n!==void 0&&(e.href=n)}
/**
* @license
* SPDX-License-Identifier: Apache-2.0
*/
function a(e,t){let n=r(t);n!==void 0&&(e.href=n)}let o={};var s=class{constructor(e,t){this.privateDoNotAccessOrElseWrappedAttributePrefix=t}toString(){return this.privateDoNotAccessOrElseWrappedAttributePrefix}};let c=s;function l(e){return new c(o,e)}function u(e){return e instanceof s}function d(e){if(u(e))return e.privateDoNotAccessOrElseWrappedAttributePrefix;throw Error(``)}function f(e,t,n,r){if(e.length===0)throw Error(``);let i=e.map(e=>d(e)),a=n.toLowerCase();if(i.every(e=>a.indexOf(e)!==0))throw Error(`Attribute "${n}" does not match any of the allowed prefixes.`);t.setAttribute(n,r)}var p=class{},m=class extends p{constructor(e,t){super(),this.privateDoNotAccessOrElseWrappedStyleSheet=e}toString(){return this.privateDoNotAccessOrElseWrappedStyleSheet}};function h(e){return new m(e,o)}function g(e){if(e instanceof m)return e.privateDoNotAccessOrElseWrappedStyleSheet;throw Error(``)}
/**
* @license
* SPDX-License-Identifier: Apache-2.0
*/
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/*
* @license
* Portions Copyright (c) 2013, the Dart project authors.
*/
let Se=new Set([`this`,`typeof`]),Ce=new Set([`in`]),we=new Set([`+`,`-`,`!`,`typeof`]),Te=new Set([`=`,`+`,`-`,`*`,`/`,`%`,`^`,`==`,`!=`,`>`,`<`,`>=`,`<=`,`||`,`&&`,`??`,`&`,`===`,`!==`,`|`,`in`]),I={"!":0,":":0,",":0,")":0,"]":0,"}":0,"?":2,"??":3,"||":4,"&&":5,"|":6,"^":7,"&":8,"!=":9,"==":9,"!==":9,"===":9,">=":10,">":10,"<=":10,"<":10,in:10,"+":11,"-":11,"%":12,"/":12,"*":12,"(":13,"[":13,".":13,"?.":13,"{":13},Ee={"+":(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,t)=>t(e),in:(e,t)=>e in t},De={"+":e=>e,"-":e=>-e,"!":e=>!e,typeof:e=>typeof e};var Oe=class{empty(){return{type:`Empty`,evaluate(e){return e},getIds(e){return e}}}literal(e){return{type:`Literal`,value:e,evaluate(e){return this.value},getIds(e){return e}}}id(e){return{type:`ID`,value:e,evaluate(e){return this.value===`this`?e:e?.[this.value]},getIds(e){return e.push(this.value),e}}}unary(e,t){let n=De[e];return{type:`Unary`,operator:e,child:t,evaluate(e){return n(this.child.evaluate(e))},getIds(e){return this.child.getIds(e)}}}binary(e,t,n){let r=Ee[t];return{type:`Binary`,operator:t,left:e,right:n,evaluate(e){if(this.operator===`=`){if(this.left.type!==`ID`&&this.left.type!==`Getter`&&this.left.type!==`Index`)throw Error(`Invalid assignment target: ${this.left}`);let t=this.right.evaluate(e),n,r;return this.left.type===`Getter`?(n=this.left.receiver.evaluate(e),r=this.left.name):this.left.type===`Index`?(n=this.left.receiver.evaluate(e),r=String(this.left.argument.evaluate(e))):this.left.type===`ID`&&(n=e,r=this.left.value),n===void 0?void 0:(n[r]=t,t)}return r(this.left.evaluate(e),this.right.evaluate(e))},getIds(e){return this.left.getIds(e),this.right.getIds(e),e}}}getter(e,t,n){return{type:`Getter`,receiver:e,name:t,optional:n,evaluate(e){let t=this.receiver.evaluate(e);if(!(this.optional&&t==null))return t?.[this.name]},getIds(e){return this.receiver.getIds(e),e}}}invoke(e,t,n,r){if(t!=null&&typeof t!=`string`)throw Error(`method not a string`);return{type:`Invoke`,receiver:e,method:t,arguments:n,optional:r,evaluate(e){let t=this.receiver.evaluate(e);if(this.optional&&t==null)return;let n=this.method?t:e?.this??e,r=this.method?t?.[this.method]:t,i=this.arguments??[],a=[];for(let t of i)if(t?.type===`SpreadElement`){let n=t.evaluate(e);n&&typeof n[Symbol.iterator]==`function`&&a.push(...n)}else a.push(t?.evaluate(e));return r?.apply?.(n,a)},getIds(e){return this.receiver.getIds(e),this.arguments?.forEach(t=>{t?.getIds(e)}),e}}}paren(e){return e}index(e,t,n){return{type:`Index`,receiver:e,argument:t,optional:n,evaluate(e){let t=this.receiver.evaluate(e);if(this.optional&&t==null)return;let n=this.argument.evaluate(e);return t?.[n]},getIds(e){return this.receiver.getIds(e),e}}}ternary(e,t,n){return{type:`Ternary`,condition:e,trueExpr:t,falseExpr:n,evaluate(e){return this.condition.evaluate(e)?this.trueExpr.evaluate(e):this.falseExpr.evaluate(e)},getIds(e){return this.condition.getIds(e),this.trueExpr.getIds(e),this.falseExpr.getIds(e),e}}}map(e){return{type:`Map`,properties:e,evaluate(t){let n={};if(e&&this.properties)for(let e of this.properties)e.type===`SpreadProperty`?Object.assign(n,e.evaluate(t)):n[e.key]=e.value.evaluate(t);return n},getIds(t){if(e&&this.properties)for(let e of this.properties)e.type===`SpreadProperty`?e.expression.getIds(t):e.value.getIds(t);return t}}}property(e,t){return{type:`Property`,key:e,value:t,evaluate(e){return this.value.evaluate(e)},getIds(e){return this.value.getIds(e)}}}list(e){return{type:`List`,items:e,evaluate(e){if(!this.items)return[];let t=[];for(let n of this.items)if(n?.type===`SpreadElement`){let r=n.evaluate(e);r&&typeof r[Symbol.iterator]==`function`&&t.push(...r)}else t.push(n?.evaluate(e));return t},getIds(e){return this.items?.forEach(t=>{t?.getIds(e)}),e}}}arrowFunction(e,t){return{type:`ArrowFunction`,params:e,body:t,evaluate(e){let t=this.params,n=this.body;return function(...r){let i=Object.fromEntries(t.map((e,t)=>[e,r[t]])),a=this??e??{},o=new Proxy(a,{set(e,t,n){return Object.hasOwn(i,t)&&(i[t]=n),e[t]=n,n},get(e,t){return Object.hasOwn(i,t)?i[t]:e[t]}});return n.evaluate(o)}},getIds(e){return this.body.getIds(e).filter(e=>!this.params.includes(e))}}}spreadProperty(e){return{type:`SpreadProperty`,expression:e,evaluate(e){return this.expression.evaluate(e)},getIds(e){return this.expression.getIds(e)}}}spreadElement(e){return{type:`SpreadElement`,expression:e,evaluate(e){return this.expression.evaluate(e)},getIds(e){return this.expression.getIds(e)}}}};
/*
* @license
* Portions Copyright (c) 2013, the Dart project authors.
*/
let ke=new Set([`==`,`!=`,`<=`,`>=`,`||`,`&&`,`??`,`?.`]),Ae=new Set([`===`,`!==`]),L=function(e){return e[e.STRING=1]=`STRING`,e[e.IDENTIFIER=2]=`IDENTIFIER`,e[e.DOT=3]=`DOT`,e[e.COMMA=4]=`COMMA`,e[e.COLON=5]=`COLON`,e[e.INTEGER=6]=`INTEGER`,e[e.DECIMAL=7]=`DECIMAL`,e[e.OPERATOR=8]=`OPERATOR`,e[e.GROUPER=9]=`GROUPER`,e[e.KEYWORD=10]=`KEYWORD`,e[e.ARROW=11]=`ARROW`,e[e.OPTIONAL_DOT=12]=`OPTIONAL_DOT`,e[e.SPREAD=13]=`SPREAD`,e}({}),R=(e,t,n=0)=>({kind:e,value:t,precedence:n}),je=e=>e===9||e===10||e===13||e===32,Me=e=>{if(e===95||e===36)return!0;let t=e&-33;return 65<=t&&t<=90},Ne=e=>Me(e)||z(e),Pe=e=>Se.has(e),Fe=e=>e===34||e===39,z=e=>48<=e&&e<=57,Ie=e=>e===43||e===45||e===42||e===47||e===33||e===38||e===37||e===60||e===61||e===62||e===63||e===94||e===124,Le=e=>e===40||e===41||e===91||e===93||e===123||e===125,Re=e=>e.replace(/\\(.)/g,(e,t)=>{switch(t){case`n`:return`
`;case`r`:return`\r`;case`t`:return` `;case`b`:return`\b`;case`f`:return`\f`;default:return t}});var ze=class{_input;_index=-1;_tokenStart=0;_next;constructor(e){this._input=e,this._advance()}nextToken(){for(;je(this._next??-1);)this._advance(!0);if(Fe(this._next??-1))return this._tokenizeString();if(Me(this._next??-1))return this._tokenizeIdentOrKeyword();if(z(this._next??-1))return this._tokenizeNumber();if(this._next===46)return this._tokenizeDot();if(this._next===44)return this._tokenizeComma();if(this._next===58)return this._tokenizeColon();if(Ie(this._next??-1))return this._tokenizeOperator();if(Le(this._next??-1))return this._tokenizeGrouper();if(this._advance(),this._next!==void 0)throw Error(`Expected end of input, got ${this._next}`)}_advance(e){this._index++,this._index<this._input.length?(this._next=this._input.charCodeAt(this._index),e===!0&&(this._tokenStart=this._index)):this._next=void 0}_getValue(e=0){let t=this._input.substring(this._tokenStart,this._index+e);return e===0&&this._clearValue(),t}_clearValue(){this._tokenStart=this._index}_tokenizeString(){let e=this._next;for(this._advance(!0);this._next!==e;){if(this._next===void 0||this._next===92&&(this._advance(),this._next===void 0))throw Error(`unterminated string`);this._advance()}let t=R(L.STRING,Re(this._getValue()));return this._advance(),t}_tokenizeIdentOrKeyword(){do this._advance();while(Ne(this._next??-1));let e=this._getValue();return R(Pe(e)?L.KEYWORD:Ce.has(e)?L.OPERATOR:L.IDENTIFIER,e,I[e]??0)}_tokenizeNumber(){do this._advance();while(z(this._next??-1));return this._next===46?this._tokenizeDot():R(L.INTEGER,this._getValue())}_tokenizeDot(){if(this._advance(),z(this._next??-1))return this._tokenizeFraction();if(this._next===46){if(this._advance(),this._next===46)return this._advance(),this._clearValue(),R(L.SPREAD,`...`);throw Error(`Unexpected token ..`)}return this._clearValue(),R(L.DOT,`.`,13)}_tokenizeComma(){return this._advance(!0),R(L.COMMA,`,`)}_tokenizeColon(){return 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