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e<=55295||e>=57344?e:(e<<10)+this.input.charCodeAt(this.state.pos+1)-56613888},e.prototype.pushComment=function(e,t,r,n,i,s){var a={type:e?"CommentBlock":"CommentLine",value:t,start:r,end:n,loc:new G(i,s)};this.isLookahead||(this.state.tokens.push(a),this.state.comments.push(a),this.addComment(a))},e.prototype.skipBlockComment=function(){var e=this.state.curPosition(),t=this.state.pos,r=this.input.indexOf("*/",this.state.pos+=2);-1===r&&this.raise(this.state.pos-2,"Unterminated comment"),this.state.pos=r+2,N.lastIndex=t;for(var n=void 0;(n=N.exec(this.input))&&n.index<this.state.pos;)++this.state.curLine,this.state.lineStart=n.index+n[0].length;this.pushComment(!0,this.input.slice(t+2,r),t,this.state.pos,e,this.state.curPosition())},e.prototype.skipLineComment=function(e){for(var t=this.state.pos,r=this.state.curPosition(),n=this.input.charCodeAt(this.state.pos+=e);this.state.pos<this.input.length&&10!==n&&13!==n&&8232!==n&&8233!==n;)++this.state.pos,n=this.input.charCodeAt(this.state.pos);this.pushComment(!1,this.input.slice(t+e,this.state.pos),t,this.state.pos,r,this.state.curPosition())},e.prototype.skipSpace=function(){e:for(;this.state.pos<this.input.length;){var e=this.input.charCodeAt(this.state.pos);switch(e){case 32:case 160:++this.state.pos;break;case 13:10===this.input.charCodeAt(this.state.pos+1)&&++this.state.pos;case 10:case 8232:case 8233:++this.state.pos,++this.state.curLine,this.state.lineStart=this.state.pos;break;case 47:switch(this.input.charCodeAt(this.state.pos+1)){case 42:this.skipBlockComment();break;case 47:this.skipLineComment(2);break;default:break e}break;default:if(!(e>8&&e<14||e>=5760&&L.test(String.fromCharCode(e))))break e;++this.state.pos}}},e.prototype.finishToken=function(e,t){this.state.end=this.state.pos,this.state.endLoc=this.state.curPosition();var r=this.state.type;this.state.type=e,this.state.value=t,this.updateContext(r)},e.prototype.readToken_dot=function(){var e=this.input.charCodeAt(this.state.pos+1);if(e>=48&&e<=57)return this.readNumber(!0);var t=this.input.charCodeAt(this.state.pos+2);return 46===e&&46===t?(this.state.pos+=3,this.finishToken(R.ellipsis)):(++this.state.pos,this.finishToken(R.dot))},e.prototype.readToken_slash=function(){return this.state.exprAllowed?(++this.state.pos,this.readRegexp()):61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(R.assign,2):this.finishOp(R.slash,1)},e.prototype.readToken_mult_modulo=function(e){var t=42===e?R.star:R.modulo,r=1,n=this.input.charCodeAt(this.state.pos+1);return 42===n&&(r++,n=this.input.charCodeAt(this.state.pos+2),t=R.exponent),61===n&&(r++,t=R.assign),this.finishOp(t,r)},e.prototype.readToken_pipe_amp=function(e){var t=this.input.charCodeAt(this.state.pos+1);return t===e?this.finishOp(124===e?R.logicalOR:R.logicalAND,2):61===t?this.finishOp(R.assign,2):124===e&&125===t&&this.hasPlugin("flow")?this.finishOp(R.braceBarR,2):this.finishOp(124===e?R.bitwiseOR:R.bitwiseAND,1)},e.prototype.readToken_caret=function(){return 61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(R.assign,2):this.finishOp(R.bitwiseXOR,1)},e.prototype.readToken_plus_min=function(e){var t=this.input.charCodeAt(this.state.pos+1);return t===e?45===t&&62===this.input.charCodeAt(this.state.pos+2)&&M.test(this.input.slice(this.state.lastTokEnd,this.state.pos))?(this.skipLineComment(3),this.skipSpace(),this.nextToken()):this.finishOp(R.incDec,2):61===t?this.finishOp(R.assign,2):this.finishOp(R.plusMin,1)},e.prototype.readToken_lt_gt=function(e){var t=this.input.charCodeAt(this.state.pos+1),r=1;return t===e?(r=62===e&&62===this.input.charCodeAt(this.state.pos+2)?3:2,61===this.input.charCodeAt(this.state.pos+r)?this.finishOp(R.assign,r+1):this.finishOp(R.bitShift,r)):33===t&&60===e&&45===this.input.charCodeAt(this.state.pos+2)&&45===this.input.charCodeAt(this.state.pos+3)?(this.inModule&&this.unexpected(),this.skipLineComment(4),this.skipSpace(),this.nextToken()):(61===t&&(r=2),this.finishOp(R.relational,r))},e.prototype.readToken_eq_excl=function(e){var t=this.input.charCodeAt(this.state.pos+1);return 61===t?this.finishOp(R.equality,61===this.input.charCodeAt(this.state.pos+2)?3:2):61===e&&62===t?(this.state.pos+=2,this.finishToken(R.arrow)):this.finishOp(61===e?R.eq:R.prefix,1)},e.prototype.getTokenFromCode=function(e){switch(e){case 46:return this.readToken_dot();case 40:return++this.state.pos,this.finishToken(R.parenL);case 41:return++this.state.pos,this.finishToken(R.parenR);case 59:return++this.state.pos,this.finishToken(R.semi);case 44:return++this.state.pos,this.finishToken(R.comma);case 91:return++this.state.pos,this.finishToken(R.bracketL);case 93:return++this.state.pos,this.finishToken(R.bracketR);case 123:return this.hasPlugin("flow")&&124===this.input.charCodeAt(this.state.pos+1)?this.finishOp(R.braceBarL,2):(++this.state.pos,this.finishToken(R.braceL));case 125:return++this.state.pos,this.finishToken(R.braceR);case 58:return this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(R.doubleColon,2):(++this.state.pos,this.finishToken(R.colon));case 63:return++this.state.pos,this.finishToken(R.question);case 64:return++this.state.pos,this.finishToken(R.at);case 96:return++this.state.pos,this.finishToken(R.backQuote);case 48:var t=this.input.charCodeAt(this.state.pos+1);if(120===t||88===t)return this.readRadixNumber(16);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(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(R.prefix,1)}this.raise(this.state.pos,"Unexpected character '"+l(e)+"'")},e.prototype.finishOp=function(e,t){var r=this.input.slice(this.state.pos,this.state.pos+t);return this.state.pos+=t,this.finishToken(e,r)},e.prototype.readRegexp=function(){for(var e=this.state.pos,t=void 0,r=void 0;;){this.state.pos>=this.input.length&&this.raise(e,"Unterminated regular expression");var n=this.input.charAt(this.state.pos);if(M.test(n)&&this.raise(e,"Unterminated regular expression"),t)t=!1;else{if("["===n)r=!0;else if("]"===n&&r)r=!1;else if("/"===n&&!r)break;t="\\"===n}++this.state.pos}var i=this.input.slice(e,this.state.pos);++this.state.pos;var s=this.readWord1();if(s){/^[gmsiyu]*$/.test(s)||this.raise(e,"Invalid regular expression flag")}return this.finishToken(R.regexp,{pattern:i,flags:s})},e.prototype.readInt=function(e,t){for(var r=this.state.pos,n=0,i=0,s=null==t?1/0:t;i<s;++i){var a=this.input.charCodeAt(this.state.pos),o=void 0;if((o=a>=97?a-97+10:a>=65?a-65+10:a>=48&&a<=57?a-48:1/0)>=e)break;++this.state.pos,n=n*e+o}return this.state.pos===r||null!=t&&this.state.pos-r!==t?null:n},e.prototype.readRadixNumber=function(e){this.state.pos+=2;var t=this.readInt(e);return null==t&&this.raise(this.state.start+2,"Expected number in radix "+e),i(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number"),this.finishToken(R.num,t)},e.prototype.readNumber=function(e){var t=this.state.pos,r=48===this.input.charCodeAt(t),n=!1;e||null!==this.readInt(10)||this.raise(t,"Invalid number"),r&&this.state.pos==t+1&&(r=!1);var s=this.input.charCodeAt(this.state.pos);46!==s||r||(++this.state.pos,this.readInt(10),n=!0,s=this.input.charCodeAt(this.state.pos)),69!==s&&101!==s||r||(s=this.input.charCodeAt(++this.state.pos),43!==s&&45!==s||++this.state.pos,null===this.readInt(10)&&this.raise(t,"Invalid number"),n=!0),i(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number");var a=this.input.slice(t,this.state.pos),o=void 0;return n?o=parseFloat(a):r&&1!==a.length?this.state.strict?this.raise(t,"Invalid number"):o=/[89]/.test(a)?parseInt(a,10):parseInt(a,8):o=parseInt(a,10),this.finishToken(R.num,o)},e.prototype.readCodePoint=function(e){var t=this.input.charCodeAt(this.state.pos),r=void 0;if(123===t){var n=++this.state.pos;if(r=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,e),++this.state.pos,null===r)--this.state.invalidTemplateEscapePosition;else if(r>1114111){if(!e)return this.state.invalidTemplateEscapePosition=n-2,null;this.raise(n,"Code point out of bounds")}}else r=this.readHexChar(4,e);return r},e.prototype.readString=function(e){for(var t="",r=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var n=this.input.charCodeAt(this.state.pos);if(n===e)break;92===n?(t+=this.input.slice(r,this.state.pos),t+=this.readEscapedChar(!1),r=this.state.pos):(o(n)&&this.raise(this.state.start,"Unterminated string constant"),++this.state.pos)}return t+=this.input.slice(r,this.state.pos++),this.finishToken(R.string,t)},e.prototype.readTmplToken=function(){for(var e="",t=this.state.pos,r=!1;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated template");var n=this.input.charCodeAt(this.state.pos);if(96===n||36===n&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(R.template)?36===n?(this.state.pos+=2,this.finishToken(R.dollarBraceL)):(++this.state.pos,this.finishToken(R.backQuote)):(e+=this.input.slice(t,this.state.pos),this.finishToken(R.template,r?null:e));if(92===n){e+=this.input.slice(t,this.state.pos);var i=this.readEscapedChar(!0);null===i?r=!0:e+=i,t=this.state.pos}else if(o(n)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,n){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(n)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}},e.prototype.readEscapedChar=function(e){var t=!e,r=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,r){case 110:return"\n";case 114:return"\r";case 120:var n=this.readHexChar(2,t);return null===n?null:String.fromCharCode(n);case 117:var i=this.readCodePoint(t);return null===i?null:l(i);case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:return this.state.lineStart=this.state.pos,++this.state.curLine,"";default:if(r>=48&&r<=55){var s=this.state.pos-1,a=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],o=parseInt(a,8);if(o>255&&(a=a.slice(0,-1),o=parseInt(a,8)),o>0){if(e)return this.state.invalidTemplateEscapePosition=s,null;this.state.strict?this.raise(s,"Octal literal in strict mode"):this.state.containsOctal||(this.state.containsOctal=!0,this.state.octalPosition=s)}return this.state.pos+=a.length-1,String.fromCharCode(o)}return String.fromCharCode(r)}},e.prototype.readHexChar=function(e,t){var r=this.state.pos,n=this.readInt(16,e);return null===n&&(t?this.raise(r,"Bad character escape sequence"):(this.state.pos=r-1,this.state.invalidTemplateEscapePosition=r-1)),n},e.prototype.readWord1=function(){this.state.containsEsc=!1;for(var e="",t=!0,r=this.state.pos;this.state.pos<this.input.length;){var n=this.fullCharCodeAtPos();if(s(n))this.state.pos+=n<=65535?1:2;else{if(92!==n)break;this.state.containsEsc=!0,e+=this.input.slice(r,this.state.pos);var a=this.state.pos;117!==this.input.charCodeAt(++this.state.pos)&&this.raise(this.state.pos,"Expecting Unicode escape sequence \\uXXXX"),++this.state.pos;var o=this.readCodePoint(!0);(t?i:s)(o,!0)||this.raise(a,"Invalid Unicode escape"),e+=l(o),r=this.state.pos}t=!1}return e+this.input.slice(r,this.state.pos)},e.prototype.readWord=function(){var e=this.readWord1(),t=R.name;return!this.state.containsEsc&&this.isKeyword(e)&&(t=I[e]),this.finishToken(t,e)},e.prototype.braceIsBlock=function(e){if(e===R.colon){var t=this.curContext();if(t===U.braceStatement||t===U.braceExpression)return!t.isExpr}return e===R._return?M.test(this.input.slice(this.state.lastTokEnd,this.state.start)):e===R._else||e===R.semi||e===R.eof||e===R.parenR||(e===R.braceL?this.curContext()===U.braceStatement:!this.state.exprAllowed)},e.prototype.updateContext=function(e){var t=this.state.type,r=void 0;t.keyword&&e===R.dot?this.state.exprAllowed=!1:(r=t.updateContext)?r.call(this,e):this.state.exprAllowed=t.beforeExpr},e}(),K={},H=["jsx","doExpressions","objectRestSpread","decorators","classProperties","exportExtensions","asyncGenerators","functionBind","functionSent","dynamicImport","flow"],J=function(e){function t(r,n){w(this,t),r=a(r);var i=k(this,e.call(this,r,n));return i.options=r,i.inModule="module"===i.options.sourceType,i.input=n,i.plugins=i.loadPlugins(i.options.plugins),i.filename=r.sourceFilename,0===i.state.pos&&"#"===i.input[0]&&"!"===i.input[1]&&i.skipLineComment(2),i}return P(t,e),t.prototype.isReservedWord=function(e){return"await"===e?this.inModule:v[6](e)},t.prototype.hasPlugin=function(e){return!!(this.plugins["*"]&&H.indexOf(e)>-1)||!!this.plugins[e]},t.prototype.extend=function(e,t){this[e]=t(this[e])},t.prototype.loadAllPlugins=function(){var e=this,t=Object.keys(K).filter(function(e){return"flow"!==e&&"estree"!==e});t.push("flow"),t.forEach(function(t){var r=K[t];r&&r(e)})},t.prototype.loadPlugins=function(e){if(e.indexOf("*")>=0)return this.loadAllPlugins(),{"*":!0};var t={};e.indexOf("flow")>=0&&(e=e.filter(function(e){return"flow"!==e}),e.push("flow")),e.indexOf("estree")>=0&&(e=e.filter(function(e){return"estree"!==e}),e.unshift("estree"));for(var r=e,n=Array.isArray(r),i=0,r=n?r:r[Symbol.iterator]();;){var s;if(n){if(i>=r.length)break;s=r[i++]}else{if(i=r.next(),i.done)break;s=i.value}var a=s;if(!t[a]){t[a]=!0;var o=K[a];o&&o(this)}}return t},t.prototype.parse=function(){var e=this.startNode(),t=this.startNode();return this.nextToken(),this.parseTopLevel(e,t)},t}(q),X=J.prototype;X.addExtra=function(e,t,r){if(e){(e.extra=e.extra||{})[t]=r}},X.isRelational=function(e){return this.match(R.relational)&&this.state.value===e},X.expectRelational=function(e){this.isRelational(e)?this.next():this.unexpected(null,R.relational)},X.isContextual=function(e){return this.match(R.name)&&this.state.value===e},X.eatContextual=function(e){return this.state.value===e&&this.eat(R.name)},X.expectContextual=function(e,t){this.eatContextual(e)||this.unexpected(null,t)},X.canInsertSemicolon=function(){return this.match(R.eof)||this.match(R.braceR)||M.test(this.input.slice(this.state.lastTokEnd,this.state.start))},X.isLineTerminator=function(){return this.eat(R.semi)||this.canInsertSemicolon()},X.semicolon=function(){this.isLineTerminator()||this.unexpected(null,R.semi)},X.expect=function(e,t){return this.eat(e)||this.unexpected(t,e)},X.unexpected=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"Unexpected token";t&&"object"===(void 0===t?"undefined":C(t))&&t.label&&(t="Unexpected token, expected "+t.label),this.raise(null!=e?e:this.state.start,t)};var z=J.prototype;z.parseTopLevel=function(e,t){return t.sourceType=this.options.sourceType,this.parseBlockBody(t,!0,!0,R.eof),e.program=this.finishNode(t,"Program"),e.comments=this.state.comments,e.tokens=this.state.tokens,this.finishNode(e,"File")};var $={kind:"loop"},Q={kind:"switch"};z.stmtToDirective=function(e){var t=e.expression,r=this.startNodeAt(t.start,t.loc.start),n=this.startNodeAt(e.start,e.loc.start),i=this.input.slice(t.start,t.end),s=r.value=i.slice(1,-1);return this.addExtra(r,"raw",i),this.addExtra(r,"rawValue",s),n.value=this.finishNodeAt(r,"DirectiveLiteral",t.end,t.loc.end),this.finishNodeAt(n,"Directive",e.end,e.loc.end)},z.parseStatement=function(e,t){this.match(R.at)&&this.parseDecorators(!0);var r=this.state.type,n=this.startNode();switch(r){case R._break:case R._continue:return this.parseBreakContinueStatement(n,r.keyword);case R._debugger:return this.parseDebuggerStatement(n);case R._do:return this.parseDoStatement(n);case R._for:return this.parseForStatement(n);case R._function:return e||this.unexpected(),this.parseFunctionStatement(n);case R._class:return e||this.unexpected(),this.parseClass(n,!0);case R._if:return this.parseIfStatement(n);case R._return:return this.parseReturnStatement(n);case R._switch:return this.parseSwitchStatement(n);case R._throw:return this.parseThrowStatement(n);case R._try:return this.parseTryStatement(n);case R._let:case R._const:e||this.unexpected();case R._var:return this.parseVarStatement(n,r);case R._while:return this.parseWhileStatement(n);case R._with:return this.parseWithStatement(n);case R.braceL:return this.parseBlock();case R.semi:return this.parseEmptyStatement(n);case R._export:case R._import:if(this.hasPlugin("dynamicImport")&&this.lookahead().type===R.parenL)break;return 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R.bracketL:var e=this.startNode();return this.next(),e.elements=this.parseBindingList(R.bracketR,!0),this.finishNode(e,"ArrayPattern");case R.braceL:return this.parseObj(!0);default:this.unexpected()}},ee.parseBindingList=function(e,t){for(var r=[],n=!0;!this.eat(e);)if(n?n=!1:this.expect(R.comma),t&&this.match(R.comma))r.push(null);else{if(this.eat(e))break;if(this.match(R.ellipsis)){r.push(this.parseAssignableListItemTypes(this.parseRest())),this.expect(e);break}for(var i=[];this.match(R.at);)i.push(this.parseDecorator());var s=this.parseMaybeDefault();i.length&&(s.decorators=i),this.parseAssignableListItemTypes(s),r.push(this.parseMaybeDefault(s.start,s.loc.start,s))}return r},ee.parseAssignableListItemTypes=function(e){return e},ee.parseMaybeDefault=function(e,t,r){if(t=t||this.state.startLoc,e=e||this.state.start,r=r||this.parseBindingAtom(),!this.eat(R.eq))return r;var n=this.startNodeAt(e,t);return n.left=r,n.right=this.parseMaybeAssign(),this.finishNode(n,"AssignmentPattern")},ee.checkLVal=function(e,t,r,n){switch(e.type){case"Identifier":if(this.checkReservedWord(e.name,e.start,!1,!0),r){var i="_"+e.name;r[i]?this.raise(e.start,"Argument name clash in strict mode"):r[i]=!0}break;case"MemberExpression":t&&this.raise(e.start,(t?"Binding":"Assigning to")+" member expression");break;case"ObjectPattern":for(var s=e.properties,a=Array.isArray(s),o=0,s=a?s:s[Symbol.iterator]();;){var u;if(a){if(o>=s.length)break;u=s[o++]}else{if(o=s.next(),o.done)break;u=o.value}var l=u;"ObjectProperty"===l.type&&(l=l.value),this.checkLVal(l,t,r,"object destructuring pattern")}break;case"ArrayPattern":for(var c=e.elements,f=Array.isArray(c),p=0,c=f?c:c[Symbol.iterator]();;){var d;if(f){if(p>=c.length)break;d=c[p++]}else{if(p=c.next(),p.done)break;d=p.value}var h=d;h&&this.checkLVal(h,t,r,"array destructuring pattern")}break;case"AssignmentPattern":this.checkLVal(e.left,t,r,"assignment pattern");break;case"RestProperty":this.checkLVal(e.argument,t,r,"rest property");break;case"RestElement":this.checkLVal(e.argument,t,r,"rest element");break;default:var m=(t?"Binding invalid":"Invalid")+" left-hand side"+(n?" in "+n:"expression");this.raise(e.start,m)}};var te=J.prototype;te.checkPropClash=function(e,t){if(!e.computed&&!e.kind){var r=e.key;"__proto__"===("Identifier"===r.type?r.name:String(r.value))&&(t.proto&&this.raise(r.start,"Redefinition of __proto__ property"),t.proto=!0)}},te.getExpression=function(){this.nextToken();var e=this.parseExpression();return this.match(R.eof)||this.unexpected(),e},te.parseExpression=function(e,t){var r=this.state.start,n=this.state.startLoc,i=this.parseMaybeAssign(e,t);if(this.match(R.comma)){var s=this.startNodeAt(r,n);for(s.expressions=[i];this.eat(R.comma);)s.expressions.push(this.parseMaybeAssign(e,t));return this.toReferencedList(s.expressions),this.finishNode(s,"SequenceExpression")}return i},te.parseMaybeAssign=function(e,t,r,n){var i=this.state.start,s=this.state.startLoc;if(this.match(R._yield)&&this.state.inGenerator){var a=this.parseYield();return r&&(a=r.call(this,a,i,s)),a}var o=void 0;t?o=!1:(t={start:0},o=!0),(this.match(R.parenL)||this.match(R.name))&&(this.state.potentialArrowAt=this.state.start);var u=this.parseMaybeConditional(e,t,n);if(r&&(u=r.call(this,u,i,s)),this.state.type.isAssign){var l=this.startNodeAt(i,s);if(l.operator=this.state.value,l.left=this.match(R.eq)?this.toAssignable(u,void 0,"assignment expression"):u,t.start=0,this.checkLVal(u,void 0,void 0,"assignment expression"),u.extra&&u.extra.parenthesized){var c=void 0;"ObjectPattern"===u.type?c="`({a}) = 0` use `({a} = 0)`":"ArrayPattern"===u.type&&(c="`([a]) = 0` use `([a] = 0)`"),c&&this.raise(u.start,"You're trying to assign to a parenthesized expression, eg. instead of "+c)}return this.next(),l.right=this.parseMaybeAssign(e),this.finishNode(l,"AssignmentExpression")}return o&&t.start&&this.unexpected(t.start),u},te.parseMaybeConditional=function(e,t,r){var n=this.state.start,i=this.state.startLoc,s=this.parseExprOps(e,t);return t&&t.start?s:this.parseConditional(s,e,n,i,r)},te.parseConditional=function(e,t,r,n){if(this.eat(R.question)){var i=this.startNodeAt(r,n);return i.test=e,i.consequent=this.parseMaybeAssign(),this.expect(R.colon),i.alternate=this.parseMaybeAssign(t),this.finishNode(i,"ConditionalExpression")}return e},te.parseExprOps=function(e,t){var r=this.state.start,n=this.state.startLoc,i=this.parseMaybeUnary(t);return t&&t.start?i:this.parseExprOp(i,r,n,-1,e)},te.parseExprOp=function(e,t,r,n,i){var s=this.state.type.binop;if(!(null==s||i&&this.match(R._in))&&s>n){var a=this.startNodeAt(t,r);a.left=e,a.operator=this.state.value,"**"!==a.operator||"UnaryExpression"!==e.type||!e.extra||e.extra.parenthesizedArgument||e.extra.parenthesized||this.raise(e.argument.start,"Illegal expression. Wrap left hand side or entire exponentiation in parentheses.");var o=this.state.type;this.next();var u=this.state.start,l=this.state.startLoc;return a.right=this.parseExprOp(this.parseMaybeUnary(),u,l,o.rightAssociative?s-1:s,i),this.finishNode(a,o===R.logicalOR||o===R.logicalAND?"LogicalExpression":"BinaryExpression"),this.parseExprOp(a,t,r,n,i)}return e},te.parseMaybeUnary=function(e){if(this.state.type.prefix){var t=this.startNode(),r=this.match(R.incDec);t.operator=this.state.value,t.prefix=!0,this.next();var n=this.state.type;return t.argument=this.parseMaybeUnary(),this.addExtra(t,"parenthesizedArgument",!(n!==R.parenL||t.argument.extra&&t.argument.extra.parenthesized)),e&&e.start&&this.unexpected(e.start),r?this.checkLVal(t.argument,void 0,void 0,"prefix operation"):this.state.strict&&"delete"===t.operator&&"Identifier"===t.argument.type&&this.raise(t.start,"Deleting local variable in strict mode"),this.finishNode(t,r?"UpdateExpression":"UnaryExpression")}var i=this.state.start,s=this.state.startLoc,a=this.parseExprSubscripts(e);if(e&&e.start)return a;for(;this.state.type.postfix&&!this.canInsertSemicolon();){var o=this.startNodeAt(i,s);o.operator=this.state.value,o.prefix=!1,o.argument=a,this.checkLVal(a,void 0,void 0,"postfix operation"),this.next(),a=this.finishNode(o,"UpdateExpression")}return a},te.parseExprSubscripts=function(e){var t=this.state.start,r=this.state.startLoc,n=this.state.potentialArrowAt,i=this.parseExprAtom(e);return"ArrowFunctionExpression"===i.type&&i.start===n?i:e&&e.start?i:this.parseSubscripts(i,t,r)},te.parseSubscripts=function(e,t,r,n){for(;;){if(!n&&this.eat(R.doubleColon)){var i=this.startNodeAt(t,r);return i.object=e,i.callee=this.parseNoCallExpr(),this.parseSubscripts(this.finishNode(i,"BindExpression"),t,r,n)}if(this.eat(R.dot)){var s=this.startNodeAt(t,r);s.object=e,s.property=this.parseIdentifier(!0),s.computed=!1,e=this.finishNode(s,"MemberExpression")}else if(this.eat(R.bracketL)){var a=this.startNodeAt(t,r);a.object=e,a.property=this.parseExpression(),a.computed=!0,this.expect(R.bracketR),e=this.finishNode(a,"MemberExpression")}else if(!n&&this.match(R.parenL)){var o=this.state.potentialArrowAt===e.start&&"Identifier"===e.type&&"async"===e.name&&!this.canInsertSemicolon();this.next();var u=this.startNodeAt(t,r);if(u.callee=e,u.arguments=this.parseCallExpressionArguments(R.parenR,o),"Import"===u.callee.type&&1!==u.arguments.length&&this.raise(u.start,"import() requires exactly one argument"),e=this.finishNode(u,"CallExpression"),o&&this.shouldParseAsyncArrow())return this.parseAsyncArrowFromCallExpression(this.startNodeAt(t,r),u);this.toReferencedList(u.arguments)}else{if(!this.match(R.backQuote))return e;var l=this.startNodeAt(t,r);l.tag=e,l.quasi=this.parseTemplate(!0),e=this.finishNode(l,"TaggedTemplateExpression")}}},te.parseCallExpressionArguments=function(e,t){for(var r=[],n=void 0,i=!0;!this.eat(e);){if(i)i=!1;else if(this.expect(R.comma),this.eat(e))break;this.match(R.parenL)&&!n&&(n=this.state.start),r.push(this.parseExprListItem(!1,t?{start:0}:void 0,t?{start:0}:void 0))}return t&&n&&this.shouldParseAsyncArrow()&&this.unexpected(),r},te.shouldParseAsyncArrow=function(){return this.match(R.arrow)},te.parseAsyncArrowFromCallExpression=function(e,t){return this.expect(R.arrow),this.parseArrowExpression(e,t.arguments,!0)},te.parseNoCallExpr=function(){var e=this.state.start,t=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),e,t,!0)},te.parseExprAtom=function(e){var t=this.state.potentialArrowAt===this.state.start,r=void 0;switch(this.state.type){case R._super:return this.state.inMethod||this.state.inClassProperty||this.options.allowSuperOutsideMethod||this.raise(this.state.start,"'super' outside of function or class"),r=this.startNode(),this.next(),this.match(R.parenL)||this.match(R.bracketL)||this.match(R.dot)||this.unexpected(),this.match(R.parenL)&&"constructor"!==this.state.inMethod&&!this.options.allowSuperOutsideMethod&&this.raise(r.start,"super() outside of class constructor"),this.finishNode(r,"Super");case R._import:return this.hasPlugin("dynamicImport")||this.unexpected(),r=this.startNode(),this.next(),this.match(R.parenL)||this.unexpected(null,R.parenL),this.finishNode(r,"Import");case R._this:return r=this.startNode(),this.next(),this.finishNode(r,"ThisExpression");case R._yield:this.state.inGenerator&&this.unexpected();case R.name:r=this.startNode();var n="await"===this.state.value&&this.state.inAsync,i=this.shouldAllowYieldIdentifier(),s=this.parseIdentifier(n||i);if("await"===s.name){if(this.state.inAsync||this.inModule)return this.parseAwait(r)}else{if("async"===s.name&&this.match(R._function)&&!this.canInsertSemicolon())return this.next(),this.parseFunction(r,!1,!1,!0);if(t&&"async"===s.name&&this.match(R.name)){var a=[this.parseIdentifier()];return this.expect(R.arrow),this.parseArrowExpression(r,a,!0)}}return t&&!this.canInsertSemicolon()&&this.eat(R.arrow)?this.parseArrowExpression(r,[s]):s;case R._do:if(this.hasPlugin("doExpressions")){var o=this.startNode();this.next();var u=this.state.inFunction,l=this.state.labels;return this.state.labels=[],this.state.inFunction=!1,o.body=this.parseBlock(!1,!0),this.state.inFunction=u,this.state.labels=l,this.finishNode(o,"DoExpression")}case R.regexp:var c=this.state.value;return r=this.parseLiteral(c.value,"RegExpLiteral"),r.pattern=c.pattern,r.flags=c.flags,r;case R.num:return this.parseLiteral(this.state.value,"NumericLiteral");case R.string:return this.parseLiteral(this.state.value,"StringLiteral");case R._null:return r=this.startNode(),this.next(),this.finishNode(r,"NullLiteral");case R._true:case R._false:return r=this.startNode(),r.value=this.match(R._true),this.next(),this.finishNode(r,"BooleanLiteral");case R.parenL:return this.parseParenAndDistinguishExpression(null,null,t);case R.bracketL:return r=this.startNode(),this.next(),r.elements=this.parseExprList(R.bracketR,!0,e),this.toReferencedList(r.elements),this.finishNode(r,"ArrayExpression");case R.braceL:return this.parseObj(!1,e);case R._function:return this.parseFunctionExpression();case R.at:this.parseDecorators();case R._class:return r=this.startNode(),this.takeDecorators(r),this.parseClass(r,!1);case R._new:return this.parseNew();case R.backQuote:return this.parseTemplate(!1);case R.doubleColon:r=this.startNode(),this.next(),r.object=null;var f=r.callee=this.parseNoCallExpr();if("MemberExpression"===f.type)return this.finishNode(r,"BindExpression");this.raise(f.start,"Binding should be performed on object property.");default:this.unexpected()}},te.parseFunctionExpression=function(){var e=this.startNode(),t=this.parseIdentifier(!0);return this.state.inGenerator&&this.eat(R.dot)&&this.hasPlugin("functionSent")?this.parseMetaProperty(e,t,"sent"):this.parseFunction(e,!1)},te.parseMetaProperty=function(e,t,r){return e.meta=t,e.property=this.parseIdentifier(!0),e.property.name!==r&&this.raise(e.property.start,"The only valid meta property for new is "+t.name+"."+r),this.finishNode(e,"MetaProperty")},te.parseLiteral=function(e,t,r,n){r=r||this.state.start,n=n||this.state.startLoc;var i=this.startNodeAt(r,n);return this.addExtra(i,"rawValue",e),this.addExtra(i,"raw",this.input.slice(r,this.state.end)),i.value=e,this.next(),this.finishNode(i,t)},te.parseParenExpression=function(){this.expect(R.parenL);var e=this.parseExpression();return this.expect(R.parenR),e},te.parseParenAndDistinguishExpression=function(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;var n=void 0;this.expect(R.parenL);for(var i=this.state.start,s=this.state.startLoc,a=[],o={start:0},u={start:0},l=!0,c=void 0,f=void 0;!this.match(R.parenR);){if(l)l=!1;else if(this.expect(R.comma,u.start||null),this.match(R.parenR)){f=this.state.start;break}
if(this.match(R.ellipsis)){var p=this.state.start,d=this.state.startLoc;c=this.state.start,a.push(this.parseParenItem(this.parseRest(),p,d));break}a.push(this.parseMaybeAssign(!1,o,this.parseParenItem,u))}var h=this.state.start,m=this.state.startLoc;this.expect(R.parenR);var y=this.startNodeAt(e,t);if(r&&this.shouldParseArrow()&&(y=this.parseArrow(y))){for(var v=a,g=Array.isArray(v),b=0,v=g?v:v[Symbol.iterator]();;){var E;if(g){if(b>=v.length)break;E=v[b++]}else{if(b=v.next(),b.done)break;E=b.value}var x=E;x.extra&&x.extra.parenthesized&&this.unexpected(x.extra.parenStart)}return this.parseArrowExpression(y,a)}return a.length||this.unexpected(this.state.lastTokStart),f&&this.unexpected(f),c&&this.unexpected(c),o.start&&this.unexpected(o.start),u.start&&this.unexpected(u.start),a.length>1?(n=this.startNodeAt(i,s),n.expressions=a,this.toReferencedList(n.expressions),this.finishNodeAt(n,"SequenceExpression",h,m)):n=a[0],this.addExtra(n,"parenthesized",!0),this.addExtra(n,"parenStart",e),n},te.shouldParseArrow=function(){return!this.canInsertSemicolon()},te.parseArrow=function(e){if(this.eat(R.arrow))return e},te.parseParenItem=function(e){return e},te.parseNew=function(){var e=this.startNode(),t=this.parseIdentifier(!0);if(this.eat(R.dot)){var r=this.parseMetaProperty(e,t,"target");return this.state.inFunction||this.raise(r.property.start,"new.target can only be used in functions"),r}return e.callee=this.parseNoCallExpr(),this.eat(R.parenL)?(e.arguments=this.parseExprList(R.parenR),this.toReferencedList(e.arguments)):e.arguments=[],this.finishNode(e,"NewExpression")},te.parseTemplateElement=function(e){var t=this.startNode();return null===this.state.value&&(e&&this.hasPlugin("templateInvalidEscapes")?this.state.invalidTemplateEscapePosition=null:this.raise(this.state.invalidTemplateEscapePosition,"Invalid escape sequence in template")),t.value={raw:this.input.slice(this.state.start,this.state.end).replace(/\r\n?/g,"\n"),cooked:this.state.value},this.next(),t.tail=this.match(R.backQuote),this.finishNode(t,"TemplateElement")},te.parseTemplate=function(e){var t=this.startNode();this.next(),t.expressions=[];var r=this.parseTemplateElement(e);for(t.quasis=[r];!r.tail;)this.expect(R.dollarBraceL),t.expressions.push(this.parseExpression()),this.expect(R.braceR),t.quasis.push(r=this.parseTemplateElement(e));return this.next(),this.finishNode(t,"TemplateLiteral")},te.parseObj=function(e,t){var r=[],n=Object.create(null),i=!0,s=this.startNode();s.properties=[],this.next();for(var a=null;!this.eat(R.braceR);){if(i)i=!1;else if(this.expect(R.comma),this.eat(R.braceR))break;for(;this.match(R.at);)r.push(this.parseDecorator());var o=this.startNode(),u=!1,l=!1,c=void 0,f=void 0;if(r.length&&(o.decorators=r,r=[]),this.hasPlugin("objectRestSpread")&&this.match(R.ellipsis)){if(o=this.parseSpread(e?{start:0}:void 0),o.type=e?"RestProperty":"SpreadProperty",e&&this.toAssignable(o.argument,!0,"object pattern"),s.properties.push(o),!e)continue;var p=this.state.start;if(null===a){if(this.eat(R.braceR))break;if(this.match(R.comma)&&this.lookahead().type===R.braceR)continue;a=p;continue}this.unexpected(a,"Cannot have multiple rest elements when destructuring")}if(o.method=!1,o.shorthand=!1,(e||t)&&(c=this.state.start,f=this.state.startLoc),e||(u=this.eat(R.star)),!e&&this.isContextual("async")){u&&this.unexpected();var d=this.parseIdentifier();this.match(R.colon)||this.match(R.parenL)||this.match(R.braceR)||this.match(R.eq)||this.match(R.comma)?(o.key=d,o.computed=!1):(l=!0,this.hasPlugin("asyncGenerators")&&(u=this.eat(R.star)),this.parsePropertyName(o))}else this.parsePropertyName(o);this.parseObjPropValue(o,c,f,u,l,e,t),this.checkPropClash(o,n),o.shorthand&&this.addExtra(o,"shorthand",!0),s.properties.push(o)}return null!==a&&this.unexpected(a,"The rest element has to be the last element when destructuring"),r.length&&this.raise(this.state.start,"You have trailing decorators with no property"),this.finishNode(s,e?"ObjectPattern":"ObjectExpression")},te.isGetterOrSetterMethod=function(e,t){return!t&&!e.computed&&"Identifier"===e.key.type&&("get"===e.key.name||"set"===e.key.name)&&(this.match(R.string)||this.match(R.num)||this.match(R.bracketL)||this.match(R.name)||this.state.type.keyword)},te.checkGetterSetterParamCount=function(e){var t="get"===e.kind?0:1;if(e.params.length!==t){var r=e.start;"get"===e.kind?this.raise(r,"getter should have no params"):this.raise(r,"setter should have exactly one param")}},te.parseObjectMethod=function(e,t,r,n){return r||t||this.match(R.parenL)?(n&&this.unexpected(),e.kind="method",e.method=!0,this.parseMethod(e,t,r),this.finishNode(e,"ObjectMethod")):this.isGetterOrSetterMethod(e,n)?((t||r)&&this.unexpected(),e.kind=e.key.name,this.parsePropertyName(e),this.parseMethod(e),this.checkGetterSetterParamCount(e),this.finishNode(e,"ObjectMethod")):void 0},te.parseObjectProperty=function(e,t,r,n,i){return this.eat(R.colon)?(e.value=n?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssign(!1,i),this.finishNode(e,"ObjectProperty")):e.computed||"Identifier"!==e.key.type?void 0:(this.checkReservedWord(e.key.name,e.key.start,!0,!0),n?e.value=this.parseMaybeDefault(t,r,e.key.__clone()):this.match(R.eq)&&i?(i.start||(i.start=this.state.start),e.value=this.parseMaybeDefault(t,r,e.key.__clone())):e.value=e.key.__clone(),e.shorthand=!0,this.finishNode(e,"ObjectProperty"))},te.parseObjPropValue=function(e,t,r,n,i,s,a){var o=this.parseObjectMethod(e,n,i,s)||this.parseObjectProperty(e,t,r,s,a);return o||this.unexpected(),o},te.parsePropertyName=function(e){if(this.eat(R.bracketL))e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(R.bracketR);else{e.computed=!1;var t=this.state.inPropertyName;this.state.inPropertyName=!0,e.key=this.match(R.num)||this.match(R.string)?this.parseExprAtom():this.parseIdentifier(!0),this.state.inPropertyName=t}return e.key},te.initFunction=function(e,t){e.id=null,e.generator=!1,e.expression=!1,e.async=!!t},te.parseMethod=function(e,t,r){var n=this.state.inMethod;return this.state.inMethod=e.kind||!0,this.initFunction(e,r),this.expect(R.parenL),e.params=this.parseBindingList(R.parenR),e.generator=!!t,this.parseFunctionBody(e),this.state.inMethod=n,e},te.parseArrowExpression=function(e,t,r){return this.initFunction(e,r),e.params=this.toAssignableList(t,!0,"arrow function parameters"),this.parseFunctionBody(e,!0),this.finishNode(e,"ArrowFunctionExpression")},te.isStrictBody=function(e,t){if(!t&&e.body.directives.length)for(var r=e.body.directives,n=Array.isArray(r),i=0,r=n?r:r[Symbol.iterator]();;){var s;if(n){if(i>=r.length)break;s=r[i++]}else{if(i=r.next(),i.done)break;s=i.value}var a=s;if("use strict"===a.value.value)return!0}return!1},te.parseFunctionBody=function(e,t){var r=t&&!this.match(R.braceL),n=this.state.inAsync;if(this.state.inAsync=e.async,r)e.body=this.parseMaybeAssign(),e.expression=!0;else{var i=this.state.inFunction,s=this.state.inGenerator,a=this.state.labels;this.state.inFunction=!0,this.state.inGenerator=e.generator,this.state.labels=[],e.body=this.parseBlock(!0),e.expression=!1,this.state.inFunction=i,this.state.inGenerator=s,this.state.labels=a}this.state.inAsync=n;var o=this.isStrictBody(e,r),u=this.state.strict||t||o;if(o&&e.id&&"Identifier"===e.id.type&&"yield"===e.id.name&&this.raise(e.id.start,"Binding yield in strict mode"),u){var l=Object.create(null),c=this.state.strict;o&&(this.state.strict=!0),e.id&&this.checkLVal(e.id,!0,void 0,"function name");for(var f=e.params,p=Array.isArray(f),d=0,f=p?f:f[Symbol.iterator]();;){var h;if(p){if(d>=f.length)break;h=f[d++]}else{if(d=f.next(),d.done)break;h=d.value}var m=h;o&&"Identifier"!==m.type&&this.raise(m.start,"Non-simple parameter in strict mode"),this.checkLVal(m,!0,l,"function parameter list")}this.state.strict=c}},te.parseExprList=function(e,t,r){for(var n=[],i=!0;!this.eat(e);){if(i)i=!1;else if(this.expect(R.comma),this.eat(e))break;n.push(this.parseExprListItem(t,r))}return n},te.parseExprListItem=function(e,t,r){return e&&this.match(R.comma)?null:this.match(R.ellipsis)?this.parseSpread(t):this.parseMaybeAssign(!1,t,this.parseParenItem,r)},te.parseIdentifier=function(e){var t=this.startNode();return e||this.checkReservedWord(this.state.value,this.state.start,!!this.state.type.keyword,!1),this.match(R.name)?t.name=this.state.value:this.state.type.keyword?t.name=this.state.type.keyword:this.unexpected(),!e&&"await"===t.name&&this.state.inAsync&&this.raise(t.start,"invalid use of await inside of an async function"),t.loc.identifierName=t.name,this.next(),this.finishNode(t,"Identifier")},te.checkReservedWord=function(e,t,r,n){(this.isReservedWord(e)||r&&this.isKeyword(e))&&this.raise(t,e+" is a reserved word"),this.state.strict&&(v.strict(e)||n&&v.strictBind(e))&&this.raise(t,e+" is a reserved word in strict mode")},te.parseAwait=function(e){return this.state.inAsync||this.unexpected(),this.match(R.star)&&this.raise(e.start,"await* has been removed from the async functions proposal. Use Promise.all() instead."),e.argument=this.parseMaybeUnary(),this.finishNode(e,"AwaitExpression")},te.parseYield=function(){var e=this.startNode();return this.next(),this.match(R.semi)||this.canInsertSemicolon()||!this.match(R.star)&&!this.state.type.startsExpr?(e.delegate=!1,e.argument=null):(e.delegate=this.eat(R.star),e.argument=this.parseMaybeAssign()),this.finishNode(e,"YieldExpression")};var re=J.prototype,ne=["leadingComments","trailingComments","innerComments"],ie=function(){function e(t,r,n){w(this,e),this.type="",this.start=t,this.end=0,this.loc=new G(r),n&&(this.loc.filename=n)}return e.prototype.__clone=function(){var t=new e;for(var r in this)ne.indexOf(r)<0&&(t[r]=this[r]);return t},e}();re.startNode=function(){return new ie(this.state.start,this.state.startLoc,this.filename)},re.startNodeAt=function(e,t){return new ie(e,t,this.filename)},re.finishNode=function(e,t){return c.call(this,e,t,this.state.lastTokEnd,this.state.lastTokEndLoc)},re.finishNodeAt=function(e,t,r,n){return c.call(this,e,t,r,n)},J.prototype.raise=function(e,t){var r=u(this.input,e);t+=" ("+r.line+":"+r.column+")";var n=new SyntaxError(t);throw n.pos=e,n.loc=r,n};var se=J.prototype;se.addComment=function(e){this.filename&&(e.loc.filename=this.filename),this.state.trailingComments.push(e),this.state.leadingComments.push(e)},se.processComment=function(e){if(!("Program"===e.type&&e.body.length>0)){var t=this.state.commentStack,r=void 0,n=void 0,i=void 0,s=void 0,a=void 0;if(this.state.trailingComments.length>0)this.state.trailingComments[0].start>=e.end?(i=this.state.trailingComments,this.state.trailingComments=[]):this.state.trailingComments.length=0;else{var o=f(t);t.length>0&&o.trailingComments&&o.trailingComments[0].start>=e.end&&(i=o.trailingComments,o.trailingComments=null)}for(t.length>0&&f(t).start>=e.start&&(r=t.pop());t.length>0&&f(t).start>=e.start;)n=t.pop();if(!n&&r&&(n=r),r&&this.state.leadingComments.length>0){var u=f(this.state.leadingComments);if("ObjectProperty"===r.type){if(u.start>=e.start&&this.state.commentPreviousNode){for(a=0;a<this.state.leadingComments.length;a++)this.state.leadingComments[a].end<this.state.commentPreviousNode.end&&(this.state.leadingComments.splice(a,1),a--);this.state.leadingComments.length>0&&(r.trailingComments=this.state.leadingComments,this.state.leadingComments=[])}}else if("CallExpression"===e.type&&e.arguments&&e.arguments.length){var l=f(e.arguments);l&&u.start>=l.start&&u.end<=e.end&&this.state.commentPreviousNode&&this.state.leadingComments.length>0&&(l.trailingComments=this.state.leadingComments,this.state.leadingComments=[])}}if(n){if(n.leadingComments)if(n!==e&&f(n.leadingComments).end<=e.start)e.leadingComments=n.leadingComments,n.leadingComments=null;else for(s=n.leadingComments.length-2;s>=0;--s)if(n.leadingComments[s].end<=e.start){e.leadingComments=n.leadingComments.splice(0,s+1);break}}else if(this.state.leadingComments.length>0)if(f(this.state.leadingComments).end<=e.start){if(this.state.commentPreviousNode)for(a=0;a<this.state.leadingComments.length;a++)this.state.leadingComments[a].end<this.state.commentPreviousNode.end&&(this.state.leadingComments.splice(a,1),a--);this.state.leadingComments.length>0&&(e.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(s=0;s<this.state.leadingComments.length&&!(this.state.leadingComments[s].end>e.start);s++);e.leadingComments=this.state.leadingComments.slice(0,s),0===e.leadingComments.length&&(e.leadingComments=null),i=this.state.leadingComments.slice(s),0===i.length&&(i=null)}this.state.commentPreviousNode=e,i&&(i.length&&i[0].start>=e.start&&f(i).end<=e.end?e.innerComments=i:e.trailingComments=i),t.push(e)}};var ae=J.prototype;ae.estreeParseRegExpLiteral=function(e){var t=e.pattern,r=e.flags,n=null;try{n=new RegExp(t,r)}catch(e){}var i=this.estreeParseLiteral(n);return i.regex={pattern:t,flags:r},i},ae.estreeParseLiteral=function(e){return this.parseLiteral(e,"Literal")},ae.directiveToStmt=function(e){var t=e.value,r=this.startNodeAt(e.start,e.loc.start),n=this.startNodeAt(t.start,t.loc.start);return n.value=t.value,n.raw=t.extra.raw,r.expression=this.finishNodeAt(n,"Literal",t.end,t.loc.end),r.directive=t.extra.raw.slice(1,-1),this.finishNodeAt(r,"ExpressionStatement",e.end,e.loc.end)};var oe=function(e){e.extend("checkDeclaration",function(e){return function(t){p(t)?this.checkDeclaration(t.value):e.call(this,t)}}),e.extend("checkGetterSetterParamCount",function(){return function(e){var t="get"===e.kind?0:1;if(e.value.params.length!==t){var r=e.start;"get"===e.kind?this.raise(r,"getter should have no params"):this.raise(r,"setter should have exactly one param")}}}),e.extend("checkLVal",function(e){return function(t,r,n){var i=this;switch(t.type){case"ObjectPattern":t.properties.forEach(function(e){i.checkLVal("Property"===e.type?e.value:e,r,n,"object destructuring pattern")});break;default:for(var s=arguments.length,a=Array(s>3?s-3:0),o=3;o<s;o++)a[o-3]=arguments[o];e.call.apply(e,[this,t,r,n].concat(a))}}}),e.extend("checkPropClash",function(){return function(e,t){if(!e.computed&&p(e)){var r=e.key;"__proto__"===("Identifier"===r.type?r.name:String(r.value))&&(t.proto&&this.raise(r.start,"Redefinition of __proto__ property"),t.proto=!0)}}}),e.extend("isStrictBody",function(){return function(e,t){if(!t&&e.body.body.length>0)for(var r=e.body.body,n=Array.isArray(r),i=0,r=n?r:r[Symbol.iterator]();;){var s;if(n){if(i>=r.length)break;s=r[i++]}else{if(i=r.next(),i.done)break;s=i.value}var a=s;if("ExpressionStatement"!==a.type||"Literal"!==a.expression.type)break;if("use strict"===a.expression.value)return!0}return!1}}),e.extend("isValidDirective",function(){return function(e){return!("ExpressionStatement"!==e.type||"Literal"!==e.expression.type||"string"!=typeof e.expression.value||e.expression.extra&&e.expression.extra.parenthesized)}}),e.extend("stmtToDirective",function(e){return function(t){var r=e.call(this,t),n=t.expression.value;return r.value.value=n,r}}),e.extend("parseBlockBody",function(e){return function(t){for(var r=this,n=arguments.length,i=Array(n>1?n-1:0),s=1;s<n;s++)i[s-1]=arguments[s];e.call.apply(e,[this,t].concat(i)),t.directives.reverse().forEach(function(e){t.body.unshift(r.directiveToStmt(e))}),delete t.directives}}),e.extend("parseClassMethod",function(){return function(e,t,r,n){this.parseMethod(t,r,n),t.typeParameters&&(t.value.typeParameters=t.typeParameters,delete t.typeParameters),e.body.push(this.finishNode(t,"MethodDefinition"))}}),e.extend("parseExprAtom",function(e){return function(){switch(this.state.type){case R.regexp:return this.estreeParseRegExpLiteral(this.state.value);case R.num:case R.string:return this.estreeParseLiteral(this.state.value);case R._null:return this.estreeParseLiteral(null);case R._true:return this.estreeParseLiteral(!0);case R._false:return this.estreeParseLiteral(!1);default:for(var t=arguments.length,r=Array(t),n=0;n<t;n++)r[n]=arguments[n];return e.call.apply(e,[this].concat(r))}}}),e.extend("parseLiteral",function(e){return function(){for(var t=arguments.length,r=Array(t),n=0;n<t;n++)r[n]=arguments[n];var i=e.call.apply(e,[this].concat(r));return i.raw=i.extra.raw,delete i.extra,i}}),e.extend("parseMethod",function(e){return function(t){var r=this.startNode();r.kind=t.kind;for(var n=arguments.length,i=Array(n>1?n-1:0),s=1;s<n;s++)i[s-1]=arguments[s];return r=e.call.apply(e,[this,r].concat(i)),delete r.kind,t.value=this.finishNode(r,"FunctionExpression"),t}}),e.extend("parseObjectMethod",function(e){return function(){for(var t=arguments.length,r=Array(t),n=0;n<t;n++)r[n]=arguments[n];var i=e.call.apply(e,[this].concat(r));return i&&("method"===i.kind&&(i.kind="init"),i.type="Property"),i}}),e.extend("parseObjectProperty",function(e){return function(){for(var t=arguments.length,r=Array(t),n=0;n<t;n++)r[n]=arguments[n];var i=e.call.apply(e,[this].concat(r));return i&&(i.kind="init",i.type="Property"),i}}),e.extend("toAssignable",function(e){return function(t,r){for(var n=arguments.length,i=Array(n>2?n-2:0),s=2;s<n;s++)i[s-2]=arguments[s];if(p(t))return this.toAssignable.apply(this,[t.value,r].concat(i)),t;if("ObjectExpression"===t.type){t.type="ObjectPattern";for(var a=t.properties,o=Array.isArray(a),u=0,a=o?a:a[Symbol.iterator]();;){var l;if(o){if(u>=a.length)break;l=a[u++]}else{if(u=a.next(),u.done)break;l=u.value}var c=l;"get"===c.kind||"set"===c.kind?this.raise(c.key.start,"Object pattern can't contain getter or setter"):c.method?this.raise(c.key.start,"Object pattern can't contain methods"):this.toAssignable(c,r,"object destructuring pattern")}return t}return e.call.apply(e,[this,t,r].concat(i))}})},ue=["any","mixed","empty","bool","boolean","number","string","void","null"],le=J.prototype;le.flowParseTypeInitialiser=function(e){var t=this.state.inType;this.state.inType=!0,this.expect(e||R.colon);var r=this.flowParseType();return this.state.inType=t,r},le.flowParsePredicate=function(){var e=this.startNode(),t=this.state.startLoc,r=this.state.start;this.expect(R.modulo);var n=this.state.startLoc;return this.expectContextual("checks"),t.line===n.line&&t.column===n.column-1||this.raise(r,"Spaces between ´%´ and ´checks´ are not allowed here."),this.eat(R.parenL)?(e.expression=this.parseExpression(),this.expect(R.parenR),this.finishNode(e,"DeclaredPredicate")):this.finishNode(e,"InferredPredicate")},le.flowParseTypeAndPredicateInitialiser=function(){var e=this.state.inType;this.state.inType=!0,this.expect(R.colon);var t=null,r=null;return this.match(R.modulo)?(this.state.inType=e,r=this.flowParsePredicate()):(t=this.flowParseType(),this.state.inType=e,this.match(R.modulo)&&(r=this.flowParsePredicate())),[t,r]},le.flowParseDeclareClass=function(e){return this.next(),this.flowParseInterfaceish(e,!0),this.finishNode(e,"DeclareClass")},le.flowParseDeclareFunction=function(e){this.next();var t=e.id=this.parseIdentifier(),r=this.startNode(),n=this.startNode();this.isRelational("<")?r.typeParameters=this.flowParseTypeParameterDeclaration():r.typeParameters=null,this.expect(R.parenL);var i=this.flowParseFunctionTypeParams();r.params=i.params,r.rest=i.rest,this.expect(R.parenR);var s=null,a=this.flowParseTypeAndPredicateInitialiser();return r.returnType=a[0],s=a[1],n.typeAnnotation=this.finishNode(r,"FunctionTypeAnnotation"),n.predicate=s,t.typeAnnotation=this.finishNode(n,"TypeAnnotation"),this.finishNode(t,t.type),this.semicolon(),this.finishNode(e,"DeclareFunction")},le.flowParseDeclare=function(e){return this.match(R._class)?this.flowParseDeclareClass(e):this.match(R._function)?this.flowParseDeclareFunction(e):this.match(R._var)?this.flowParseDeclareVariable(e):this.isContextual("module")?this.lookahead().type===R.dot?this.flowParseDeclareModuleExports(e):this.flowParseDeclareModule(e):this.isContextual("type")?this.flowParseDeclareTypeAlias(e):this.isContextual("opaque")?this.flowParseDeclareOpaqueType(e):this.isContextual("interface")?this.flowParseDeclareInterface(e):this.match(R._export)?this.flowParseDeclareExportDeclaration(e):void this.unexpected()},le.flowParseDeclareExportDeclaration=function(e){if(this.expect(R._export),this.isContextual("opaque"))return e.declaration=this.flowParseDeclare(this.startNode()),e.default=!1,this.finishNode(e,"DeclareExportDeclaration");throw this.unexpected()},le.flowParseDeclareVariable=function(e){return this.next(),e.id=this.flowParseTypeAnnotatableIdentifier(),this.semicolon(),this.finishNode(e,"DeclareVariable")},le.flowParseDeclareModule=function(e){this.next(),this.match(R.string)?e.id=this.parseExprAtom():e.id=this.parseIdentifier();var t=e.body=this.startNode(),r=t.body=[];for(this.expect(R.braceL);!this.match(R.braceR);){var n=this.startNode();if(this.match(R._import)){var i=this.lookahead();"type"!==i.value&&"typeof"!==i.value&&this.unexpected(null,"Imports within a `declare module` body must always be `import type` or `import typeof`"),this.parseImport(n)}else this.expectContextual("declare","Only declares and type imports are allowed inside declare module"),n=this.flowParseDeclare(n,!0);r.push(n)}return this.expect(R.braceR),this.finishNode(t,"BlockStatement"),this.finishNode(e,"DeclareModule")},le.flowParseDeclareModuleExports=function(e){return this.expectContextual("module"),this.expect(R.dot),this.expectContextual("exports"),e.typeAnnotation=this.flowParseTypeAnnotation(),this.semicolon(),this.finishNode(e,"DeclareModuleExports")},le.flowParseDeclareTypeAlias=function(e){return this.next(),this.flowParseTypeAlias(e),this.finishNode(e,"DeclareTypeAlias")},le.flowParseDeclareOpaqueType=function(e){return this.next(),this.flowParseOpaqueType(e,!0),this.finishNode(e,"DeclareOpaqueType")},le.flowParseDeclareInterface=function(e){return this.next(),this.flowParseInterfaceish(e),this.finishNode(e,"DeclareInterface")},le.flowParseInterfaceish=function(e){if(e.id=this.parseIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.extends=[],e.mixins=[],this.eat(R._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(this.eat(R.comma));if(this.isContextual("mixins")){this.next();do{e.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(R.comma))}e.body=this.flowParseObjectType(!0,!1,!1)},le.flowParseInterfaceExtends=function(){var e=this.startNode();return e.id=this.flowParseQualifiedTypeIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,this.finishNode(e,"InterfaceExtends")},le.flowParseInterface=function(e){return this.flowParseInterfaceish(e,!1),this.finishNode(e,"InterfaceDeclaration")},le.flowParseRestrictedIdentifier=function(e){return ue.indexOf(this.state.value)>-1&&this.raise(this.state.start,"Cannot overwrite primitive type "+this.state.value),this.parseIdentifier(e)},le.flowParseTypeAlias=function(e){return e.id=this.flowParseRestrictedIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.right=this.flowParseTypeInitialiser(R.eq),this.semicolon(),this.finishNode(e,"TypeAlias")},le.flowParseOpaqueType=function(e,t){return this.expectContextual("type"),e.id=this.flowParseRestrictedIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.supertype=null,this.match(R.colon)&&(e.supertype=this.flowParseTypeInitialiser(R.colon)),e.impltype=null,t||(e.impltype=this.flowParseTypeInitialiser(R.eq)),this.semicolon(),this.finishNode(e,"OpaqueType")},le.flowParseTypeParameter=function(){var e=this.startNode(),t=this.flowParseVariance(),r=this.flowParseTypeAnnotatableIdentifier();return e.name=r.name,e.variance=t,e.bound=r.typeAnnotation,this.match(R.eq)&&(this.eat(R.eq),e.default=this.flowParseType()),this.finishNode(e,"TypeParameter")},le.flowParseTypeParameterDeclaration=function(){var e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(R.jsxTagStart)?this.next():this.unexpected();do{t.params.push(this.flowParseTypeParameter()),this.isRelational(">")||this.expect(R.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterDeclaration")},le.flowParseTypeParameterInstantiation=function(){var e=this.startNode(),t=this.state.inType;for(e.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(R.comma);return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")},le.flowParseObjectPropertyKey=function(){return this.match(R.num)||this.match(R.string)?this.parseExprAtom():this.parseIdentifier(!0)},le.flowParseObjectTypeIndexer=function(e,t,r){return e.static=t,this.expect(R.bracketL),this.lookahead().type===R.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(R.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=r,this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeIndexer")},le.flowParseObjectTypeMethodish=function(e){for(e.params=[],e.rest=null,e.typeParameters=null,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(R.parenL);!this.match(R.parenR)&&!this.match(R.ellipsis);)e.params.push(this.flowParseFunctionTypeParam()),this.match(R.parenR)||this.expect(R.comma);return this.eat(R.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),this.expect(R.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")},le.flowParseObjectTypeMethod=function(e,t,r,n){var i=this.startNodeAt(e,t);return i.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e,t)),i.static=r,i.key=n,i.optional=!1,this.flowObjectTypeSemicolon(),this.finishNode(i,"ObjectTypeProperty")},le.flowParseObjectTypeCallProperty=function(e,t){var r=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(r),this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeCallProperty")},le.flowParseObjectType=function(e,t,r){var n=this.state.inType;this.state.inType=!0;var i=this.startNode(),s=void 0,a=void 0,o=!1;i.callProperties=[],i.properties=[],i.indexers=[];var u=void 0,l=void 0;for(t&&this.match(R.braceBarL)?(this.expect(R.braceBarL),u=R.braceBarR,l=!0):(this.expect(R.braceL),u=R.braceR,l=!1),i.exact=l;!this.match(u);){var c=!1,f=this.state.start,p=this.state.startLoc;s=this.startNode(),e&&this.isContextual("static")&&this.lookahead().type!==R.colon&&(this.next(),o=!0);var d=this.state.start,h=this.flowParseVariance();this.match(R.bracketL)?i.indexers.push(this.flowParseObjectTypeIndexer(s,o,h)):this.match(R.parenL)||this.isRelational("<")?(h&&this.unexpected(d),i.callProperties.push(this.flowParseObjectTypeCallProperty(s,o))):this.match(R.ellipsis)?(r||this.unexpected(null,"Spread operator cannot appear in class or interface definitions"),h&&this.unexpected(h.start,"Spread properties cannot have variance"),this.expect(R.ellipsis),s.argument=this.flowParseType(),this.flowObjectTypeSemicolon(),i.properties.push(this.finishNode(s,"ObjectTypeSpreadProperty"))):(a=this.flowParseObjectPropertyKey(),this.isRelational("<")||this.match(R.parenL)?(h&&this.unexpected(h.start),i.properties.push(this.flowParseObjectTypeMethod(f,p,o,a))):(this.eat(R.question)&&(c=!0),s.key=a,s.value=this.flowParseTypeInitialiser(),s.optional=c,s.static=o,s.variance=h,this.flowObjectTypeSemicolon(),i.properties.push(this.finishNode(s,"ObjectTypeProperty")))),o=!1}this.expect(u);var m=this.finishNode(i,"ObjectTypeAnnotation");return this.state.inType=n,m},le.flowObjectTypeSemicolon=function(){this.eat(R.semi)||this.eat(R.comma)||this.match(R.braceR)||this.match(R.braceBarR)||this.unexpected()},le.flowParseQualifiedTypeIdentifier=function(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;for(var n=r||this.parseIdentifier();this.eat(R.dot);){var i=this.startNodeAt(e,t);i.qualification=n,i.id=this.parseIdentifier(),n=this.finishNode(i,"QualifiedTypeIdentifier")}return n},le.flowParseGenericType=function(e,t,r){var n=this.startNodeAt(e,t);return n.typeParameters=null,n.id=this.flowParseQualifiedTypeIdentifier(e,t,r),this.isRelational("<")&&(n.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(n,"GenericTypeAnnotation")},le.flowParseTypeofType=function(){var e=this.startNode();return this.expect(R._typeof),e.argument=this.flowParsePrimaryType(),this.finishNode(e,"TypeofTypeAnnotation")},le.flowParseTupleType=function(){var e=this.startNode();for(e.types=[],this.expect(R.bracketL);this.state.pos<this.input.length&&!this.match(R.bracketR)&&(e.types.push(this.flowParseType()),!this.match(R.bracketR));)this.expect(R.comma);return this.expect(R.bracketR),this.finishNode(e,"TupleTypeAnnotation")},le.flowParseFunctionTypeParam=function(){var e=null,t=!1,r=null,n=this.startNode(),i=this.lookahead();return i.type===R.colon||i.type===R.question?(e=this.parseIdentifier(),this.eat(R.question)&&(t=!0),r=this.flowParseTypeInitialiser()):r=this.flowParseType(),n.name=e,n.optional=t,n.typeAnnotation=r,this.finishNode(n,"FunctionTypeParam")},le.reinterpretTypeAsFunctionTypeParam=function(e){var t=this.startNodeAt(e.start,e.loc.start);return t.name=null,t.optional=!1,t.typeAnnotation=e,this.finishNode(t,"FunctionTypeParam")},le.flowParseFunctionTypeParams=function(){for(var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],t={params:e,rest:null};!this.match(R.parenR)&&!this.match(R.ellipsis);)t.params.push(this.flowParseFunctionTypeParam()),this.match(R.parenR)||this.expect(R.comma);return this.eat(R.ellipsis)&&(t.rest=this.flowParseFunctionTypeParam()),t},le.flowIdentToTypeAnnotation=function(e,t,r,n){switch(n.name){case"any":return this.finishNode(r,"AnyTypeAnnotation");case"void":return this.finishNode(r,"VoidTypeAnnotation");case"bool":case"boolean":return this.finishNode(r,"BooleanTypeAnnotation");case"mixed":return this.finishNode(r,"MixedTypeAnnotation");case"empty":return this.finishNode(r,"EmptyTypeAnnotation");case"number":return this.finishNode(r,"NumberTypeAnnotation");case"string":return this.finishNode(r,"StringTypeAnnotation");default:return this.flowParseGenericType(e,t,n)}},le.flowParsePrimaryType=function(){var e=this.state.start,t=this.state.startLoc,r=this.startNode(),n=void 0,i=void 0,s=!1,a=this.state.noAnonFunctionType;switch(this.state.type){case R.name:return this.flowIdentToTypeAnnotation(e,t,r,this.parseIdentifier());case R.braceL:return this.flowParseObjectType(!1,!1,!0);case R.braceBarL:return this.flowParseObjectType(!1,!0,!0);case R.bracketL:return this.flowParseTupleType();case R.relational:if("<"===this.state.value)return r.typeParameters=this.flowParseTypeParameterDeclaration(),this.expect(R.parenL),n=this.flowParseFunctionTypeParams(),r.params=n.params,r.rest=n.rest,this.expect(R.parenR),this.expect(R.arrow),r.returnType=this.flowParseType(),this.finishNode(r,"FunctionTypeAnnotation");break;case R.parenL:if(this.next(),!this.match(R.parenR)&&!this.match(R.ellipsis))if(this.match(R.name)){var o=this.lookahead().type;s=o!==R.question&&o!==R.colon}else s=!0;if(s){if(this.state.noAnonFunctionType=!1,i=this.flowParseType(),this.state.noAnonFunctionType=a,this.state.noAnonFunctionType||!(this.match(R.comma)||this.match(R.parenR)&&this.lookahead().type===R.arrow))return this.expect(R.parenR),i;this.eat(R.comma)}return n=i?this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(i)]):this.flowParseFunctionTypeParams(),r.params=n.params,r.rest=n.rest,this.expect(R.parenR),this.expect(R.arrow),r.returnType=this.flowParseType(),r.typeParameters=null,this.finishNode(r,"FunctionTypeAnnotation");case R.string:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case R._true:case R._false:return r.value=this.match(R._true),this.next(),this.finishNode(r,"BooleanLiteralTypeAnnotation");case R.plusMin:if("-"===this.state.value)return this.next(),
this.match(R.num)||this.unexpected(null,"Unexpected token, expected number"),this.parseLiteral(-this.state.value,"NumericLiteralTypeAnnotation",r.start,r.loc.start);this.unexpected();case R.num:return this.parseLiteral(this.state.value,"NumericLiteralTypeAnnotation");case R._null:return r.value=this.match(R._null),this.next(),this.finishNode(r,"NullLiteralTypeAnnotation");case R._this:return r.value=this.match(R._this),this.next(),this.finishNode(r,"ThisTypeAnnotation");case R.star:return this.next(),this.finishNode(r,"ExistentialTypeParam");default:if("typeof"===this.state.type.keyword)return this.flowParseTypeofType()}this.unexpected()},le.flowParsePostfixType=function(){for(var e=this.state.start,t=this.state.startLoc,r=this.flowParsePrimaryType();!this.canInsertSemicolon()&&this.match(R.bracketL);){var n=this.startNodeAt(e,t);n.elementType=r,this.expect(R.bracketL),this.expect(R.bracketR),r=this.finishNode(n,"ArrayTypeAnnotation")}return r},le.flowParsePrefixType=function(){var e=this.startNode();return this.eat(R.question)?(e.typeAnnotation=this.flowParsePrefixType(),this.finishNode(e,"NullableTypeAnnotation")):this.flowParsePostfixType()},le.flowParseAnonFunctionWithoutParens=function(){var e=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(R.arrow)){var t=this.startNodeAt(e.start,e.loc.start);return t.params=[this.reinterpretTypeAsFunctionTypeParam(e)],t.rest=null,t.returnType=this.flowParseType(),t.typeParameters=null,this.finishNode(t,"FunctionTypeAnnotation")}return e},le.flowParseIntersectionType=function(){var e=this.startNode();this.eat(R.bitwiseAND);var t=this.flowParseAnonFunctionWithoutParens();for(e.types=[t];this.eat(R.bitwiseAND);)e.types.push(this.flowParseAnonFunctionWithoutParens());return 1===e.types.length?t:this.finishNode(e,"IntersectionTypeAnnotation")},le.flowParseUnionType=function(){var e=this.startNode();this.eat(R.bitwiseOR);var t=this.flowParseIntersectionType();for(e.types=[t];this.eat(R.bitwiseOR);)e.types.push(this.flowParseIntersectionType());return 1===e.types.length?t:this.finishNode(e,"UnionTypeAnnotation")},le.flowParseType=function(){var e=this.state.inType;this.state.inType=!0;var t=this.flowParseUnionType();return this.state.inType=e,t},le.flowParseTypeAnnotation=function(){var e=this.startNode();return e.typeAnnotation=this.flowParseTypeInitialiser(),this.finishNode(e,"TypeAnnotation")},le.flowParseTypeAndPredicateAnnotation=function(){var e=this.startNode(),t=this.flowParseTypeAndPredicateInitialiser();return e.typeAnnotation=t[0],e.predicate=t[1],this.finishNode(e,"TypeAnnotation")},le.flowParseTypeAnnotatableIdentifier=function(){var e=this.flowParseRestrictedIdentifier();return this.match(R.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(e,e.type)),e},le.typeCastToParameter=function(e){return e.expression.typeAnnotation=e.typeAnnotation,this.finishNodeAt(e.expression,e.expression.type,e.typeAnnotation.end,e.typeAnnotation.loc.end)},le.flowParseVariance=function(){var e=null;return this.match(R.plusMin)&&("+"===this.state.value?e="plus":"-"===this.state.value&&(e="minus"),this.next()),e};var ce=function(e){e.extend("parseFunctionBody",function(e){return function(t,r){return this.match(R.colon)&&!r&&(t.returnType=this.flowParseTypeAndPredicateAnnotation()),e.call(this,t,r)}}),e.extend("parseStatement",function(e){return function(t,r){if(this.state.strict&&this.match(R.name)&&"interface"===this.state.value){var n=this.startNode();return this.next(),this.flowParseInterface(n)}return e.call(this,t,r)}}),e.extend("parseExpressionStatement",function(e){return function(t,r){if("Identifier"===r.type)if("declare"===r.name){if(this.match(R._class)||this.match(R.name)||this.match(R._function)||this.match(R._var)||this.match(R._export))return this.flowParseDeclare(t)}else if(this.match(R.name)){if("interface"===r.name)return this.flowParseInterface(t);if("type"===r.name)return this.flowParseTypeAlias(t);if("opaque"===r.name)return this.flowParseOpaqueType(t,!1)}return e.call(this,t,r)}}),e.extend("shouldParseExportDeclaration",function(e){return function(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||e.call(this)}}),e.extend("isExportDefaultSpecifier",function(e){return function(){return(!this.match(R.name)||"type"!==this.state.value&&"interface"!==this.state.value&&"opaque"!==this.state.value)&&e.call(this)}}),e.extend("parseConditional",function(e){return function(t,r,n,i,s){if(s&&this.match(R.question)){var a=this.state.clone();try{return e.call(this,t,r,n,i)}catch(e){if(e instanceof SyntaxError)return this.state=a,s.start=e.pos||this.state.start,t;throw e}}return e.call(this,t,r,n,i)}}),e.extend("parseParenItem",function(e){return function(t,r,n){if(t=e.call(this,t,r,n),this.eat(R.question)&&(t.optional=!0),this.match(R.colon)){var i=this.startNodeAt(r,n);return i.expression=t,i.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(i,"TypeCastExpression")}return t}}),e.extend("parseExport",function(e){return function(t){return t=e.call(this,t),"ExportNamedDeclaration"===t.type&&(t.exportKind=t.exportKind||"value"),t}}),e.extend("parseExportDeclaration",function(e){return function(t){if(this.isContextual("type")){t.exportKind="type";var r=this.startNode();return this.next(),this.match(R.braceL)?(t.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(t),null):this.flowParseTypeAlias(r)}if(this.isContextual("opaque")){t.exportKind="type";var n=this.startNode();return this.next(),this.flowParseOpaqueType(n,!1)}if(this.isContextual("interface")){t.exportKind="type";var i=this.startNode();return this.next(),this.flowParseInterface(i)}return e.call(this,t)}}),e.extend("parseClassId",function(e){return function(t){e.apply(this,arguments),this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration())}}),e.extend("isKeyword",function(e){return function(t){return(!this.state.inType||"void"!==t)&&e.call(this,t)}}),e.extend("readToken",function(e){return function(t){return!this.state.inType||62!==t&&60!==t?e.call(this,t):this.finishOp(R.relational,1)}}),e.extend("jsx_readToken",function(e){return function(){if(!this.state.inType)return e.call(this)}}),e.extend("toAssignable",function(e){return function(t,r,n){return"TypeCastExpression"===t.type?e.call(this,this.typeCastToParameter(t),r,n):e.call(this,t,r,n)}}),e.extend("toAssignableList",function(e){return function(t,r,n){for(var i=0;i<t.length;i++){var s=t[i];s&&"TypeCastExpression"===s.type&&(t[i]=this.typeCastToParameter(s))}return e.call(this,t,r,n)}}),e.extend("toReferencedList",function(){return function(e){for(var t=0;t<e.length;t++){var r=e[t];r&&r._exprListItem&&"TypeCastExpression"===r.type&&this.raise(r.start,"Unexpected type cast")}return e}}),e.extend("parseExprListItem",function(e){return function(){for(var t=this.startNode(),r=arguments.length,n=Array(r),i=0;i<r;i++)n[i]=arguments[i];var s=e.call.apply(e,[this].concat(n));return this.match(R.colon)?(t._exprListItem=!0,t.expression=s,t.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(t,"TypeCastExpression")):s}}),e.extend("checkLVal",function(e){return function(t){if("TypeCastExpression"!==t.type)return e.apply(this,arguments)}}),e.extend("parseClassProperty",function(e){return function(t){return delete t.variancePos,this.match(R.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),e.call(this,t)}}),e.extend("isClassMethod",function(e){return function(){return this.isRelational("<")||e.call(this)}}),e.extend("isClassProperty",function(e){return function(){return this.match(R.colon)||e.call(this)}}),e.extend("isNonstaticConstructor",function(e){return function(t){return!this.match(R.colon)&&e.call(this,t)}}),e.extend("parseClassMethod",function(e){return function(t,r){r.variance&&this.unexpected(r.variancePos),delete r.variance,delete r.variancePos,this.isRelational("<")&&(r.typeParameters=this.flowParseTypeParameterDeclaration());for(var n=arguments.length,i=Array(n>2?n-2:0),s=2;s<n;s++)i[s-2]=arguments[s];e.call.apply(e,[this,t,r].concat(i))}}),e.extend("parseClassSuper",function(e){return function(t,r){if(e.call(this,t,r),t.superClass&&this.isRelational("<")&&(t.superTypeParameters=this.flowParseTypeParameterInstantiation()),this.isContextual("implements")){this.next();var n=t.implements=[];do{var i=this.startNode();i.id=this.parseIdentifier(),this.isRelational("<")?i.typeParameters=this.flowParseTypeParameterInstantiation():i.typeParameters=null,n.push(this.finishNode(i,"ClassImplements"))}while(this.eat(R.comma))}}}),e.extend("parsePropertyName",function(e){return function(t){var r=this.state.start,n=this.flowParseVariance(),i=e.call(this,t);return t.variance=n,t.variancePos=r,i}}),e.extend("parseObjPropValue",function(e){return function(t){t.variance&&this.unexpected(t.variancePos),delete t.variance,delete t.variancePos;var r=void 0;this.isRelational("<")&&(r=this.flowParseTypeParameterDeclaration(),this.match(R.parenL)||this.unexpected()),e.apply(this,arguments),r&&((t.value||t).typeParameters=r)}}),e.extend("parseAssignableListItemTypes",function(){return function(e){return this.eat(R.question)&&(e.optional=!0),this.match(R.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),this.finishNode(e,e.type),e}}),e.extend("parseMaybeDefault",function(e){return function(){for(var t=arguments.length,r=Array(t),n=0;n<t;n++)r[n]=arguments[n];var i=e.apply(this,r);return"AssignmentPattern"===i.type&&i.typeAnnotation&&i.right.start<i.typeAnnotation.start&&this.raise(i.typeAnnotation.start,"Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`"),i}}),e.extend("parseImportSpecifiers",function(e){return function(t){t.importKind="value";var r=null;if(this.match(R._typeof)?r="typeof":this.isContextual("type")&&(r="type"),r){var n=this.lookahead();(n.type===R.name&&"from"!==n.value||n.type===R.braceL||n.type===R.star)&&(this.next(),t.importKind=r)}e.call(this,t)}}),e.extend("parseImportSpecifier",function(){return function(e){var t=this.startNode(),r=this.state.start,n=this.parseIdentifier(!0),i=null;"type"===n.name?i="type":"typeof"===n.name&&(i="typeof");var s=!1;if(this.isContextual("as")){var a=this.parseIdentifier(!0);null===i||this.match(R.name)||this.state.type.keyword?(t.imported=n,t.importKind=null,t.local=this.parseIdentifier()):(t.imported=a,t.importKind=i,t.local=a.__clone())}else null!==i&&(this.match(R.name)||this.state.type.keyword)?(t.imported=this.parseIdentifier(!0),t.importKind=i,this.eatContextual("as")?t.local=this.parseIdentifier():(s=!0,t.local=t.imported.__clone())):(s=!0,t.imported=n,t.importKind=null,t.local=t.imported.__clone());"type"!==e.importKind&&"typeof"!==e.importKind||"type"!==t.importKind&&"typeof"!==t.importKind||this.raise(r,"`The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements`"),s&&this.checkReservedWord(t.local.name,t.start,!0,!0),this.checkLVal(t.local,!0,void 0,"import specifier"),e.specifiers.push(this.finishNode(t,"ImportSpecifier"))}}),e.extend("parseFunctionParams",function(e){return function(t){this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),e.call(this,t)}}),e.extend("parseVarHead",function(e){return function(t){e.call(this,t),this.match(R.colon)&&(t.id.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(t.id,t.id.type))}}),e.extend("parseAsyncArrowFromCallExpression",function(e){return function(t,r){if(this.match(R.colon)){var n=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0,t.returnType=this.flowParseTypeAnnotation(),this.state.noAnonFunctionType=n}return e.call(this,t,r)}}),e.extend("shouldParseAsyncArrow",function(e){return function(){return this.match(R.colon)||e.call(this)}}),e.extend("parseMaybeAssign",function(e){return function(){for(var t=null,r=arguments.length,n=Array(r),i=0;i<r;i++)n[i]=arguments[i];if(R.jsxTagStart&&this.match(R.jsxTagStart)){var s=this.state.clone();try{return e.apply(this,n)}catch(e){if(!(e instanceof SyntaxError))throw e;this.state=s,this.state.context.length-=2,t=e}}if(null!=t||this.isRelational("<")){var a=void 0,o=void 0;try{o=this.flowParseTypeParameterDeclaration(),a=e.apply(this,n),a.typeParameters=o,a.start=o.start,a.loc.start=o.loc.start}catch(e){throw t||e}if("ArrowFunctionExpression"===a.type)return a;if(null!=t)throw t;this.raise(o.start,"Expected an arrow function after this type parameter declaration")}return e.apply(this,n)}}),e.extend("parseArrow",function(e){return function(t){if(this.match(R.colon)){var r=this.state.clone();try{var n=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0;var i=this.flowParseTypeAndPredicateAnnotation();this.state.noAnonFunctionType=n,this.canInsertSemicolon()&&this.unexpected(),this.match(R.arrow)||this.unexpected(),t.returnType=i}catch(e){if(!(e instanceof SyntaxError))throw e;this.state=r}}return e.call(this,t)}}),e.extend("shouldParseArrow",function(e){return function(){return this.match(R.colon)||e.call(this)}})},fe=String.fromCodePoint;if(!fe){var pe=String.fromCharCode,de=Math.floor;fe=function(){var e=[],t=void 0,r=void 0,n=-1,i=arguments.length;if(!i)return"";for(var s="";++n<i;){var a=Number(arguments[n]);if(!isFinite(a)||a<0||a>1114111||de(a)!=a)throw RangeError("Invalid code point: "+a);a<=65535?e.push(a):(a-=65536,t=55296+(a>>10),r=a%1024+56320,e.push(t,r)),(n+1==i||e.length>16384)&&(s+=pe.apply(null,e),e.length=0)}return s}}var 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