sval.min.js

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this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,this.enterScope(se(e.async,e.generator)),t&me||(e.id=this.type===q.name?this.parseIdent():null),this.parseFunctionParams(e),this.parseFunctionBody(e,r,!1),this.yieldPos=n,this.awaitPos=s,this.awaitIdentPos=a,this.finishNode(e,t&me?"FunctionDeclaration":"FunctionExpression")},pe.parseFunctionParams=function(e){this.expect(q.parenL),e.params=this.parseBindingList(q.parenR,!1,8<=this.options.ecmaVersion),this.checkYieldAwaitInDefaultParams()},pe.parseClass=function(e,t){this.next();var r=this.strict;this.strict=!0,this.parseClassId(e,t),this.parseClassSuper(e);var i=this.startNode(),n=!1;for(i.body=[],this.expect(q.braceL);!this.eat(q.braceR);){var s=this.parseClassElement(null!==e.superClass);s&&(i.body.push(s),"MethodDefinition"===s.type&&"constructor"===s.kind&&(n&&this.raise(s.start,"Duplicate constructor in the same class"),n=!0))}return e.body=this.finishNode(i,"ClassBody"),this.strict=r,this.finishNode(e,t?"ClassDeclaration":"ClassExpression")},pe.parseClassElement=function(e){var n=this;if(this.eat(q.semi))return null;function t(e,t){void 0===t&&(t=!1);var r=n.start,i=n.startLoc;return!!n.eatContextual(e)&&(!(n.type===q.parenL||t&&n.canInsertSemicolon())||(s.key&&n.unexpected(),s.computed=!1,s.key=n.startNodeAt(r,i),s.key.name=e,n.finishNode(s.key,"Identifier"),!1))}var s=this.startNode();s.kind="method",s.static=t("static");var r=this.eat(q.star),i=!1;r||(8<=this.options.ecmaVersion&&t("async",!0)?(i=!0,r=9<=this.options.ecmaVersion&&this.eat(q.star)):t("get")?s.kind="get":t("set")&&(s.kind="set")),s.key||this.parsePropertyName(s);var a=s.key,o=!1;return s.computed||s.static||!("Identifier"===a.type&&"constructor"===a.name||"Literal"===a.type&&"constructor"===a.value)?s.static&&"Identifier"===a.type&&"prototype"===a.name&&this.raise(a.start,"Classes may not have a static property named prototype"):("method"!==s.kind&&this.raise(a.start,"Constructor can't have get/set modifier"),r&&this.raise(a.start,"Constructor can't be a generator"),i&&this.raise(a.start,"Constructor can't be an async method"),s.kind="constructor",o=e),this.parseClassMethod(s,r,i,o),"get"===s.kind&&0!==s.value.params.length&&this.raiseRecoverable(s.value.start,"getter should have no params"),"set"===s.kind&&1!==s.value.params.length&&this.raiseRecoverable(s.value.start,"setter should have exactly one param"),"set"===s.kind&&"RestElement"===s.value.params[0].type&&this.raiseRecoverable(s.value.params[0].start,"Setter cannot use rest params"),s},pe.parseClassMethod=function(e,t,r,i){return e.value=this.parseMethod(t,r,i),this.finishNode(e,"MethodDefinition")},pe.parseClassId=function(e,t){this.type===q.name?(e.id=this.parseIdent(),t&&this.checkLVal(e.id,2,!1)):(!0===t&&this.unexpected(),e.id=null)},pe.parseClassSuper=function(e){e.superClass=this.eat(q._extends)?this.parseExprSubscripts():null},pe.parseExport=function(e,t){if(this.next(),this.eat(q.star))return this.expectContextual("from"),this.type!==q.string&&this.unexpected(),e.source=this.parseExprAtom(),this.semicolon(),this.finishNode(e,"ExportAllDeclaration");var r,i,n;if(this.eat(q._default))return this.checkExport(t,"default",this.lastTokStart),this.type===q._function||(r=this.isAsyncFunction())?(i=this.startNode(),this.next(),r&&this.next(),e.declaration=this.parseFunction(i,4|me,!1,r)):this.type===q._class?(n=this.startNode(),e.declaration=this.parseClass(n,"nullableID")):(e.declaration=this.parseMaybeAssign(),this.semicolon()),this.finishNode(e,"ExportDefaultDeclaration");if(this.shouldParseExportStatement())e.declaration=this.parseStatement(null),"VariableDeclaration"===e.declaration.type?this.checkVariableExport(t,e.declaration.declarations):this.checkExport(t,e.declaration.id.name,e.declaration.id.start),e.specifiers=[],e.source=null;else{if(e.declaration=null,e.specifiers=this.parseExportSpecifiers(t),this.eatContextual("from"))this.type!==q.string&&this.unexpected(),e.source=this.parseExprAtom();else{for(var s=0,a=e.specifiers;s<a.length;s+=1){var o=a[s];this.checkUnreserved(o.local),this.checkLocalExport(o.local)}e.source=null}this.semicolon()}return this.finishNode(e,"ExportNamedDeclaration")},pe.checkExport=function(e,t,r){e&&(Y(e,t)&&this.raiseRecoverable(r,"Duplicate export '"+t+"'"),e[t]=!0)},pe.checkPatternExport=function(e,t){var r=t.type;if("Identifier"===r)this.checkExport(e,t.name,t.start);else if("ObjectPattern"===r)for(var i=0,n=t.properties;i<n.length;i+=1){var s=n[i];this.checkPatternExport(e,s)}else if("ArrayPattern"===r)for(var a=0,o=t.elements;a<o.length;a+=1){var c=o[a];c&&this.checkPatternExport(e,c)}else"Property"===r?this.checkPatternExport(e,t.value):"AssignmentPattern"===r?this.checkPatternExport(e,t.left):"RestElement"===r?this.checkPatternExport(e,t.argument):"ParenthesizedExpression"===r&&this.checkPatternExport(e,t.expression)},pe.checkVariableExport=function(e,t){if(e)for(var r=0,i=t;r<i.length;r+=1){var n=i[r];this.checkPatternExport(e,n.id)}},pe.shouldParseExportStatement=function(){return"var"===this.type.keyword||"const"===this.type.keyword||"class"===this.type.keyword||"function"===this.type.keyword||this.isLet()||this.isAsyncFunction()},pe.parseExportSpecifiers=function(e){var t=[],r=!0;for(this.expect(q.braceL);!this.eat(q.braceR);){if(r)r=!1;else if(this.expect(q.comma),this.afterTrailingComma(q.braceR))break;var i=this.startNode();i.local=this.parseIdent(!0),i.exported=this.eatContextual("as")?this.parseIdent(!0):i.local,this.checkExport(e,i.exported.name,i.exported.start),t.push(this.finishNode(i,"ExportSpecifier"))}return t},pe.parseImport=function(e){return this.next(),this.type===q.string?(e.specifiers=fe,e.source=this.parseExprAtom()):(e.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),e.source=this.type===q.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(e,"ImportDeclaration")},pe.parseImportSpecifiers=function(){var e=[],t=!0;if(this.type===q.name){var r=this.startNode();if(r.local=this.parseIdent(),this.checkLVal(r.local,2),e.push(this.finishNode(r,"ImportDefaultSpecifier")),!this.eat(q.comma))return e}if(this.type===q.star){var i=this.startNode();return this.next(),this.expectContextual("as"),i.local=this.parseIdent(),this.checkLVal(i.local,2),e.push(this.finishNode(i,"ImportNamespaceSpecifier")),e}for(this.expect(q.braceL);!this.eat(q.braceR);){if(t)t=!1;else if(this.expect(q.comma),this.afterTrailingComma(q.braceR))break;var n=this.startNode();n.imported=this.parseIdent(!0),this.eatContextual("as")?n.local=this.parseIdent():(this.checkUnreserved(n.imported),n.local=n.imported),this.checkLVal(n.local,2),e.push(this.finishNode(n,"ImportSpecifier"))}return e},pe.adaptDirectivePrologue=function(e){for(var t=0;t<e.length&&this.isDirectiveCandidate(e[t]);++t)e[t].directive=e[t].expression.raw.slice(1,-1)},pe.isDirectiveCandidate=function(e){return"ExpressionStatement"===e.type&&"Literal"===e.expression.type&&"string"==typeof e.expression.value&&('"'===this.input[e.start]||"'"===this.input[e.start])};var ye=ae.prototype;ye.toAssignable=function(e,t,r){if(6<=this.options.ecmaVersion&&e)switch(e.type){case"Identifier":this.inAsync&&"await"===e.name&&this.raise(e.start,"Cannot use 'await' as identifier inside an async function");break;case"ObjectPattern":case"ArrayPattern":case"RestElement":break;case"ObjectExpression":e.type="ObjectPattern",r&&this.checkPatternErrors(r,!0);for(var i=0,n=e.properties;i<n.length;i+=1){var s=n[i];this.toAssignable(s,t),"RestElement"!==s.type||"ArrayPattern"!==s.argument.type&&"ObjectPattern"!==s.argument.type||this.raise(s.argument.start,"Unexpected token")}break;case"Property":"init"!==e.kind&&this.raise(e.key.start,"Object pattern can't contain getter or setter"),this.toAssignable(e.value,t);break;case"ArrayExpression":e.type="ArrayPattern",r&&this.checkPatternErrors(r,!0),this.toAssignableList(e.elements,t);break;case"SpreadElement":e.type="RestElement",this.toAssignable(e.argument,t),"AssignmentPattern"===e.argument.type&&this.raise(e.argument.start,"Rest elements cannot have a default value");break;case"AssignmentExpression":"="!==e.operator&&this.raise(e.left.end,"Only '=' operator can be used for specifying default value."),e.type="AssignmentPattern",delete e.operator,this.toAssignable(e.left,t);case"AssignmentPattern":break;case"ParenthesizedExpression":this.toAssignable(e.expression,t,r);break;case"MemberExpression":if(!t)break;default:this.raise(e.start,"Assigning to rvalue")}else r&&this.checkPatternErrors(r,!0);return e},ye.toAssignableList=function(e,t){for(var r,i=e.length,n=0;n<i;n++){var s=e[n];s&&this.toAssignable(s,t)}return i&&(r=e[i-1],6===this.options.ecmaVersion&&t&&r&&"RestElement"===r.type&&"Identifier"!==r.argument.type&&this.unexpected(r.argument.start)),e},ye.parseSpread=function(e){var t=this.startNode();return this.next(),t.argument=this.parseMaybeAssign(!1,e),this.finishNode(t,"SpreadElement")},ye.parseRestBinding=function(){var e=this.startNode();return this.next(),6===this.options.ecmaVersion&&this.type!==q.name&&this.unexpected(),e.argument=this.parseBindingAtom(),this.finishNode(e,"RestElement")},ye.parseBindingAtom=function(){if(6<=this.options.ecmaVersion)switch(this.type){case q.bracketL:var e=this.startNode();return this.next(),e.elements=this.parseBindingList(q.bracketR,!0,!0),this.finishNode(e,"ArrayPattern");case q.braceL:return this.parseObj(!0)}return this.parseIdent()},ye.parseBindingList=function(e,t,r){for(var i=[],n=!0;!this.eat(e);)if(n?n=!1:this.expect(q.comma),t&&this.type===q.comma)i.push(null);else{if(r&&this.afterTrailingComma(e))break;if(this.type===q.ellipsis){var s=this.parseRestBinding();this.parseBindingListItem(s),i.push(s),this.type===q.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.expect(e);break}var a=this.parseMaybeDefault(this.start,this.startLoc);this.parseBindingListItem(a),i.push(a)}return i},ye.parseBindingListItem=function(e){return e},ye.parseMaybeDefault=function(e,t,r){if(r=r||this.parseBindingAtom(),this.options.ecmaVersion<6||!this.eat(q.eq))return r;var i=this.startNodeAt(e,t);return i.left=r,i.right=this.parseMaybeAssign(),this.finishNode(i,"AssignmentPattern")},ye.checkLVal=function(e,t,r){switch(void 0===t&&(t=0),e.type){case"Identifier":2===t&&"let"===e.name&&this.raiseRecoverable(e.start,"let is disallowed as a lexically bound name"),this.strict&&this.reservedWordsStrictBind.test(e.name)&&this.raiseRecoverable(e.start,(t?"Binding ":"Assigning to ")+e.name+" in strict mode"),r&&(Y(r,e.name)&&this.raiseRecoverable(e.start,"Argument name clash"),r[e.name]=!0),0!==t&&5!==t&&this.declareName(e.name,t,e.start);break;case"MemberExpression":t&&this.raiseRecoverable(e.start,"Binding member expression");break;case"ObjectPattern":for(var i=0,n=e.properties;i<n.length;i+=1){var s=n[i];this.checkLVal(s,t,r)}break;case"Property":this.checkLVal(e.value,t,r);break;case"ArrayPattern":for(var a=0,o=e.elements;a<o.length;a+=1){var c=o[a];c&&this.checkLVal(c,t,r)}break;case"AssignmentPattern":this.checkLVal(e.left,t,r);break;case"RestElement":this.checkLVal(e.argument,t,r);break;case"ParenthesizedExpression":this.checkLVal(e.expression,t,r);break;default:this.raise(e.start,(t?"Binding":"Assigning to")+" rvalue")}};var ve=ae.prototype;ve.checkPropClash=function(e,t,r){if(!(9<=this.options.ecmaVersion&&"SpreadElement"===e.type||6<=this.options.ecmaVersion&&(e.computed||e.method||e.shorthand))){var i,n=e.key;switch(n.type){case"Identifier":i=n.name;break;case"Literal":i=String(n.value);break;default:return}var s,a=e.kind;6<=this.options.ecmaVersion?"__proto__"===i&&"init"===a&&(t.proto&&(r&&r.doubleProto<0?r.doubleProto=n.start:this.raiseRecoverable(n.start,"Redefinition of __proto__ property")),t.proto=!0):((s=t[i="$"+i])?("init"===a?this.strict&&s.init||s.get||s.set:s.init||s[a])&&this.raiseRecoverable(n.start,"Redefinition of property"):s=t[i]={init:!1,get:!1,set:!1},s[a]=!0)}},ve.parseExpression=function(e,t){var r=this.start,i=this.startLoc,n=this.parseMaybeAssign(e,t);if(this.type!==q.comma)return n;var s=this.startNodeAt(r,i);for(s.expressions=[n];this.eat(q.comma);)s.expressions.push(this.parseMaybeAssign(e,t));return this.finishNode(s,"SequenceExpression")},ve.parseMaybeAssign=function(e,t,r){if(this.isContextual("yield")){if(this.inGenerator)return this.parseYield(e);this.exprAllowed=!1}var i=!1,n=-1,s=-1,a=-1;t?(n=t.parenthesizedAssign,s=t.trailingComma,a=t.shorthandAssign,t.parenthesizedAssign=t.trailingComma=t.shorthandAssign=-1):(t=new ue,i=!0);var o=this.start,c=this.startLoc;this.type!==q.parenL&&this.type!==q.name||(this.potentialArrowAt=this.start);var h=this.parseMaybeConditional(e,t);if(r&&(h=r.call(this,h,o,c)),this.type.isAssign){var u=this.startNodeAt(o,c);return u.operator=this.value,u.left=this.type===q.eq?this.toAssignable(h,!1,t):h,i||ue.call(t),t.shorthandAssign=-1,this.checkLVal(h),this.next(),u.right=this.parseMaybeAssign(e),this.finishNode(u,"AssignmentExpression")}return i&&this.checkExpressionErrors(t,!0),-1<n&&(t.parenthesizedAssign=n),-1<s&&(t.trailingComma=s),-1<a&&(t.shorthandAssign=a),h},ve.parseMaybeConditional=function(e,t){var r=this.start,i=this.startLoc,n=this.parseExprOps(e,t);if(this.checkExpressionErrors(t))return n;if(this.eat(q.question)){var s=this.startNodeAt(r,i);return s.test=n,s.consequent=this.parseMaybeAssign(),this.expect(q.colon),s.alternate=this.parseMaybeAssign(e),this.finishNode(s,"ConditionalExpression")}return n},ve.parseExprOps=function(e,t){var r=this.start,i=this.startLoc,n=this.parseMaybeUnary(t,!1);return this.checkExpressionErrors(t)||n.start===r&&"ArrowFunctionExpression"===n.type?n:this.parseExprOp(n,r,i,-1,e)},ve.parseExprOp=function(e,t,r,i,n){var s=this.type.binop;if(null==s||n&&this.type===q._in||!(i<s))return e;var a=this.type===q.logicalOR||this.type===q.logicalAND,o=this.value;this.next();var c=this.start,h=this.startLoc,u=this.parseExprOp(this.parseMaybeUnary(null,!1),c,h,s,n),p=this.buildBinary(t,r,e,u,o,a);return this.parseExprOp(p,t,r,i,n)},ve.buildBinary=function(e,t,r,i,n,s){var a=this.startNodeAt(e,t);return a.left=r,a.operator=n,a.right=i,this.finishNode(a,s?"LogicalExpression":"BinaryExpression")},ve.parseMaybeUnary=function(e,t){var r,i=this.start,n=this.startLoc;if(this.isContextual("await")&&(this.inAsync||!this.inFunction&&this.options.allowAwaitOutsideFunction))r=this.parseAwait(),t=!0;else if(this.type.prefix){var s=this.startNode(),a=this.type===q.incDec;s.operator=this.value,s.prefix=!0,this.next(),s.argument=this.parseMaybeUnary(null,!0),this.checkExpressionErrors(e,!0),a?this.checkLVal(s.argument):this.strict&&"delete"===s.operator&&"Identifier"===s.argument.type?this.raiseRecoverable(s.start,"Deleting local variable in strict mode"):t=!0,r=this.finishNode(s,a?"UpdateExpression":"UnaryExpression")}else{if(r=this.parseExprSubscripts(e),this.checkExpressionErrors(e))return r;for(;this.type.postfix&&!this.canInsertSemicolon();){var o=this.startNodeAt(i,n);o.operator=this.value,o.prefix=!1,o.argument=r,this.checkLVal(r),this.next(),r=this.finishNode(o,"UpdateExpression")}}return!t&&this.eat(q.starstar)?this.buildBinary(i,n,r,this.parseMaybeUnary(null,!1),"**",!1):r},ve.parseExprSubscripts=function(e){var t=this.start,r=this.startLoc,i=this.parseExprAtom(e),n="ArrowFunctionExpression"===i.type&&")"!==this.input.slice(this.lastTokStart,this.lastTokEnd);if(this.checkExpressionErrors(e)||n)return i;var s=this.parseSubscripts(i,t,r);return e&&"MemberExpression"===s.type&&(e.parenthesizedAssign>=s.start&&(e.parenthesizedAssign=-1),e.parenthesizedBind>=s.start&&(e.parenthesizedBind=-1)),s},ve.parseSubscripts=function(e,t,r,i){for(var n=8<=this.options.ecmaVersion&&"Identifier"===e.type&&"async"===e.name&&this.lastTokEnd===e.end&&!this.canInsertSemicolon()&&"async"===this.input.slice(e.start,e.end);;){var s=this.parseSubscript(e,t,r,i,n);if(s===e||"ArrowFunctionExpression"===s.type)return s;e=s}},ve.parseSubscript=function(e,t,r,i,n){var s,a=this.eat(q.bracketL);if(a||this.eat(q.dot)){var o=this.startNodeAt(t,r);o.object=e,o.property=a?this.parseExpression():this.parseIdent("never"!==this.options.allowReserved),o.computed=!!a,a&&this.expect(q.bracketR),e=this.finishNode(o,"MemberExpression")}else if(!i&&this.eat(q.parenL)){var c=new ue,h=this.yieldPos,u=this.awaitPos,p=this.awaitIdentPos;this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0;var l=this.parseExprList(q.parenR,8<=this.options.ecmaVersion&&"Import"!==e.type,!1,c);if(n&&!this.canInsertSemicolon()&&this.eat(q.arrow))return this.checkPatternErrors(c,!1),this.checkYieldAwaitInDefaultParams(),0<this.awaitIdentPos&&this.raise(this.awaitIdentPos,"Cannot use 'await' as identifier inside an async function"),this.yieldPos=h,this.awaitPos=u,this.awaitIdentPos=p,this.parseArrowExpression(this.startNodeAt(t,r),l,!0);this.checkExpressionErrors(c,!0),this.yieldPos=h||this.yieldPos,this.awaitPos=u||this.awaitPos,this.awaitIdentPos=p||this.awaitIdentPos;var d,f=this.startNodeAt(t,r);f.callee=e,f.arguments=l,"Import"===f.callee.type&&(1!==f.arguments.length&&this.raise(f.start,"import() requires exactly one argument"),(d=f.arguments[0])&&"SpreadElement"===d.type&&this.raise(d.start,"... is not allowed in import()")),e=this.finishNode(f,"CallExpression")}else{this.type===q.backQuote&&((s=this.startNodeAt(t,r)).tag=e,s.quasi=this.parseTemplate({isTagged:!0}),e=this.finishNode(s,"TaggedTemplateExpression"))}return e},ve.parseExprAtom=function(e){this.type===q.slash&&this.readRegexp();var t=this.potentialArrowAt===this.start;switch(this.type){case q._super:return this.allowSuper||this.raise(this.start,"'super' keyword outside a method"),a=this.startNode(),this.next(),this.type!==q.parenL||this.allowDirectSuper||this.raise(a.start,"super() call outside constructor of a subclass"),this.type!==q.dot&&this.type!==q.bracketL&&this.type!==q.parenL&&this.unexpected(),this.finishNode(a,"Super");case q._this:return a=this.startNode(),this.next(),this.finishNode(a,"ThisExpression");case q.name:var r=this.start,i=this.startLoc,n=this.containsEsc,s=this.parseIdent(!1);if(8<=this.options.ecmaVersion&&!n&&"async"===s.name&&!this.canInsertSemicolon()&&this.eat(q._function))return this.parseFunction(this.startNodeAt(r,i),0,!1,!0);if(t&&!this.canInsertSemicolon()){if(this.eat(q.arrow))return this.parseArrowExpression(this.startNodeAt(r,i),[s],!1);if(8<=this.options.ecmaVersion&&"async"===s.name&&this.type===q.name&&!n)return s=this.parseIdent(!1),!this.canInsertSemicolon()&&this.eat(q.arrow)||this.unexpected(),this.parseArrowExpression(this.startNodeAt(r,i),[s],!0)}return s;case q.regexp:var a,o=this.value;return(a=this.parseLiteral(o.value)).regex={pattern:o.pattern,flags:o.flags},a;case q.num:case q.string:return this.parseLiteral(this.value);case q._null:case q._true:case q._false:return(a=this.startNode()).value=this.type===q._null?null:this.type===q._true,a.raw=this.type.keyword,this.next(),this.finishNode(a,"Literal");case q.parenL:var c=this.start,h=this.parseParenAndDistinguishExpression(t);return e&&(e.parenthesizedAssign<0&&!this.isSimpleAssignTarget(h)&&(e.parenthesizedAssign=c),e.parenthesizedBind<0&&(e.parenthesizedBind=c)),h;case q.bracketL:return a=this.startNode(),this.next(),a.elements=this.parseExprList(q.bracketR,!0,!0,e),this.finishNode(a,"ArrayExpression");case q.braceL:return this.parseObj(!1,e);case q._function:return a=this.startNode(),this.next(),this.parseFunction(a,0);case q._class:return this.parseClass(this.startNode(),!1);case q._new:return this.parseNew();case q.backQuote:return this.parseTemplate();case q._import:return 10<this.options.ecmaVersion?this.parseDynamicImport():this.unexpected();default:this.unexpected()}},ve.parseDynamicImport=function(){var e=this.startNode();return this.next(),this.type!==q.parenL&&this.unexpected(),this.finishNode(e,"Import")},ve.parseLiteral=function(e){var t=this.startNode();return t.value=e,t.raw=this.input.slice(this.start,this.end),110===t.raw.charCodeAt(t.raw.length-1)&&(t.bigint=t.raw.slice(0,-1)),this.next(),this.finishNode(t,"Literal")},ve.parseParenExpression=function(){this.expect(q.parenL);var e=this.parseExpression();return this.expect(q.parenR),e},ve.parseParenAndDistinguishExpression=function(e){var t,r=this.start,i=this.startLoc,n=8<=this.options.ecmaVersion;if(6<=this.options.ecmaVersion){this.next();var s,a=this.start,o=this.startLoc,c=[],h=!0,u=!1,p=new ue,l=this.yieldPos,d=this.awaitPos;for(this.yieldPos=0,this.awaitPos=0;this.type!==q.parenR;){if(h?h=!1:this.expect(q.comma),n&&this.afterTrailingComma(q.parenR,!0)){u=!0;break}if(this.type===q.ellipsis){s=this.start,c.push(this.parseParenItem(this.parseRestBinding())),this.type===q.comma&&this.raise(this.start,"Comma is not permitted after the rest element");break}c.push(this.parseMaybeAssign(!1,p,this.parseParenItem))}var f=this.start,m=this.startLoc;if(this.expect(q.parenR),e&&!this.canInsertSemicolon()&&this.eat(q.arrow))return this.checkPatternErrors(p,!1),this.checkYieldAwaitInDefaultParams(),this.yieldPos=l,this.awaitPos=d,this.parseParenArrowList(r,i,c);c.length&&!u||this.unexpected(this.lastTokStart),s&&this.unexpected(s),this.checkExpressionErrors(p,!0),this.yieldPos=l||this.yieldPos,this.awaitPos=d||this.awaitPos,1<c.length?((t=this.startNodeAt(a,o)).expressions=c,this.finishNodeAt(t,"SequenceExpression",f,m)):t=c[0]}else t=this.parseParenExpression();if(this.options.preserveParens){var g=this.startNodeAt(r,i);return g.expression=t,this.finishNode(g,"ParenthesizedExpression")}return t},ve.parseParenItem=function(e){return e},ve.parseParenArrowList=function(e,t,r){return this.parseArrowExpression(this.startNodeAt(e,t),r)};var xe=[];ve.parseNew=function(){var e=this.startNode(),t=this.parseIdent(!0);if(6<=this.options.ecmaVersion&&this.eat(q.dot)){e.meta=t;var r=this.containsEsc;return e.property=this.parseIdent(!0),"target"===e.property.name&&!r||this.raiseRecoverable(e.property.start,"The only valid meta property for new is new.target"),this.inNonArrowFunction()||this.raiseRecoverable(e.start,"new.target can only be used in functions"),this.finishNode(e,"MetaProperty")}var i=this.start,n=this.startLoc;return e.callee=this.parseSubscripts(this.parseExprAtom(),i,n,!0),10<this.options.ecmaVersion&&"Import"===e.callee.type&&this.raise(e.callee.start,"Cannot use new with import(...)"),this.eat(q.parenL)?e.arguments=this.parseExprList(q.parenR,8<=this.options.ecmaVersion&&"Import"!==e.callee.type,!1):e.arguments=xe,this.finishNode(e,"NewExpression")},ve.parseTemplateElement=function(e){var t=e.isTagged,r=this.startNode();return this.type===q.invalidTemplate?(t||this.raiseRecoverable(this.start,"Bad escape sequence in untagged template literal"),r.value={raw:this.value,cooked:null}):r.value={raw:this.input.slice(this.start,this.end).replace(/\r\n?/g,"\n"),cooked:this.value},this.next(),r.tail=this.type===q.backQuote,this.finishNode(r,"TemplateElement")},ve.parseTemplate=function(e){void 0===e&&(e={});var t=e.isTagged;void 0===t&&(t=!1);var r=this.startNode();this.next(),r.expressions=[];var i=this.parseTemplateElement({isTagged:t});for(r.quasis=[i];!i.tail;)this.type===q.eof&&this.raise(this.pos,"Unterminated template literal"),this.expect(q.dollarBraceL),r.expressions.push(this.parseExpression()),this.expect(q.braceR),r.quasis.push(i=this.parseTemplateElement({isTagged:t}));return this.next(),this.finishNode(r,"TemplateLiteral")},ve.isAsyncProp=function(e){return!e.computed&&"Identifier"===e.key.type&&"async"===e.key.name&&(this.type===q.name||this.type===q.num||this.type===q.string||this.type===q.bracketL||this.type.keyword||9<=this.options.ecmaVersion&&this.type===q.star)&&!W.test(this.input.slice(this.lastTokEnd,this.start))},ve.parseObj=function(e,t){var r=this.startNode(),i=!0,n={};for(r.properties=[],this.next();!this.eat(q.braceR);){if(i)i=!1;else if(this.expect(q.comma),this.afterTrailingComma(q.braceR))break;var s=this.parseProperty(e,t);e||this.checkPropClash(s,n,t),r.properties.push(s)}return this.finishNode(r,e?"ObjectPattern":"ObjectExpression")},ve.parseProperty=function(e,t){var r,i,n,s,a=this.startNode();if(9<=this.options.ecmaVersion&&this.eat(q.ellipsis))return e?(a.argument=this.parseIdent(!1),this.type===q.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.finishNode(a,"RestElement")):(this.type===q.parenL&&t&&(t.parenthesizedAssign<0&&(t.parenthesizedAssign=this.start),t.parenthesizedBind<0&&(t.parenthesizedBind=this.start)),a.argument=this.parseMaybeAssign(!1,t),this.type===q.comma&&t&&t.trailingComma<0&&(t.trailingComma=this.start),this.finishNode(a,"SpreadElement"));6<=this.options.ecmaVersion&&(a.method=!1,a.shorthand=!1,(e||t)&&(n=this.start,s=this.startLoc),e||(r=this.eat(q.star)));var o=this.containsEsc;return this.parsePropertyName(a),!e&&!o&&8<=this.options.ecmaVersion&&!r&&this.isAsyncProp(a)?(i=!0,r=9<=this.options.ecmaVersion&&this.eat(q.star),this.parsePropertyName(a,t)):i=!1,this.parsePropertyValue(a,e,r,i,n,s,t,o),this.finishNode(a,"Property")},ve.parsePropertyValue=function(e,t,r,i,n,s,a,o){var c,h;(r||i)&&this.type===q.colon&&this.unexpected(),this.eat(q.colon)?(e.value=t?this.parseMaybeDefault(this.start,this.startLoc):this.parseMaybeAssign(!1,a),e.kind="init"):6<=this.options.ecmaVersion&&this.type===q.parenL?(t&&this.unexpected(),e.kind="init",e.method=!0,e.value=this.parseMethod(r,i)):t||o||!(5<=this.options.ecmaVersion)||e.computed||"Identifier"!==e.key.type||"get"!==e.key.name&&"set"!==e.key.name||this.type===q.comma||this.type===q.braceR?6<=this.options.ecmaVersion&&!e.computed&&"Identifier"===e.key.type?((r||i)&&this.unexpected(),this.checkUnreserved(e.key),"await"!==e.key.name||this.awaitIdentPos||(this.awaitIdentPos=n),e.kind="init",t?e.value=this.parseMaybeDefault(n,s,e.key):this.type===q.eq&&a?(a.shorthandAssign<0&&(a.shorthandAssign=this.start),e.value=this.parseMaybeDefault(n,s,e.key)):e.value=e.key,e.shorthand=!0):this.unexpected():((r||i)&&this.unexpected(),e.kind=e.key.name,this.parsePropertyName(e),e.value=this.parseMethod(!1),c="get"===e.kind?0:1,e.value.params.length!==c?(h=e.value.start,"get"===e.kind?this.raiseRecoverable(h,"getter should have no params"):this.raiseRecoverable(h,"setter should have exactly one param")):"set"===e.kind&&"RestElement"===e.value.params[0].type&&this.raiseRecoverable(e.value.params[0].start,"Setter cannot use rest params"))},ve.parsePropertyName=function(e){if(6<=this.options.ecmaVersion){if(this.eat(q.bracketL))return e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(q.bracketR),e.key;e.computed=!1}return e.key=this.type===q.num||this.type===q.string?this.parseExprAtom():this.parseIdent("never"!==this.options.allowReserved)},ve.initFunction=function(e){e.id=null,6<=this.options.ecmaVersion&&(e.generator=e.expression=!1),8<=this.options.ecmaVersion&&(e.async=!1)},ve.parseMethod=function(e,t,r){var i=this.startNode(),n=this.yieldPos,s=this.awaitPos,a=this.awaitIdentPos;return this.initFunction(i),6<=this.options.ecmaVersion&&(i.generator=e),8<=this.options.ecmaVersion&&(i.async=!!t),this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,this.enterScope(64|se(t,i.generator)|(r?128:0)),this.expect(q.parenL),i.params=this.parseBindingList(q.parenR,!1,8<=this.options.ecmaVersion),this.checkYieldAwaitInDefaultParams(),this.parseFunctionBody(i,!1,!0),this.yieldPos=n,this.awaitPos=s,this.awaitIdentPos=a,this.finishNode(i,"FunctionExpression")},ve.parseArrowExpression=function(e,t,r){var i=this.yieldPos,n=this.awaitPos,s=this.awaitIdentPos;return this.enterScope(16|se(r,!1)),this.initFunction(e),8<=this.options.ecmaVersion&&(e.async=!!r),this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,e.params=this.toAssignableList(t,!0),this.parseFunctionBody(e,!0,!1),this.yieldPos=i,this.awaitPos=n,this.awaitIdentPos=s,this.finishNode(e,"ArrowFunctionExpression")},ve.parseFunctionBody=function(e,t,r){var i,n,s=t&&this.type!==q.braceL,a=this.strict,o=!1;s?(e.body=this.parseMaybeAssign(),e.expression=!0,this.checkParams(e,!1)):(i=7<=this.options.ecmaVersion&&!this.isSimpleParamList(e.params),a&&!i||(o=this.strictDirective(this.end))&&i&&this.raiseRecoverable(e.start,"Illegal 'use strict' directive in function with non-simple parameter list"),n=this.labels,this.labels=[],o&&(this.strict=!0),this.checkParams(e,!a&&!o&&!t&&!r&&this.isSimpleParamList(e.params)),e.body=this.parseBlock(!1),e.expression=!1,this.adaptDirectivePrologue(e.body.body),this.labels=n),this.exitScope(),this.strict&&e.id&&this.checkLVal(e.id,5),this.strict=a},ve.isSimpleParamList=function(e){for(var t=0,r=e;t<r.length;t+=1){if("Identifier"!==r[t].type)return!1}return!0},ve.checkParams=function(e,t){for(var r={},i=0,n=e.params;i<n.length;i+=1){var s=n[i];this.checkLVal(s,1,t?null:r)}},ve.parseExprList=function(e,t,r,i){for(var n=[],s=!0;!this.eat(e);){if(s)s=!1;else if(this.expect(q.comma),t&&this.afterTrailingComma(e))break;var a=void 0;r&&this.type===q.comma?a=null:this.type===q.ellipsis?(a=this.parseSpread(i),i&&this.type===q.comma&&i.trailingComma<0&&(i.trailingComma=this.start)):a=this.parseMaybeAssign(!1,i),n.push(a)}return n},ve.checkUnreserved=function(e){var t=e.start,r=e.end,i=e.name;this.inGenerator&&"yield"===i&&this.raiseRecoverable(t,"Cannot use 'yield' as identifier inside a generator"),this.inAsync&&"await"===i&&this.raiseRecoverable(t,"Cannot use 'await' as identifier inside an async function"),this.keywords.test(i)&&this.raise(t,"Unexpected keyword '"+i+"'"),this.options.ecmaVersion<6&&-1!==this.input.slice(t,r).indexOf("\\")||(this.strict?this.reservedWordsStrict:this.reservedWords).test(i)&&(this.inAsync||"await"!==i||this.raiseRecoverable(t,"Cannot use keyword 'await' outside an async function"),this.raiseRecoverable(t,"The keyword '"+i+"' is reserved"))},ve.parseIdent=function(e,t){var r=this.startNode();return this.type===q.name?r.name=this.value:this.type.keyword?(r.name=this.type.keyword,"class"!==r.name&&"function"!==r.name||this.lastTokEnd===this.lastTokStart+1&&46===this.input.charCodeAt(this.lastTokStart)||this.context.pop()):this.unexpected(),this.next(),this.finishNode(r,"Identifier"),e||(this.checkUnreserved(r),"await"!==r.name||this.awaitIdentPos||(this.awaitIdentPos=r.start)),r},ve.parseYield=function(e){this.yieldPos||(this.yieldPos=this.start);var t=this.startNode();return this.next(),this.type===q.semi||this.canInsertSemicolon()||this.type!==q.star&&!this.type.startsExpr?(t.delegate=!1,t.argument=null):(t.delegate=this.eat(q.star),t.argument=this.parseMaybeAssign(e)),this.finishNode(t,"YieldExpression")},ve.parseAwait=function(){this.awaitPos||(this.awaitPos=this.start);var e=this.startNode();return this.next(),e.argument=this.parseMaybeUnary(null,!0),this.finishNode(e,"AwaitExpression")};var be=ae.prototype;be.raise=function(e,t){var r=re(this.input,e);t+=" ("+r.line+":"+r.column+")";var i=new SyntaxError(t);throw i.pos=e,i.loc=r,i.raisedAt=this.pos,i},be.raiseRecoverable=be.raise,be.curPosition=function(){if(this.options.locations)return new ee(this.curLine,this.pos-this.lineStart)};function we(e){this.flags=e,this.var=[],this.lexical=[],this.functions=[]}var ke=ae.prototype;ke.enterScope=function(e){this.scopeStack.push(new we(e))},ke.exitScope=function(){this.scopeStack.pop()},ke.treatFunctionsAsVarInScope=function(e){return 2&e.flags||!this.inModule&&1&e.flags},ke.declareName=function(e,t,r){var i=!1;if(2===t){var n=this.currentScope(),i=-1<n.lexical.indexOf(e)||-1<n.functions.indexOf(e)||-1<n.var.indexOf(e);n.lexical.push(e),this.inModule&&1&n.flags&&delete this.undefinedExports[e]}else if(4===t){this.currentScope().lexical.push(e)}else if(3===t){var s=this.currentScope();i=this.treatFunctionsAsVar?-1<s.lexical.indexOf(e):-1<s.lexical.indexOf(e)||-1<s.var.indexOf(e),s.functions.push(e)}else for(var a=this.scopeStack.length-1;0<=a;--a){var o=this.scopeStack[a];if(-1<o.lexical.indexOf(e)&&!(32&o.flags&&o.lexical[0]===e)||!this.treatFunctionsAsVarInScope(o)&&-1<o.functions.indexOf(e)){i=!0;break}if(o.var.push(e),this.inModule&&1&o.flags&&delete this.undefinedExports[e],3&o.flags)break}i&&this.raiseRecoverable(r,"Identifier '"+e+"' has already been declared")},ke.checkLocalExport=function(e){-1===this.scopeStack[0].lexical.indexOf(e.name)&&-1===this.scopeStack[0].var.indexOf(e.name)&&(this.undefinedExports[e.name]=e)},ke.currentScope=function(){return this.scopeStack[this.scopeStack.length-1]},ke.currentVarScope=function(){for(var e=this.scopeStack.length-1;;e--){var t=this.scopeStack[e];if(3&t.flags)return t}},ke.currentThisScope=function(){for(var e=this.scopeStack.length-1;;e--){var t=this.scopeStack[e];if(3&t.flags&&!(16&t.flags))return t}};function _e(e,t,r){this.type="",this.start=t,this.end=0,e.options.locations&&(this.loc=new te(e,r)),e.options.directSourceFile&&(this.sourceFile=e.options.directSourceFile),e.options.ranges&&(this.range=[t,0])}var Se=ae.prototype;function Ee(e,t,r,i){return e.type=t,e.end=r,this.options.locations&&(e.loc.end=i),this.options.ranges&&(e.range[1]=r),e}Se.startNode=function(){return new _e(this,this.start,this.startLoc)},Se.startNodeAt=function(e,t){return new _e(this,e,t)},Se.finishNode=function(e,t){return Ee.call(this,e,t,this.lastTokEnd,this.lastTokEndLoc)};function Ce(e,t,r,i,n){this.token=e,this.isExpr=!!t,this.preserveSpace=!!r,this.override=i,this.generator=!!n}var Ie={b_stat:new Ce("{",!(Se.finishNodeAt=function(e,t,r,i){return Ee.call(this,e,t,r,i)})),b_expr:new Ce("{",!0),b_tmpl:new Ce("${",!1),p_stat:new Ce("(",!1),p_expr:new Ce("(",!0),q_tmpl:new Ce("`",!0,!0,function(e){return e.tryReadTemplateToken()}),f_stat:new Ce("function",!1),f_expr:new Ce("function",!0),f_expr_gen:new Ce("function",!0,!1,null,!0),f_gen:new Ce("function",!1,!1,null,!0)},Ae=ae.prototype;Ae.initialContext=function(){return[Ie.b_stat]},Ae.braceIsBlock=function(e){var t=this.curContext();return t===Ie.f_expr||t===Ie.f_stat||(e!==q.colon||t!==Ie.b_stat&&t!==Ie.b_expr?e===q._return||e===q.name&&this.exprAllowed?W.test(this.input.slice(this.lastTokEnd,this.start)):e===q._else||e===q.semi||e===q.eof||e===q.parenR||e===q.arrow||(e===q.braceL?t===Ie.b_stat:e!==q._var&&e!==q._const&&e!==q.name&&!this.exprAllowed):!t.isExpr)},Ae.inGeneratorContext=function(){for(var e=this.context.length-1;1<=e;e--){var t=this.context[e];if("function"===t.token)return t.generator}return!1},Ae.updateContext=function(e){var t,r=this.type;r.keyword&&e===q.dot?this.exprAllowed=!1:(t=r.updateContext)?t.call(this,e):this.exprAllowed=r.beforeExpr},q.parenR.updateContext=q.braceR.updateContext=function(){var e;1!==this.context.length?((e=this.context.pop())===Ie.b_stat&&"function"===this.curContext().token&&(e=this.context.pop()),this.exprAllowed=!e.isExpr):this.exprAllowed=!0},q.braceL.updateContext=function(e){this.context.push(this.braceIsBlock(e)?Ie.b_stat:Ie.b_expr),this.exprAllowed=!0},q.dollarBraceL.updateContext=function(){this.context.push(Ie.b_tmpl),this.exprAllowed=!0},q.parenL.updateContext=function(e){var t=e===q._if||e===q._for||e===q._with||e===q._while;this.context.push(t?Ie.p_stat:Ie.p_expr),this.exprAllowed=!0},q.incDec.updateContext=function(){},q._function.updateContext=q._class.updateContext=function(e){!e.beforeExpr||e===q.semi||e===q._else||e===q._return&&W.test(this.input.slice(this.lastTokEnd,this.start))||(e===q.colon||e===q.braceL)&&this.curContext()===Ie.b_stat?this.context.push(Ie.f_stat):this.context.push(Ie.f_expr),this.exprAllowed=!1},q.backQuote.updateContext=function(){this.curContext()===Ie.q_tmpl?this.context.pop():this.context.push(Ie.q_tmpl),this.exprAllowed=!1},q.star.updateContext=function(e){var t;e===q._function&&(t=this.context.length-1,this.context[t]===Ie.f_expr?this.context[t]=Ie.f_expr_gen:this.context[t]=Ie.f_gen),this.exprAllowed=!0},q.name.updateContext=function(e){var t=!1;6<=this.options.ecmaVersion&&e!==q.dot&&("of"===this.value&&!this.exprAllowed||"yield"===this.value&&this.inGeneratorContext())&&(t=!0),this.exprAllowed=t};var Pe="ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Assigned Bidi_Control Bidi_C Bidi_Mirrored Bidi_M Case_Ignorable CI Cased Changes_When_Casefolded CWCF Changes_When_Casemapped CWCM Changes_When_Lowercased CWL Changes_When_NFKC_Casefolded CWKCF Changes_When_Titlecased CWT Changes_When_Uppercased CWU Dash Default_Ignorable_Code_Point DI Deprecated Dep Diacritic Dia Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Extender Ext Grapheme_Base Gr_Base Grapheme_Extend Gr_Ext Hex_Digit Hex IDS_Binary_Operator IDSB IDS_Trinary_Operator IDST ID_Continue IDC ID_Start IDS Ideographic Ideo Join_Control Join_C Logical_Order_Exception LOE Lowercase Lower Math Noncharacter_Code_Point NChar Pattern_Syntax Pat_Syn Pattern_White_Space Pat_WS Quotation_Mark QMark Radical Regional_Indicator RI Sentence_Terminal STerm Soft_Dotted SD Terminal_Punctuation Term Unified_Ideograph UIdeo Uppercase Upper Variation_Selector VS White_Space space XID_Continue XIDC XID_Start XIDS",Te=Pe+" 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e<=65535?String.fromCharCode(e):(e-=65536,String.fromCharCode(55296+(e>>10),56320+(1023&e)))}function je(e){return 36===e||40<=e&&e<=43||46===e||63===e||91<=e&&e<=94||123<=e&&e<=125}function qe(e){return 65<=e&&e<=90||97<=e&&e<=122}function We(e){return qe(e)||95===e}function Ge(e){return 48<=e&&e<=57}function He(e){return 48<=e&&e<=57||65<=e&&e<=70||97<=e&&e<=102}function ze(e){return 65<=e&&e<=70?e-65+10:97<=e&&e<=102?e-97+10:e-48}function Ke(e){return 48<=e&&e<=55}De.prototype.reset=function(e,t,r){var i=-1!==r.indexOf("u");this.start=0|e,this.source=t+"",this.flags=r,this.switchU=i&&6<=this.parser.options.ecmaVersion,this.switchN=i&&9<=this.parser.options.ecmaVersion},De.prototype.raise=function(e){this.parser.raiseRecoverable(this.start,"Invalid regular expression: /"+this.source+"/: "+e)},De.prototype.at=function(e){var t=this.source,r=t.length;if(r<=e)return-1;var i=t.charCodeAt(e);if(!this.switchU||i<=55295||57344<=i||r<=e+1)return i;var n=t.charCodeAt(e+1);return 56320<=n&&n<=57343?(i<<10)+n-56613888:i},De.prototype.nextIndex=function(e){var t=this.source,r=t.length;if(r<=e)return r;var i,n=t.charCodeAt(e);return!this.switchU||n<=55295||57344<=n||r<=e+1||(i=t.charCodeAt(e+1))<56320||57343<i?e+1:e+2},De.prototype.current=function(){return this.at(this.pos)},De.prototype.lookahead=function(){return this.at(this.nextIndex(this.pos))},De.prototype.advance=function(){this.pos=this.nextIndex(this.pos)},De.prototype.eat=function(e){return this.current()===e&&(this.advance(),!0)},Ue.validateRegExpFlags=function(e){for(var t=e.validFlags,r=e.flags,i=0;i<r.length;i++){var n=r.charAt(i);-1===t.indexOf(n)&&this.raise(e.start,"Invalid regular expression flag"),-1<r.indexOf(n,i+1)&&this.raise(e.start,"Duplicate regular expression flag")}},Ue.validateRegExpPattern=function(e){this.regexp_pattern(e),!e.switchN&&9<=this.options.ecmaVersion&&0<e.groupNames.length&&(e.switchN=!0,this.regexp_pattern(e))},Ue.regexp_pattern=function(e){e.pos=0,e.lastIntValue=0,e.lastStringValue="",e.lastAssertionIsQuantifiable=!1,e.numCapturingParens=0,e.maxBackReference=0,e.groupNames.length=0,e.backReferenceNames.length=0,this.regexp_disjunction(e),e.pos!==e.source.length&&(e.eat(41)&&e.raise("Unmatched ')'"),(e.eat(93)||e.eat(125))&&e.raise("Lone quantifier brackets")),e.maxBackReference>e.numCapturingParens&&e.raise("Invalid escape");for(var t=0,r=e.backReferenceNames;t<r.length;t+=1){var i=r[t];-1===e.groupNames.indexOf(i)&&e.raise("Invalid named capture referenced")}},Ue.regexp_disjunction=function(e){for(this.regexp_alternative(e);e.eat(124);)this.regexp_alternative(e);this.regexp_eatQuantifier(e,!0)&&e.raise("Nothing to repeat"),e.eat(123)&&e.raise("Lone quantifier 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e.eat(42)||e.eat(43)||e.eat(63)||this.regexp_eatBracedQuantifier(e,t)},Ue.regexp_eatBracedQuantifier=function(e,t){var r=e.pos;if(e.eat(123)){var i=0,n=-1;if(this.regexp_eatDecimalDigits(e)&&(i=e.lastIntValue,e.eat(44)&&this.regexp_eatDecimalDigits(e)&&(n=e.lastIntValue),e.eat(125)))return-1!==n&&n<i&&!t&&e.raise("numbers out of order in {} quantifier"),!0;e.switchU&&!t&&e.raise("Incomplete quantifier"),e.pos=r}return!1},Ue.regexp_eatAtom=function(e){return this.regexp_eatPatternCharacters(e)||e.eat(46)||this.regexp_eatReverseSolidusAtomEscape(e)||this.regexp_eatCharacterClass(e)||this.regexp_eatUncapturingGroup(e)||this.regexp_eatCapturingGroup(e)},Ue.regexp_eatReverseSolidusAtomEscape=function(e){var t=e.pos;if(e.eat(92)){if(this.regexp_eatAtomEscape(e))return!0;e.pos=t}return!1},Ue.regexp_eatUncapturingGroup=function(e){var t=e.pos;if(e.eat(40)){if(e.eat(63)&&e.eat(58)){if(this.regexp_disjunction(e),e.eat(41))return!0;e.raise("Unterminated group")}e.pos=t}return!1},Ue.regexp_eatCapturingGroup=function(e){if(e.eat(40)){if(9<=this.options.ecmaVersion?this.regexp_groupSpecifier(e):63===e.current()&&e.raise("Invalid group"),this.regexp_disjunction(e),e.eat(41))return e.numCapturingParens+=1,!0;e.raise("Unterminated group")}return!1},Ue.regexp_eatExtendedAtom=function(e){return e.eat(46)||this.regexp_eatReverseSolidusAtomEscape(e)||this.regexp_eatCharacterClass(e)||this.regexp_eatUncapturingGroup(e)||this.regexp_eatCapturingGroup(e)||this.regexp_eatInvalidBracedQuantifier(e)||this.regexp_eatExtendedPatternCharacter(e)},Ue.regexp_eatInvalidBracedQuantifier=function(e){return this.regexp_eatBracedQuantifier(e,!0)&&e.raise("Nothing to repeat"),!1},Ue.regexp_eatSyntaxCharacter=function(e){var t=e.current();return!!je(t)&&(e.lastIntValue=t,e.advance(),!0)},Ue.regexp_eatPatternCharacters=function(e){for(var t=e.pos,r=0;-1!==(r=e.current())&&!je(r);)e.advance();return e.pos!==t},Ue.regexp_eatExtendedPatternCharacter=function(e){var t=e.current();return!(-1===t||36===t||40<=t&&t<=43||46===t||63===t||91===t||94===t||124===t)&&(e.advance(),!0)},Ue.regexp_groupSpecifier=function(e){if(e.eat(63)){if(this.regexp_eatGroupName(e))return-1!==e.groupNames.indexOf(e.lastStringValue)&&e.raise("Duplicate capture group name"),void e.groupNames.push(e.lastStringValue);e.raise("Invalid group")}},Ue.regexp_eatGroupName=function(e){if(e.lastStringValue="",e.eat(60)){if(this.regexp_eatRegExpIdentifierName(e)&&e.eat(62))return!0;e.raise("Invalid capture group name")}return!1},Ue.regexp_eatRegExpIdentifierName=function(e){if(e.lastStringValue="",this.regexp_eatRegExpIdentifierStart(e)){for(e.lastStringValue+=Fe(e.lastIntValue);this.regexp_eatRegExpIdentifierPart(e);)e.lastStringValue+=Fe(e.lastIntValue);return!0}return!1},Ue.regexp_eatRegExpIdentifierStart=function(e){var t,r=e.pos,i=e.current();return e.advance(),92===i&&this.regexp_eatRegExpUnicodeEscapeSequence(e)&&(i=e.lastIntValue),R(t=i,!0)||36===t||95===t?(e.lastIntValue=i,!0):(e.pos=r,!1)},Ue.regexp_eatRegExpIdentifierPart=function(e){var t,r=e.pos,i=e.current();return e.advance(),92===i&&this.regexp_eatRegExpUnicodeEscapeSequence(e)&&(i=e.lastIntValue),B(t=i,!0)||36===t||95===t||8204===t||8205===t?(e.lastIntValue=i,!0):(e.pos=r,!1)},Ue.regexp_eatAtomEscape=function(e){return!!(this.regexp_eatBackReference(e)||this.regexp_eatCharacterClassEscape(e)||this.regexp_eatCharacterEscape(e)||e.switchN&&this.regexp_eatKGroupName(e))||(e.switchU&&(99===e.current()&&e.raise("Invalid unicode escape"),e.raise("Invalid escape")),!1)},Ue.regexp_eatBackReference=function(e){var t=e.pos;if(this.regexp_eatDecimalEscape(e)){var r=e.lastIntValue;if(e.switchU)return r>e.maxBackReference&&(e.maxBackReference=r),!0;if(r<=e.numCapturingParens)return!0;e.pos=t}return!1},Ue.regexp_eatKGroupName=function(e){if(e.eat(107)){if(this.regexp_eatGroupName(e))return e.backReferenceNames.push(e.lastStringValue),!0;e.raise("Invalid named reference")}return!1},Ue.regexp_eatCharacterEscape=function(e){return this.regexp_eatControlEscape(e)||this.regexp_eatCControlLetter(e)||this.regexp_eatZero(e)||this.regexp_eatHexEscapeSequence(e)||this.regexp_eatRegExpUnicodeEscapeSequence(e)||!e.switchU&&this.regexp_eatLegacyOctalEscapeSequence(e)||this.regexp_eatIdentityEscape(e)},Ue.regexp_eatCControlLetter=function(e){var t=e.pos;if(e.eat(99)){if(this.regexp_eatControlLetter(e))return!0;e.pos=t}return!1},Ue.regexp_eatZero=function(e){return 48===e.current()&&!Ge(e.lookahead())&&(e.lastIntValue=0,e.advance(),!0)},Ue.regexp_eatControlEscape=function(e){var t=e.current();return 116===t?(e.lastIntValue=9,e.advance(),!0):110===t?(e.lastIntValue=10,e.advance(),!0):118===t?(e.lastIntValue=11,e.advance(),!0):102===t?(e.lastIntValue=12,e.advance(),!0):114===t&&(e.lastIntValue=13,e.advance(),!0)},Ue.regexp_eatControlLetter=function(e){var t=e.current();return!!qe(t)&&(e.lastIntValue=t%32,e.advance(),!0)},Ue.regexp_eatRegExpUnicodeEscapeSequence=function(e){var t,r=e.pos;if(e.eat(117)){if(this.regexp_eatFixedHexDigits(e,4)){var i=e.lastIntValue;if(e.switchU&&55296<=i&&i<=56319){var n=e.pos;if(e.eat(92)&&e.eat(117)&&this.regexp_eatFixedHexDigits(e,4)){var s=e.lastIntValue;if(56320<=s&&s<=57343)return e.lastIntValue=1024*(i-55296)+(s-56320)+65536,!0}e.pos=n,e.lastIntValue=i}return!0}if(e.switchU&&e.eat(123)&&this.regexp_eatHexDigits(e)&&e.eat(125)&&(0<=(t=e.lastIntValue)&&t<=1114111))return!0;e.switchU&&e.raise("Invalid unicode escape"),e.pos=r}return!1},Ue.regexp_eatIdentityEscape=function(e){if(e.switchU)return!!this.regexp_eatSyntaxCharacter(e)||!!e.eat(47)&&(e.lastIntValue=47,!0);var t=e.current();return!(99===t||e.switchN&&107===t)&&(e.lastIntValue=t,e.advance(),!0)},Ue.regexp_eatDecimalEscape=function(e){e.lastIntValue=0;var t=e.current();if(49<=t&&t<=57){for(;e.lastIntValue=10*e.lastIntValue+(t-48),e.advance(),48<=(t=e.current())&&t<=57;);return!0}return!1},Ue.regexp_eatCharacterClassEscape=function(e){var t,r=e.current();if(100===(t=r)||68===t||115===t||83===t||119===t||87===t)return e.lastIntValue=-1,e.advance(),!0;if(e.switchU&&9<=this.options.ecmaVersion&&(80===r||112===r)){if(e.lastIntValue=-1,e.advance(),e.eat(123)&&this.regexp_eatUnicodePropertyValueExpression(e)&&e.eat(125))return!0;e.raise("Invalid property name")}return!1},Ue.regexp_eatUnicodePropertyValueExpression=function(e){var t=e.pos;if(this.regexp_eatUnicodePropertyName(e)&&e.eat(61)){var r=e.lastStringValue;if(this.regexp_eatUnicodePropertyValue(e)){var i=e.lastStringValue;return this.regexp_validateUnicodePropertyNameAndValue(e,r,i),!0}}if(e.pos=t,this.regexp_eatLoneUnicodePropertyNameOrValue(e)){var n=e.lastStringValue;return this.regexp_validateUnicodePropertyNameOrValue(e,n),!0}return!1},Ue.regexp_validateUnicodePropertyNameAndValue=function(e,t,r){Y(e.unicodeProperties.nonBinary,t)||e.raise("Invalid property name"),e.unicodeProperties.nonBinary[t].test(r)||e.raise("Invalid property value")},Ue.regexp_validateUnicodePropertyNameOrValue=function(e,t){e.unicodeProperties.binary.test(t)||e.raise("Invalid property name")},Ue.regexp_eatUnicodePropertyName=function(e){var t=0;for(e.lastStringValue="";We(t=e.current());)e.lastStringValue+=Fe(t),e.advance();return""!==e.lastStringValue},Ue.regexp_eatUnicodePropertyValue=function(e){var t,r=0;for(e.lastStringValue="";We(t=r=e.current())||Ge(t);)e.lastStringValue+=Fe(r),e.advance();return""!==e.lastStringValue},Ue.regexp_eatLoneUnicodePropertyNameOrValue=function(e){return this.regexp_eatUnicodePropertyValue(e)},Ue.regexp_eatCharacterClass=function(e){if(e.eat(91)){if(e.eat(94),this.regexp_classRanges(e),e.eat(93))return!0;e.raise("Unterminated character class")}return!1},Ue.regexp_classRanges=function(e){for(;this.regexp_eatClassAtom(e);){var t,r=e.lastIntValue;e.eat(45)&&this.regexp_eatClassAtom(e)&&(t=e.lastIntValue,!e.switchU||-1!==r&&-1!==t||e.raise("Invalid character class"),-1!==r&&-1!==t&&t<r&&e.raise("Range out of order in character class"))}},Ue.regexp_eatClassAtom=function(e){var t,r=e.pos;if(e.eat(92)){if(this.regexp_eatClassEscape(e))return!0;e.switchU&&(99!==(t=e.current())&&!Ke(t)||e.raise("Invalid class escape"),e.raise("Invalid escape")),e.pos=r}var i=e.current();return 93!==i&&(e.lastIntValue=i,e.advance(),!0)},Ue.regexp_eatClassEscape=function(e){var t=e.pos;if(e.eat(98))return e.lastIntValue=8,!0;if(e.switchU&&e.eat(45))return e.lastIntValue=45,!0;if(!e.switchU&&e.eat(99)){if(this.regexp_eatClassControlLetter(e))return!0;e.pos=t}return this.regexp_eatCharacterClassEscape(e)||this.regexp_eatCharacterEscape(e)},Ue.regexp_eatClassControlLetter=function(e){var t=e.current();return!(!Ge(t)&&95!==t)&&(e.lastIntValue=t%32,e.advance(),!0)},Ue.regexp_eatHexEscapeSequence=function(e){var t=e.pos;if(e.eat(120)){if(this.regexp_eatFixedHexDigits(e,2))return!0;e.switchU&&e.raise("Invalid escape"),e.pos=t}return!1},Ue.regexp_eatDecimalDigits=function(e){var t=e.pos,r=0;for(e.lastIntValue=0;Ge(r=e.current());)e.lastIntValue=10*e.lastIntValue+(r-48),e.advance();return e.pos!==t},Ue.regexp_eatHexDigits=function(e){var t=e.pos,r=0;for(e.lastIntValue=0;He(r=e.current());)e.lastIntValue=16*e.lastIntValue+ze(r),e.advance();return e.pos!==t},Ue.regexp_eatLegacyOctalEscapeSequence=function(e){if(this.regexp_eatOctalDigit(e)){var t,r=e.lastIntValue;return this.regexp_eatOctalDigit(e)?(t=e.lastIntValue,r<=3&&this.regexp_eatOctalDigit(e)?e.lastIntValue=64*r+8*t+e.lastIntValue:e.lastIntValue=8*r+t):e.lastIntValue=r,!0}return!1},Ue.regexp_eatOctalDigit=function(e){var t=e.current();return Ke(t)?(e.lastIntValue=t-48,e.advance(),!0):(e.lastIntValue=0,!1)},Ue.regexp_eatFixedHexDigits=function(e,t){for(var r=e.pos,i=e.lastIntValue=0;i<t;++i){var n=e.current();if(!He(n))return e.pos=r,!1;e.lastIntValue=16*e.lastIntValue+ze(n),e.advance()}return!0};function Qe(e){this.type=e.type,this.value=e.value,this.start=e.start,this.end=e.end,e.options.locations&&(this.loc=new te(e,e.startLoc,e.endLoc)),e.options.ranges&&(this.range=[e.start,e.end])}var Xe=ae.prototype;function Je(e){return e<=65535?String.fromCharCode(e):(e-=65536,String.fromCharCode(55296+(e>>10),56320+(1023&e)))}Xe.next=function(){this.options.onToken&&this.options.onToken(new Qe(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()},Xe.getToken=function(){return this.next(),new Qe(this)},"undefined"!=typeof Symbol&&(Xe[Symbol.iterator]=function(){var t=this;return{next:function(){var e=t.getToken();return{done:e.type===q.eof,value:e}}}}),Xe.curContext=function(){return this.context[this.context.length-1]},Xe.nextToken=function(){var e=this.curContext();return e&&e.preserveSpace||this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length?this.finishToken(q.eof):e.override?e.override(this):void this.readToken(this.fullCharCodeAtPos())},Xe.readToken=function(e){return R(e,6<=this.options.ecmaVersion)||92===e?this.readWord():this.getTokenFromCode(e)},Xe.fullCharCodeAtPos=function(){var e=this.input.charCodeAt(this.pos);return e<=55295||57344<=e?e:(e<<10)+this.input.charCodeAt(this.pos+1)-56613888},Xe.skipBlockComment=function(){var e,t=this.options.onComment&&this.curPosition(),r=this.pos,i=this.input.indexOf("*/",this.pos+=2);if(-1===i&&this.raise(this.pos-2,"Unterminated comment"),this.pos=i+2,this.options.locations)for(G.lastIndex=r;(e=G.exec(this.input))&&e.index<this.pos;)++this.curLine,this.lineStart=e.index+e[0].length;this.options.onComment&&this.options.onComment(!0,this.input.slice(r+2,i),r,this.pos,t,this.curPosition())},Xe.skipLineComment=function(e){for(var t=this.pos,r=this.options.onComment&&this.curPosition(),i=this.input.charCodeAt(this.pos+=e);this.pos<this.input.length&&!H(i);)i=this.input.charCodeAt(++this.pos);this.options.onComment&&this.options.onComment(!1,this.input.slice(t+e,this.pos),t,this.pos,r,this.curPosition())},Xe.skipSpace=function(){e:for(;this.pos<this.input.length;){var e=this.input.charCodeAt(this.pos);switch(e){case 32:case 160:++this.pos;break;case 13:10===this.input.charCodeAt(this.pos+1)&&++this.pos;case 10:case 8232:case 8233:++this.pos,this.options.locations&&(++this.curLine,this.lineStart=this.pos);break;case 47:switch(this.input.charCodeAt(this.pos+1)){case 42:this.skipBlockComment();break;case 47:this.skipLineComment(2);break;default:break e}break;default:if(!(8<e&&e<14||5760<=e&&z.test(String.fromCharCode(e))))break e;++this.pos}}},Xe.finishToken=function(e,t){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var r=this.type;this.type=e,this.value=t,this.updateContext(r)},Xe.readToken_dot=function(){var e=this.input.charCodeAt(this.pos+1);if(48<=e&&e<=57)return this.readNumber(!0);var t=this.input.charCodeAt(this.pos+2);return 6<=this.options.ecmaVersion&&46===e&&46===t?(this.pos+=3,this.finishToken(q.ellipsis)):(++this.pos,this.finishToken(q.dot))},Xe.readToken_slash=function(){var e=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):61===e?this.finishOp(q.assign,2):this.finishOp(q.slash,1)},Xe.readToken_mult_modulo_exp=function(e){var t=this.input.charCodeAt(this.pos+1),r=1,i=42===e?q.star:q.modulo;return 7<=this.options.ecmaVersion&&42===e&&42===t&&(++r,i=q.starstar,t=this.input.charCodeAt(this.pos+2)),61===t?this.finishOp(q.assign,r+1):this.finishOp(i,r)},Xe.readToken_pipe_amp=function(e){var t=this.input.charCodeAt(this.pos+1);return t===e?this.finishOp(124===e?q.logicalOR:q.logicalAND,2):61===t?this.finishOp(q.assign,2):this.finishOp(124===e?q.bitwiseOR:q.bitwiseAND,1)},Xe.readToken_caret=function(){return 61===this.input.charCodeAt(this.pos+1)?this.finishOp(q.assign,2):this.finishOp(q.bitwiseXOR,1)},Xe.readToken_plus_min=function(e){var t=this.input.charCodeAt(this.pos+1);return t===e?45!==t||this.inModule||62!==this.input.charCodeAt(this.pos+2)||0!==this.lastTokEnd&&!W.test(this.input.slice(this.lastTokEnd,this.pos))?this.finishOp(q.incDec,2):(this.skipLineComment(3),this.skipSpace(),this.nextToken()):61===t?this.finishOp(q.assign,2):this.finishOp(q.plusMin,1)},Xe.readToken_lt_gt=function(e){var t=this.input.charCodeAt(this.pos+1),r=1;return t===e?(r=62===e&&62===this.input.charCodeAt(this.pos+2)?3:2,61===this.input.charCodeAt(this.pos+r)?this.finishOp(q.assign,r+1):this.finishOp(q.bitShift,r)):33!==t||60!==e||this.inModule||45!==this.input.charCodeAt(this.pos+2)||45!==this.input.charCodeAt(this.pos+3)?(61===t&&(r=2),this.finishOp(q.relational,r)):(this.skipLineComment(4),this.skipSpace(),this.nextToken())},Xe.readToken_eq_excl=function(e){var t=this.input.charCodeAt(this.pos+1);return 61===t?this.finishOp(q.equality,61===this.input.charCodeAt(this.pos+2)?3:2):61===e&&62===t&&6<=this.options.ecmaVersion?(this.pos+=2,this.finishToken(q.arrow)):this.finishOp(61===e?q.eq:q.prefix,1)},Xe.getTokenFromCode=function(e){switch(e){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(q.parenL);case 41:return++this.pos,this.finishToken(q.parenR);case 59:return++this.pos,this.finishToken(q.semi);case 44:return++this.pos,this.finishToken(q.comma);case 91:return++this.pos,this.finishToken(q.bracketL);case 93:return++this.pos,this.finishToken(q.bracketR);case 123:return++this.pos,this.finishToken(q.braceL);case 125:return++this.pos,this.finishToken(q.braceR);case 58:return++this.pos,this.finishToken(q.colon);case 63:return++this.pos,this.finishToken(q.question);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(q.backQuote);case 48:var t=this.input.charCodeAt(this.pos+1);if(120===t||88===t)return this.readRadixNumber(16);if(6<=this.options.ecmaVersion){if(111===t||79===t)return this.readRadixNumber(8);if(98===t||66===t)return this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return this.readNumber(!1);case 34:case 39:return this.readString(e);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo_exp(e);case 124:case 38:return this.readToken_pipe_amp(e);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(e);case 60:case 62:return this.readToken_lt_gt(e);case 61:case 33:return this.readToken_eq_excl(e);case 126:return this.finishOp(q.prefix,1)}this.raise(this.pos,"Unexpected character '"+Je(e)+"'")},Xe.finishOp=function(e,t){var r=this.input.slice(this.pos,this.pos+t);return this.pos+=t,this.finishToken(e,r)},Xe.readRegexp=function(){for(var e,t,r=this.pos;;){this.pos>=this.input.length&&this.raise(r,"Unterminated regular expression");var i=this.input.charAt(this.pos);if(W.test(i)&&this.raise(r,"Unterminated regular expression"),e)e=!1;else{if("["===i)t=!0;else if("]"===i&&t)t=!1;else if("/"===i&&!t)break;e="\\"===i}++this.pos}var n=this.input.slice(r,this.pos);++this.pos;var s=this.pos,a=this.readWord1();this.containsEsc&&this.unexpected(s);var o=this.regexpState||(this.regexpState=new De(this));o.reset(r,n,a),this.validateRegExpFlags(o),this.validateRegExpPattern(o);var c=null;try{c=new RegExp(n,a)}catch(e){}return this.finishToken(q.regexp,{pattern:n,flags:a,value:c})},Xe.readInt=function(e,t){for(var r=this.pos,i=0,n=0,s=null==t?1/0:t;n<s;++n){var a=this.input.charCodeAt(this.pos),o=void 0;if(e<=(o=97<=a?a-97+10:65<=a?a-65+10:48<=a&&a<=57?a-48:1/0))break;++this.pos,i=i*e+o}return this.pos===r||null!=t&&this.pos-r!==t?null:i},Xe.readRadixNumber=function(e){var t=this.pos;this.pos+=2;var r=this.readInt(e);return null==r&&this.raise(this.start+2,"Expected number in radix "+e),11<=this.options.ecmaVersion&&110===this.input.charCodeAt(this.pos)?(r="undefined"!=typeof BigInt?BigInt(this.input.slice(t,this.pos)):null,++this.pos):R(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(q.num,r)},Xe.readNumber=function(e){var t=this.pos;e||null!==this.readInt(10)||this.raise(t,"Invalid number");var r=2<=this.pos-t&&48===this.input.charCodeAt(t);r&&this.strict&&this.raise(t,"Invalid number"),r&&/[89]/.test(this.input.slice(t,this.pos))&&(r=!1);var i=this.input.charCodeAt(this.pos);if(!r&&!e&&11<=this.options.ecmaVersion&&110===i){var n=this.input.slice(t,this.pos),s="undefined"!=typeof BigInt?BigInt(n):null;return++this.pos,R(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(q.num,s)}46!==i||r||(++this.pos,this.readInt(10),i=this.input.charCodeAt(this.pos)),69!==i&&101!==i||r||(43!==(i=this.input.charCodeAt(++this.pos))&&45!==i||++this.pos,null===this.readInt(10)&&this.raise(t,"Invalid number")),R(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var a=this.input.slice(t,this.pos),o=r?parseInt(a,8):parseFloat(a);return this.finishToken(q.num,o)},Xe.readCodePoint=function(){var e,t;return 123===this.input.charCodeAt(this.pos)?(this.options.ecmaVersion<6&&this.unexpected(),e=++this.pos,t=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,1114111<t&&this.invalidStringToken(e,"Code point out of bounds")):t=this.readHexChar(4),t},Xe.readString=function(e){for(var t="",r=++this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated string constant");var i=this.input.charCodeAt(this.pos);if(i===e)break;92===i?(t+=this.input.slice(r,this.pos),t+=this.readEscapedChar(!1),r=this.pos):(H(i,10<=this.options.ecmaVersion)&&this.raise(this.start,"Unterminated string constant"),++this.pos)}return t+=this.input.slice(r,this.pos++),this.finishToken(q.string,t)};var Ye={};Xe.tryReadTemplateToken=function(){this.inTemplateElement=!0;try{this.readTmplToken()}catch(e){if(e!==Ye)throw e;this.readInvalidTemplateToken()}this.inTemplateElement=!1},Xe.invalidStringToken=function(e,t){if(this.inTemplateElement&&9<=this.options.ecmaVersion)throw Ye;this.raise(e,t)},Xe.readTmplToken=function(){for(var e="",t=this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated template");var r=this.input.charCodeAt(this.pos);if(96===r||36===r&&123===this.input.charCodeAt(this.pos+1))return this.pos!==this.start||this.type!==q.template&&this.type!==q.invalidTemplate?(e+=this.input.slice(t,this.pos),this.finishToken(q.template,e)):36===r?(this.pos+=2,this.finishToken(q.dollarBraceL)):(++this.pos,this.finishToken(q.backQuote));if(92===r)e+=this.input.slice(t,this.pos),e+=this.readEscapedChar(!0),t=this.pos;else if(H(r)){switch(e+=this.input.slice(t,this.pos),++this.pos,r){case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(r)}this.options.locations&&(++this.curLine,this.lineStart=this.pos),t=this.pos}else++this.pos}},Xe.readInvalidTemplateToken=function(){for(;this.pos<this.input.length;this.pos++)switch(this.input[this.pos]){case"\\":++this.pos;break;case"$":if("{"!==this.input[this.pos+1])break;case"`":return this.finishToken(q.invalidTemplate,this.input.slice(this.start,this.pos))}this.raise(this.start,"Unterminated template")},Xe.readEscapedChar=function(e){var t=this.input.charCodeAt(++this.pos);switch(++this.pos,t){case 110:return"\n";case 114:return"\r";case 120:return String.fromCharCode(this.readHexChar(2));case 117:return Je(this.readCodePoint());case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 10:return this.options.locations&&(this.lineStart=this.pos,++this.curLine),"";default:if(48<=t&&t<=55){var r=this.input.substr(this.pos-1,3).match(/^[0-7]+/)[0],i=parseInt(r,8);return 255<i&&(r=r.slice(0,-1),i=parseInt(r,8)),this.pos+=r.length-1,t=this.input.charCodeAt(this.pos),"0"===r&&56!==t&&57!==t||!this.strict&&!e||this.invalidStringToken(this.pos-1-r.length,e?"Octal literal in template string":"Octal literal in strict mode"),String.fromCharCode(i)}return H(t)?"":String.fromCharCode(t)}},Xe.readHexChar=function(e){var t=this.pos,r=this.readInt(16,e);return null===r&&this.invalidStringToken(t,"Bad character escape sequence"),r},Xe.readWord1=function(){for(var e="",t=!(this.containsEsc=!1),r=this.pos,i=6<=this.options.ecmaVersion;this.pos<this.input.length;){var n=this.fullCharCodeAtPos();if(B(n,i))this.pos+=n<=65535?1:2;else{if(92!==n)break;this.containsEsc=!0,e+=this.input.slice(r,this.pos);var s=this.pos;117!==this.input.charCodeAt(++this.pos)&&this.invalidStringToken(this.pos,"Expecting Unicode escape sequence \\uXXXX"),++this.pos;var a=this.readCodePoint();(t?R:B)(a,i)||this.invalidStringToken(s,"Invalid Unicode escape"),e+=Je(a),r=this.pos}t=!1}return e+this.input.slice(r,this.pos)},Xe.readWord=function(){var e=this.readWord1(),t=q.name;return this.keywords.test(e)&&(this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword "+e),t=F[e]),this.finishToken(t,e)};function Ze(e,t){return ae.parse(e,t)}ae.acorn={Parser:ae,version:"6.4.0",defaultOptions:ie,Position:ee,SourceLocation:te,getLineInfo:re,Node:_e,TokenType:O,tokTypes:q,keywordTypes:F,TokContext:Ce,tokContexts:Ie,isIdentifierChar:B,isIdentifierStart:R,Token:Qe,isNewLine:H,lineBreak:W,lineBreakG:G,nonASCIIwhitespace:z};var $e={RES:void 0},et={RES:void 0},tt=k("continue"),rt=k("break"),it=k("super"),nt=k("supercall"),st=k("noctor"),at=k("clsctor"),ot=k("newtarget"),ct=k("noinit"),ht=k("deadzone"),ut=(pt.prototype.get=function(){return this.value},pt.prototype.set=function(e){if("const"===this.kind)throw new TypeError("Assignment to constant variable");return this.value=e},pt);function pt(e,t){this.kind=e,this.value=t}var lt=(dt.prototype.get=function(){return this.object[this.property]},dt.prototype.set=function(e){return this.object[this.property]=e,!0},dt.prototype.del=function(){return delete this.object[this.property]},dt);function dt(e,t){this.object=e,this.property=t}var ft=(mt.prototype.global=function(){for(var e=this;e.parent;)e=e.parent;return e},mt.prototype.clone=function(){var e=new mt(this.parent,this.isolated);for(var t in this.context){var r=this.context[t];e[r.kind](t,r.get())}return e},mt.prototype.find=function(e){if(this.context[e])return this.context[e];if(this.parent)return this.parent.find(e);var t=this.global().find("window").get();return e in t?new lt(t,e):null},mt.prototype.var=function(e,t){for(var r=this;r.parent&&!r.isolated;)r=r.parent;var i,n=r.context[e];if(n){if("var"!==n.kind)throw new SyntaxError("Identifier '"+e+"' has already been declared");t!==ct&&n.set(t)}else r.context[e]=new ut("var",t===ct?void 0:t);r.parent||(i=r.find("window").get(),t!==ct&&m(i,e,{value:t,writable:!0,enumerable:!0}))},mt.prototype.let=function(e,t){var r=this.context[e];if(r&&r.get()!==ht)throw new SyntaxError("Identifier '"+e+"' has already been declared");this.context[e]=new ut("let",t)},mt.prototype.const=function(e,t){var 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