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this.options.onInsertedSemicolon&&this.options.onInsertedSemicolon(this.lastTokEnd,this.lastTokEndLoc),!0},H.semicolon=function(){this.eat(w.semi)||this.insertSemicolon()||this.unexpected()},H.afterTrailingComma=function(t,e){if(this.type===t)return this.options.onTrailingComma&&this.options.onTrailingComma(this.lastTokStart,this.lastTokStartLoc),e||this.next(),!0},H.expect=function(t){this.eat(t)||this.unexpected()},H.unexpected=function(t){this.raise(null!=t?t:this.start,"Unexpected token")},H.checkPatternErrors=function(t,e){if(t){t.trailingComma>-1&&this.raiseRecoverable(t.trailingComma,"Comma is not permitted after the rest element");var r=e?t.parenthesizedAssign:t.parenthesizedBind;r>-1&&this.raiseRecoverable(r,"Parenthesized pattern")}},H.checkExpressionErrors=function(t,e){if(!t)return!1;var r=t.shorthandAssign,i=t.doubleProto;if(!e)return r>=0||i>=0;r>=0&&this.raise(r,"Shorthand property assignments are valid only in destructuring patterns"),i>=0&&this.raiseRecoverable(i,"Redefinition of __proto__ property")},H.checkYieldAwaitInDefaultParams=function(){this.yieldPos&&(!this.awaitPos||this.yieldPos<this.awaitPos)&&this.raise(this.yieldPos,"Yield expression cannot be a default value"),this.awaitPos&&this.raise(this.awaitPos,"Await expression cannot be a default value")},H.isSimpleAssignTarget=function(t){return"ParenthesizedExpression"===t.type?this.isSimpleAssignTarget(t.expression):"Identifier"===t.type||"MemberExpression"===t.type};var q=D.prototype;q.parseTopLevel=function(t){var e={};for(t.body||(t.body=[]);this.type!==w.eof;){var r=this.parseStatement(null,!0,e);t.body.push(r)}if(this.inModule)for(var i=0,n=Object.keys(this.undefinedExports);i<n.length;i+=1){var s=n[i];this.raiseRecoverable(this.undefinedExports[s].start,"Export '"+s+"' is not defined")}return this.adaptDirectivePrologue(t.body),this.next(),t.sourceType=this.options.sourceType,this.finishNode(t,"Program")};var G={kind:"loop"},W={kind:"switch"};q.isLet=function(t){if(this.options.ecmaVersion<6||!this.isContextual("let"))return!1;S.lastIndex=this.pos;var e=S.exec(this.input),r=this.pos+e[0].length,i=this.input.charCodeAt(r);if(91===i)return!0;if(t)return!1;if(123===i)return!0;if(d(i,!0)){for(var n=r+1;m(this.input.charCodeAt(n),!0);)++n;var s=this.input.slice(r,n);if(!a.test(s))return!0}return!1},q.isAsyncFunction=function(){if(this.options.ecmaVersion<8||!this.isContextual("async"))return!1;S.lastIndex=this.pos;var t=S.exec(this.input),e=this.pos+t[0].length;return!(_.test(this.input.slice(this.pos,e))||"function"!==this.input.slice(e,e+8)||e+8!==this.input.length&&m(this.input.charAt(e+8)))},q.parseStatement=function(t,e,r){var i,n=this.type,s=this.startNode();switch(this.isLet(t)&&(n=w._var,i="let"),n){case w._break:case w._continue:return this.parseBreakContinueStatement(s,n.keyword);case w._debugger:return this.parseDebuggerStatement(s);case w._do:return this.parseDoStatement(s);case w._for:return this.parseForStatement(s);case w._function:return t&&(this.strict||"if"!==t&&"label"!==t)&&this.options.ecmaVersion>=6&&this.unexpected(),this.parseFunctionStatement(s,!1,!t);case w._class:return t&&this.unexpected(),this.parseClass(s,!0);case w._if:return this.parseIfStatement(s);case w._return:return this.parseReturnStatement(s);case w._switch:return this.parseSwitchStatement(s);case w._throw:return this.parseThrowStatement(s);case w._try:return this.parseTryStatement(s);case w._const:case w._var:return i=i||this.value,t&&"var"!==i&&this.unexpected(),this.parseVarStatement(s,i);case w._while:return this.parseWhileStatement(s);case w._with:return this.parseWithStatement(s);case w.braceL:return this.parseBlock(!0,s);case w.semi:return this.parseEmptyStatement(s);case w._export:case w._import:if(this.options.ecmaVersion>10&&n===w._import){S.lastIndex=this.pos;var a=S.exec(this.input),o=this.pos+a[0].length;if(40===this.input.charCodeAt(o))return this.parseExpressionStatement(s,this.parseExpression())}return this.options.allowImportExportEverywhere||(e||this.raise(this.start,"'import' and 'export' may only appear at the top level"),this.inModule||this.raise(this.start,"'import' and 'export' may appear only with 'sourceType: module'")),n===w._import?this.parseImport(s):this.parseExport(s,r);default:if(this.isAsyncFunction())return t&&this.unexpected(),this.next(),this.parseFunctionStatement(s,!0,!t);var c=this.value,h=this.parseExpression();return n===w.name&&"Identifier"===h.type&&this.eat(w.colon)?this.parseLabeledStatement(s,c,h,t):this.parseExpressionStatement(s,h)}},q.parseBreakContinueStatement=function(t,e){var r="break"===e;this.next(),this.eat(w.semi)||this.insertSemicolon()?t.label=null:this.type!==w.name?this.unexpected():(t.label=this.parseIdent(),this.semicolon());for(var i=0;i<this.labels.length;++i){var n=this.labels[i];if(null==t.label||n.name===t.label.name){if(null!=n.kind&&(r||"loop"===n.kind))break;if(t.label&&r)break}}return i===this.labels.length&&this.raise(t.start,"Unsyntactic "+e),this.finishNode(t,r?"BreakStatement":"ContinueStatement")},q.parseDebuggerStatement=function(t){return this.next(),this.semicolon(),this.finishNode(t,"DebuggerStatement")},q.parseDoStatement=function(t){return this.next(),this.labels.push(G),t.body=this.parseStatement("do"),this.labels.pop(),this.expect(w._while),t.test=this.parseParenExpression(),this.options.ecmaVersion>=6?this.eat(w.semi):this.semicolon(),this.finishNode(t,"DoWhileStatement")},q.parseForStatement=function(t){this.next();var e=this.options.ecmaVersion>=9&&(this.inAsync||!this.inFunction&&this.options.allowAwaitOutsideFunction)&&this.eatContextual("await")?this.lastTokStart:-1;if(this.labels.push(G),this.enterScope(0),this.expect(w.parenL),this.type===w.semi)return e>-1&&this.unexpected(e),this.parseFor(t,null);var r=this.isLet();if(this.type===w._var||this.type===w._const||r){var i=this.startNode(),n=r?"let":this.value;return this.next(),this.parseVar(i,!0,n),this.finishNode(i,"VariableDeclaration"),(this.type===w._in||this.options.ecmaVersion>=6&&this.isContextual("of"))&&1===i.declarations.length?(this.options.ecmaVersion>=9&&(this.type===w._in?e>-1&&this.unexpected(e):t.await=e>-1),this.parseForIn(t,i)):(e>-1&&this.unexpected(e),this.parseFor(t,i))}var s=new z,a=this.parseExpression(!0,s);return this.type===w._in||this.options.ecmaVersion>=6&&this.isContextual("of")?(this.options.ecmaVersion>=9&&(this.type===w._in?e>-1&&this.unexpected(e):t.await=e>-1),this.toAssignable(a,!1,s),this.checkLVal(a),this.parseForIn(t,a)):(this.checkExpressionErrors(s,!0),e>-1&&this.unexpected(e),this.parseFor(t,a))},q.parseFunctionStatement=function(t,e,r){return this.next(),this.parseFunction(t,J|(r?0:K),!1,e)},q.parseIfStatement=function(t){return this.next(),t.test=this.parseParenExpression(),t.consequent=this.parseStatement("if"),t.alternate=this.eat(w._else)?this.parseStatement("if"):null,this.finishNode(t,"IfStatement")},q.parseReturnStatement=function(t){return this.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.start,"'return' outside of function"),this.next(),this.eat(w.semi)||this.insertSemicolon()?t.argument=null:(t.argument=this.parseExpression(),this.semicolon()),this.finishNode(t,"ReturnStatement")},q.parseSwitchStatement=function(t){var e;this.next(),t.discriminant=this.parseParenExpression(),t.cases=[],this.expect(w.braceL),this.labels.push(W),this.enterScope(0);for(var r=!1;this.type!==w.braceR;)if(this.type===w._case||this.type===w._default){var i=this.type===w._case;e&&this.finishNode(e,"SwitchCase"),t.cases.push(e=this.startNode()),e.consequent=[],this.next(),i?e.test=this.parseExpression():(r&&this.raiseRecoverable(this.lastTokStart,"Multiple default clauses"),r=!0,e.test=null),this.expect(w.colon)}else e||this.unexpected(),e.consequent.push(this.parseStatement(null));return this.exitScope(),e&&this.finishNode(e,"SwitchCase"),this.next(),this.labels.pop(),this.finishNode(t,"SwitchStatement")},q.parseThrowStatement=function(t){return this.next(),_.test(this.input.slice(this.lastTokEnd,this.start))&&this.raise(this.lastTokEnd,"Illegal newline after throw"),t.argument=this.parseExpression(),this.semicolon(),this.finishNode(t,"ThrowStatement")};var X=[];q.parseTryStatement=function(t){if(this.next(),t.block=this.parseBlock(),t.handler=null,this.type===w._catch){var e=this.startNode();if(this.next(),this.eat(w.parenL)){e.param=this.parseBindingAtom();var r="Identifier"===e.param.type;this.enterScope(r?32:0),this.checkLVal(e.param,r?4:2),this.expect(w.parenR)}else this.options.ecmaVersion<10&&this.unexpected(),e.param=null,this.enterScope(0);e.body=this.parseBlock(!1),this.exitScope(),t.handler=this.finishNode(e,"CatchClause")}return t.finalizer=this.eat(w._finally)?this.parseBlock():null,t.handler||t.finalizer||this.raise(t.start,"Missing catch or finally clause"),this.finishNode(t,"TryStatement")},q.parseVarStatement=function(t,e){return this.next(),this.parseVar(t,!1,e),this.semicolon(),this.finishNode(t,"VariableDeclaration")},q.parseWhileStatement=function(t){return this.next(),t.test=this.parseParenExpression(),this.labels.push(G),t.body=this.parseStatement("while"),this.labels.pop(),this.finishNode(t,"WhileStatement")},q.parseWithStatement=function(t){return this.strict&&this.raise(this.start,"'with' in strict mode"),this.next(),t.object=this.parseParenExpression(),t.body=this.parseStatement("with"),this.finishNode(t,"WithStatement")},q.parseEmptyStatement=function(t){return this.next(),this.finishNode(t,"EmptyStatement")},q.parseLabeledStatement=function(t,e,r,i){for(var n=0,s=this.labels;n<s.length;n+=1)s[n].name===e&&this.raise(r.start,"Label '"+e+"' is already declared");for(var a=this.type.isLoop?"loop":this.type===w._switch?"switch":null,o=this.labels.length-1;o>=0;o--){var c=this.labels[o];if(c.statementStart!==t.start)break;c.statementStart=this.start,c.kind=a}return this.labels.push({name:e,kind:a,statementStart:this.start}),t.body=this.parseStatement(i?-1===i.indexOf("label")?i+"label":i:"label"),this.labels.pop(),t.label=r,this.finishNode(t,"LabeledStatement")},q.parseExpressionStatement=function(t,e){return t.expression=e,this.semicolon(),this.finishNode(t,"ExpressionStatement")},q.parseBlock=function(t,e){for(void 0===t&&(t=!0),void 0===e&&(e=this.startNode()),e.body=[],this.expect(w.braceL),t&&this.enterScope(0);!this.eat(w.braceR);){var r=this.parseStatement(null);e.body.push(r)}return t&&this.exitScope(),this.finishNode(e,"BlockStatement")},q.parseFor=function(t,e){return t.init=e,this.expect(w.semi),t.test=this.type===w.semi?null:this.parseExpression(),this.expect(w.semi),t.update=this.type===w.parenR?null:this.parseExpression(),this.expect(w.parenR),t.body=this.parseStatement("for"),this.exitScope(),this.labels.pop(),this.finishNode(t,"ForStatement")},q.parseForIn=function(t,e){var r=this.type===w._in;return this.next(),"VariableDeclaration"===e.type&&null!=e.declarations[0].init&&(!r||this.options.ecmaVersion<8||this.strict||"var"!==e.kind||"Identifier"!==e.declarations[0].id.type)?this.raise(e.start,(r?"for-in":"for-of")+" loop variable declaration may not have an initializer"):"AssignmentPattern"===e.type&&this.raise(e.start,"Invalid left-hand side in for-loop"),t.left=e,t.right=r?this.parseExpression():this.parseMaybeAssign(),this.expect(w.parenR),t.body=this.parseStatement("for"),this.exitScope(),this.labels.pop(),this.finishNode(t,r?"ForInStatement":"ForOfStatement")},q.parseVar=function(t,e,r){for(t.declarations=[],t.kind=r;;){var i=this.startNode();if(this.parseVarId(i,r),this.eat(w.eq)?i.init=this.parseMaybeAssign(e):"const"!==r||this.type===w._in||this.options.ecmaVersion>=6&&this.isContextual("of")?"Identifier"===i.id.type||e&&(this.type===w._in||this.isContextual("of"))?i.init=null:this.raise(this.lastTokEnd,"Complex binding patterns require an initialization value"):this.unexpected(),t.declarations.push(this.finishNode(i,"VariableDeclarator")),!this.eat(w.comma))break}return t},q.parseVarId=function(t,e){t.id=this.parseBindingAtom(),this.checkLVal(t.id,"var"===e?1:2,!1)};var J=1,K=2;q.parseFunction=function(t,e,r,i){this.initFunction(t),(this.options.ecmaVersion>=9||this.options.ecmaVersion>=6&&!i)&&(this.type===w.star&&e&K&&this.unexpected(),t.generator=this.eat(w.star)),this.options.ecmaVersion>=8&&(t.async=!!i),e&J&&(t.id=4&e&&this.type!==w.name?null:this.parseIdent(),!t.id||e&K||this.checkLVal(t.id,this.strict||t.generator||t.async?this.treatFunctionsAsVar?1:2:3));var n=this.yieldPos,s=this.awaitPos,a=this.awaitIdentPos;return this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,this.enterScope(M(t.async,t.generator)),e&J||(t.id=this.type===w.name?this.parseIdent():null),this.parseFunctionParams(t),this.parseFunctionBody(t,r,!1),this.yieldPos=n,this.awaitPos=s,this.awaitIdentPos=a,this.finishNode(t,e&J?"FunctionDeclaration":"FunctionExpression")},q.parseFunctionParams=function(t){this.expect(w.parenL),t.params=this.parseBindingList(w.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams()},q.parseClass=function(t,e){this.next();var r=this.strict;this.strict=!0,this.parseClassId(t,e),this.parseClassSuper(t);var i=this.startNode(),n=!1;for(i.body=[],this.expect(w.braceL);!this.eat(w.braceR);){var s=this.parseClassElement(null!==t.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 t.body=this.finishNode(i,"ClassBody"),this.strict=r,this.finishNode(t,e?"ClassDeclaration":"ClassExpression")},q.parseClassElement=function(t){var e=this;if(this.eat(w.semi))return null;var r=this.startNode(),i=function(t,i){void 0===i&&(i=!1);var n=e.start,s=e.startLoc;return!(!e.eatContextual(t)||(e.type===w.parenL||i&&e.canInsertSemicolon())&&(r.key&&e.unexpected(),r.computed=!1,r.key=e.startNodeAt(n,s),r.key.name=t,e.finishNode(r.key,"Identifier"),1))};r.kind="method",r.static=i("static");var n=this.eat(w.star),s=!1;n||(this.options.ecmaVersion>=8&&i("async",!0)?(s=!0,n=this.options.ecmaVersion>=9&&this.eat(w.star)):i("get")?r.kind="get":i("set")&&(r.kind="set")),r.key||this.parsePropertyName(r);var a=r.key,o=!1;return r.computed||r.static||!("Identifier"===a.type&&"constructor"===a.name||"Literal"===a.type&&"constructor"===a.value)?r.static&&"Identifier"===a.type&&"prototype"===a.name&&this.raise(a.start,"Classes may not have a static property named prototype"):("method"!==r.kind&&this.raise(a.start,"Constructor can't have get/set modifier"),n&&this.raise(a.start,"Constructor can't be a generator"),s&&this.raise(a.start,"Constructor can't be an async method"),r.kind="constructor",o=t),this.parseClassMethod(r,n,s,o),"get"===r.kind&&0!==r.value.params.length&&this.raiseRecoverable(r.value.start,"getter should have no params"),"set"===r.kind&&1!==r.value.params.length&&this.raiseRecoverable(r.value.start,"setter should have exactly one param"),"set"===r.kind&&"RestElement"===r.value.params[0].type&&this.raiseRecoverable(r.value.params[0].start,"Setter cannot use rest params"),r},q.parseClassMethod=function(t,e,r,i){return t.value=this.parseMethod(e,r,i),this.finishNode(t,"MethodDefinition")},q.parseClassId=function(t,e){this.type===w.name?(t.id=this.parseIdent(),e&&this.checkLVal(t.id,2,!1)):(!0===e&&this.unexpected(),t.id=null)},q.parseClassSuper=function(t){t.superClass=this.eat(w._extends)?this.parseExprSubscripts():null},q.parseExport=function(t,e){if(this.next(),this.eat(w.star))return this.expectContextual("from"),this.type!==w.string&&this.unexpected(),t.source=this.parseExprAtom(),this.semicolon(),this.finishNode(t,"ExportAllDeclaration");if(this.eat(w._default)){var r;if(this.checkExport(e,"default",this.lastTokStart),this.type===w._function||(r=this.isAsyncFunction())){var i=this.startNode();this.next(),r&&this.next(),t.declaration=this.parseFunction(i,4|J,!1,r)}else if(this.type===w._class){var n=this.startNode();t.declaration=this.parseClass(n,"nullableID")}else t.declaration=this.parseMaybeAssign(),this.semicolon();return this.finishNode(t,"ExportDefaultDeclaration")}if(this.shouldParseExportStatement())t.declaration=this.parseStatement(null),"VariableDeclaration"===t.declaration.type?this.checkVariableExport(e,t.declaration.declarations):this.checkExport(e,t.declaration.id.name,t.declaration.id.start),t.specifiers=[],t.source=null;else{if(t.declaration=null,t.specifiers=this.parseExportSpecifiers(e),this.eatContextual("from"))this.type!==w.string&&this.unexpected(),t.source=this.parseExprAtom();else{for(var s=0,a=t.specifiers;s<a.length;s+=1){var o=a[s];this.checkUnreserved(o.local),this.checkLocalExport(o.local)}t.source=null}this.semicolon()}return this.finishNode(t,"ExportNamedDeclaration")},q.checkExport=function(t,e,r){t&&(O(t,e)&&this.raiseRecoverable(r,"Duplicate export '"+e+"'"),t[e]=!0)},q.checkPatternExport=function(t,e){var r=e.type;if("Identifier"===r)this.checkExport(t,e.name,e.start);else if("ObjectPattern"===r)for(var i=0,n=e.properties;i<n.length;i+=1){var s=n[i];this.checkPatternExport(t,s)}else if("ArrayPattern"===r)for(var a=0,o=e.elements;a<o.length;a+=1){var c=o[a];c&&this.checkPatternExport(t,c)}else"Property"===r?this.checkPatternExport(t,e.value):"AssignmentPattern"===r?this.checkPatternExport(t,e.left):"RestElement"===r?this.checkPatternExport(t,e.argument):"ParenthesizedExpression"===r&&this.checkPatternExport(t,e.expression)},q.checkVariableExport=function(t,e){if(t)for(var r=0,i=e;r<i.length;r+=1){var n=i[r];this.checkPatternExport(t,n.id)}},q.shouldParseExportStatement=function(){return"var"===this.type.keyword||"const"===this.type.keyword||"class"===this.type.keyword||"function"===this.type.keyword||this.isLet()||this.isAsyncFunction()},q.parseExportSpecifiers=function(t){var e=[],r=!0;for(this.expect(w.braceL);!this.eat(w.braceR);){if(r)r=!1;else if(this.expect(w.comma),this.afterTrailingComma(w.braceR))break;var i=this.startNode();i.local=this.parseIdent(!0),i.exported=this.eatContextual("as")?this.parseIdent(!0):i.local,this.checkExport(t,i.exported.name,i.exported.start),e.push(this.finishNode(i,"ExportSpecifier"))}return e},q.parseImport=function(t){return this.next(),this.type===w.string?(t.specifiers=X,t.source=this.parseExprAtom()):(t.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),t.source=this.type===w.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(t,"ImportDeclaration")},q.parseImportSpecifiers=function(){var t=[],e=!0;if(this.type===w.name){var r=this.startNode();if(r.local=this.parseIdent(),this.checkLVal(r.local,2),t.push(this.finishNode(r,"ImportDefaultSpecifier")),!this.eat(w.comma))return t}if(this.type===w.star){var i=this.startNode();return this.next(),this.expectContextual("as"),i.local=this.parseIdent(),this.checkLVal(i.local,2),t.push(this.finishNode(i,"ImportNamespaceSpecifier")),t}for(this.expect(w.braceL);!this.eat(w.braceR);){if(e)e=!1;else if(this.expect(w.comma),this.afterTrailingComma(w.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),t.push(this.finishNode(n,"ImportSpecifier"))}return t},q.adaptDirectivePrologue=function(t){for(var e=0;e<t.length&&this.isDirectiveCandidate(t[e]);++e)t[e].directive=t[e].expression.raw.slice(1,-1)},q.isDirectiveCandidate=function(t){return"ExpressionStatement"===t.type&&"Literal"===t.expression.type&&"string"==typeof t.expression.value&&('"'===this.input[t.start]||"'"===this.input[t.start])};var $=D.prototype;$.toAssignable=function(t,e,r){if(this.options.ecmaVersion>=6&&t)switch(t.type){case"Identifier":this.inAsync&&"await"===t.name&&this.raise(t.start,"Cannot use 'await' as identifier inside an async function");break;case"ObjectPattern":case"ArrayPattern":case"RestElement":break;case"ObjectExpression":t.type="ObjectPattern",r&&this.checkPatternErrors(r,!0);for(var i=0,n=t.properties;i<n.length;i+=1){var s=n[i];this.toAssignable(s,e),"RestElement"!==s.type||"ArrayPattern"!==s.argument.type&&"ObjectPattern"!==s.argument.type||this.raise(s.argument.start,"Unexpected token")}break;case"Property":"init"!==t.kind&&this.raise(t.key.start,"Object pattern can't contain getter or setter"),this.toAssignable(t.value,e);break;case"ArrayExpression":t.type="ArrayPattern",r&&this.checkPatternErrors(r,!0),this.toAssignableList(t.elements,e);break;case"SpreadElement":t.type="RestElement",this.toAssignable(t.argument,e),"AssignmentPattern"===t.argument.type&&this.raise(t.argument.start,"Rest elements cannot have a default value");break;case"AssignmentExpression":"="!==t.operator&&this.raise(t.left.end,"Only '=' operator can be used for specifying default value."),t.type="AssignmentPattern",delete t.operator,this.toAssignable(t.left,e);case"AssignmentPattern":break;case"ParenthesizedExpression":this.toAssignable(t.expression,e,r);break;case"MemberExpression":if(!e)break;default:this.raise(t.start,"Assigning to rvalue")}else r&&this.checkPatternErrors(r,!0);return t},$.toAssignableList=function(t,e){for(var r=t.length,i=0;i<r;i++){var n=t[i];n&&this.toAssignable(n,e)}if(r){var s=t[r-1];6===this.options.ecmaVersion&&e&&s&&"RestElement"===s.type&&"Identifier"!==s.argument.type&&this.unexpected(s.argument.start)}return t},$.parseSpread=function(t){var e=this.startNode();return this.next(),e.argument=this.parseMaybeAssign(!1,t),this.finishNode(e,"SpreadElement")},$.parseRestBinding=function(){var t=this.startNode();return this.next(),6===this.options.ecmaVersion&&this.type!==w.name&&this.unexpected(),t.argument=this.parseBindingAtom(),this.finishNode(t,"RestElement")},$.parseBindingAtom=function(){if(this.options.ecmaVersion>=6)switch(this.type){case w.bracketL:var t=this.startNode();return this.next(),t.elements=this.parseBindingList(w.bracketR,!0,!0),this.finishNode(t,"ArrayPattern");case w.braceL:return this.parseObj(!0)}return this.parseIdent()},$.parseBindingList=function(t,e,r){for(var i=[],n=!0;!this.eat(t);)if(n?n=!1:this.expect(w.comma),e&&this.type===w.comma)i.push(null);else{if(r&&this.afterTrailingComma(t))break;if(this.type===w.ellipsis){var s=this.parseRestBinding();this.parseBindingListItem(s),i.push(s),this.type===w.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.expect(t);break}var a=this.parseMaybeDefault(this.start,this.startLoc);this.parseBindingListItem(a),i.push(a)}return i},$.parseBindingListItem=function(t){return t},$.parseMaybeDefault=function(t,e,r){if(r=r||this.parseBindingAtom(),this.options.ecmaVersion<6||!this.eat(w.eq))return r;var i=this.startNodeAt(t,e);return i.left=r,i.right=this.parseMaybeAssign(),this.finishNode(i,"AssignmentPattern")},$.checkLVal=function(t,e,r){switch(void 0===e&&(e=0),t.type){case"Identifier":2===e&&"let"===t.name&&this.raiseRecoverable(t.start,"let is disallowed as a lexically bound name"),this.strict&&this.reservedWordsStrictBind.test(t.name)&&this.raiseRecoverable(t.start,(e?"Binding ":"Assigning to ")+t.name+" in strict mode"),r&&(O(r,t.name)&&this.raiseRecoverable(t.start,"Argument name clash"),r[t.name]=!0),0!==e&&5!==e&&this.declareName(t.name,e,t.start);break;case"MemberExpression":e&&this.raiseRecoverable(t.start,"Binding member expression");break;case"ObjectPattern":for(var i=0,n=t.properties;i<n.length;i+=1){var s=n[i];this.checkLVal(s,e,r)}break;case"Property":this.checkLVal(t.value,e,r);break;case"ArrayPattern":for(var a=0,o=t.elements;a<o.length;a+=1){var c=o[a];c&&this.checkLVal(c,e,r)}break;case"AssignmentPattern":this.checkLVal(t.left,e,r);break;case"RestElement":this.checkLVal(t.argument,e,r);break;case"ParenthesizedExpression":this.checkLVal(t.expression,e,r);break;default:this.raise(t.start,(e?"Binding":"Assigning to")+" rvalue")}};var Q=D.prototype;Q.checkPropClash=function(t,e,r){if(!(this.options.ecmaVersion>=9&&"SpreadElement"===t.type||this.options.ecmaVersion>=6&&(t.computed||t.method||t.shorthand))){var i,n=t.key;switch(n.type){case"Identifier":i=n.name;break;case"Literal":i=String(n.value);break;default:return}var s=t.kind;if(this.options.ecmaVersion>=6)"__proto__"===i&&"init"===s&&(e.proto&&(r&&r.doubleProto<0?r.doubleProto=n.start:this.raiseRecoverable(n.start,"Redefinition of __proto__ property")),e.proto=!0);else{var a=e[i="$"+i];a?("init"===s?this.strict&&a.init||a.get||a.set:a.init||a[s])&&this.raiseRecoverable(n.start,"Redefinition of property"):a=e[i]={init:!1,get:!1,set:!1},a[s]=!0}}},Q.parseExpression=function(t,e){var r=this.start,i=this.startLoc,n=this.parseMaybeAssign(t,e);if(this.type===w.comma){var s=this.startNodeAt(r,i);for(s.expressions=[n];this.eat(w.comma);)s.expressions.push(this.parseMaybeAssign(t,e));return this.finishNode(s,"SequenceExpression")}return n},Q.parseMaybeAssign=function(t,e,r){if(this.isContextual("yield")){if(this.inGenerator)return this.parseYield(t);this.exprAllowed=!1}var i=!1,n=-1,s=-1,a=-1;e?(n=e.parenthesizedAssign,s=e.trailingComma,a=e.shorthandAssign,e.parenthesizedAssign=e.trailingComma=e.shorthandAssign=-1):(e=new z,i=!0);var o=this.start,c=this.startLoc;this.type!==w.parenL&&this.type!==w.name||(this.potentialArrowAt=this.start);var h=this.parseMaybeConditional(t,e);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===w.eq?this.toAssignable(h,!1,e):h,i||z.call(e),e.shorthandAssign=-1,this.checkLVal(h),this.next(),u.right=this.parseMaybeAssign(t),this.finishNode(u,"AssignmentExpression")}return i&&this.checkExpressionErrors(e,!0),n>-1&&(e.parenthesizedAssign=n),s>-1&&(e.trailingComma=s),a>-1&&(e.shorthandAssign=a),h},Q.parseMaybeConditional=function(t,e){var r=this.start,i=this.startLoc,n=this.parseExprOps(t,e);if(this.checkExpressionErrors(e))return n;if(this.eat(w.question)){var s=this.startNodeAt(r,i);return s.test=n,s.consequent=this.parseMaybeAssign(),this.expect(w.colon),s.alternate=this.parseMaybeAssign(t),this.finishNode(s,"ConditionalExpression")}return n},Q.parseExprOps=function(t,e){var r=this.start,i=this.startLoc,n=this.parseMaybeUnary(e,!1);return this.checkExpressionErrors(e)||n.start===r&&"ArrowFunctionExpression"===n.type?n:this.parseExprOp(n,r,i,-1,t)},Q.parseExprOp=function(t,e,r,i,n){var s=this.type.binop;if(null!=s&&(!n||this.type!==w._in)&&s>i){var a=this.type===w.logicalOR||this.type===w.logicalAND,o=this.value;this.next();var c=this.start,h=this.startLoc,u=this.parseExprOp(this.parseMaybeUnary(null,!1),c,h,s,n),l=this.buildBinary(e,r,t,u,o,a);return this.parseExprOp(l,e,r,i,n)}return t},Q.buildBinary=function(t,e,r,i,n,s){var a=this.startNodeAt(t,e);return a.left=r,a.operator=n,a.right=i,this.finishNode(a,s?"LogicalExpression":"BinaryExpression")},Q.parseMaybeUnary=function(t,e){var r,i=this.start,n=this.startLoc;if(this.isContextual("await")&&(this.inAsync||!this.inFunction&&this.options.allowAwaitOutsideFunction))r=this.parseAwait(),e=!0;else if(this.type.prefix){var s=this.startNode(),a=this.type===w.incDec;s.operator=this.value,s.prefix=!0,this.next(),s.argument=this.parseMaybeUnary(null,!0),this.checkExpressionErrors(t,!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"):e=!0,r=this.finishNode(s,a?"UpdateExpression":"UnaryExpression")}else{if(r=this.parseExprSubscripts(t),this.checkExpressionErrors(t))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!e&&this.eat(w.starstar)?this.buildBinary(i,n,r,this.parseMaybeUnary(null,!1),"**",!1):r},Q.parseExprSubscripts=function(t){var e=this.start,r=this.startLoc,i=this.parseExprAtom(t),n="ArrowFunctionExpression"===i.type&&")"!==this.input.slice(this.lastTokStart,this.lastTokEnd);if(this.checkExpressionErrors(t)||n)return i;var s=this.parseSubscripts(i,e,r);return t&&"MemberExpression"===s.type&&(t.parenthesizedAssign>=s.start&&(t.parenthesizedAssign=-1),t.parenthesizedBind>=s.start&&(t.parenthesizedBind=-1)),s},Q.parseSubscripts=function(t,e,r,i){for(var n=this.options.ecmaVersion>=8&&"Identifier"===t.type&&"async"===t.name&&this.lastTokEnd===t.end&&!this.canInsertSemicolon()&&"async"===this.input.slice(t.start,t.end);;){var s=this.parseSubscript(t,e,r,i,n);if(s===t||"ArrowFunctionExpression"===s.type)return s;t=s}},Q.parseSubscript=function(t,e,r,i,n){var s=this.eat(w.bracketL);if(s||this.eat(w.dot)){var a=this.startNodeAt(e,r);a.object=t,a.property=s?this.parseExpression():this.parseIdent("never"!==this.options.allowReserved),a.computed=!!s,s&&this.expect(w.bracketR),t=this.finishNode(a,"MemberExpression")}else if(!i&&this.eat(w.parenL)){var o=new z,c=this.yieldPos,h=this.awaitPos,u=this.awaitIdentPos;this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0;var l=this.parseExprList(w.parenR,this.options.ecmaVersion>=8,!1,o);if(n&&!this.canInsertSemicolon()&&this.eat(w.arrow))return this.checkPatternErrors(o,!1),this.checkYieldAwaitInDefaultParams(),this.awaitIdentPos>0&&this.raise(this.awaitIdentPos,"Cannot use 'await' as identifier inside an async function"),this.yieldPos=c,this.awaitPos=h,this.awaitIdentPos=u,this.parseArrowExpression(this.startNodeAt(e,r),l,!0);this.checkExpressionErrors(o,!0),this.yieldPos=c||this.yieldPos,this.awaitPos=h||this.awaitPos,this.awaitIdentPos=u||this.awaitIdentPos;var p=this.startNodeAt(e,r);p.callee=t,p.arguments=l,t=this.finishNode(p,"CallExpression")}else if(this.type===w.backQuote){var f=this.startNodeAt(e,r);f.tag=t,f.quasi=this.parseTemplate({isTagged:!0}),t=this.finishNode(f,"TaggedTemplateExpression")}return t},Q.parseExprAtom=function(t){this.type===w.slash&&this.readRegexp();var e,r=this.potentialArrowAt===this.start;switch(this.type){case w._super:return this.allowSuper||this.raise(this.start,"'super' keyword outside a method"),e=this.startNode(),this.next(),this.type!==w.parenL||this.allowDirectSuper||this.raise(e.start,"super() call outside constructor of a subclass"),this.type!==w.dot&&this.type!==w.bracketL&&this.type!==w.parenL&&this.unexpected(),this.finishNode(e,"Super");case w._this:return e=this.startNode(),this.next(),this.finishNode(e,"ThisExpression");case w.name:var i=this.start,n=this.startLoc,s=this.containsEsc,a=this.parseIdent(!1);if(this.options.ecmaVersion>=8&&!s&&"async"===a.name&&!this.canInsertSemicolon()&&this.eat(w._function))return this.parseFunction(this.startNodeAt(i,n),0,!1,!0);if(r&&!this.canInsertSemicolon()){if(this.eat(w.arrow))return this.parseArrowExpression(this.startNodeAt(i,n),[a],!1);if(this.options.ecmaVersion>=8&&"async"===a.name&&this.type===w.name&&!s)return a=this.parseIdent(!1),!this.canInsertSemicolon()&&this.eat(w.arrow)||this.unexpected(),this.parseArrowExpression(this.startNodeAt(i,n),[a],!0)}return a;case w.regexp:var o=this.value;return(e=this.parseLiteral(o.value)).regex={pattern:o.pattern,flags:o.flags},e;case w.num:case w.string:return this.parseLiteral(this.value);case w._null:case w._true:case w._false:return(e=this.startNode()).value=this.type===w._null?null:this.type===w._true,e.raw=this.type.keyword,this.next(),this.finishNode(e,"Literal");case w.parenL:var c=this.start,h=this.parseParenAndDistinguishExpression(r);return t&&(t.parenthesizedAssign<0&&!this.isSimpleAssignTarget(h)&&(t.parenthesizedAssign=c),t.parenthesizedBind<0&&(t.parenthesizedBind=c)),h;case w.bracketL:return e=this.startNode(),this.next(),e.elements=this.parseExprList(w.bracketR,!0,!0,t),this.finishNode(e,"ArrayExpression");case w.braceL:return this.parseObj(!1,t);case w._function:return e=this.startNode(),this.next(),this.parseFunction(e,0);case w._class:return this.parseClass(this.startNode(),!1);case w._new:return this.parseNew();case w.backQuote:return this.parseTemplate();case w._import:return this.options.ecmaVersion>=11?this.parseExprImport():this.unexpected();default:this.unexpected()}},Q.parseExprImport=function(){var t=this.startNode();if(this.next(),this.type===w.parenL)return this.parseDynamicImport(t);this.unexpected()},Q.parseDynamicImport=function(t){if(this.next(),t.source=this.parseMaybeAssign(),!this.eat(w.parenR)){var e=this.start;this.eat(w.comma)&&this.eat(w.parenR)?this.raiseRecoverable(e,"Trailing comma is not allowed in import()"):this.unexpected(e)}return this.finishNode(t,"ImportExpression")},Q.parseLiteral=function(t){var e=this.startNode();return e.value=t,e.raw=this.input.slice(this.start,this.end),110===e.raw.charCodeAt(e.raw.length-1)&&(e.bigint=e.raw.slice(0,-1)),this.next(),this.finishNode(e,"Literal")},Q.parseParenExpression=function(){this.expect(w.parenL);var t=this.parseExpression();return this.expect(w.parenR),t},Q.parseParenAndDistinguishExpression=function(t){var e,r=this.start,i=this.startLoc,n=this.options.ecmaVersion>=8;if(this.options.ecmaVersion>=6){this.next();var s,a=this.start,o=this.startLoc,c=[],h=!0,u=!1,l=new z,p=this.yieldPos,f=this.awaitPos;for(this.yieldPos=0,this.awaitPos=0;this.type!==w.parenR;){if(h?h=!1:this.expect(w.comma),n&&this.afterTrailingComma(w.parenR,!0)){u=!0;break}if(this.type===w.ellipsis){s=this.start,c.push(this.parseParenItem(this.parseRestBinding())),this.type===w.comma&&this.raise(this.start,"Comma is not permitted after the rest element");break}c.push(this.parseMaybeAssign(!1,l,this.parseParenItem))}var d=this.start,m=this.startLoc;if(this.expect(w.parenR),t&&!this.canInsertSemicolon()&&this.eat(w.arrow))return this.checkPatternErrors(l,!1),this.checkYieldAwaitInDefaultParams(),this.yieldPos=p,this.awaitPos=f,this.parseParenArrowList(r,i,c);c.length&&!u||this.unexpected(this.lastTokStart),s&&this.unexpected(s),this.checkExpressionErrors(l,!0),this.yieldPos=p||this.yieldPos,this.awaitPos=f||this.awaitPos,c.length>1?((e=this.startNodeAt(a,o)).expressions=c,this.finishNodeAt(e,"SequenceExpression",d,m)):e=c[0]}else e=this.parseParenExpression();if(this.options.preserveParens){var g=this.startNodeAt(r,i);return g.expression=e,this.finishNode(g,"ParenthesizedExpression")}return e},Q.parseParenItem=function(t){return t},Q.parseParenArrowList=function(t,e,r){return this.parseArrowExpression(this.startNodeAt(t,e),r)};var Z=[];Q.parseNew=function(){var t=this.startNode(),e=this.parseIdent(!0);if(this.options.ecmaVersion>=6&&this.eat(w.dot)){t.meta=e;var r=this.containsEsc;return t.property=this.parseIdent(!0),("target"!==t.property.name||r)&&this.raiseRecoverable(t.property.start,"The only valid meta property for new is new.target"),this.inNonArrowFunction()||this.raiseRecoverable(t.start,"new.target can only be used in functions"),this.finishNode(t,"MetaProperty")}var i=this.start,n=this.startLoc,s=this.type===w._import;return t.callee=this.parseSubscripts(this.parseExprAtom(),i,n,!0),s&&"ImportExpression"===t.callee.type&&this.raise(i,"Cannot use new with import()"),this.eat(w.parenL)?t.arguments=this.parseExprList(w.parenR,this.options.ecmaVersion>=8,!1):t.arguments=Z,this.finishNode(t,"NewExpression")},Q.parseTemplateElement=function(t){var e=t.isTagged,r=this.startNode();return this.type===w.invalidTemplate?(e||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===w.backQuote,this.finishNode(r,"TemplateElement")},Q.parseTemplate=function(t){void 0===t&&(t={});var e=t.isTagged;void 0===e&&(e=!1);var r=this.startNode();this.next(),r.expressions=[];var i=this.parseTemplateElement({isTagged:e});for(r.quasis=[i];!i.tail;)this.type===w.eof&&this.raise(this.pos,"Unterminated template literal"),this.expect(w.dollarBraceL),r.expressions.push(this.parseExpression()),this.expect(w.braceR),r.quasis.push(i=this.parseTemplateElement({isTagged:e}));return this.next(),this.finishNode(r,"TemplateLiteral")},Q.isAsyncProp=function(t){return!t.computed&&"Identifier"===t.key.type&&"async"===t.key.name&&(this.type===w.name||this.type===w.num||this.type===w.string||this.type===w.bracketL||this.type.keyword||this.options.ecmaVersion>=9&&this.type===w.star)&&!_.test(this.input.slice(this.lastTokEnd,this.start))},Q.parseObj=function(t,e){var r=this.startNode(),i=!0,n={};for(r.properties=[],this.next();!this.eat(w.braceR);){if(i)i=!1;else if(this.expect(w.comma),this.options.ecmaVersion>=5&&this.afterTrailingComma(w.braceR))break;var s=this.parseProperty(t,e);t||this.checkPropClash(s,n,e),r.properties.push(s)}return this.finishNode(r,t?"ObjectPattern":"ObjectExpression")},Q.parseProperty=function(t,e){var r,i,n,s,a=this.startNode();if(this.options.ecmaVersion>=9&&this.eat(w.ellipsis))return t?(a.argument=this.parseIdent(!1),this.type===w.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.finishNode(a,"RestElement")):(this.type===w.parenL&&e&&(e.parenthesizedAssign<0&&(e.parenthesizedAssign=this.start),e.parenthesizedBind<0&&(e.parenthesizedBind=this.start)),a.argument=this.parseMaybeAssign(!1,e),this.type===w.comma&&e&&e.trailingComma<0&&(e.trailingComma=this.start),this.finishNode(a,"SpreadElement"));this.options.ecmaVersion>=6&&(a.method=!1,a.shorthand=!1,(t||e)&&(n=this.start,s=this.startLoc),t||(r=this.eat(w.star)));var o=this.containsEsc;return this.parsePropertyName(a),!t&&!o&&this.options.ecmaVersion>=8&&!r&&this.isAsyncProp(a)?(i=!0,r=this.options.ecmaVersion>=9&&this.eat(w.star),this.parsePropertyName(a,e)):i=!1,this.parsePropertyValue(a,t,r,i,n,s,e,o),this.finishNode(a,"Property")},Q.parsePropertyValue=function(t,e,r,i,n,s,a,o){if((r||i)&&this.type===w.colon&&this.unexpected(),this.eat(w.colon))t.value=e?this.parseMaybeDefault(this.start,this.startLoc):this.parseMaybeAssign(!1,a),t.kind="init";else if(this.options.ecmaVersion>=6&&this.type===w.parenL)e&&this.unexpected(),t.kind="init",t.method=!0,t.value=this.parseMethod(r,i);else if(e||o||!(this.options.ecmaVersion>=5)||t.computed||"Identifier"!==t.key.type||"get"!==t.key.name&&"set"!==t.key.name||this.type===w.comma||this.type===w.braceR)this.options.ecmaVersion>=6&&!t.computed&&"Identifier"===t.key.type?((r||i)&&this.unexpected(),this.checkUnreserved(t.key),"await"!==t.key.name||this.awaitIdentPos||(this.awaitIdentPos=n),t.kind="init",e?t.value=this.parseMaybeDefault(n,s,t.key):this.type===w.eq&&a?(a.shorthandAssign<0&&(a.shorthandAssign=this.start),t.value=this.parseMaybeDefault(n,s,t.key)):t.value=t.key,t.shorthand=!0):this.unexpected();else{(r||i)&&this.unexpected(),t.kind=t.key.name,this.parsePropertyName(t),t.value=this.parseMethod(!1);var c="get"===t.kind?0:1;if(t.value.params.length!==c){var h=t.value.start;"get"===t.kind?this.raiseRecoverable(h,"getter should have no params"):this.raiseRecoverable(h,"setter should have 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this.type===w.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"),t||(this.checkUnreserved(r),"await"!==r.name||this.awaitIdentPos||(this.awaitIdentPos=r.start)),r},Q.parseYield=function(t){this.yieldPos||(this.yieldPos=this.start);var e=this.startNode();return this.next(),this.type===w.semi||this.canInsertSemicolon()||this.type!==w.star&&!this.type.startsExpr?(e.delegate=!1,e.argument=null):(e.delegate=this.eat(w.star),e.argument=this.parseMaybeAssign(t)),this.finishNode(e,"YieldExpression")},Q.parseAwait=function(){this.awaitPos||(this.awaitPos=this.start);var t=this.startNode();return this.next(),t.argument=this.parseMaybeUnary(null,!0),this.finishNode(t,"AwaitExpression")};var Y=D.prototype;Y.raise=function(t,e){var r=R(this.input,t);e+=" 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o=this.scopeStack[a];if(o.lexical.indexOf(t)>-1&&!(32&o.flags&&o.lexical[0]===t)||!this.treatFunctionsAsVarInScope(o)&&o.functions.indexOf(t)>-1){i=!0;break}if(o.var.push(t),this.inModule&&1&o.flags&&delete this.undefinedExports[t],3&o.flags)break}i&&this.raiseRecoverable(r,"Identifier '"+t+"' has already been declared")},tt.checkLocalExport=function(t){-1===this.scopeStack[0].lexical.indexOf(t.name)&&-1===this.scopeStack[0].var.indexOf(t.name)&&(this.undefinedExports[t.name]=t)},tt.currentScope=function(){return this.scopeStack[this.scopeStack.length-1]},tt.currentVarScope=function(){for(var t=this.scopeStack.length-1;;t--){var e=this.scopeStack[t];if(3&e.flags)return e}},tt.currentThisScope=function(){for(var t=this.scopeStack.length-1;;t--){var e=this.scopeStack[t];if(3&e.flags&&!(16&e.flags))return e}};var rt=function(t,e,r){this.type="",this.start=e,this.end=0,t.options.locations&&(this.loc=new 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Sogdian Sogd Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"},ft={};function dt(t){var e=ft[t]={binary:L(ht[t]+" "+ut),nonBinary:{General_Category:L(ut),Script:L(pt[t])}};e.nonBinary.Script_Extensions=e.nonBinary.Script,e.nonBinary.gc=e.nonBinary.General_Category,e.nonBinary.sc=e.nonBinary.Script,e.nonBinary.scx=e.nonBinary.Script_Extensions}dt(9),dt(10),dt(11);var mt=D.prototype,gt=function(t){this.parser=t,this.validFlags="gim"+(t.options.ecmaVersion>=6?"uy":"")+(t.options.ecmaVersion>=9?"s":""),this.unicodeProperties=ft[t.options.ecmaVersion>=11?11:t.options.ecmaVersion],this.source="",this.flags="",this.start=0,this.switchU=!1,this.switchN=!1,this.pos=0,this.lastIntValue=0,this.lastStringValue="",this.lastAssertionIsQuantifiable=!1,this.numCapturingParens=0,this.maxBackReference=0,this.groupNames=[],this.backReferenceNames=[]};function vt(t){return t<=65535?String.fromCharCode(t):(t-=65536,String.fromCharCode(55296+(t>>10),56320+(1023&t)))}function xt(t){return 36===t||t>=40&&t<=43||46===t||63===t||t>=91&&t<=94||t>=123&&t<=125}function yt(t){return t>=65&&t<=90||t>=97&&t<=122}function bt(t){return yt(t)||95===t}function kt(t){return bt(t)||wt(t)}function wt(t){return t>=48&&t<=57}function _t(t){return t>=48&&t<=57||t>=65&&t<=70||t>=97&&t<=102}function At(t){return t>=65&&t<=70?t-65+10:t>=97&&t<=102?t-97+10:t-48}function Ct(t){return t>=48&&t<=55}gt.prototype.reset=function(t,e,r){var i=-1!==r.indexOf("u");this.start=0|t,this.source=e+"",this.flags=r,this.switchU=i&&this.parser.options.ecmaVersion>=6,this.switchN=i&&this.parser.options.ecmaVersion>=9},gt.prototype.raise=function(t){this.parser.raiseRecoverable(this.start,"Invalid regular expression: /"+this.source+"/: "+t)},gt.prototype.at=function(t){var e=this.source,r=e.length;if(t>=r)return-1;var i=e.charCodeAt(t);return!this.switchU||i<=55295||i>=57344||t+1>=r?i:(i<<10)+e.charCodeAt(t+1)-56613888},gt.prototype.nextIndex=function(t){var e=this.source,r=e.length;if(t>=r)return r;var i=e.charCodeAt(t);return!this.switchU||i<=55295||i>=57344||t+1>=r?t+1:t+2},gt.prototype.current=function(){return this.at(this.pos)},gt.prototype.lookahead=function(){return this.at(this.nextIndex(this.pos))},gt.prototype.advance=function(){this.pos=this.nextIndex(this.pos)},gt.prototype.eat=function(t){return this.current()===t&&(this.advance(),!0)},mt.validateRegExpFlags=function(t){for(var e=t.validFlags,r=t.flags,i=0;i<r.length;i++){var n=r.charAt(i);-1===e.indexOf(n)&&this.raise(t.start,"Invalid regular expression flag"),r.indexOf(n,i+1)>-1&&this.raise(t.start,"Duplicate regular expression flag")}},mt.validateRegExpPattern=function(t){this.regexp_pattern(t),!t.switchN&&this.options.ecmaVersion>=9&&t.groupNames.length>0&&(t.switchN=!0,this.regexp_pattern(t))},mt.regexp_pattern=function(t){t.pos=0,t.lastIntValue=0,t.lastStringValue="",t.lastAssertionIsQuantifiable=!1,t.numCapturingParens=0,t.maxBackReference=0,t.groupNames.length=0,t.backReferenceNames.length=0,this.regexp_disjunction(t),t.pos!==t.source.length&&(t.eat(41)&&t.raise("Unmatched ')'"),(t.eat(93)||t.eat(125))&&t.raise("Lone quantifier brackets")),t.maxBackReference>t.numCapturingParens&&t.raise("Invalid escape");for(var e=0,r=t.backReferenceNames;e<r.length;e+=1){var i=r[e];-1===t.groupNames.indexOf(i)&&t.raise("Invalid named capture referenced")}},mt.regexp_disjunction=function(t){for(this.regexp_alternative(t);t.eat(124);)this.regexp_alternative(t);this.regexp_eatQuantifier(t,!0)&&t.raise("Nothing to repeat"),t.eat(123)&&t.raise("Lone quantifier brackets")},mt.regexp_alternative=function(t){for(;t.pos<t.source.length&&this.regexp_eatTerm(t););},mt.regexp_eatTerm=function(t){return this.regexp_eatAssertion(t)?(t.lastAssertionIsQuantifiable&&this.regexp_eatQuantifier(t)&&t.switchU&&t.raise("Invalid quantifier"),!0):!(t.switchU?!this.regexp_eatAtom(t):!this.regexp_eatExtendedAtom(t))&&(this.regexp_eatQuantifier(t),!0)},mt.regexp_eatAssertion=function(t){var e=t.pos;if(t.lastAssertionIsQuantifiable=!1,t.eat(94)||t.eat(36))return!0;if(t.eat(92)){if(t.eat(66)||t.eat(98))return!0;t.pos=e}if(t.eat(40)&&t.eat(63)){var r=!1;if(this.options.ecmaVersion>=9&&(r=t.eat(60)),t.eat(61)||t.eat(33))return this.regexp_disjunction(t),t.eat(41)||t.raise("Unterminated group"),t.lastAssertionIsQuantifiable=!r,!0}return t.pos=e,!1},mt.regexp_eatQuantifier=function(t,e){return void 0===e&&(e=!1),!!this.regexp_eatQuantifierPrefix(t,e)&&(t.eat(63),!0)},mt.regexp_eatQuantifierPrefix=function(t,e){return t.eat(42)||t.eat(43)||t.eat(63)||this.regexp_eatBracedQuantifier(t,e)},mt.regexp_eatBracedQuantifier=function(t,e){var r=t.pos;if(t.eat(123)){var i=0,n=-1;if(this.regexp_eatDecimalDigits(t)&&(i=t.lastIntValue,t.eat(44)&&this.regexp_eatDecimalDigits(t)&&(n=t.lastIntValue),t.eat(125)))return-1!==n&&n<i&&!e&&t.raise("numbers out of order in {} quantifier"),!0;t.switchU&&!e&&t.raise("Incomplete quantifier"),t.pos=r}return!1},mt.regexp_eatAtom=function(t){return this.regexp_eatPatternCharacters(t)||t.eat(46)||this.regexp_eatReverseSolidusAtomEscape(t)||this.regexp_eatCharacterClass(t)||this.regexp_eatUncapturingGroup(t)||this.regexp_eatCapturingGroup(t)},mt.regexp_eatReverseSolidusAtomEscape=function(t){var e=t.pos;if(t.eat(92)){if(this.regexp_eatAtomEscape(t))return!0;t.pos=e}return!1},mt.regexp_eatUncapturingGroup=function(t){var e=t.pos;if(t.eat(40)){if(t.eat(63)&&t.eat(58)){if(this.regexp_disjunction(t),t.eat(41))return!0;t.raise("Unterminated group")}t.pos=e}return!1},mt.regexp_eatCapturingGroup=function(t){if(t.eat(40)){if(this.options.ecmaVersion>=9?this.regexp_groupSpecifier(t):63===t.current()&&t.raise("Invalid group"),this.regexp_disjunction(t),t.eat(41))return t.numCapturingParens+=1,!0;t.raise("Unterminated group")}return!1},mt.regexp_eatExtendedAtom=function(t){return t.eat(46)||this.regexp_eatReverseSolidusAtomEscape(t)||this.regexp_eatCharacterClass(t)||this.regexp_eatUncapturingGroup(t)||this.regexp_eatCapturingGroup(t)||this.regexp_eatInvalidBracedQuantifier(t)||this.regexp_eatExtendedPatternCharacter(t)},mt.regexp_eatInvalidBracedQuantifier=function(t){return this.regexp_eatBracedQuantifier(t,!0)&&t.raise("Nothing to repeat"),!1},mt.regexp_eatSyntaxCharacter=function(t){var e=t.current();return!!xt(e)&&(t.lastIntValue=e,t.advance(),!0)},mt.regexp_eatPatternCharacters=function(t){for(var e=t.pos,r=0;-1!==(r=t.current())&&!xt(r);)t.advance();return t.pos!==e},mt.regexp_eatExtendedPatternCharacter=function(t){var e=t.current();return!(-1===e||36===e||e>=40&&e<=43||46===e||63===e||91===e||94===e||124===e||(t.advance(),0))},mt.regexp_groupSpecifier=function(t){if(t.eat(63)){if(this.regexp_eatGroupName(t))return-1!==t.groupNames.indexOf(t.lastStringValue)&&t.raise("Duplicate capture group name"),void t.groupNames.push(t.lastStringValue);t.raise("Invalid group")}},mt.regexp_eatGroupName=function(t){if(t.lastStringValue="",t.eat(60)){if(this.regexp_eatRegExpIdentifierName(t)&&t.eat(62))return!0;t.raise("Invalid capture group name")}return!1},mt.regexp_eatRegExpIdentifierName=function(t){if(t.lastStringValue="",this.regexp_eatRegExpIdentifierStart(t)){for(t.lastStringValue+=vt(t.lastIntValue);this.regexp_eatRegExpIdentifierPart(t);)t.lastStringValue+=vt(t.lastIntValue);return!0}return!1},mt.regexp_eatRegExpIdentifierStart=function(t){var e=t.pos,r=t.current();return t.advance(),92===r&&this.regexp_eatRegExpUnicodeEscapeSequence(t)&&(r=t.lastIntValue),function(t){return d(t,!0)||36===t||95===t}(r)?(t.lastIntValue=r,!0):(t.pos=e,!1)},mt.regexp_eatRegExpIdentifierPart=function(t){var e=t.pos,r=t.current();return t.advance(),92===r&&this.regexp_eatRegExpUnicodeEscapeSequence(t)&&(r=t.lastIntValue),function(t){return m(t,!0)||36===t||95===t||8204===t||8205===t}(r)?(t.lastIntValue=r,!0):(t.pos=e,!1)},mt.regexp_eatAtomEscape=function(t){return!!(this.regexp_eatBackReference(t)||this.regexp_eatCharacterClassEscape(t)||this.regexp_eatCharacterEscape(t)||t.switchN&&this.regexp_eatKGroupName(t))||(t.switchU&&(99===t.current()&&t.raise("Invalid unicode escape"),t.raise("Invalid escape")),!1)},mt.regexp_eatBackReference=function(t){var e=t.pos;if(this.regexp_eatDecimalEscape(t)){var r=t.lastIntValue;if(t.switchU)return r>t.maxBackReference&&(t.maxBackReference=r),!0;if(r<=t.numCapturingParens)return!0;t.pos=e}return!1},mt.regexp_eatKGroupName=function(t){if(t.eat(107)){if(this.regexp_eatGroupName(t))return t.backReferenceNames.push(t.lastStringValue),!0;t.raise("Invalid named reference")}return!1},mt.regexp_eatCharacterEscape=function(t){return this.regexp_eatControlEscape(t)||this.regexp_eatCControlLetter(t)||this.regexp_eatZero(t)||this.regexp_eatHexEscapeSequence(t)||this.regexp_eatRegExpUnicodeEscapeSequence(t)||!t.switchU&&this.regexp_eatLegacyOctalEscapeSequence(t)||this.regexp_eatIdentityEscape(t)},mt.regexp_eatCControlLetter=function(t){var e=t.pos;if(t.eat(99)){if(this.regexp_eatControlLetter(t))return!0;t.pos=e}return!1},mt.regexp_eatZero=function(t){return 48===t.current()&&!wt(t.lookahead())&&(t.lastIntValue=0,t.advance(),!0)},mt.regexp_eatControlEscape=function(t){var e=t.current();return 116===e?(t.lastIntValue=9,t.advance(),!0):110===e?(t.lastIntValue=10,t.advance(),!0):118===e?(t.lastIntValue=11,t.advance(),!0):102===e?(t.lastIntValue=12,t.advance(),!0):114===e&&(t.lastIntValue=13,t.advance(),!0)},mt.regexp_eatControlLetter=function(t){var e=t.current();return!!yt(e)&&(t.lastIntValue=e%32,t.advance(),!0)},mt.regexp_eatRegExpUnicodeEscapeSequence=function(t){var e,r=t.pos;if(t.eat(117)){if(this.regexp_eatFixedHexDigits(t,4)){var i=t.lastIntValue;if(t.switchU&&i>=55296&&i<=56319){var n=t.pos;if(t.eat(92)&&t.eat(117)&&this.regexp_eatFixedHexDigits(t,4)){var s=t.lastIntValue;if(s>=56320&&s<=57343)return t.lastIntValue=1024*(i-55296)+(s-56320)+65536,!0}t.pos=n,t.lastIntValue=i}return!0}if(t.switchU&&t.eat(123)&&this.regexp_eatHexDigits(t)&&t.eat(125)&&(e=t.lastIntValue)>=0&&e<=1114111)return!0;t.switchU&&t.raise("Invalid unicode escape"),t.pos=r}return!1},mt.regexp_eatIdentityEscape=function(t){if(t.switchU)return!!this.regexp_eatSyntaxCharacter(t)||!!t.eat(47)&&(t.lastIntValue=47,!0);var e=t.current();return!(99===e||t.switchN&&107===e||(t.lastIntValue=e,t.advance(),0))},mt.regexp_eatDecimalEscape=function(t){t.lastIntValue=0;var e=t.current();if(e>=49&&e<=57){do{t.lastIntValue=10*t.lastIntValue+(e-48),t.advance()}while((e=t.current())>=48&&e<=57);return!0}return!1},mt.regexp_eatCharacterClassEscape=function(t){var e=t.current();if(function(t){return 100===t||68===t||115===t||83===t||119===t||87===t}(e))return t.lastIntValue=-1,t.advance(),!0;if(t.switchU&&this.options.ecmaVersion>=9&&(80===e||112===e)){if(t.lastIntValue=-1,t.advance(),t.eat(123)&&this.regexp_eatUnicodePropertyValueExpression(t)&&t.eat(125))return!0;t.raise("Invalid property name")}return!1},mt.regexp_eatUnicodePropertyValueExpression=function(t){var e=t.pos;if(this.regexp_eatUnicodePropertyName(t)&&t.eat(61)){var r=t.lastStringValue;if(this.regexp_eatUnicodePropertyValue(t)){var i=t.lastStringValue;return this.regexp_validateUnicodePropertyNameAndValue(t,r,i),!0}}if(t.pos=e,this.regexp_eatLoneUnicodePropertyNameOrValue(t)){var n=t.lastStringValue;return this.regexp_validateUnicodePropertyNameOrValue(t,n),!0}return!1},mt.regexp_validateUnicodePropertyNameAndValue=function(t,e,r){O(t.unicodeProperties.nonBinary,e)||t.raise("Invalid property name"),t.unicodeProperties.nonBinary[e].test(r)||t.raise("Invalid property value")},mt.regexp_validateUnicodePropertyNameOrValue=function(t,e){t.unicodeProperties.binary.test(e)||t.raise("Invalid property name")},mt.regexp_eatUnicodePropertyName=function(t){var e=0;for(t.lastStringValue="";bt(e=t.current());)t.lastStringValue+=vt(e),t.advance();return""!==t.lastStringValue},mt.regexp_eatUnicodePropertyValue=function(t){var e=0;for(t.lastStringValue="";kt(e=t.current());)t.lastStringValue+=vt(e),t.advance();return""!==t.lastStringValue},mt.regexp_eatLoneUnicodePropertyNameOrValue=function(t){return this.regexp_eatUnicodePropertyValue(t)},mt.regexp_eatCharacterClass=function(t){if(t.eat(91)){if(t.eat(94),this.regexp_classRanges(t),t.eat(93))return!0;t.raise("Unterminated character class")}return!1},mt.regexp_classRanges=function(t){for(;this.regexp_eatClassAtom(t);){var e=t.lastIntValue;if(t.eat(45)&&this.regexp_eatClassAtom(t)){var r=t.lastIntValue;!t.switchU||-1!==e&&-1!==r||t.raise("Invalid character class"),-1!==e&&-1!==r&&e>r&&t.raise("Range out of order in character class")}}},mt.regexp_eatClassAtom=function(t){var e=t.pos;if(t.eat(92)){if(this.regexp_eatClassEscape(t))return!0;if(t.switchU){var r=t.current();(99===r||Ct(r))&&t.raise("Invalid class escape"),t.raise("Invalid escape")}t.pos=e}var i=t.current();return 93!==i&&(t.lastIntValue=i,t.advance(),!0)},mt.regexp_eatClassEscape=function(t){var e=t.pos;if(t.eat(98))return t.lastIntValue=8,!0;if(t.switchU&&t.eat(45))return t.lastIntValue=45,!0;if(!t.switchU&&t.eat(99)){if(this.regexp_eatClassControlLetter(t))return!0;t.pos=e}return this.regexp_eatCharacterClassEscape(t)||this.regexp_eatCharacterEscape(t)},mt.regexp_eatClassControlLetter=function(t){var e=t.current();return!(!wt(e)&&95!==e||(t.lastIntValue=e%32,t.advance(),0))},mt.regexp_eatHexEscapeSequence=function(t){var e=t.pos;if(t.eat(120)){if(this.regexp_eatFixedHexDigits(t,2))return!0;t.switchU&&t.raise("Invalid escape"),t.pos=e}return!1},mt.regexp_eatDecimalDigits=function(t){var e=t.pos,r=0;for(t.lastIntValue=0;wt(r=t.current());)t.lastIntValue=10*t.lastIntValue+(r-48),t.advance();return t.pos!==e},mt.regexp_eatHexDigits=function(t){var e=t.pos,r=0;for(t.lastIntValue=0;_t(r=t.current());)t.lastIntValue=16*t.lastIntValue+At(r),t.advance();return t.pos!==e},mt.regexp_eatLegacyOctalEscapeSequence=function(t){if(this.regexp_eatOctalDigit(t)){var e=t.lastIntValue;if(this.regexp_eatOctalDigit(t)){var r=t.lastIntValue;e<=3&&this.regexp_eatOctalDigit(t)?t.lastIntValue=64*e+8*r+t.lastIntValue:t.lastIntValue=8*e+r}else t.lastIntValue=e;return!0}return!1},mt.regexp_eatOctalDigit=function(t){var e=t.current();return Ct(e)?(t.lastIntValue=e-48,t.advance(),!0):(t.lastIntValue=0,!1)},mt.regexp_eatFixedHexDigits=function(t,e){var r=t.pos;t.lastIntValue=0;for(var i=0;i<e;++i){var n=t.current();if(!_t(n))return t.pos=r,!1;t.lastIntValue=16*t.lastIntValue+At(n),t.advance()}return!0};var Et=function(t){this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,t.options.locations&&(this.loc=new V(t,t.startLoc,t.endLoc)),t.options.ranges&&(this.range=[t.start,t.end])},St=D.prototype;function Pt(t){return t<=65535?String.fromCharCode(t):(t-=65536,String.fromCharCode(55296+(t>>10),56320+(1023&t)))}St.next=function(){this.options.onToken&&this.options.onToken(new Et(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()},St.getToken=function(){return this.next(),new Et(this)},"undefined"!=typeof Symbol&&(St[Symbol.iterator]=function(){var t=this;return{next:function(){var e=t.getToken();return{done:e.type===w.eof,value:e}}}}),St.curContext=function(){return this.context[this.context.length-1]},St.nextToken=function(){var t=this.curContext();return t&&t.preserveSpace||this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length?this.finishToken(w.eof):t.override?t.override(this):void this.readToken(this.fullCharCodeAtPos())},St.readToken=function(t){return d(t,this.options.ecmaVersion>=6)||92===t?this.readWord():this.getTokenFromCode(t)},St.fullCharCodeAtPos=function(){var t=this.input.charCodeAt(this.pos);return t<=55295||t>=57344?t:(t<<10)+this.input.charCodeAt(this.pos+1)-56613888},St.skipBlockComment=function(){var t,e=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(A.lastIndex=r;(t=A.exec(this.input))&&t.index<this.pos;)++this.curLine,this.lineStart=t.index+t[0].length;this.options.onComment&&this.options.onComment(!0,this.input.slice(r+2,i),r,this.pos,e,this.curPosition())},St.skipLineComment=function(t){for(var e=this.pos,r=this.options.onComment&&this.curPosition(),i=this.input.charCodeAt(this.pos+=t);this.pos<this.input.length&&!C(i);)i=this.input.charCodeAt(++this.pos);this.options.onComment&&this.options.onComment(!1,this.input.slice(e+t,this.pos),e,this.pos,r,this.curPosition())},St.skipSpace=function(){t:for(;this.pos<this.input.length;){var t=this.input.charCodeAt(this.pos);switch(t){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 t}break;default:if(!(t>8&&t<14||t>=5760&&E.test(String.fromCharCode(t))))break t;++this.pos}}},St.finishToken=function(t,e){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var r=this.type;this.type=t,this.value=e,this.updateContext(r)},St.readToken_dot=function(){var t=this.input.charCodeAt(this.pos+1);if(t>=48&&t<=57)return this.readNumber(!0);var e=this.input.charCodeAt(this.pos+2);return this.options.ecmaVersion>=6&&46===t&&46===e?(this.pos+=3,this.finishToken(w.ellipsis)):(++this.pos,this.finishToken(w.dot))},St.readToken_slash=function(){var t=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):61===t?this.finishOp(w.assign,2):this.finishOp(w.slash,1)},St.readToken_mult_modulo_exp=function(t){var e=this.input.charCodeAt(this.pos+1),r=1,i=42===t?w.star:w.modulo;return this.options.ecmaVersion>=7&&42===t&&42===e&&(++r,i=w.starstar,e=this.input.charCodeAt(this.pos+2)),61===e?this.finishOp(w.assign,r+1):this.finishOp(i,r)},St.readToken_pipe_amp=function(t){var e=this.input.charCodeAt(this.pos+1);return e===t?this.finishOp(124===t?w.logicalOR:w.logicalAND,2):61===e?this.finishOp(w.assign,2):this.finishOp(124===t?w.bitwiseOR:w.bitwiseAND,1)},St.readToken_caret=function(){return 61===this.input.charCodeAt(this.pos+1)?this.finishOp(w.assign,2):this.finishOp(w.bitwiseXOR,1)},St.readToken_plus_min=function(t){var e=this.input.charCodeAt(this.pos+1);return e===t?45!==e||this.inModule||62!==this.input.charCodeAt(this.pos+2)||0!==this.lastTokEnd&&!_.test(this.input.slice(this.lastTokEnd,this.pos))?this.finishOp(w.incDec,2):(this.skipLineComment(3),this.skipSpace(),this.nextToken()):61===e?this.finishOp(w.assign,2):this.finishOp(w.plusMin,1)},St.readToken_lt_gt=function(t){var e=this.input.charCodeAt(this.pos+1),r=1;return e===t?(r=62===t&&62===this.input.charCodeAt(this.pos+2)?3:2,61===this.input.charCodeAt(this.pos+r)?this.finishOp(w.assign,r+1):this.finishOp(w.bitShift,r)):33!==e||60!==t||this.inModule||45!==this.input.charCodeAt(this.pos+2)||45!==this.input.charCodeAt(this.pos+3)?(61===e&&(r=2),this.finishOp(w.relational,r)):(this.skipLineComment(4),this.skipSpace(),this.nextToken())},St.readToken_eq_excl=function(t){var e=this.input.charCodeAt(this.pos+1);return 61===e?this.finishOp(w.equality,61===this.input.charCodeAt(this.pos+2)?3:2):61===t&&62===e&&this.options.ecmaVersion>=6?(this.pos+=2,this.finishToken(w.arrow)):this.finishOp(61===t?w.eq:w.prefix,1)},St.getTokenFromCode=function(t){switch(t){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(w.parenL);case 41:return++this.pos,this.finishToken(w.parenR);case 59:return++this.pos,this.finishToken(w.semi);case 44:return++this.pos,this.finishToken(w.comma);case 91:return++this.pos,this.finishToken(w.bracketL);case 93:return++this.pos,this.finishToken(w.bracketR);case 123:return++this.pos,this.finishToken(w.braceL);case 125:return++this.pos,this.finishToken(w.braceR);case 58:return++this.pos,this.finishToken(w.colon);case 63:return++this.pos,this.finishToken(w.question);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(w.backQuote);case 48:var e=this.input.charCodeAt(this.pos+1);if(120===e||88===e)return this.readRadixNumber(16);if(this.options.ecmaVersion>=6){if(111===e||79===e)return this.readRadixNumber(8);if(98===e||66===e)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(t);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo_exp(t);case 124:case 38:return this.readToken_pipe_amp(t);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(t);case 60:case 62:return this.readToken_lt_gt(t);case 61:case 33:return this.readToken_eq_excl(t);case 126:return this.finishOp(w.prefix,1)}this.raise(this.pos,"Unexpected character '"+Pt(t)+"'")},St.finishOp=function(t,e){var r=this.input.slice(this.pos,this.pos+e);return this.pos+=e,this.finishToken(t,r)},St.readRegexp=function(){for(var t,e,r=this.pos;;){this.pos>=this.input.length&&this.raise(r,"Unterminated regular expression");var i=this.input.charAt(this.pos);if(_.test(i)&&this.raise(r,"Unterminated regular expression"),t)t=!1;else{if("["===i)e=!0;else if("]"===i&&e)e=!1;else if("/"===i&&!e)break;t="\\"===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 gt(this));o.reset(r,n,a),this.validateRegExpFlags(o),this.validateRegExpPattern(o);var c=null;try{c=new RegExp(n,a)}catch(t){}return this.finishToken(w.regexp,{pattern:n,flags:a,value:c})},St.readInt=function(t,e){for(var r=this.pos,i=0,n=0,s=null==e?1/0:e;n<s;++n){var a,o=this.input.charCodeAt(this.pos);if((a=o>=97?o-97+10:o>=65?o-65+10:o>=48&&o<=57?o-48:1/0)>=t)break;++this.pos,i=i*t+a}return this.pos===r||null!=e&&this.pos-r!==e?null:i},St.readRadixNumber=function(t){var e=this.pos;this.pos+=2;var r=this.readInt(t);return null==r&&this.raise(this.start+2,"Expected number in radix "+t),this.options.ecmaVersion>=11&&110===this.input.charCodeAt(this.pos)?(r="undefined"!=typeof BigInt?BigInt(this.input.slice(e,this.pos)):null,++this.pos):d(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(w.num,r)},St.readNumber=function(t){var e=this.pos;t||null!==this.readInt(10)||this.raise(e,"Invalid number");var r=this.pos-e>=2&&48===this.input.charCodeAt(e);r&&this.strict&&this.raise(e,"Invalid number"),r&&/[89]/.test(this.input.slice(e,this.pos))&&(r=!1);var i=this.input.charCodeAt(this.pos);if(!r&&!t&&this.options.ecmaVersion>=11&&110===i){var n=this.input.slice(e,this.pos),s="undefined"!=typeof BigInt?BigInt(n):null;return++this.pos,d(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(w.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(e,"Invalid number")),d(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var a=this.input.slice(e,this.pos),o=r?parseInt(a,8):parseFloat(a);return this.finishToken(w.num,o)},St.readCodePoint=function(){var t;if(123===this.input.charCodeAt(this.pos)){this.options.ecmaVersion<6&&this.unexpected();var e=++this.pos;t=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,t>1114111&&this.invalidStringToken(e,"Code point out of bounds")}else t=this.readHexChar(4);return t},St.readString=function(t){for(var e="",r=++this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated string constant");var i=this.input.charCodeAt(this.pos);if(i===t)break;92===i?(e+=this.input.slice(r,this.pos),e+=this.readEscapedChar(!1),r=this.pos):(C(i,this.options.ecmaVersion>=10)&&this.raise(this.start,"Unterminated string constant"),++this.pos)}return e+=this.input.slice(r,this.pos++),this.finishToken(w.string,e)};var Tt={};St.tryReadTemplateToken=function(){this.inTemplateElement=!0;try{this.readTmplToken()}catch(t){if(t!==Tt)throw t;this.readInvalidTemplateToken()}this.inTemplateElement=!1},St.invalidStringToken=function(t,e){if(this.inTemplateElement&&this.options.ecmaVersion>=9)throw Tt;this.raise(t,e)},St.readTmplToken=function(){for(var t="",e=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!==w.template&&this.type!==w.invalidTemplate?(t+=this.input.slice(e,this.pos),this.finishToken(w.template,t)):36===r?(this.pos+=2,this.finishToken(w.dollarBraceL)):(++this.pos,this.finishToken(w.backQuote));if(92===r)t+=this.input.slice(e,this.pos),t+=this.readEscapedChar(!0),e=this.pos;else if(C(r)){switch(t+=this.input.slice(e,this.pos),++this.pos,r){case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 10:t+="\n";break;default:t+=String.fromCharCode(r)}this.options.locations&&(++this.curLine,this.lineStart=this.pos),e=this.pos}else++this.pos}},St.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(w.invalidTemplate,this.input.slice(this.start,this.pos))}this.raise(this.start,"Unterminated template")},St.readEscapedChar=function(t){var e=this.input.charCodeAt(++this.pos);switch(++this.pos,e){case 110:return"\n";case 114:return"\r";case 120:return String.fromCharCode(this.readHexChar(2));case 117:return Pt(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(e>=48&&e<=55){var r=this.input.substr(this.pos-1,3).match(/^[0-7]+/)[0],i=parseInt(r,8);return i>255&&(r=r.slice(0,-1),i=parseInt(r,8)),this.pos+=r.length-1,e=this.input.charCodeAt(this.pos),"0"===r&&56!==e&&57!==e||!this.strict&&!t||this.invalidStringToken(this.pos-1-r.length,t?"Octal literal in template string":"Octal literal in strict mode"),String.fromCharCode(i)}return C(e)?"":String.fromCharCode(e)}},St.readHexChar=function(t){var e=this.pos,r=this.readInt(16,t);return null===r&&this.invalidStringToken(e,"Bad character escape sequence"),r},St.readWord1=function(){this.containsEsc=!1;for(var t="",e=!0,r=this.pos,i=this.options.ecmaVersion>=6;this.pos<this.input.length;){var n=this.fullCharCodeAtPos();if(m(n,i))this.pos+=n<=65535?1:2;else{if(92!==n)break;this.containsEsc=!0,t+=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();(e?d:m)(a,i)||this.invalidStringToken(s,"Invalid Unicode escape"),t+=Pt(a),r=this.pos}e=!1}return t+this.input.slice(r,this.pos)},St.readWord=function(){var t=this.readWord1(),e=w.name;return this.keywords.test(t)&&(this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword "+t),e=b[t]),this.finishToken(e,t)};var It="7.1.0";function Ot(t,e){return D.parse(t,e)}function Nt(t,e,r){return D.parseExpressionAt(t,e,r)}function Lt(t,e){return D.tokenizer(t,e)}D.acorn={Parser:D,version:It,defaultOptions:B,Position:j,SourceLocation:V,getLineInfo:R,Node:rt,TokenType:g,tokTypes:w,keywordTypes:b,TokContext:st,tokContexts:at,isIdentifierChar:m,isIdentifierStart:d,Token:Et,isNewLine:C,lineBreak:_,lineBreakG:A,nonASCIIwhitespace:E}},function(t,e,r){"use strict";var i=r(3),n=/^[\da-fA-F]+$/,h=/^\d+$/,u=new WeakMap;function l(t){t=t.Parser.acorn||t;var e=u.get(t);if(!e){var r=t.tokTypes,i=t.TokContext,n=t.TokenType,s=new i("<tag",!1),a=new i("</tag",!1),o=new i("<tag>...</tag>",!0,!0),c={tc_oTag:s,tc_cTag:a,tc_expr:o},h={jsxName:new n("jsxName"),jsxText:new n("jsxText",{beforeExpr:!0}),jsxTagStart:new n("jsxTagStart"),jsxTagEnd:new n("jsxTagEnd")};h.jsxTagStart.updateContext=function(){this.context.push(o),this.context.push(s),this.exprAllowed=!1},h.jsxTagEnd.updateContext=function(t){var e=this.context.pop();e===s&&t===r.slash||e===a?(this.context.pop(),this.exprAllowed=this.curContext()===o):this.exprAllowed=!0},e={tokContexts:c,tokTypes:h},u.set(t,e)}return e}function p(t){return t?"JSXIdentifier"===t.type?t.name:"JSXNamespacedName"===t.type?t.namespace.name+":"+t.name.name:"JSXMemberExpression"===t.type?p(t.object)+"."+p(t.property):void 0:t}t.exports=function(t){return t=t||{},function(e){return function(t,e){var u=e.acorn||r(1),f=l(u),d=u.tokTypes,m=f.tokTypes,g=u.tokContexts,v=f.tokContexts.tc_oTag,x=f.tokContexts.tc_cTag,y=f.tokContexts.tc_expr,b=u.isNewLine,k=u.isIdentifierStart,w=u.isIdentifierChar;return function(e){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&o(t,e)}(E,e);var r,u,l,_,A,C=(_=E,A=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}(),function(){var t,e=c(_);if(A){var r=c(this).constructor;t=Reflect.construct(e,arguments,r)}else t=e.apply(this,arguments);return function(t,e){if(e&&("object"==typeof e||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t)}(this,t)});function E(){return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,E),C.apply(this,arguments)}return r=E,u=[{key:"jsx_readToken",value:function(){for(var t="",e=this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated JSX contents");var r=this.input.charCodeAt(this.pos);switch(r){case 60:case 123:return this.pos===this.start?60===r&&this.exprAllowed?(++this.pos,this.finishToken(m.jsxTagStart)):this.getTokenFromCode(r):(t+=this.input.slice(e,this.pos),this.finishToken(m.jsxText,t));case 38:t+=this.input.slice(e,this.pos),t+=this.jsx_readEntity(),e=this.pos;break;default:b(r)?(t+=this.input.slice(e,this.pos),t+=this.jsx_readNewLine(!0),e=this.pos):++this.pos}}}},{key:"jsx_readNewLine",value:function(t){var e,r=this.input.charCodeAt(this.pos);return++this.pos,13===r&&10===this.input.charCodeAt(this.pos)?(++this.pos,e=t?"\n":"\r\n"):e=String.fromCharCode(r),this.options.locations&&(++this.curLine,this.lineStart=this.pos),e}},{key:"jsx_readString",value:function(t){for(var e="",r=++this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated string constant");var i=this.input.charCodeAt(this.pos);if(i===t)break;38===i?(e+=this.input.slice(r,this.pos),e+=this.jsx_readEntity(),r=this.pos):b(i)?(e+=this.input.slice(r,this.pos),e+=this.jsx_readNewLine(!1),r=this.pos):++this.pos}return e+=this.input.slice(r,this.pos++),this.finishToken(d.string,e)}},{key:"jsx_readEntity",value:function(){var t,e="",r=0,s=this.input[this.pos];"&"!==s&&this.raise(this.pos,"Entity must start with an ampersand");for(var a=++this.pos;this.pos<this.input.length&&r++<10;){if(";"===(s=this.input[this.pos++])){"#"===e[0]?"x"===e[1]?(e=e.substr(2),n.test(e)&&(t=String.fromCharCode(parseInt(e,16)))):(e=e.substr(1),h.test(e)&&(t=String.fromCharCode(parseInt(e,10)))):t=i[e];break}e+=s}return t||(this.pos=a,"&")}},{key:"jsx_readWord",value:function(){var t,e=this.pos;do{t=this.input.charCodeAt(++this.pos)}while(w(t)||45===t);return this.finishToken(m.jsxName,this.input.slice(e,this.pos))}},{key:"jsx_parseIdentifier",value:function(){var t=this.startNode();return this.type===m.jsxName?t.name=this.value:this.type.keyword?t.name=this.type.keyword:this.unexpected(),this.next(),this.finishNode(t,"JSXIdentifier")}},{key:"jsx_parseNamespacedName",value:function(){var e=this.start,r=this.startLoc,i=this.jsx_parseIdentifier();if(!t.allowNamespaces||!this.eat(d.colon))return i;var n=this.startNodeAt(e,r);return n.namespace=i,n.name=this.jsx_parseIdentifier(),this.finishNode(n,"JSXNamespacedName")}},{key:"jsx_parseElementName",value:function(){if(this.type===m.jsxTagEnd)return"";var e=this.start,r=this.startLoc,i=this.jsx_parseNamespacedName();for(this.type!==d.dot||"JSXNamespacedName"!==i.type||t.allowNamespacedObjects||this.unexpected();this.eat(d.dot);){var n=this.startNodeAt(e,r);n.object=i,n.property=this.jsx_parseIdentifier(),i=this.finishNode(n,"JSXMemberExpression")}return i}},{key:"jsx_parseAttributeValue",value:function(){switch(this.type){case d.braceL:var t=this.jsx_parseExpressionContainer();return"JSXEmptyExpression"===t.expression.type&&this.raise(t.start,"JSX attributes must only be assigned a non-empty expression"),t;case m.jsxTagStart:case d.string:return this.parseExprAtom();default:this.raise(this.start,"JSX value should be either an expression or a quoted JSX text")}}},{key:"jsx_parseEmptyExpression",value:function(){var t=this.startNodeAt(this.lastTokEnd,this.lastTokEndLoc);return this.finishNodeAt(t,"JSXEmptyExpression",this.start,this.startLoc)}},{key:"jsx_parseExpressionContainer",value:function(){var t=this.startNode();return this.next(),t.expression=this.type===d.braceR?this.jsx_parseEmptyExpression():this.parseExpression(),this.expect(d.braceR),this.finishNode(t,"JSXExpressionContainer")}},{key:"jsx_parseAttribute",value:function(){var t=this.startNode();return this.eat(d.braceL)?(this.expect(d.ellipsis),t.argument=this.parseMaybeAssign(),this.expect(d.braceR),this.finishNode(t,"JSXSpreadAttribute")):(t.name=this.jsx_parseNamespacedName(),t.value=this.eat(d.eq)?this.jsx_parseAttributeValue():null,this.finishNode(t,"JSXAttribute"))}},{key:"jsx_parseOpeningElementAt",value:function(t,e){var r=this.startNodeAt(t,e);r.attributes=[];var i=this.jsx_parseElementName();for(i&&(r.name=i);this.type!==d.slash&&this.type!==m.jsxTagEnd;)r.attributes.push(this.jsx_parseAttribute());return r.selfClosing=this.eat(d.slash),this.expect(m.jsxTagEnd),this.finishNode(r,i?"JSXOpeningElement":"JSXOpeningFragment")}},{key:"jsx_parseClosingElementAt",value:function(t,e){var r=this.startNodeAt(t,e),i=this.jsx_parseElementName();return i&&(r.name=i),this.expect(m.jsxTagEnd),this.finishNode(r,i?"JSXClosingElement":"JSXClosingFragment")}},{key:"jsx_parseElementAt",value:function(t,e){var r=this.startNodeAt(t,e),i=[],n=this.jsx_parseOpeningElementAt(t,e),s=null;if(!n.selfClosing){t:for(;;)switch(this.type){case m.jsxTagStart:if(t=this.start,e=this.startLoc,this.next(),this.eat(d.slash)){s=this.jsx_parseClosingElementAt(t,e);break t}i.push(this.jsx_parseElementAt(t,e));break;case m.jsxText:i.push(this.parseExprAtom());break;case d.braceL:i.push(this.jsx_parseExpressionContainer());break;default:this.unexpected()}p(s.name)!==p(n.name)&&this.raise(s.start,"Expected corresponding JSX closing tag for <"+p(n.name)+">")}var a=n.name?"Element":"Fragment";return r["opening"+a]=n,r["closing"+a]=s,r.children=i,this.type===d.relational&&"<"===this.value&&this.raise(this.start,"Adjacent JSX elements must be wrapped in an enclosing tag"),this.finishNode(r,"JSX"+a)}},{key:"jsx_parseText",value:function(t){var e=this.parseLiteral(t);return e.type="JSXText",e}},{key:"jsx_parseElement",value:function(){var t=this.start,e=this.startLoc;return 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