site/node_modules/mathjax-full/es5/input/tex/extensions/empheq.js

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!function(){"use strict";var e,t,a,n,r={667:function(e,t){t.q=void 0,t.q="3.2.2"},79:function(e,t,a){var n,r,i=this&&this.__extends||(n=function(e,t){return n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var a in t)Object.prototype.hasOwnProperty.call(t,a)&&(e[a]=t[a])},n(e,t)},function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Class extends value "+String(t)+" is not a constructor or null");function a(){this.constructor=e}n(e,t),e.prototype=null===t?Object.create(t):(a.prototype=t.prototype,new a)}),o=this&&this.__read||function(e,t){var a="function"==typeof Symbol&&e[Symbol.iterator];if(!a)return e;var n,r,i=a.call(e),o=[];try{for(;(void 0===t||t-- >0)&&!(n=i.next()).done;)o.push(n.value)}catch(e){r={error:e}}finally{try{n&&!n.done&&(a=i.return)&&a.call(i)}finally{if(r)throw r.error}}return o},l=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.EmpheqConfiguration=t.EmpheqMethods=t.EmpheqBeginItem=void 0;var p=a(251),m=a(871),h=l(a(398)),s=l(a(402)),u=a(935),c=a(301),d=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return i(t,e),Object.defineProperty(t.prototype,"kind",{get:function(){return"empheq-begin"},enumerable:!1,configurable:!0}),t.prototype.checkItem=function(t){return t.isKind("end")&&t.getName()===this.getName()&&this.setProperty("end",!1),e.prototype.checkItem.call(this,t)},t}(u.BeginItem);t.EmpheqBeginItem=d,t.EmpheqMethods={Empheq:function(e,t){if(e.stack.env.closing===t.getName()){delete e.stack.env.closing,e.Push(e.itemFactory.create("end").setProperty("name",e.stack.global.empheq)),e.stack.global.empheq="";var a=e.stack.Top();c.EmpheqUtil.adjustTable(a,e),e.Push(e.itemFactory.create("end").setProperty("name","empheq"))}else{h.default.checkEqnEnv(e),delete e.stack.global.eqnenv;var n=e.GetBrackets("\\begin{"+t.getName()+"}")||"",r=o((e.GetArgument("\\begin{"+t.getName()+"}")||"").split(/=/),2),i=r[0],l=r[1];if(!c.EmpheqUtil.checkEnv(i))throw new s.default("UnknownEnv",'Unknown environment "%1"',i);n&&t.setProperties(c.EmpheqUtil.splitOptions(n,{left:1,right:1})),e.stack.global.empheq=i,e.string="\\begin{"+i+"}"+(l?"{"+l+"}":"")+e.string.slice(e.i),e.i=0,e.Push(t)}},EmpheqMO:function(e,t,a){e.Push(e.create("token","mo",{},a))},EmpheqDelim:function(e,t){var a=e.GetDelimiter(t);e.Push(e.create("token","mo",{stretchy:!0,symmetric:!0},a))}},new m.EnvironmentMap("empheq-env",c.EmpheqUtil.environment,{empheq:["Empheq","empheq"]},t.EmpheqMethods),new m.CommandMap("empheq-macros",{empheqlbrace:["EmpheqMO","{"],empheqrbrace:["EmpheqMO","}"],empheqlbrack:["EmpheqMO","["],empheqrbrack:["EmpheqMO","]"],empheqlangle:["EmpheqMO","\u27e8"],empheqrangle:["EmpheqMO","\u27e9"],empheqlparen:["EmpheqMO","("],empheqrparen:["EmpheqMO",")"],empheqlvert:["EmpheqMO","|"],empheqrvert:["EmpheqMO","|"],empheqlVert:["EmpheqMO","\u2016"],empheqrVert:["EmpheqMO","\u2016"],empheqlfloor:["EmpheqMO","\u230a"],empheqrfloor:["EmpheqMO","\u230b"],empheqlceil:["EmpheqMO","\u2308"],empheqrceil:["EmpheqMO","\u2309"],empheqbiglbrace:["EmpheqMO","{"],empheqbigrbrace:["EmpheqMO","}"],empheqbiglbrack:["EmpheqMO","["],empheqbigrbrack:["EmpheqMO","]"],empheqbiglangle:["EmpheqMO","\u27e8"],empheqbigrangle:["EmpheqMO","\u27e9"],empheqbiglparen:["EmpheqMO","("],empheqbigrparen:["EmpheqMO",")"],empheqbiglvert:["EmpheqMO","|"],empheqbigrvert:["EmpheqMO","|"],empheqbiglVert:["EmpheqMO","\u2016"],empheqbigrVert:["EmpheqMO","\u2016"],empheqbiglfloor:["EmpheqMO","\u230a"],empheqbigrfloor:["EmpheqMO","\u230b"],empheqbiglceil:["EmpheqMO","\u2308"],empheqbigrceil:["EmpheqMO","\u2309"],empheql:"EmpheqDelim",empheqr:"EmpheqDelim",empheqbigl:"EmpheqDelim",empheqbigr:"EmpheqDelim"},t.EmpheqMethods),t.EmpheqConfiguration=p.Configuration.create("empheq",{handler:{macro:["empheq-macros"],environment:["empheq-env"]},items:(r={},r[d.prototype.kind]=d,r)})},301:function(e,t,a){var n=this&&this.__read||function(e,t){var a="function"==typeof Symbol&&e[Symbol.iterator];if(!a)return e;var n,r,i=a.