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if(this.state.leadingComments.length>0)if(L(this.state.leadingComments).end<=t.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&&(t.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(r=0;r<this.state.leadingComments.length&&!(this.state.leadingComments[r].end>t.start);r++);var c=this.state.leadingComments.slice(0,r);t.leadingComments=0===c.length?null:c,0===(i=this.state.leadingComments.slice(r)).length&&(i=null)}this.state.commentPreviousNode=t,i&&(i.length&&i[0].start>=t.start&&L(i).end<=t.end?t.innerComments=i:t.trailingComments=i),n.push(t)}},e}(function(){function t(){}var e=t.prototype;return e.isReservedWord=function(t){return"await"===t?this.inModule:l[6](t)},e.hasPlugin=function(t){return!!this.plugins[t]},t}())),M=function(){function t(){}var e=t.prototype;return e.init=function(t,e){this.strict=!1!==t.strictMode&&"module"===t.sourceType,this.input=e,this.potentialArrowAt=-1,this.noArrowAt=[],this.noArrowParamsConversionAt=[],this.inMethod=this.inFunction=this.inParameters=this.maybeInArrowParameters=this.inGenerator=this.inAsync=this.inPropertyName=this.inType=this.inClassProperty=this.noAnonFunctionType=!1,this.classLevel=0,this.labels=[],this.decoratorStack=[[]],this.yieldInPossibleArrowParameters=null,this.tokens=[],this.comments=[],this.trailingComments=[],this.leadingComments=[],this.commentStack=[],this.commentPreviousNode=null,this.pos=this.lineStart=0,this.curLine=t.startLine,this.type=h.eof,this.value=null,this.start=this.end=this.pos,this.startLoc=this.endLoc=this.curPosition(),this.lastTokEndLoc=this.lastTokStartLoc=null,this.lastTokStart=this.lastTokEnd=this.pos,this.context=[E.braceStatement],this.exprAllowed=!0,this.containsEsc=this.containsOctal=!1,this.octalPosition=null,this.invalidTemplateEscapePosition=null,this.exportedIdentifiers=[]},e.curPosition=function(){return new k(this.curLine,this.pos-this.lineStart)},e.clone=function(e){var s=this,i=new t;return Object.keys(this).forEach(function(t){var r=s[t];e&&"context"!==t||!Array.isArray(r)||(r=r.slice()),i[t]=r}),i},t}(),D=function(t){return t>=48&&t<=57},O={decBinOct:[46,66,69,79,95,98,101,111],hex:[46,88,95,120]},R={bin:[48,49]};R.oct=R.bin.concat([50,51,52,53,54,55]),R.dec=R.oct.concat([56,57]),R.hex=R.dec.concat([65,66,67,68,69,70,97,98,99,100,101,102]);function _(t){return t<=65535?String.fromCharCode(t):String.fromCharCode(55296+(t-65536>>10),56320+(t-65536&1023))}var j=function(t){function e(){return t.apply(this,arguments)||this}s(e,t);var i=e.prototype;return i.addExtra=function(t,e,s){t&&((t.extra=t.extra||{})[e]=s)},i.isRelational=function(t){return this.match(h.relational)&&this.state.value===t},i.expectRelational=function(t){this.isRelational(t)?this.next():this.unexpected(null,h.relational)},i.eatRelational=function(t){return!!this.isRelational(t)&&(this.next(),!0)},i.isContextual=function(t){return this.match(h.name)&&this.state.value===t},i.isLookaheadContextual=function(t){var e=this.lookahead();return e.type===h.name&&e.value===t},i.eatContextual=function(t){return this.state.value===t&&this.eat(h.name)},i.expectContextual=function(t,e){this.eatContextual(t)||this.unexpected(null,e)},i.canInsertSemicolon=function(){return this.match(h.eof)||this.match(h.braceR)||this.hasPrecedingLineBreak()},i.hasPrecedingLineBreak=function(){return T.test(this.input.slice(this.state.lastTokEnd,this.state.start))},i.isLineTerminator=function(){return this.eat(h.semi)||this.canInsertSemicolon()},i.semicolon=function(){this.isLineTerminator()||this.unexpected(null,h.semi)},i.expect=function(t,e){this.eat(t)||this.unexpected(e,t)},i.unexpected=function(t,e){throw void 0===e&&(e="Unexpected token"),"string"!=typeof e&&(e=`Unexpected token, expected "${e.label}"`),this.raise(null!=t?t:this.state.start,e)},i.expectPlugin=function(t,e){if(!this.hasPlugin(t))throw this.raise(null!=e?e:this.state.start,`This experimental syntax requires enabling the parser plugin: '${t}'`,[t]);return!0},i.expectOnePlugin=function(t,e){var s=this;if(!t.some(function(t){return s.hasPlugin(t)}))throw this.raise(null!=e?e:this.state.start,`This experimental syntax requires enabling one of the following parser plugin(s): '${t.join(", ")}'`,t)},e}(function(t){function e(e,s){var i;return(i=t.call(this)||this).state=new M,i.state.init(e,s),i.isLookahead=!1,i}s(e,t);var i=e.prototype;return i.next=function(){this.options.tokens&&!this.isLookahead&&this.state.tokens.push(new function(t){this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,this.loc=new S(t.startLoc,t.endLoc)}(this.state)),this.state.lastTokEnd=this.state.end,this.state.lastTokStart=this.state.start,this.state.lastTokEndLoc=this.state.endLoc,this.state.lastTokStartLoc=this.state.startLoc,this.nextToken()},i.eat=function(t){return!!this.match(t)&&(this.next(),!0)},i.match=function(t){return this.state.type===t},i.isKeyword=function(t){return u(t)},i.lookahead=function(){var t=this.state;this.state=t.clone(!0),this.isLookahead=!0,this.next(),this.isLookahead=!1;var e=this.state;return this.state=t,e},i.setStrict=function(t){if(this.state.strict=t,this.match(h.num)||this.match(h.string)){for(this.state.pos=this.state.start;this.state.pos<this.state.lineStart;)this.state.lineStart=this.input.lastIndexOf("\n",this.state.lineStart-2)+1,--this.state.curLine;this.nextToken()}},i.curContext=function(){return this.state.context[this.state.context.length-1]},i.nextToken=function(){var t=this.curContext();t&&t.preserveSpace||this.skipSpace(),this.state.containsOctal=!1,this.state.octalPosition=null,this.state.start=this.state.pos,this.state.startLoc=this.state.curPosition(),this.state.pos>=this.input.length?this.finishToken(h.eof):t.override?t.override(this):this.readToken(this.fullCharCodeAtPos())},i.readToken=function(t){g(t)||92===t?this.readWord():this.getTokenFromCode(t)},i.fullCharCodeAtPos=function(){var t=this.input.charCodeAt(this.state.pos);return t<=55295||t>=57344?t:(t<<10)+this.input.charCodeAt(this.state.pos+1)-56613888},i.pushComment=function(t,e,s,i,r,a){var n={type:t?"CommentBlock":"CommentLine",value:e,start:s,end:i,loc:new S(r,a)};this.isLookahead||(this.options.tokens&&this.state.tokens.push(n),this.state.comments.push(n),this.addComment(n))},i.skipBlockComment=function(){var t,e=this.state.curPosition(),s=this.state.pos,i=this.input.indexOf("*/",this.state.pos+=2);for(-1===i&&this.raise(this.state.pos-2,"Unterminated comment"),this.state.pos=i+2,w.lastIndex=s;(t=w.exec(this.input))&&t.index<this.state.pos;)++this.state.curLine,this.state.lineStart=t.index+t[0].length;this.pushComment(!0,this.input.slice(s+2,i),s,this.state.pos,e,this.state.curPosition())},i.skipLineComment=function(t){var e=this.state.pos,s=this.state.curPosition(),i=this.input.charCodeAt(this.state.pos+=t);if(this.state.pos<this.input.length)for(;10!==i&&13!==i&&8232!==i&&8233!==i&&++this.state.pos<this.input.length;)i=this.input.charCodeAt(this.state.pos);this.pushComment(!1,this.input.slice(e+t,this.state.pos),e,this.state.pos,s,this.state.curPosition())},i.skipSpace=function(){t:for(;this.state.pos<this.input.length;){var t=this.input.charCodeAt(this.state.pos);switch(t){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 t}break;default:if(!(t>8&&t<14||t>=5760&&N.test(String.fromCharCode(t))))break t;++this.state.pos}}},i.finishToken=function(t,e){this.state.end=this.state.pos,this.state.endLoc=this.state.curPosition();var s=this.state.type;this.state.type=t,this.state.value=e,this.updateContext(s)},i.readToken_dot=function(){var t=this.input.charCodeAt(this.state.pos+1);if(t>=48&&t<=57)this.readNumber(!0);else{var e=this.input.charCodeAt(this.state.pos+2);46===t&&46===e?(this.state.pos+=3,this.finishToken(h.ellipsis)):(++this.state.pos,this.finishToken(h.dot))}},i.readToken_slash=function(){if(this.state.exprAllowed)return++this.state.pos,void this.readRegexp();61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(h.assign,2):this.finishOp(h.slash,1)},i.readToken_mult_modulo=function(t){var e=42===t?h.star:h.modulo,s=1,i=this.input.charCodeAt(this.state.pos+1),r=this.state.exprAllowed;42===t&&42===i&&(s++,i=this.input.charCodeAt(this.state.pos+2),e=h.exponent),61!==i||r||(s++,e=h.assign),this.finishOp(e,s)},i.readToken_pipe_amp=function(t){var e=this.input.charCodeAt(this.state.pos+1);if(e!==t){if(124===t){if(62===e)return void this.finishOp(h.pipeline,2);if(125===e&&this.hasPlugin("flow"))return void this.finishOp(h.braceBarR,2)}61!==e?this.finishOp(124===t?h.bitwiseOR:h.bitwiseAND,1):this.finishOp(h.assign,2)}else this.finishOp(124===t?h.logicalOR:h.logicalAND,2)},i.readToken_caret=function(){61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(h.assign,2):this.finishOp(h.bitwiseXOR,1)},i.readToken_plus_min=function(t){var e=this.input.charCodeAt(this.state.pos+1);if(e===t)return 45===e&&!this.inModule&&62===this.input.charCodeAt(this.state.pos+2)&&T.test(this.input.slice(this.state.lastTokEnd,this.state.pos))?(this.skipLineComment(3),this.skipSpace(),void this.nextToken()):void this.finishOp(h.incDec,2);61===e?this.finishOp(h.assign,2):this.finishOp(h.plusMin,1)},i.readToken_lt_gt=function(t){var e=this.input.charCodeAt(this.state.pos+1),s=1;return e===t?(s=62===t&&62===this.input.charCodeAt(this.state.pos+2)?3:2,61===this.input.charCodeAt(this.state.pos+s)?void this.finishOp(h.assign,s+1):void this.finishOp(h.bitShift,s)):33!==e||60!==t||this.inModule||45!==this.input.charCodeAt(this.state.pos+2)||45!==this.input.charCodeAt(this.state.pos+3)?(61===e&&(s=2),void this.finishOp(h.relational,s)):(this.skipLineComment(4),this.skipSpace(),void this.nextToken())},i.readToken_eq_excl=function(t){var e=this.input.charCodeAt(this.state.pos+1);if(61!==e)return 61===t&&62===e?(this.state.pos+=2,void this.finishToken(h.arrow)):void this.finishOp(61===t?h.eq:h.bang,1);this.finishOp(h.equality,61===this.input.charCodeAt(this.state.pos+2)?3:2)},i.readToken_question=function(){var t=this.input.charCodeAt(this.state.pos+1),e=this.input.charCodeAt(this.state.pos+2);63===t?this.finishOp(h.nullishCoalescing,2):46!==t||e>=48&&e<=57?(++this.state.pos,this.finishToken(h.question)):(this.state.pos+=2,this.finishToken(h.questionDot))},i.getTokenFromCode=function(t){switch(t){case 35:if((this.hasPlugin("classPrivateProperties")||this.hasPlugin("classPrivateMethods"))&&this.state.classLevel>0)return++this.state.pos,void this.finishToken(h.hash);this.raise(this.state.pos,`Unexpected character '${_(t)}'`);case 46:return void this.readToken_dot();case 40:return++this.state.pos,void this.finishToken(h.parenL);case 41:return++this.state.pos,void this.finishToken(h.parenR);case 59:return++this.state.pos,void this.finishToken(h.semi);case 44:return++this.state.pos,void this.finishToken(h.comma);case 91:return++this.state.pos,void this.finishToken(h.bracketL);case 93:return++this.state.pos,void this.finishToken(h.bracketR);case 123:return void(this.hasPlugin("flow")&&124===this.input.charCodeAt(this.state.pos+1)?this.finishOp(h.braceBarL,2):(++this.state.pos,this.finishToken(h.braceL)));case 125:return++this.state.pos,void this.finishToken(h.braceR);case 58:return void(this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(h.doubleColon,2):(++this.state.pos,this.finishToken(h.colon)));case 63:return void this.readToken_question();case 64:return++this.state.pos,void this.finishToken(h.at);case 96:return++this.state.pos,void this.finishToken(h.backQuote);case 48:var e=this.input.charCodeAt(this.state.pos+1);if(120===e||88===e)return void this.readRadixNumber(16);if(111===e||79===e)return void this.readRadixNumber(8);if(98===e||66===e)return void this.readRadixNumber(2);case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return void this.readNumber(!1);case 34:case 39:return void this.readString(t);case 47:return void this.readToken_slash();case 37:case 42:return void this.readToken_mult_modulo(t);case 124:case 38:return void this.readToken_pipe_amp(t);case 94:return void this.readToken_caret();case 43:case 45:return void this.readToken_plus_min(t);case 60:case 62:return void this.readToken_lt_gt(t);case 61:case 33:return void this.readToken_eq_excl(t);case 126:return void this.finishOp(h.tilde,1)}this.raise(this.state.pos,`Unexpected character '${_(t)}'`)},i.finishOp=function(t,e){var s=this.input.slice(this.state.pos,this.state.pos+e);this.state.pos+=e,this.finishToken(t,s)},i.readRegexp=function(){for(var t,e,s=this.state.pos;;){this.state.pos>=this.input.length&&this.raise(s,"Unterminated regular expression");var i=this.input.charAt(this.state.pos);if(T.test(i)&&this.raise(s,"Unterminated regular expression"),t)t=!1;else{if("["===i)e=!0;else if("]"===i&&e)e=!1;else if("/"===i&&!e)break;t="\\"===i}++this.state.pos}var r=this.input.slice(s,this.state.pos);++this.state.pos;var a=this.readWord1();if(a){/^[gmsiyu]*$/.test(a)||this.raise(s,"Invalid regular expression flag")}this.finishToken(h.regexp,{pattern:r,flags:a})},i.readInt=function(t,e){for(var s=this.state.pos,i=16===t?O.hex:O.decBinOct,r=16===t?R.hex:10===t?R.dec:8===t?R.oct:R.bin,a=0,n=0,o=null==e?1/0:e;n<o;++n){var h=this.input.charCodeAt(this.state.pos),p=void 0;if(this.hasPlugin("numericSeparator")){var c=this.input.charCodeAt(this.state.pos-1),l=this.input.charCodeAt(this.state.pos+1);if(95===h){-1===r.indexOf(l)&&this.raise(this.state.pos,"Invalid or unexpected token"),(i.indexOf(c)>-1||i.indexOf(l)>-1||Number.isNaN(l))&&this.raise(this.state.pos,"Invalid or unexpected token"),++this.state.pos;continue}}if((p=h>=97?h-97+10:h>=65?h-65+10:D(h)?h-48:1/0)>=t)break;++this.state.pos,a=a*t+p}return this.state.pos===s||null!=e&&this.state.pos-s!==e?null:a},i.readRadixNumber=function(t){var e=this.state.pos,s=!1;this.state.pos+=2;var i=this.readInt(t);if(null==i&&this.raise(this.state.start+2,"Expected number in radix "+t),this.hasPlugin("bigInt")&&110===this.input.charCodeAt(this.state.pos)&&(++this.state.pos,s=!0),g(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number"),s){var r=this.input.slice(e,this.state.pos).replace(/[_n]/g,"");this.finishToken(h.bigint,r)}else this.finishToken(h.num,i)},i.readNumber=function(t){var e=this.state.pos,s=48===this.input.charCodeAt(e),i=!1,r=!1;t||null!==this.readInt(10)||this.raise(e,"Invalid number"),s&&this.state.pos==e+1&&(s=!1);var a=this.input.charCodeAt(this.state.pos);46!==a||s||(++this.state.pos,this.readInt(10),i=!0,a=this.input.charCodeAt(this.state.pos)),69!==a&&101!==a||s||(43!==(a=this.input.charCodeAt(++this.state.pos))&&45!==a||++this.state.pos,null===this.readInt(10)&&this.raise(e,"Invalid number"),i=!0,a=this.input.charCodeAt(this.state.pos)),this.hasPlugin("bigInt")&&110===a&&((i||s)&&this.raise(e,"Invalid BigIntLiteral"),++this.state.pos,r=!0),g(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number");var n,o=this.input.slice(e,this.state.pos).replace(/[_n]/g,"");r?this.finishToken(h.bigint,o):(i?n=parseFloat(o):s&&1!==o.length?this.state.strict?this.raise(e,"Invalid number"):n=/[89]/.test(o)?parseInt(o,10):parseInt(o,8):n=parseInt(o,10),this.finishToken(h.num,n))},i.readCodePoint=function(t){var e;if(123===this.input.charCodeAt(this.state.pos)){var s=++this.state.pos;if(e=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,t),++this.state.pos,null===e)--this.state.invalidTemplateEscapePosition;else if(e>1114111){if(!t)return this.state.invalidTemplateEscapePosition=s-2,null;this.raise(s,"Code point out of bounds")}}else e=this.readHexChar(4,t);return e},i.readString=function(t){for(var e="",s=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var i=this.input.charCodeAt(this.state.pos);if(i===t)break;92===i?(e+=this.input.slice(s,this.state.pos),e+=this.readEscapedChar(!1),s=this.state.pos):(A(i)&&this.raise(this.state.start,"Unterminated string constant"),++this.state.pos)}e+=this.input.slice(s,this.state.pos++),this.finishToken(h.string,e)},i.readTmplToken=function(){for(var t="",e=this.state.pos,s=!1;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated template");var i=this.input.charCodeAt(this.state.pos);if(96===i||36===i&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(h.template)?36===i?(this.state.pos+=2,void this.finishToken(h.dollarBraceL)):(++this.state.pos,void this.finishToken(h.backQuote)):(t+=this.input.slice(e,this.state.pos),void this.finishToken(h.template,s?null:t));if(92===i){t+=this.input.slice(e,this.state.pos);var r=this.readEscapedChar(!0);null===r?s=!0:t+=r,e=this.state.pos}else if(A(i)){switch(t+=this.input.slice(e,this.state.pos),++this.state.pos,i){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:t+="\n";break;default:t+=String.fromCharCode(i)}++this.state.curLine,this.state.lineStart=this.state.pos,e=this.state.pos}else++this.state.pos}},i.readEscapedChar=function(t){var e=!t,s=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,s){case 110:return"\n";case 114:return"\r";case 120:var i=this.readHexChar(2,e);return null===i?null:String.fromCharCode(i);case 117:var r=this.readCodePoint(e);return null===r?null:_(r);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(s>=48&&s<=55){var a=this.state.pos-1,n=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],o=parseInt(n,8);if(o>255&&(n=n.slice(0,-1),o=parseInt(n,8)),o>0){if(t)return this.state.invalidTemplateEscapePosition=a,null;this.state.strict?this.raise(a,"Octal literal in strict mode"):this.state.containsOctal||(this.state.containsOctal=!0,this.state.octalPosition=a)}return this.state.pos+=n.length-1,String.fromCharCode(o)}return String.fromCharCode(s)}},i.readHexChar=function(t,e){var s=this.state.pos,i=this.readInt(16,t);return null===i&&(e?this.raise(s,"Bad character escape sequence"):(this.state.pos=s-1,this.state.invalidTemplateEscapePosition=s-1)),i},i.readWord1=function(){this.state.containsEsc=!1;for(var t="",e=!0,s=this.state.pos;this.state.pos<this.input.length;){var i=this.fullCharCodeAtPos();if(b(i))this.state.pos+=i<=65535?1:2;else{if(92!==i)break;this.state.containsEsc=!0,t+=this.input.slice(s,this.state.pos);var r=this.state.pos;117!==this.input.charCodeAt(++this.state.pos)&&this.raise(this.state.pos,"Expecting Unicode escape sequence \\uXXXX"),++this.state.pos;var a=this.readCodePoint(!0);(e?g:b)(a,!0)||this.raise(r,"Invalid Unicode escape"),t+=_(a),s=this.state.pos}e=!1}return t+this.input.slice(s,this.state.pos)},i.readWord=function(){var t=this.readWord1(),e=h.name;this.isKeyword(t)&&(this.state.containsEsc&&this.raise(this.state.pos,`Escape sequence in keyword ${t}`),e=p[t]),this.finishToken(e,t)},i.braceIsBlock=function(t){if(t===h.colon){var e=this.curContext();if(e===E.braceStatement||e===E.braceExpression)return!e.isExpr}return t===h._return?T.test(this.input.slice(this.state.lastTokEnd,this.state.start)):t===h._else||t===h.semi||t===h.eof||t===h.parenR||(t===h.braceL?this.curContext()===E.braceStatement:t===h.relational||!this.state.exprAllowed)},i.updateContext=function(t){var e,s=this.state.type;!s.keyword||t!==h.dot&&t!==h.questionDot?(e=s.updateContext)?e.call(this,t):this.state.exprAllowed=s.beforeExpr:this.state.exprAllowed=!1},e}(I)),F=["leadingComments","trailingComments","innerComments"],B=function(){function t(t,e,s){this.type="",this.start=e,this.end=0,this.loc=new S(s),t&&t.options.ranges&&(this.range=[e,0]),t&&t.filename&&(this.loc.filename=t.filename)}return t.prototype.__clone=function(){var e=this,s=new t;return Object.keys(this).forEach(function(t){F.indexOf(t)<0&&(s[t]=e[t])}),s},t}(),q=[],V={kind:"loop"},U={kind:"switch"},K={},W=function(t){function e(e,s){var r;return e=function(t){var e={};for(var s in i)e[s]=t&&null!=t[s]?t[s]:i[s];return e}(e),(r=t.call(this,e,s)||this).options=e,r.inModule="module"===r.options.sourceType,r.input=s,r.plugins=function(t){for(var e={},s=0;s<t.length;s++){var i=t[s];e[i]=!0}return e}(r.options.plugins),r.filename=e.sourceFilename,0===r.state.pos&&"#"===r.input[0]&&"!"===r.input[1]&&r.skipLineComment(2),r}return s(e,t),e.prototype.parse=function(){var t=this.startNode(),e=this.startNode();return this.nextToken(),this.parseTopLevel(t,e)},e}(function(t){function e(){return t.apply(this,arguments)||this}s(e,t);var i=e.prototype;return i.parseTopLevel=function(t,e){return e.sourceType=this.options.sourceType,this.parseBlockBody(e,!0,!0,h.eof),t.program=this.finishNode(e,"Program"),t.comments=this.state.comments,this.options.tokens&&(t.tokens=this.state.tokens),this.finishNode(t,"File")},i.stmtToDirective=function(t){var e=t.expression,s=this.startNodeAt(e.start,e.loc.start),i=this.startNodeAt(t.start,t.loc.start),r=this.input.slice(e.start,e.end),a=s.value=r.slice(1,-1);return this.addExtra(s,"raw",r),this.addExtra(s,"rawValue",a),i.value=this.finishNodeAt(s,"DirectiveLiteral",e.end,e.loc.end),this.finishNodeAt(i,"Directive",t.end,t.loc.end)},i.parseStatement=function(t,e){return this.match(h.at)&&this.parseDecorators(!0),this.parseStatementContent(t,e)},i.parseStatementContent=function(t,e){var s=this.state.type,i=this.startNode();switch(s){case h._break:case h._continue:return this.parseBreakContinueStatement(i,s.keyword);case h._debugger:return this.parseDebuggerStatement(i);case h._do:return this.parseDoStatement(i);case h._for:return this.parseForStatement(i);case h._function:if(this.lookahead().type===h.dot)break;return t||this.unexpected(),this.parseFunctionStatement(i);case h._class:return t||this.unexpected(),this.parseClass(i,!0);case h._if:return this.parseIfStatement(i);case h._return:return this.parseReturnStatement(i);case h._switch:return this.parseSwitchStatement(i);case h._throw:return this.parseThrowStatement(i);case h._try:return this.parseTryStatement(i);case h._let:case h._const:t||this.unexpected();case h._var:return this.parseVarStatement(i,s);case h._while:return this.parseWhileStatement(i);case h._with:return this.parseWithStatement(i);case h.braceL:return this.parseBlock();case h.semi:return this.parseEmptyStatement(i);case h._export:case h._import:if(this.hasPlugin("dynamicImport")&&this.lookahead().type===h.parenL||this.hasPlugin("importMeta")&&this.lookahead().type===h.dot)break;var r;return this.options.allowImportExportEverywhere||e||this.raise(this.state.start,"'import' and 'export' may 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e=this.state.decoratorStack[this.state.decoratorStack.length-1];e.length&&(t.decorators=e,this.resetStartLocationFromNode(t,e[0]),this.state.decoratorStack[this.state.decoratorStack.length-1]=[])},i.parseDecorators=function(t){this.hasPlugin("decorators2")&&(t=!1);for(var e=this.state.decoratorStack[this.state.decoratorStack.length-1];this.match(h.at);){var s=this.parseDecorator();e.push(s)}if(this.match(h._export)){if(t)return;this.raise(this.state.start,"Using the export keyword between a decorator and a class is not allowed. Please use `export @dec class` instead")}this.match(h._class)||this.raise(this.state.start,"Leading decorators must be attached to a class declaration")},i.parseDecorator=function(){this.expectOnePlugin(["decorators","decorators2"]);var t=this.startNode();if(this.next(),this.hasPlugin("decorators2")){for(var e=this.state.start,s=this.state.startLoc,i=this.parseIdentifier(!1);this.eat(h.dot);){var r=this.startNodeAt(e,s);r.object=i,r.property=this.parseIdentifier(!0),r.computed=!1,i=this.finishNode(r,"MemberExpression")}if(this.eat(h.parenL)){var a=this.startNodeAt(e,s);a.callee=i,this.state.decoratorStack.push([]),a.arguments=this.parseCallExpressionArguments(h.parenR,!1),this.state.decoratorStack.pop(),i=this.finishNode(a,"CallExpression"),this.toReferencedList(i.arguments)}t.expression=i}else t.expression=this.parseMaybeAssign();return this.finishNode(t,"Decorator")},i.parseBreakContinueStatement=function(t,e){var s,i="break"===e;for(this.next(),this.isLineTerminator()?t.label=null:this.match(h.name)?(t.label=this.parseIdentifier(),this.semicolon()):this.unexpected(),s=0;s<this.state.labels.length;++s){var r=this.state.labels[s];if(null==t.label||r.name===t.label.name){if(null!=r.kind&&(i||"loop"===r.kind))break;if(t.label&&i)break}}return s===this.state.labels.length&&this.raise(t.start,"Unsyntactic "+e),this.finishNode(t,i?"BreakStatement":"ContinueStatement")},i.parseDebuggerStatement=function(t){return this.next(),this.semicolon(),this.finishNode(t,"DebuggerStatement")},i.parseDoStatement=function(t){return this.next(),this.state.labels.push(V),t.body=this.parseStatement(!1),this.state.labels.pop(),this.expect(h._while),t.test=this.parseParenExpression(),this.eat(h.semi),this.finishNode(t,"DoWhileStatement")},i.parseForStatement=function(t){this.next(),this.state.labels.push(V);var e=!1;if(this.state.inAsync&&this.isContextual("await")&&(this.expectPlugin("asyncGenerators"),e=!0,this.next()),this.expect(h.parenL),this.match(h.semi))return e&&this.unexpected(),this.parseFor(t,null);if(this.match(h._var)||this.match(h._let)||this.match(h._const)){var s=this.startNode(),i=this.state.type;return this.next(),this.parseVar(s,!0,i),this.finishNode(s,"VariableDeclaration"),!this.match(h._in)&&!this.isContextual("of")||1!==s.declarations.length||s.declarations[0].init?(e&&this.unexpected(),this.parseFor(t,s)):this.parseForIn(t,s,e)}var r={start:0},a=this.parseExpression(!0,r);if(this.match(h._in)||this.isContextual("of")){var n=this.isContextual("of")?"for-of statement":"for-in statement";return this.toAssignable(a,void 0,n),this.checkLVal(a,void 0,void 0,n),this.parseForIn(t,a,e)}return r.start&&this.unexpected(r.start),e&&this.unexpected(),this.parseFor(t,a)},i.parseFunctionStatement=function(t){return this.next(),this.parseFunction(t,!0)},i.parseIfStatement=function(t){return this.next(),t.test=this.parseParenExpression(),t.consequent=this.parseStatement(!1),t.alternate=this.eat(h._else)?this.parseStatement(!1):null,this.finishNode(t,"IfStatement")},i.parseReturnStatement=function(t){return this.state.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.state.start,"'return' outside of function"),this.next(),this.isLineTerminator()?t.argument=null:(t.argument=this.parseExpression(),this.semicolon()),this.finishNode(t,"ReturnStatement")},i.parseSwitchStatement=function(t){this.next(),t.discriminant=this.parseParenExpression();var e,s,i=t.cases=[];for(this.expect(h.braceL),this.state.labels.push(U);!this.match(h.braceR);)if(this.match(h._case)||this.match(h._default)){var r=this.match(h._case);e&&this.finishNode(e,"SwitchCase"),i.push(e=this.startNode()),e.consequent=[],this.next(),r?e.test=this.parseExpression():(s&&this.raise(this.state.lastTokStart,"Multiple default clauses"),s=!0,e.test=null),this.expect(h.colon)}else e?e.consequent.push(this.parseStatement(!0)):this.unexpected();return e&&this.finishNode(e,"SwitchCase"),this.next(),this.state.labels.pop(),this.finishNode(t,"SwitchStatement")},i.parseThrowStatement=function(t){return this.next(),T.test(this.input.slice(this.state.lastTokEnd,this.state.start))&&this.raise(this.state.lastTokEnd,"Illegal newline after throw"),t.argument=this.parseExpression(),this.semicolon(),this.finishNode(t,"ThrowStatement")},i.parseTryStatement=function(t){if(this.next(),t.block=this.parseBlock(),t.handler=null,this.match(h._catch)){var e=this.startNode();if(this.next(),this.match(h.parenL)){this.expect(h.parenL),e.param=this.parseBindingAtom();var s=Object.create(null);this.checkLVal(e.param,!0,s,"catch clause"),this.expect(h.parenR)}else this.expectPlugin("optionalCatchBinding"),e.param=null;e.body=this.parseBlock(),t.handler=this.finishNode(e,"CatchClause")}return t.guardedHandlers=q,t.finalizer=this.eat(h._finally)?this.parseBlock():null,t.handler||t.finalizer||this.raise(t.start,"Missing catch or finally clause"),this.finishNode(t,"TryStatement")},i.parseVarStatement=function(t,e){return this.next(),this.parseVar(t,!1,e),this.semicolon(),this.finishNode(t,"VariableDeclaration")},i.parseWhileStatement=function(t){return this.next(),t.test=this.parseParenExpression(),this.state.labels.push(V),t.body=this.parseStatement(!1),this.state.labels.pop(),this.finishNode(t,"WhileStatement")},i.parseWithStatement=function(t){return this.state.strict&&this.raise(this.state.start,"'with' in strict mode"),this.next(),t.object=this.parseParenExpression(),t.body=this.parseStatement(!1),this.finishNode(t,"WithStatement")},i.parseEmptyStatement=function(t){return this.next(),this.finishNode(t,"EmptyStatement")},i.parseLabeledStatement=function(t,e,s){for(var i=0,r=this.state.labels;i<r.length;i++){r[i].name===e&&this.raise(s.start,`Label '${e}' is already declared`)}for(var a=this.state.type.isLoop?"loop":this.match(h._switch)?"switch":null,n=this.state.labels.length-1;n>=0;n--){var o=this.state.labels[n];if(o.statementStart!==t.start)break;o.statementStart=this.state.start,o.kind=a}return this.state.labels.push({name:e,kind:a,statementStart:this.state.start}),t.body=this.parseStatement(!0),("ClassDeclaration"==t.body.type||"VariableDeclaration"==t.body.type&&"var"!==t.body.kind||"FunctionDeclaration"==t.body.type&&(this.state.strict||t.body.generator||t.body.async))&&this.raise(t.body.start,"Invalid labeled declaration"),this.state.labels.pop(),t.label=s,this.finishNode(t,"LabeledStatement")},i.parseExpressionStatement=function(t,e){return t.expression=e,this.semicolon(),this.finishNode(t,"ExpressionStatement")},i.parseBlock=function(t){var e=this.startNode();return this.expect(h.braceL),this.parseBlockBody(e,t,!1,h.braceR),this.finishNode(e,"BlockStatement")},i.isValidDirective=function(t){return"ExpressionStatement"===t.type&&"StringLiteral"===t.expression.type&&!t.expression.extra.parenthesized},i.parseBlockBody=function(t,e,s,i){var r=t.body=[],a=t.directives=[];this.parseBlockOrModuleBlockBody(r,e?a:void 0,s,i)},i.parseBlockOrModuleBlockBody=function(t,e,s,i){for(var r,a,n=!1;!this.eat(i);){n||!this.state.containsOctal||a||(a=this.state.octalPosition);var o=this.parseStatement(!0,s);if(e&&!n&&this.isValidDirective(o)){var h=this.stmtToDirective(o);e.push(h),void 0===r&&"use strict"===h.value.value&&(r=this.state.strict,this.setStrict(!0),a&&this.raise(a,"Octal literal in strict mode"))}else n=!0,t.push(o)}!1===r&&this.setStrict(!1)},i.parseFor=function(t,e){return t.init=e,this.expect(h.semi),t.test=this.match(h.semi)?null:this.parseExpression(),this.expect(h.semi),t.update=this.match(h.parenR)?null:this.parseExpression(),this.expect(h.parenR),t.body=this.parseStatement(!1),this.state.labels.pop(),this.finishNode(t,"ForStatement")},i.parseForIn=function(t,e,s){var i=this.match(h._in)?"ForInStatement":"ForOfStatement";return s?this.eatContextual("of"):this.next(),"ForOfStatement"===i&&(t.await=!!s),t.left=e,t.right=this.parseExpression(),this.expect(h.parenR),t.body=this.parseStatement(!1),this.state.labels.pop(),this.finishNode(t,i)},i.parseVar=function(t,e,s){var i=t.declarations=[];for(t.kind=s.keyword;;){var r=this.startNode();if(this.parseVarHead(r),this.eat(h.eq)?r.init=this.parseMaybeAssign(e):(s!==h._const||this.match(h._in)||this.isContextual("of")?"Identifier"===r.id.type||e&&(this.match(h._in)||this.isContextual("of"))||this.raise(this.state.lastTokEnd,"Complex binding patterns require an initialization value"):this.hasPlugin("typescript")||this.unexpected(),r.init=null),i.push(this.finishNode(r,"VariableDeclarator")),!this.eat(h.comma))break}return t},i.parseVarHead=function(t){t.id=this.parseBindingAtom(),this.checkLVal(t.id,!0,void 0,"variable declaration")},i.parseFunction=function(t,e,s,i,r){var a=this.state.inFunction,n=this.state.inMethod,o=this.state.inGenerator;return this.state.inFunction=!0,this.state.inMethod=!1,this.initFunction(t,i),this.match(h.star)&&(t.async&&this.expectPlugin("asyncGenerators"),t.generator=!0,this.next()),!e||r||this.match(h.name)||this.match(h._yield)||this.unexpected(),e||(this.state.inGenerator=t.generator),(this.match(h.name)||this.match(h._yield))&&(t.id=this.parseBindingIdentifier()),e&&(this.state.inGenerator=t.generator),this.parseFunctionParams(t),this.parseFunctionBodyAndFinish(t,e?"FunctionDeclaration":"FunctionExpression",s),this.state.inFunction=a,this.state.inMethod=n,this.state.inGenerator=o,t},i.parseFunctionParams=function(t,e){var s=this.state.inParameters;this.state.inParameters=!0,this.expect(h.parenL),t.params=this.parseBindingList(h.parenR,!1,e),this.state.inParameters=s},i.parseClass=function(t,e,s){return this.next(),this.takeDecorators(t),this.parseClassId(t,e,s),this.parseClassSuper(t),this.parseClassBody(t),this.finishNode(t,e?"ClassDeclaration":"ClassExpression")},i.isClassProperty=function(){return this.match(h.eq)||this.match(h.semi)||this.match(h.braceR)},i.isClassMethod=function(){return this.match(h.parenL)},i.isNonstaticConstructor=function(t){return!(t.computed||t.static||"constructor"!==t.key.name&&"constructor"!==t.key.value)},i.parseClassBody=function(t){var e=this.state.strict;this.state.strict=!0,this.state.classLevel++;var s={hadConstructor:!1},i=[],r=this.startNode();for(r.body=[],this.expect(h.braceL);!this.eat(h.braceR);)if(this.eat(h.semi))i.length>0&&this.raise(this.state.lastTokEnd,"Decorators must not be followed by a semicolon");else if(this.match(h.at))i.push(this.parseDecorator());else{var a=this.startNode();i.length&&(a.decorators=i,this.resetStartLocationFromNode(a,i[0]),i=[]),this.parseClassMember(r,a,s),this.hasPlugin("decorators2")&&-1===["method","get","set"].indexOf(a.kind)&&a.decorators&&a.decorators.length>0&&this.raise(a.start,"Stage 2 decorators may only be used with a class or a class method")}i.length&&this.raise(this.state.start,"You have trailing decorators with no method"),t.body=this.finishNode(r,"ClassBody"),this.state.classLevel--,this.state.strict=e},i.parseClassMember=function(t,e,s){var i=!1;if(this.match(h.name)&&"static"===this.state.value){var r=this.parseIdentifier(!0);if(this.isClassMethod()){var a=e;return a.kind="method",a.computed=!1,a.key=r,a.static=!1,void this.pushClassMethod(t,a,!1,!1,!1)}if(this.isClassProperty()){var n=e;return n.computed=!1,n.key=r,n.static=!1,void t.body.push(this.parseClassProperty(n))}i=!0}this.parseClassMemberWithIsStatic(t,e,s,i)},i.parseClassMemberWithIsStatic=function(t,e,s,i){var r=e,a=e,n=e,o=e,p=r,c=r;if(e.static=i,this.eat(h.star))return p.kind="method",this.parseClassPropertyName(p),"PrivateName"===p.key.type?void this.pushClassPrivateMethod(t,a,!0,!1):(this.isNonstaticConstructor(r)&&this.raise(r.key.start,"Constructor can't be a generator"),void this.pushClassMethod(t,r,!0,!1,!1));var l=this.parseClassPropertyName(e),u="PrivateName"===l.type,d="Identifier"===l.type;if(this.parsePostMemberNameModifiers(c),this.isClassMethod()){if(p.kind="method",u)return void this.pushClassPrivateMethod(t,a,!1,!1);var f=this.isNonstaticConstructor(r);f&&(r.kind="constructor",r.decorators&&this.raise(r.start,"You can't attach decorators to a class constructor"),s.hadConstructor&&!this.hasPlugin("typescript")&&this.raise(l.start,"Duplicate constructor in the same class"),s.hadConstructor=!0),this.pushClassMethod(t,r,!1,!1,f)}else if(this.isClassProperty())u?this.pushClassPrivateProperty(t,o):this.pushClassProperty(t,n);else if(d&&"async"===l.name&&!this.isLineTerminator()){var m=this.match(h.star);m&&(this.expectPlugin("asyncGenerators"),this.next()),p.kind="method",this.parseClassPropertyName(p),"PrivateName"===p.key.type?this.pushClassPrivateMethod(t,a,m,!0):(this.isNonstaticConstructor(r)&&this.raise(r.key.start,"Constructor can't be an async function"),this.pushClassMethod(t,r,m,!0,!1))}else!d||"get"!==l.name&&"set"!==l.name||this.isLineTerminator()&&this.match(h.star)?this.isLineTerminator()?u?this.pushClassPrivateProperty(t,o):this.pushClassProperty(t,n):this.unexpected():(p.kind=l.name,this.parseClassPropertyName(r),"PrivateName"===p.key.type?this.pushClassPrivateMethod(t,a,!1,!1):(this.isNonstaticConstructor(r)&&this.raise(r.key.start,"Constructor can't have get/set modifier"),this.pushClassMethod(t,r,!1,!1,!1)),this.checkGetterSetterParamCount(r))},i.parseClassPropertyName=function(t){var e=this.parsePropertyName(t);return t.computed||!t.static||"prototype"!==e.name&&"prototype"!==e.value||this.raise(e.start,"Classes may not have static property named prototype"),"PrivateName"===e.type&&"constructor"===e.id.name&&this.raise(e.start,"Classes may not have a private field named '#constructor'"),e},i.pushClassProperty=function(t,e){this.isNonstaticConstructor(e)&&this.raise(e.key.start,"Classes may not have a non-static field named 'constructor'"),t.body.push(this.parseClassProperty(e))},i.pushClassPrivateProperty=function(t,e){this.expectPlugin("classPrivateProperties",e.key.start),t.body.push(this.parseClassPrivateProperty(e))},i.pushClassMethod=function(t,e,s,i,r){t.body.push(this.parseMethod(e,s,i,r,"ClassMethod"))},i.pushClassPrivateMethod=function(t,e,s,i){this.expectPlugin("classPrivateMethods",e.key.start),t.body.push(this.parseMethod(e,s,i,!1,"ClassPrivateMethod"))},i.parsePostMemberNameModifiers=function(t){},i.parseAccessModifier=function(){},i.parseClassPrivateProperty=function(t){return this.state.inClassProperty=!0,t.value=this.eat(h.eq)?this.parseMaybeAssign():null,this.semicolon(),this.state.inClassProperty=!1,this.finishNode(t,"ClassPrivateProperty")},i.parseClassProperty=function(t){return t.typeAnnotation||this.expectPlugin("classProperties"),this.state.inClassProperty=!0,this.match(h.eq)?(this.expectPlugin("classProperties"),this.next(),t.value=this.parseMaybeAssign()):t.value=null,this.semicolon(),this.state.inClassProperty=!1,this.finishNode(t,"ClassProperty")},i.parseClassId=function(t,e,s){this.match(h.name)?t.id=this.parseIdentifier():s||!e?t.id=null:this.unexpected(null,"A class name is required")},i.parseClassSuper=function(t){t.superClass=this.eat(h._extends)?this.parseExprSubscripts():null},i.parseExport=function(t){if(this.shouldParseExportStar()){if(this.parseExportStar(t),"ExportAllDeclaration"===t.type)return t}else if(this.isExportDefaultSpecifier()){this.expectPlugin("exportDefaultFrom");var e=this.startNode();e.exported=this.parseIdentifier(!0);var s=[this.finishNode(e,"ExportDefaultSpecifier")];if(t.specifiers=s,this.match(h.comma)&&this.lookahead().type===h.star){this.expect(h.comma);var i=this.startNode();this.expect(h.star),this.expectContextual("as"),i.exported=this.parseIdentifier(),s.push(this.finishNode(i,"ExportNamespaceSpecifier"))}else this.parseExportSpecifiersMaybe(t);this.parseExportFrom(t,!0)}else{if(this.eat(h._default)){var r=this.startNode(),a=!1;return this.eat(h._function)?r=this.parseFunction(r,!0,!1,!1,!0):this.isContextual("async")&&this.lookahead().type===h._function?(this.eatContextual("async"),this.eat(h._function),r=this.parseFunction(r,!0,!1,!0,!0)):this.match(h._class)?r=this.parseClass(r,!0,!0):(a=!0,r=this.parseMaybeAssign()),t.declaration=r,a&&this.semicolon(),this.checkExport(t,!0,!0),this.finishNode(t,"ExportDefaultDeclaration")}if(this.shouldParseExportDeclaration()){if(this.isContextual("async")){var n=this.lookahead();n.type!==h._function&&this.unexpected(n.start,'Unexpected token, expected "function"')}t.specifiers=[],t.source=null,t.declaration=this.parseExportDeclaration(t)}else t.declaration=null,t.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(t)}return this.checkExport(t,!0),this.finishNode(t,"ExportNamedDeclaration")},i.parseExportDeclaration=function(t){return this.parseStatement(!0)},i.isExportDefaultSpecifier=function(){if(this.match(h.name))return"async"!==this.state.value;if(!this.match(h._default))return!1;var t=this.lookahead();return t.type===h.comma||t.type===h.name&&"from"===t.value},i.parseExportSpecifiersMaybe=function(t){this.eat(h.comma)&&(t.specifiers=t.specifiers.concat(this.parseExportSpecifiers()))},i.parseExportFrom=function(t,e){this.eatContextual("from")?(t.source=this.match(h.string)?this.parseExprAtom():this.unexpected(),this.checkExport(t)):e?this.unexpected():t.source=null,this.semicolon()},i.shouldParseExportStar=function(){return this.match(h.star)},i.parseExportStar=function(t){this.expect(h.star),this.isContextual("as")?this.parseExportNamespace(t):(this.parseExportFrom(t,!0),this.finishNode(t,"ExportAllDeclaration"))},i.parseExportNamespace=function(t){this.expectPlugin("exportNamespaceFrom");var e=this.startNodeAt(this.state.lastTokStart,this.state.lastTokStartLoc);this.next(),e.exported=this.parseIdentifier(!0),t.specifiers=[this.finishNode(e,"ExportNamespaceSpecifier")],this.parseExportSpecifiersMaybe(t),this.parseExportFrom(t,!0)},i.shouldParseExportDeclaration=function(){return"var"===this.state.type.keyword||"const"===this.state.type.keyword||"let"===this.state.type.keyword||"function"===this.state.type.keyword||"class"===this.state.type.keyword||this.isContextual("async")||this.match(h.at)&&this.expectPlugin("decorators2")},i.checkExport=function(t,e,s){if(e)if(s)this.checkDuplicateExports(t,"default");else if(t.specifiers&&t.specifiers.length)for(var i=0,r=t.specifiers;i<r.length;i++){var a=r[i];this.checkDuplicateExports(a,a.exported.name)}else if(t.declaration)if("FunctionDeclaration"===t.declaration.type||"ClassDeclaration"===t.declaration.type)this.checkDuplicateExports(t,t.declaration.id.name);else if("VariableDeclaration"===t.declaration.type)for(var n=0,o=t.declaration.declarations;n<o.length;n++){var h=o[n];this.checkDeclaration(h.id)}if(this.state.decoratorStack[this.state.decoratorStack.length-1].length){var p=t.declaration&&("ClassDeclaration"===t.declaration.type||"ClassExpression"===t.declaration.type);if(!t.declaration||!p)throw this.raise(t.start,"You can only use decorators on an export when exporting a class");this.takeDecorators(t.declaration)}},i.checkDeclaration=function(t){if("ObjectPattern"===t.type)for(var e=0,s=t.properties;e<s.length;e++){var i=s[e];this.checkDeclaration(i)}else if("ArrayPattern"===t.type)for(var r=0,a=t.elements;r<a.length;r++){var n=a[r];n&&this.checkDeclaration(n)}else"ObjectProperty"===t.type?this.checkDeclaration(t.value):"RestElement"===t.type?this.checkDeclaration(t.argument):"Identifier"===t.type&&this.checkDuplicateExports(t,t.name)},i.checkDuplicateExports=function(t,e){this.state.exportedIdentifiers.indexOf(e)>-1&&this.raiseDuplicateExportError(t,e),this.state.exportedIdentifiers.push(e)},i.raiseDuplicateExportError=function(t,e){throw this.raise(t.start,"default"===e?"Only one default export allowed per module.":`\`${e}\` has already been exported. Exported identifiers must be unique.`)},i.parseExportSpecifiers=function(){var t,e=[],s=!0;for(this.expect(h.braceL);!this.eat(h.braceR);){if(s)s=!1;else if(this.expect(h.comma),this.eat(h.braceR))break;var i=this.match(h._default);i&&!t&&(t=!0);var r=this.startNode();r.local=this.parseIdentifier(i),r.exported=this.eatContextual("as")?this.parseIdentifier(!0):r.local.__clone(),e.push(this.finishNode(r,"ExportSpecifier"))}return t&&!this.isContextual("from")&&this.unexpected(),e},i.parseImport=function(t){return this.match(h.string)?(t.specifiers=[],t.source=this.parseExprAtom()):(t.specifiers=[],this.parseImportSpecifiers(t),this.expectContextual("from"),t.source=this.match(h.string)?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(t,"ImportDeclaration")},i.shouldParseDefaultImport=function(t){return this.match(h.name)},i.parseImportSpecifierLocal=function(t,e,s,i){e.local=this.parseIdentifier(),this.checkLVal(e.local,!0,void 0,i),t.specifiers.push(this.finishNode(e,s))},i.parseImportSpecifiers=function(t){var e=!0;if(!this.shouldParseDefaultImport(t)||(this.parseImportSpecifierLocal(t,this.startNode(),"ImportDefaultSpecifier","default import specifier"),this.eat(h.comma))){if(this.match(h.star)){var s=this.startNode();return this.next(),this.expectContextual("as"),void this.parseImportSpecifierLocal(t,s,"ImportNamespaceSpecifier","import namespace specifier")}for(this.expect(h.braceL);!this.eat(h.braceR);){if(e)e=!1;else if(this.eat(h.colon)&&this.unexpected(null,"ES2015 named imports do not destructure. Use another statement for destructuring after the import."),this.expect(h.comma),this.eat(h.braceR))break;this.parseImportSpecifier(t)}}},i.parseImportSpecifier=function(t){var e=this.startNode();e.imported=this.parseIdentifier(!0),this.eatContextual("as")?e.local=this.parseIdentifier():(this.checkReservedWord(e.imported.name,e.start,!0,!0),e.local=e.imported.__clone()),this.checkLVal(e.local,!0,void 0,"import specifier"),t.specifiers.push(this.finishNode(e,"ImportSpecifier"))},e}(function(t){function e(){return t.apply(this,arguments)||this}s(e,t);var i=e.prototype;return i.checkPropClash=function(t,e){if(!t.computed&&!t.kind){var s=t.key;"__proto__"===("Identifier"===s.type?s.name:String(s.value))&&(e.proto&&this.raise(s.start,"Redefinition of __proto__ property"),e.proto=!0)}},i.getExpression=function(){this.nextToken();var t=this.parseExpression();return this.match(h.eof)||this.unexpected(),t.comments=this.state.comments,t},i.parseExpression=function(t,e){var s=this.state.start,i=this.state.startLoc,r=this.parseMaybeAssign(t,e);if(this.match(h.comma)){var a=this.startNodeAt(s,i);for(a.expressions=[r];this.eat(h.comma);)a.expressions.push(this.parseMaybeAssign(t,e));return this.toReferencedList(a.expressions),this.finishNode(a,"SequenceExpression")}return r},i.parseMaybeAssign=function(t,e,s,i){var r,a=this.state.start,n=this.state.startLoc;if(this.match(h._yield)&&this.state.inGenerator){var o=this.parseYield();return s&&(o=s.call(this,o,a,n)),o}e?r=!1:(e={start:0},r=!0),(this.match(h.parenL)||this.match(h.name)||this.match(h._yield))&&(this.state.potentialArrowAt=this.state.start);var p=this.parseMaybeConditional(t,e,i);if(s&&(p=s.call(this,p,a,n)),this.state.type.isAssign){var c,l=this.startNodeAt(a,n);if(l.operator=this.state.value,l.left=this.match(h.eq)?this.toAssignable(p,void 0,"assignment expression"):p,e.start=0,this.checkLVal(p,void 0,void 0,"assignment expression"),p.extra&&p.extra.parenthesized)"ObjectPattern"===p.type?c="`({a}) = 0` use `({a} = 0)`":"ArrayPattern"===p.type&&(c="`([a]) = 0` use `([a] = 0)`"),c&&this.raise(p.start,`You're trying to assign to a parenthesized expression, eg. instead of ${c}`);return this.next(),l.right=this.parseMaybeAssign(t),this.finishNode(l,"AssignmentExpression")}return r&&e.start&&this.unexpected(e.start),p},i.parseMaybeConditional=function(t,e,s){var i=this.state.start,r=this.state.startLoc,a=this.state.potentialArrowAt,n=this.parseExprOps(t,e);return"ArrowFunctionExpression"===n.type&&n.start===a?n:e&&e.start?n:this.parseConditional(n,t,i,r,s)},i.parseConditional=function(t,e,s,i,r){if(this.eat(h.question)){var a=this.startNodeAt(s,i);return a.test=t,a.consequent=this.parseMaybeAssign(),this.expect(h.colon),a.alternate=this.parseMaybeAssign(e),this.finishNode(a,"ConditionalExpression")}return t},i.parseExprOps=function(t,e){var s=this.state.start,i=this.state.startLoc,r=this.state.potentialArrowAt,a=this.parseMaybeUnary(e);return"ArrowFunctionExpression"===a.type&&a.start===r?a:e&&e.start?a:this.parseExprOp(a,s,i,-1,t)},i.parseExprOp=function(t,e,s,i,r){var a=this.state.type.binop;if(!(null==a||r&&this.match(h._in))&&a>i){var n=this.startNodeAt(e,s);n.left=t,n.operator=this.state.value,"**"!==n.operator||"UnaryExpression"!==t.type||!t.extra||t.extra.parenthesizedArgument||t.extra.parenthesized||this.raise(t.argument.start,"Illegal expression. Wrap left hand side or entire exponentiation in parentheses.");var o=this.state.type;this.next();var p=this.state.start,c=this.state.startLoc;return"|>"===n.operator&&(this.expectPlugin("pipelineOperator"),this.state.potentialArrowAt=p),"??"===n.operator&&this.expectPlugin("nullishCoalescingOperator"),n.right=this.parseExprOp(this.parseMaybeUnary(),p,c,o.rightAssociative?a-1:a,r),this.finishNode(n,o===h.logicalOR||o===h.logicalAND||o===h.nullishCoalescing?"LogicalExpression":"BinaryExpression"),this.parseExprOp(n,e,s,i,r)}return t},i.parseMaybeUnary=function(t){if(this.state.type.prefix){var e=this.startNode(),s=this.match(h.incDec);e.operator=this.state.value,e.prefix=!0,"throw"===e.operator&&this.expectPlugin("throwExpressions"),this.next();var i=this.state.type;if(e.argument=this.parseMaybeUnary(),this.addExtra(e,"parenthesizedArgument",!(i!==h.parenL||e.argument.extra&&e.argument.extra.parenthesized)),t&&t.start&&this.unexpected(t.start),s)this.checkLVal(e.argument,void 0,void 0,"prefix operation");else if(this.state.strict&&"delete"===e.operator){var r=e.argument;"Identifier"===r.type?this.raise(e.start,"Deleting local variable in strict mode"):"MemberExpression"===r.type&&"PrivateName"===r.property.type&&this.raise(e.start,"Deleting a private field is not allowed")}return this.finishNode(e,s?"UpdateExpression":"UnaryExpression")}var a=this.state.start,n=this.state.startLoc,o=this.parseExprSubscripts(t);if(t&&t.start)return o;for(;this.state.type.postfix&&!this.canInsertSemicolon();){var p=this.startNodeAt(a,n);p.operator=this.state.value,p.prefix=!1,p.argument=o,this.checkLVal(o,void 0,void 0,"postfix operation"),this.next(),o=this.finishNode(p,"UpdateExpression")}return o},i.parseExprSubscripts=function(t){var e=this.state.start,s=this.state.startLoc,i=this.state.potentialArrowAt,r=this.parseExprAtom(t);return"ArrowFunctionExpression"===r.type&&r.start===i?r:t&&t.start?r:this.parseSubscripts(r,e,s)},i.parseSubscripts=function(t,e,s,i){var r={stop:!1};do{t=this.parseSubscript(t,e,s,i,r)}while(!r.stop);return t},i.parseSubscript=function(t,e,s,i,r){if(!i&&this.eat(h.doubleColon)){var a=this.startNodeAt(e,s);return a.object=t,a.callee=this.parseNoCallExpr(),r.stop=!0,this.parseSubscripts(this.finishNode(a,"BindExpression"),e,s,i)}if(this.match(h.questionDot)){if(this.expectPlugin("optionalChaining"),i&&this.lookahead().type==h.parenL)return r.stop=!0,t;this.next();var n=this.startNodeAt(e,s);if(this.eat(h.bracketL))return n.object=t,n.property=this.parseExpression(),n.computed=!0,n.optional=!0,this.expect(h.bracketR),this.finishNode(n,"MemberExpression");if(this.eat(h.parenL)){var o=this.atPossibleAsync(t);return n.callee=t,n.arguments=this.parseCallExpressionArguments(h.parenR,o),n.optional=!0,this.finishNode(n,"CallExpression")}return n.object=t,n.property=this.parseIdentifier(!0),n.computed=!1,n.optional=!0,this.finishNode(n,"MemberExpression")}if(this.eat(h.dot)){var p=this.startNodeAt(e,s);return p.object=t,p.property=this.parseMaybePrivateName(),p.computed=!1,this.finishNode(p,"MemberExpression")}if(this.eat(h.bracketL)){var c=this.startNodeAt(e,s);return c.object=t,c.property=this.parseExpression(),c.computed=!0,this.expect(h.bracketR),this.finishNode(c,"MemberExpression")}if(!i&&this.match(h.parenL)){var l=this.atPossibleAsync(t);this.next();var u=this.startNodeAt(e,s);u.callee=t;var d={start:-1};return u.arguments=this.parseCallExpressionArguments(h.parenR,l,d),this.finishCallExpression(u),l&&this.shouldParseAsyncArrow()?(r.stop=!0,d.start>-1&&this.raise(d.start,"A trailing comma is not permitted after the rest element"),this.parseAsyncArrowFromCallExpression(this.startNodeAt(e,s),u)):(this.toReferencedList(u.arguments),u)}if(this.match(h.backQuote)){var f=this.startNodeAt(e,s);return f.tag=t,f.quasi=this.parseTemplate(!0),this.finishNode(f,"TaggedTemplateExpression")}return r.stop=!0,t},i.atPossibleAsync=function(t){return this.state.potentialArrowAt===t.start&&"Identifier"===t.type&&"async"===t.name&&!this.canInsertSemicolon()},i.finishCallExpression=function(t){if("Import"===t.callee.type){1!==t.arguments.length&&this.raise(t.start,"import() requires exactly one argument");var e=t.arguments[0];e&&"SpreadElement"===e.type&&this.raise(e.start,"... is not allowed in import()")}return this.finishNode(t,"CallExpression")},i.parseCallExpressionArguments=function(t,e,s){for(var i,r=[],a=!0;!this.eat(t);){if(a)a=!1;else if(this.expect(h.comma),this.eat(t))break;this.match(h.parenL)&&!i&&(i=this.state.start),r.push(this.parseExprListItem(!1,e?{start:0}:void 0,e?{start:0}:void 0,e?s:void 0))}return e&&i&&this.shouldParseAsyncArrow()&&this.unexpected(),r},i.shouldParseAsyncArrow=function(){return this.match(h.arrow)},i.parseAsyncArrowFromCallExpression=function(t,e){var s=this.state.yieldInPossibleArrowParameters;return this.state.yieldInPossibleArrowParameters=null,this.expect(h.arrow),this.parseArrowExpression(t,e.arguments,!0),this.state.yieldInPossibleArrowParameters=s,t},i.parseNoCallExpr=function(){var t=this.state.start,e=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),t,e,!0)},i.parseExprAtom=function(t){var e,s=this.state.potentialArrowAt===this.state.start;switch(this.state.type){case h._super:return this.state.inMethod||this.state.inClassProperty||this.options.allowSuperOutsideMethod||this.raise(this.state.start,"super is only allowed in object methods and classes"),e=this.startNode(),this.next(),this.match(h.parenL)||this.match(h.bracketL)||this.match(h.dot)||this.unexpected(),this.match(h.parenL)&&"constructor"!==this.state.inMethod&&!this.options.allowSuperOutsideMethod&&this.raise(e.start,"super() is only valid inside a class constructor. Make sure the method name is spelled exactly as 'constructor'."),this.finishNode(e,"Super");case h._import:return this.lookahead().type===h.dot?this.parseImportMetaProperty():(this.expectPlugin("dynamicImport"),e=this.startNode(),this.next(),this.match(h.parenL)||this.unexpected(null,h.parenL),this.finishNode(e,"Import"));case h._this:return e=this.startNode(),this.next(),this.finishNode(e,"ThisExpression");case h._yield:this.state.inGenerator&&this.unexpected();case h.name:e=this.startNode();var i="await"===this.state.value&&this.state.inAsync,r=this.shouldAllowYieldIdentifier(),a=this.parseIdentifier(i||r);if("await"===a.name){if(this.state.inAsync||this.inModule)return this.parseAwait(e)}else{if("async"===a.name&&this.match(h._function)&&!this.canInsertSemicolon())return this.next(),this.parseFunction(e,!1,!1,!0);if(s&&"async"===a.name&&this.match(h.name)){var n=this.state.yieldInPossibleArrowParameters;this.state.yieldInPossibleArrowParameters=null;var o=[this.parseIdentifier()];return this.expect(h.arrow),this.parseArrowExpression(e,o,!0),this.state.yieldInPossibleArrowParameters=n,e}}if(s&&!this.canInsertSemicolon()&&this.eat(h.arrow)){var p=this.state.yieldInPossibleArrowParameters;return this.state.yieldInPossibleArrowParameters=null,this.parseArrowExpression(e,[a]),this.state.yieldInPossibleArrowParameters=p,e}return a;case h._do:this.expectPlugin("doExpressions");var c=this.startNode();this.next();var l=this.state.inFunction,u=this.state.labels;return this.state.labels=[],this.state.inFunction=!1,c.body=this.parseBlock(!1),this.state.inFunction=l,this.state.labels=u,this.finishNode(c,"DoExpression");case h.regexp:var d=this.state.value;return(e=this.parseLiteral(d.value,"RegExpLiteral")).pattern=d.pattern,e.flags=d.flags,e;case h.num:return this.parseLiteral(this.state.value,"NumericLiteral");case h.bigint:return this.parseLiteral(this.state.value,"BigIntLiteral");case h.string:return this.parseLiteral(this.state.value,"StringLiteral");case h._null:return e=this.startNode(),this.next(),this.finishNode(e,"NullLiteral");case h._true:case h._false:return this.parseBooleanLiteral();case h.parenL:return this.parseParenAndDistinguishExpression(s);case h.bracketL:return e=this.startNode(),this.next(),e.elements=this.parseExprList(h.bracketR,!0,t),this.toReferencedList(e.elements),this.finishNode(e,"ArrayExpression");case h.braceL:return this.parseObj(!1,t);case h._function:return this.parseFunctionExpression();case h.at:this.parseDecorators();case h._class:return e=this.startNode(),this.takeDecorators(e),this.parseClass(e,!1);case h._new:return this.parseNew();case h.backQuote:return this.parseTemplate(!1);case h.doubleColon:e=this.startNode(),this.next(),e.object=null;var f=e.callee=this.parseNoCallExpr();if("MemberExpression"===f.type)return this.finishNode(e,"BindExpression");throw this.raise(f.start,"Binding should be performed on object property.");default:throw this.unexpected()}},i.parseBooleanLiteral=function(){var t=this.startNode();return t.value=this.match(h._true),this.next(),this.finishNode(t,"BooleanLiteral")},i.parseMaybePrivateName=function(){if(this.match(h.hash)){this.expectOnePlugin(["classPrivateProperties","classPrivateMethods"]);var t=this.startNode();return this.next(),t.id=this.parseIdentifier(!0),this.finishNode(t,"PrivateName")}return this.parseIdentifier(!0)},i.parseFunctionExpression=function(){var t=this.startNode(),e=this.parseIdentifier(!0);return this.state.inGenerator&&this.eat(h.dot)?this.parseMetaProperty(t,e,"sent"):this.parseFunction(t,!1)},i.parseMetaProperty=function(t,e,s){return t.meta=e,"function"===e.name&&"sent"===s&&(this.isContextual(s)?this.expectPlugin("functionSent"):this.hasPlugin("functionSent")||this.unexpected()),t.property=this.parseIdentifier(!0),t.property.name!==s&&this.raise(t.property.start,`The only valid meta property for ${e.name} is ${e.name}.${s}`),this.finishNode(t,"MetaProperty")},i.parseImportMetaProperty=function(){var t=this.startNode(),e=this.parseIdentifier(!0);return this.expect(h.dot),"import"===e.name&&(this.isContextual("meta")?this.expectPlugin("importMeta"):this.hasPlugin("importMeta")||this.raise(e.start,"Dynamic imports require a parameter: import('a.js').then")),this.inModule||this.raise(e.start,"import.meta may appear only with 'sourceType: \"module\"'"),this.parseMetaProperty(t,e,"meta")},i.parseLiteral=function(t,e,s,i){s=s||this.state.start,i=i||this.state.startLoc;var r=this.startNodeAt(s,i);return this.addExtra(r,"rawValue",t),this.addExtra(r,"raw",this.input.slice(s,this.state.end)),r.value=t,this.next(),this.finishNode(r,e)},i.parseParenExpression=function(){this.expect(h.parenL);var t=this.parseExpression();return this.expect(h.parenR),t},i.parseParenAndDistinguishExpression=function(t){var e,s=this.state.start,i=this.state.startLoc;this.expect(h.parenL);var r=this.state.maybeInArrowParameters,a=this.state.yieldInPossibleArrowParameters;this.state.maybeInArrowParameters=!0,this.state.yieldInPossibleArrowParameters=null;for(var n,o,p=this.state.start,c=this.state.startLoc,l=[],u={start:0},d={start:0},f=!0;!this.match(h.parenR);){if(f)f=!1;else if(this.expect(h.comma,d.start||null),this.match(h.parenR)){o=this.state.start;break}if(this.match(h.ellipsis)){var m=this.state.start,y=this.state.startLoc;n=this.state.start,l.push(this.parseParenItem(this.parseRest(),m,y)),this.match(h.comma)&&this.lookahead().type===h.parenR&&this.raise(this.state.start,"A trailing comma is not permitted after the rest element");break}l.push(this.parseMaybeAssign(!1,u,this.parseParenItem,d))}var x=this.state.start,P=this.state.startLoc;this.expect(h.parenR),this.state.maybeInArrowParameters=r;var v=this.startNodeAt(s,i);if(t&&this.shouldParseArrow()&&(v=this.parseArrow(v))){for(var g=0;g<l.length;g++){var b=l[g];b.extra&&b.extra.parenthesized&&this.unexpected(b.extra.parenStart)}return this.parseArrowExpression(v,l),this.state.yieldInPossibleArrowParameters=a,v}return this.state.yieldInPossibleArrowParameters=a,l.length||this.unexpected(this.state.lastTokStart),o&&this.unexpected(o),n&&this.unexpected(n),u.start&&this.unexpected(u.start),d.start&&this.unexpected(d.start),l.length>1?((e=this.startNodeAt(p,c)).expressions=l,this.toReferencedList(e.expressions),this.finishNodeAt(e,"SequenceExpression",x,P)):e=l[0],this.addExtra(e,"parenthesized",!0),this.addExtra(e,"parenStart",s),e},i.shouldParseArrow=function(){return!this.canInsertSemicolon()},i.parseArrow=function(t){if(this.eat(h.arrow))return t},i.parseParenItem=function(t,e,s){return t},i.parseNew=function(){var t=this.startNode(),e=this.parseIdentifier(!0);if(this.eat(h.dot)){var s=this.parseMetaProperty(t,e,"target");if(!this.state.inFunction&&!this.state.inClassProperty){var i="new.target can only be used in functions";this.hasPlugin("classProperties")&&(i+=" or class properties"),this.raise(s.start,i)}return s}return t.callee=this.parseNoCallExpr(),this.eat(h.questionDot)&&(t.optional=!0),this.parseNewArguments(t),this.finishNode(t,"NewExpression")},i.parseNewArguments=function(t){if(this.eat(h.parenL)){var e=this.parseExprList(h.parenR);this.toReferencedList(e),t.arguments=e}else t.arguments=[]},i.parseTemplateElement=function(t){var e=this.startNode();return null===this.state.value&&(t?this.state.invalidTemplateEscapePosition=null:this.raise(this.state.invalidTemplateEscapePosition||0,"Invalid escape sequence in template")),e.value={raw:this.input.slice(this.state.start,this.state.end).replace(/\r\n?/g,"\n"),cooked:this.state.value},this.next(),e.tail=this.match(h.backQuote),this.finishNode(e,"TemplateElement")},i.parseTemplate=function(t){var e=this.startNode();this.next(),e.expressions=[];var s=this.parseTemplateElement(t);for(e.quasis=[s];!s.tail;)this.expect(h.dollarBraceL),e.expressions.push(this.parseExpression()),this.expect(h.braceR),e.quasis.push(s=this.parseTemplateElement(t));return this.next(),this.finishNode(e,"TemplateLiteral")},i.parseObj=function(t,e){var s=[],i=Object.create(null),r=!0,a=this.startNode();a.properties=[],this.next();for(var n=null;!this.eat(h.braceR);){if(r)r=!1;else if(this.expect(h.comma),this.eat(h.braceR))break;if(this.match(h.at))if(this.hasPlugin("decorators2"))this.raise(this.state.start,"Stage 2 decorators disallow object literal property decorators");else for(;this.match(h.at);)s.push(this.parseDecorator());var o=this.startNode(),p=!1,c=!1,l=void 0,u=void 0;if(s.length&&(o.decorators=s,s=[]),this.match(h.ellipsis)){if(this.expectPlugin("objectRestSpread"),o=this.parseSpread(t?{start:0}:void 0),t&&this.toAssignable(o,!0,"object pattern"),a.properties.push(o),!t)continue;var d=this.state.start;if(null!==n)this.unexpected(n,"Cannot have multiple rest elements when destructuring");else{if(this.eat(h.braceR))break;if(!this.match(h.comma)||this.lookahead().type!==h.braceR){n=d;continue}this.unexpected(d,"A trailing comma is not permitted after the rest element")}}if(o.method=!1,(t||e)&&(l=this.state.start,u=this.state.startLoc),t||(p=this.eat(h.star)),!t&&this.isContextual("async")){p&&this.unexpected();var f=this.parseIdentifier();this.match(h.colon)||this.match(h.parenL)||this.match(h.braceR)||this.match(h.eq)||this.match(h.comma)?(o.key=f,o.computed=!1):(c=!0,this.match(h.star)&&(this.expectPlugin("asyncGenerators"),this.next(),p=!0),this.parsePropertyName(o))}else this.parsePropertyName(o);this.parseObjPropValue(o,l,u,p,c,t,e),this.checkPropClash(o,i),o.shorthand&&this.addExtra(o,"shorthand",!0),a.properties.push(o)}return null!==n&&this.unexpected(n,"The rest element has to be the last element when destructuring"),s.length&&this.raise(this.state.start,"You have trailing decorators with no property"),this.finishNode(a,t?"ObjectPattern":"ObjectExpression")},i.isGetterOrSetterMethod=function(t,e){return!e&&!t.computed&&"Identifier"===t.key.type&&("get"===t.key.name||"set"===t.key.name)&&(this.match(h.string)||this.match(h.num)||this.match(h.bracketL)||this.match(h.name)||!!this.state.type.keyword)},i.checkGetterSetterParamCount=function(t){var e="get"===t.kind?0:1;if(t.params.length!==e){var s=t.start;"get"===t.kind?this.raise(s,"getter should have no params"):this.raise(s,"setter should have exactly one param")}},i.parseObjectMethod=function(t,e,s,i){return s||e||this.match(h.parenL)?(i&&this.unexpected(),t.kind="method",t.method=!0,this.parseMethod(t,e,s,!1,"ObjectMethod")):this.isGetterOrSetterMethod(t,i)?((e||s)&&this.unexpected(),t.kind=t.key.name,this.parsePropertyName(t),this.parseMethod(t,!1,!1,!1,"ObjectMethod"),this.checkGetterSetterParamCount(t),t):void 0},i.parseObjectProperty=function(t,e,s,i,r){return t.shorthand=!1,this.eat(h.colon)?(t.value=i?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssign(!1,r),this.finishNode(t,"ObjectProperty")):t.computed||"Identifier"!==t.key.type?void 0:(this.checkReservedWord(t.key.name,t.key.start,!0,!0),i?t.value=this.parseMaybeDefault(e,s,t.key.__clone()):this.match(h.eq)&&r?(r.start||(r.start=this.state.start),t.value=this.parseMaybeDefault(e,s,t.key.__clone())):t.value=t.key.__clone(),t.shorthand=!0,this.finishNode(t,"ObjectProperty"))},i.parseObjPropValue=function(t,e,s,i,r,a,n){var o=this.parseObjectMethod(t,i,r,a)||this.parseObjectProperty(t,e,s,a,n);return o||this.unexpected(),o},i.parsePropertyName=function(t){if(this.eat(h.bracketL))t.computed=!0,t.key=this.parseMaybeAssign(),this.expect(h.bracketR);else{var e=this.state.inPropertyName;this.state.inPropertyName=!0,t.key=this.match(h.num)||this.match(h.string)?this.parseExprAtom():this.parseMaybePrivateName(),"PrivateName"!==t.key.type&&(t.computed=!1),this.state.inPropertyName=e}return t.key},i.initFunction=function(t,e){t.id=null,t.generator=!1,t.async=!!e},i.parseMethod=function(t,e,s,i,r){var a=this.state.inFunction,n=this.state.inMethod,o=this.state.inGenerator;this.state.inFunction=!0,this.state.inMethod=t.kind||!0,this.state.inGenerator=e,this.initFunction(t,s),t.generator=!!e;var h=i;return this.parseFunctionParams(t,h),this.parseFunctionBodyAndFinish(t,r),this.state.inFunction=a,this.state.inMethod=n,this.state.inGenerator=o,t},i.parseArrowExpression=function(t,e,s){this.state.yieldInPossibleArrowParameters&&this.raise(this.state.yieldInPossibleArrowParameters.start,"yield is not allowed in the parameters of an arrow function inside a generator");var i=this.state.inFunction;this.state.inFunction=!0,this.initFunction(t,s),e&&this.setArrowFunctionParameters(t,e);var r=this.state.inGenerator,a=this.state.maybeInArrowParameters;return this.state.inGenerator=!1,this.state.maybeInArrowParameters=!1,this.parseFunctionBody(t,!0),this.state.inGenerator=r,this.state.inFunction=i,this.state.maybeInArrowParameters=a,this.finishNode(t,"ArrowFunctionExpression")},i.setArrowFunctionParameters=function(t,e){t.params=this.toAssignableList(e,!0,"arrow function parameters")},i.isStrictBody=function(t){if("BlockStatement"===t.body.type&&t.body.directives.length)for(var e=0,s=t.body.directives;e<s.length;e++){if("use strict"===s[e].value.value)return!0}return!1},i.parseFunctionBodyAndFinish=function(t,e,s){this.parseFunctionBody(t,s),this.finishNode(t,e)},i.parseFunctionBody=function(t,e){var s=e&&!this.match(h.braceL),i=this.state.inParameters,r=this.state.inAsync;if(this.state.inParameters=!1,this.state.inAsync=t.async,s)t.body=this.parseMaybeAssign();else{var a=this.state.inGenerator,n=this.state.inFunction,o=this.state.labels;this.state.inGenerator=t.generator,this.state.inFunction=!0,this.state.labels=[],t.body=this.parseBlock(!0),this.state.inFunction=n,this.state.inGenerator=a,this.state.labels=o}this.state.inAsync=r,this.checkFunctionNameAndParams(t,e),this.state.inParameters=i},i.checkFunctionNameAndParams=function(t,e){var s=this.isStrictBody(t),i=this.state.strict||s||e,r=this.state.strict;if(s&&(this.state.strict=s),t.id&&this.checkReservedWord(t.id,t.start,!0,!0),i){var a=Object.create(null);t.id&&this.checkLVal(t.id,!0,void 0,"function name");for(var n=0,o=t.params;n<o.length;n++){var h=o[n];s&&"Identifier"!==h.type&&this.raise(h.start,"Non-simple parameter in strict mode"),this.checkLVal(h,!0,a,"function parameter list")}}this.state.strict=r},i.parseExprList=function(t,e,s){for(var i=[],r=!0;!this.eat(t);){if(r)r=!1;else if(this.expect(h.comma),this.eat(t))break;i.push(this.parseExprListItem(e,s))}return i},i.parseExprListItem=function(t,e,s,i){var r;return t&&this.match(h.comma)?r=null:this.match(h.ellipsis)?(r=this.parseSpread(e),i&&this.match(h.comma)&&(i.start=this.state.start)):r=this.parseMaybeAssign(!1,e,this.parseParenItem,s),r},i.parseIdentifier=function(t){var e=this.startNode(),s=this.parseIdentifierName(e.start,t);return e.name=s,e.loc.identifierName=s,this.finishNode(e,"Identifier")},i.parseIdentifierName=function(t,e){var s;if(e||this.checkReservedWord(this.state.value,this.state.start,!!this.state.type.keyword,!1),this.match(h.name))s=this.state.value;else{if(!this.state.type.keyword)throw this.unexpected();s=this.state.type.keyword}return!e&&"await"===s&&this.state.inAsync&&this.raise(t,"invalid use of await inside of an async function"),this.next(),s},i.checkReservedWord=function(t,e,s,i){this.state.strict&&(l.strict(t)||i&&l.strictBind(t))&&this.raise(e,t+" is a reserved word in strict mode"),this.state.inGenerator&&"yield"===t&&this.raise(e,"yield is a reserved word inside generator functions"),(this.isReservedWord(t)||s&&this.isKeyword(t))&&this.raise(e,t+" is a reserved word")},i.parseAwait=function(t){return this.state.inAsync||this.unexpected(),this.match(h.star)&&this.raise(t.start,"await* has been removed from the async functions proposal. Use Promise.all() instead."),t.argument=this.parseMaybeUnary(),this.finishNode(t,"AwaitExpression")},i.parseYield=function(){var t=this.startNode();return this.state.inParameters&&this.raise(t.start,"yield is not allowed in generator parameters"),this.state.maybeInArrowParameters&&!this.state.yieldInPossibleArrowParameters&&(this.state.yieldInPossibleArrowParameters=t),this.next(),this.match(h.semi)||this.canInsertSemicolon()||!this.match(h.star)&&!this.state.type.startsExpr?(t.delegate=!1,t.argument=null):(t.delegate=this.eat(h.star),t.argument=this.parseMaybeAssign()),this.finishNode(t,"YieldExpression")},e}(function(t){function e(){return t.apply(this,arguments)||this}s(e,t);var i=e.prototype;return i.toAssignable=function(t,e,s){if(t)switch(t.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":break;case"ObjectExpression":t.type="ObjectPattern";for(var i=0;i<t.properties.length;i++){var r=t.properties[i],a=i===t.properties.length-1;this.toAssignableObjectExpressionProp(r,e,a)}break;case"ObjectProperty":this.toAssignable(t.value,e,s);break;case"SpreadElement":this.checkToRestConversion(t),t.type="RestElement";var n=t.argument;this.toAssignable(n,e,s);break;case"ArrayExpression":t.type="ArrayPattern",this.toAssignableList(t.elements,e,s);break;case"AssignmentExpression":"="===t.operator?(t.type="AssignmentPattern",delete t.operator):this.raise(t.left.end,"Only '=' operator can be used for specifying default value.");break;case"MemberExpression":if(!e)break;default:var o="Invalid left-hand side"+(s?" in "+s:"expression");this.raise(t.start,o)}return t},i.toAssignableObjectExpressionProp=function(t,e,s){if("ObjectMethod"===t.type){var i="get"===t.kind||"set"===t.kind?"Object pattern can't contain getter or setter":"Object pattern can't contain methods";this.raise(t.key.start,i)}else"SpreadElement"!==t.type||s?this.toAssignable(t,e,"object destructuring pattern"):this.raise(t.start,"The rest element has to be the last element when destructuring")},i.toAssignableList=function(t,e,s){var i=t.length;if(i){var r=t[i-1];if(r&&"RestElement"===r.type)--i;else if(r&&"SpreadElement"===r.type){r.type="RestElement";var a=r.argument;this.toAssignable(a,e,s),"Identifier"!==a.type&&"MemberExpression"!==a.type&&"ArrayPattern"!==a.type&&this.unexpected(a.start),--i}}for(var n=0;n<i;n++){var o=t[n];o&&"SpreadElement"===o.type&&this.raise(o.start,"The rest element has to be the last element when destructuring"),o&&this.toAssignable(o,e,s)}return t},i.toReferencedList=function(t){return t},i.parseSpread=function(t){var e=this.startNode();return this.next(),e.argument=this.parseMaybeAssign(!1,t),this.finishNode(e,"SpreadElement")},i.parseRest=function(){var t=this.startNode();return this.next(),t.argument=this.parseBindingAtom(),this.finishNode(t,"RestElement")},i.shouldAllowYieldIdentifier=function(){return this.match(h._yield)&&!this.state.strict&&!this.state.inGenerator},i.parseBindingIdentifier=function(){return this.parseIdentifier(this.shouldAllowYieldIdentifier())},i.parseBindingAtom=function(){switch(this.state.type){case h._yield:case h.name:return this.parseBindingIdentifier();case h.bracketL:var t=this.startNode();return this.next(),t.elements=this.parseBindingList(h.bracketR,!0),this.finishNode(t,"ArrayPattern");case h.braceL:return this.parseObj(!0);default:throw this.unexpected()}},i.parseBindingList=function(t,e,s){for(var i=[],r=!0;!this.eat(t);)if(r?r=!1:this.expect(h.comma),e&&this.match(h.comma))i.push(null);else{if(this.eat(t))break;if(this.match(h.ellipsis)){i.push(this.parseAssignableListItemTypes(this.parseRest())),this.expect(t);break}var a=[];for(this.match(h.at)&&this.hasPlugin("decorators2")&&this.raise(this.state.start,"Stage 2 decorators cannot be used to decorate parameters");this.match(h.at);)a.push(this.parseDecorator());i.push(this.parseAssignableListItem(s,a))}return i},i.parseAssignableListItem=function(t,e){var s=this.parseMaybeDefault();this.parseAssignableListItemTypes(s);var i=this.parseMaybeDefault(s.start,s.loc.start,s);return e.length&&(s.decorators=e),i},i.parseAssignableListItemTypes=function(t){return t},i.parseMaybeDefault=function(t,e,s){if(e=e||this.state.startLoc,t=t||this.state.start,s=s||this.parseBindingAtom(),!this.eat(h.eq))return s;var i=this.startNodeAt(t,e);return i.left=s,i.right=this.parseMaybeAssign(),this.finishNode(i,"AssignmentPattern")},i.checkLVal=function(t,e,s,i){switch(t.type){case"Identifier":if(this.checkReservedWord(t.name,t.start,!1,!0),s){var r=`_${t.name}`;s[r]?this.raise(t.start,"Argument name clash in strict mode"):s[r]=!0}break;case"MemberExpression":e&&this.raise(t.start,"Binding member expression");break;case"ObjectPattern":for(var a=0,n=t.properties;a<n.length;a++){var o=n[a];"ObjectProperty"===o.type&&(o=o.value),this.checkLVal(o,e,s,"object destructuring pattern")}break;case"ArrayPattern":for(var h=0,p=t.elements;h<p.length;h++){var c=p[h];c&&this.checkLVal(c,e,s,"array destructuring pattern")}break;case"AssignmentPattern":this.checkLVal(t.left,e,s,"assignment pattern");break;case"RestElement":this.checkLVal(t.argument,e,s,"rest element");break;default:var l=(e?"Binding invalid":"Invalid")+" left-hand side"+(i?" in "+i:"expression");this.raise(t.start,l)}},i.checkToRestConversion=function(t){-1===["Identifier","MemberExpression"].indexOf(t.argument.type)&&this.raise(t.argument.start,"Invalid rest operator's argument")},e}(function(t){function e(){return t.apply(this,arguments)||this}s(e,t);var i=e.prototype;return i.startNode=function(){return new B(this,this.state.start,this.state.startLoc)},i.startNodeAt=function(t,e){return new B(this,t,e)},i.startNodeAtNode=function(t){return 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t.static=e,t.value=this.flowParseObjectTypeMethodish(s),this.finishNode(t,"ObjectTypeCallProperty")},i.flowParseObjectType=function(t,e,s){var i=this.state.inType;this.state.inType=!0;var r,a,n=this.startNode();for(n.callProperties=[],n.properties=[],n.indexers=[],e&&this.match(h.braceBarL)?(this.expect(h.braceBarL),r=h.braceBarR,a=!0):(this.expect(h.braceL),r=h.braceR,a=!1),n.exact=a;!this.match(r);){var o=!1,p=this.startNode();t&&this.isContextual("static")&&this.lookahead().type!==h.colon&&(this.next(),o=!0);var c=this.flowParseVariance();if(this.match(h.bracketL))n.indexers.push(this.flowParseObjectTypeIndexer(p,o,c));else if(this.match(h.parenL)||this.isRelational("<"))c&&this.unexpected(c.start),n.callProperties.push(this.flowParseObjectTypeCallProperty(p,o));else{var l="init";if(this.isContextual("get")||this.isContextual("set")){var 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this.isRelational("<")||this.match(h.parenL)?(s&&this.unexpected(s.start),t.value=this.flowParseObjectTypeMethodish(this.startNodeAt(t.start,t.loc.start)),"get"!==i&&"set"!==i||this.flowCheckGetterSetterParamCount(t)):("init"!==i&&this.unexpected(),this.eat(h.question)&&(a=!0),t.value=this.flowParseTypeInitialiser(),t.variance=s),t.optional=a,this.finishNode(t,"ObjectTypeProperty")},i.flowCheckGetterSetterParamCount=function(t){var e="get"===t.kind?0:1;if(t.value.params.length!==e){var s=t.start;"get"===t.kind?this.raise(s,"getter should have no params"):this.raise(s,"setter should have exactly one param")}},i.flowObjectTypeSemicolon=function(){this.eat(h.semi)||this.eat(h.comma)||this.match(h.braceR)||this.match(h.braceBarR)||this.unexpected()},i.flowParseQualifiedTypeIdentifier=function(t,e,s){t=t||this.state.start,e=e||this.state.startLoc;for(var i=s||this.parseIdentifier();this.eat(h.dot);){var r=this.startNodeAt(t,e);r.qualification=i,r.id=this.parseIdentifier(),i=this.finishNode(r,"QualifiedTypeIdentifier")}return i},i.flowParseGenericType=function(t,e,s){var i=this.startNodeAt(t,e);return i.typeParameters=null,i.id=this.flowParseQualifiedTypeIdentifier(t,e,s),this.isRelational("<")&&(i.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(i,"GenericTypeAnnotation")},i.flowParseTypeofType=function(){var t=this.startNode();return this.expect(h._typeof),t.argument=this.flowParsePrimaryType(),this.finishNode(t,"TypeofTypeAnnotation")},i.flowParseTupleType=function(){var t=this.startNode();for(t.types=[],this.expect(h.bracketL);this.state.pos<this.input.length&&!this.match(h.bracketR)&&(t.types.push(this.flowParseType()),!this.match(h.bracketR));)this.expect(h.comma);return this.expect(h.bracketR),this.finishNode(t,"TupleTypeAnnotation")},i.flowParseFunctionTypeParam=function(){var t=null,e=!1,s=null,i=this.startNode(),r=this.lookahead();return r.type===h.colon||r.type===h.question?(t=this.parseIdentifier(),this.eat(h.question)&&(e=!0),s=this.flowParseTypeInitialiser()):s=this.flowParseType(),i.name=t,i.optional=e,i.typeAnnotation=s,this.finishNode(i,"FunctionTypeParam")},i.reinterpretTypeAsFunctionTypeParam=function(t){var e=this.startNodeAt(t.start,t.loc.start);return e.name=null,e.optional=!1,e.typeAnnotation=t,this.finishNode(e,"FunctionTypeParam")},i.flowParseFunctionTypeParams=function(t){void 0===t&&(t=[]);for(var e=null;!this.match(h.parenR)&&!this.match(h.ellipsis);)t.push(this.flowParseFunctionTypeParam()),this.match(h.parenR)||this.expect(h.comma);return this.eat(h.ellipsis)&&(e=this.flowParseFunctionTypeParam()),{params:t,rest:e}},i.flowIdentToTypeAnnotation=function(t,e,s,i){switch(i.name){case"any":return this.finishNode(s,"AnyTypeAnnotation");case"void":return this.finishNode(s,"VoidTypeAnnotation");case"bool":case"boolean":return this.finishNode(s,"BooleanTypeAnnotation");case"mixed":return this.finishNode(s,"MixedTypeAnnotation");case"empty":return this.finishNode(s,"EmptyTypeAnnotation");case"number":return this.finishNode(s,"NumberTypeAnnotation");case"string":return this.finishNode(s,"StringTypeAnnotation");default:return this.flowParseGenericType(t,e,i)}},i.flowParsePrimaryType=function(){var t,e,s=this.state.start,i=this.state.startLoc,r=this.startNode(),a=!1,n=this.state.noAnonFunctionType;switch(this.state.type){case h.name:return this.flowIdentToTypeAnnotation(s,i,r,this.parseIdentifier());case h.braceL:return this.flowParseObjectType(!1,!1,!0);case h.braceBarL:return this.flowParseObjectType(!1,!0,!0);case h.bracketL:return this.flowParseTupleType();case h.relational:if("<"===this.state.value)return r.typeParameters=this.flowParseTypeParameterDeclaration(),this.expect(h.parenL),t=this.flowParseFunctionTypeParams(),r.params=t.params,r.rest=t.rest,this.expect(h.parenR),this.expect(h.arrow),r.returnType=this.flowParseType(),this.finishNode(r,"FunctionTypeAnnotation");break;case h.parenL:if(this.next(),!this.match(h.parenR)&&!this.match(h.ellipsis))if(this.match(h.name)){var o=this.lookahead().type;a=o!==h.question&&o!==h.colon}else a=!0;if(a){if(this.state.noAnonFunctionType=!1,e=this.flowParseType(),this.state.noAnonFunctionType=n,this.state.noAnonFunctionType||!(this.match(h.comma)||this.match(h.parenR)&&this.lookahead().type===h.arrow))return this.expect(h.parenR),e;this.eat(h.comma)}return t=e?this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(e)]):this.flowParseFunctionTypeParams(),r.params=t.params,r.rest=t.rest,this.expect(h.parenR),this.expect(h.arrow),r.returnType=this.flowParseType(),r.typeParameters=null,this.finishNode(r,"FunctionTypeAnnotation");case h.string:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case h._true:case h._false:return r.value=this.match(h._true),this.next(),this.finishNode(r,"BooleanLiteralTypeAnnotation");case h.plusMin:if("-"===this.state.value)return this.next(),this.match(h.num)||this.unexpected(null,'Unexpected token, expected "number"'),this.parseLiteral(-this.state.value,"NumberLiteralTypeAnnotation",r.start,r.loc.start);this.unexpected();case h.num:return this.parseLiteral(this.state.value,"NumberLiteralTypeAnnotation");case h._null:return this.next(),this.finishNode(r,"NullLiteralTypeAnnotation");case h._this:return this.next(),this.finishNode(r,"ThisTypeAnnotation");case h.star:return this.next(),this.finishNode(r,"ExistsTypeAnnotation");default:if("typeof"===this.state.type.keyword)return this.flowParseTypeofType()}throw this.unexpected()},i.flowParsePostfixType=function(){for(var t=this.state.start,e=this.state.startLoc,s=this.flowParsePrimaryType();!this.canInsertSemicolon()&&this.match(h.bracketL);){var i=this.startNodeAt(t,e);i.elementType=s,this.expect(h.bracketL),this.expect(h.bracketR),s=this.finishNode(i,"ArrayTypeAnnotation")}return s},i.flowParsePrefixType=function(){var t=this.startNode();return this.eat(h.question)?(t.typeAnnotation=this.flowParsePrefixType(),this.finishNode(t,"NullableTypeAnnotation")):this.flowParsePostfixType()},i.flowParseAnonFunctionWithoutParens=function(){var t=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(h.arrow)){var e=this.startNodeAt(t.start,t.loc.start);return e.params=[this.reinterpretTypeAsFunctionTypeParam(t)],e.rest=null,e.returnType=this.flowParseType(),e.typeParameters=null,this.finishNode(e,"FunctionTypeAnnotation")}return t},i.flowParseIntersectionType=function(){var t=this.startNode();this.eat(h.bitwiseAND);var e=this.flowParseAnonFunctionWithoutParens();for(t.types=[e];this.eat(h.bitwiseAND);)t.types.push(this.flowParseAnonFunctionWithoutParens());return 1===t.types.length?e:this.finishNode(t,"IntersectionTypeAnnotation")},i.flowParseUnionType=function(){var t=this.startNode();this.eat(h.bitwiseOR);var e=this.flowParseIntersectionType();for(t.types=[e];this.eat(h.bitwiseOR);)t.types.push(this.flowParseIntersectionType());return 1===t.types.length?e:this.finishNode(t,"UnionTypeAnnotation")},i.flowParseType=function(){var t=this.state.inType;this.state.inType=!0;var e=this.flowParseUnionType();return this.state.inType=t,this.state.exprAllowed=this.state.exprAllowed||this.state.noAnonFunctionType,e},i.flowParseTypeAnnotation=function(){var t=this.startNode();return t.typeAnnotation=this.flowParseTypeInitialiser(),this.finishNode(t,"TypeAnnotation")},i.flowParseTypeAnnotatableIdentifier=function(t){var e=t?this.parseIdentifier():this.flowParseRestrictedIdentifier();return this.match(h.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(e,e.type)),e},i.typeCastToParameter=function(t){return t.expression.typeAnnotation=t.typeAnnotation,this.finishNodeAt(t.expression,t.expression.type,t.typeAnnotation.end,t.typeAnnotation.loc.end)},i.flowParseVariance=function(){var t=null;return this.match(h.plusMin)&&(t=this.startNode(),"+"===this.state.value?t.kind="plus":t.kind="minus",this.next(),this.finishNode(t,"Variance")),t},i.parseFunctionBody=function(e,s){var i=this;return s?this.forwardNoArrowParamsConversionAt(e,function(){return t.prototype.parseFunctionBody.call(i,e,!0)}):t.prototype.parseFunctionBody.call(this,e,!1)},i.parseFunctionBodyAndFinish=function(e,s,i){if(!i&&this.match(h.colon)){var r=this.startNode(),a=this.flowParseTypeAndPredicateInitialiser();r.typeAnnotation=a[0],e.predicate=a[1],e.returnType=r.typeAnnotation?this.finishNode(r,"TypeAnnotation"):null}t.prototype.parseFunctionBodyAndFinish.call(this,e,s,i)},i.parseStatement=function(e,s){if(this.state.strict&&this.match(h.name)&&"interface"===this.state.value){var i=this.startNode();return this.next(),this.flowParseInterface(i)}return t.prototype.parseStatement.call(this,e,s)},i.parseExpressionStatement=function(e,s){if("Identifier"===s.type)if("declare"===s.name){if(this.match(h._class)||this.match(h.name)||this.match(h._function)||this.match(h._var)||this.match(h._export))return this.flowParseDeclare(e)}else if(this.match(h.name)){if("interface"===s.name)return this.flowParseInterface(e);if("type"===s.name)return this.flowParseTypeAlias(e);if("opaque"===s.name)return this.flowParseOpaqueType(e,!1)}return t.prototype.parseExpressionStatement.call(this,e,s)},i.shouldParseExportDeclaration=function(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||t.prototype.shouldParseExportDeclaration.call(this)},i.isExportDefaultSpecifier=function(){return(!this.match(h.name)||"type"!==this.state.value&&"interface"!==this.state.value&&"opaque"!=this.state.value)&&t.prototype.isExportDefaultSpecifier.call(this)},i.parseConditional=function(e,s,i,r,a){var n=this;if(!this.match(h.question))return e;if(a){var o=this.state.clone();try{return t.prototype.parseConditional.call(this,e,s,i,r)}catch(t){if(t instanceof SyntaxError)return this.state=o,a.start=t.pos||this.state.start,e;throw t}}this.expect(h.question);var p=this.state.clone(),c=this.state.noArrowAt,l=this.startNodeAt(i,r),u=this.tryParseConditionalConsequent(),d=u.consequent,f=u.failed,m=this.getArrowLikeExpressions(d),y=m[0],x=m[1];if(f||x.length>0){var P=c.concat();if(x.length>0){this.state=p,this.state.noArrowAt=P;for(var v=0;v<x.length;v++)P.push(x[v].start);var g=this.tryParseConditionalConsequent();d=g.consequent,f=g.failed;var b=this.getArrowLikeExpressions(d);y=b[0],x=b[1]}if(f&&y.length>1&&this.raise(p.start,"Ambiguous expression: wrap the arrow functions in parentheses to disambiguate."),f&&1===y.length){this.state=p,this.state.noArrowAt=P.concat(y[0].start);var T=this.tryParseConditionalConsequent();d=T.consequent,f=T.failed}this.getArrowLikeExpressions(d,!0)}return this.state.noArrowAt=c,this.expect(h.colon),l.test=e,l.consequent=d,l.alternate=this.forwardNoArrowParamsConversionAt(l,function(){return n.parseMaybeAssign(s,void 0,void 0,void 0)}),this.finishNode(l,"ConditionalExpression")},i.tryParseConditionalConsequent=function(){this.state.noArrowParamsConversionAt.push(this.state.start);var t=this.parseMaybeAssign(),e=!this.match(h.colon);return this.state.noArrowParamsConversionAt.pop(),{consequent:t,failed:e}},i.getArrowLikeExpressions=function(e,s){for(var i=this,r=[e],a=[];0!==r.length;){var n=r.pop();"ArrowFunctionExpression"===n.type?(n.typeParameters||!n.returnType?(this.toAssignableList(n.params,!0,"arrow function parameters"),t.prototype.checkFunctionNameAndParams.call(this,n,!0)):a.push(n),r.push(n.body)):"ConditionalExpression"===n.type&&(r.push(n.consequent),r.push(n.alternate))}if(s){for(var o=0;o<a.length;o++)this.toAssignableList(e.params,!0,"arrow function parameters");return[a,[]]}return function(t,e){for(var s=[],i=[],r=0;r<t.length;r++)(e(t[r],r,t)?s:i).push(t[r]);return[s,i]}(a,function(t){try{return i.toAssignableList(t.params,!0,"arrow function parameters"),!0}catch(t){return!1}})},i.forwardNoArrowParamsConversionAt=function(t,e){var s;return-1!==this.state.noArrowParamsConversionAt.indexOf(t.start)?(this.state.noArrowParamsConversionAt.push(this.state.start),s=e(),this.state.noArrowParamsConversionAt.pop()):s=e(),s},i.parseParenItem=function(e,s,i){if(e=t.prototype.parseParenItem.call(this,e,s,i),this.eat(h.question)&&(e.optional=!0),this.match(h.colon)){var r=this.startNodeAt(s,i);return r.expression=e,r.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(r,"TypeCastExpression")}return e},i.assertModuleNodeAllowed=function(e){"ImportDeclaration"===e.type&&("type"===e.importKind||"typeof"===e.importKind)||"ExportNamedDeclaration"===e.type&&"type"===e.exportKind||"ExportAllDeclaration"===e.type&&"type"===e.exportKind||t.prototype.assertModuleNodeAllowed.call(this,e)},i.parseExport=function(e){return"ExportNamedDeclaration"!==(e=t.prototype.parseExport.call(this,e)).type&&"ExportAllDeclaration"!==e.type||(e.exportKind=e.exportKind||"value"),e},i.parseExportDeclaration=function(e){if(this.isContextual("type")){e.exportKind="type";var s=this.startNode();return this.next(),this.match(h.braceL)?(e.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(e),null):this.flowParseTypeAlias(s)}if(this.isContextual("opaque")){e.exportKind="type";var i=this.startNode();return this.next(),this.flowParseOpaqueType(i,!1)}if(this.isContextual("interface")){e.exportKind="type";var r=this.startNode();return this.next(),this.flowParseInterface(r)}return t.prototype.parseExportDeclaration.call(this,e)},i.shouldParseExportStar=function(){return t.prototype.shouldParseExportStar.call(this)||this.isContextual("type")&&this.lookahead().type===h.star},i.parseExportStar=function(e){return this.eatContextual("type")&&(e.exportKind="type"),t.prototype.parseExportStar.call(this,e)},i.parseExportNamespace=function(e){return"type"===e.exportKind&&this.unexpected(),t.prototype.parseExportNamespace.call(this,e)},i.parseClassId=function(e,s,i){t.prototype.parseClassId.call(this,e,s,i),this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration())},i.isKeyword=function(e){return(!this.state.inType||"void"!==e)&&t.prototype.isKeyword.call(this,e)},i.readToken=function(e){return!this.state.inType||62!==e&&60!==e?t.prototype.readToken.call(this,e):this.finishOp(h.relational,1)},i.toAssignable=function(e,s,i){return"TypeCastExpression"===e.type?t.prototype.toAssignable.call(this,this.typeCastToParameter(e),s,i):t.prototype.toAssignable.call(this,e,s,i)},i.toAssignableList=function(e,s,i){for(var r=0;r<e.length;r++){var a=e[r];a&&"TypeCastExpression"===a.type&&(e[r]=this.typeCastToParameter(a))}return t.prototype.toAssignableList.call(this,e,s,i)},i.toReferencedList=function(t){for(var e=0;e<t.length;e++){var s=t[e];s&&s._exprListItem&&"TypeCastExpression"===s.type&&this.raise(s.start,"Unexpected type cast")}return t},i.parseExprListItem=function(e,s,i){var r=this.startNode(),a=t.prototype.parseExprListItem.call(this,e,s,i);return this.match(h.colon)?(r._exprListItem=!0,r.expression=a,r.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(r,"TypeCastExpression")):a},i.checkLVal=function(e,s,i,r){if("TypeCastExpression"!==e.type)return t.prototype.checkLVal.call(this,e,s,i,r)},i.parseClassProperty=function(e){return this.match(h.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),t.prototype.parseClassProperty.call(this,e)},i.isClassMethod=function(){return this.isRelational("<")||t.prototype.isClassMethod.call(this)},i.isClassProperty=function(){return this.match(h.colon)||t.prototype.isClassProperty.call(this)},i.isNonstaticConstructor=function(e){return!this.match(h.colon)&&t.prototype.isNonstaticConstructor.call(this,e)},i.pushClassMethod=function(e,s,i,r,a){s.variance&&this.unexpected(s.variance.start),delete s.variance,this.isRelational("<")&&(s.typeParameters=this.flowParseTypeParameterDeclaration()),t.prototype.pushClassMethod.call(this,e,s,i,r,a)},i.pushClassPrivateMethod=function(e,s,i,r){s.variance&&this.unexpected(s.variance.start),delete s.variance,this.isRelational("<")&&(s.typeParameters=this.flowParseTypeParameterDeclaration()),t.prototype.pushClassPrivateMethod.call(this,e,s,i,r)},i.parseClassSuper=function(e){if(t.prototype.parseClassSuper.call(this,e),e.superClass&&this.isRelational("<")&&(e.superTypeParameters=this.flowParseTypeParameterInstantiation()),this.isContextual("implements")){this.next();var s=e.implements=[];do{var i=this.startNode();i.id=this.flowParseRestrictedIdentifier(!0),this.isRelational("<")?i.typeParameters=this.flowParseTypeParameterInstantiation():i.typeParameters=null,s.push(this.finishNode(i,"ClassImplements"))}while(this.eat(h.comma))}},i.parsePropertyName=function(e){var s=this.flowParseVariance(),i=t.prototype.parsePropertyName.call(this,e);return e.variance=s,i},i.parseObjPropValue=function(e,s,i,r,a,n,o){var p;e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(p=this.flowParseTypeParameterDeclaration(),this.match(h.parenL)||this.unexpected()),t.prototype.parseObjPropValue.call(this,e,s,i,r,a,n,o),p&&((e.value||e).typeParameters=p)},i.parseAssignableListItemTypes=function(t){if(this.eat(h.question)){if("Identifier"!==t.type)throw this.raise(t.start,"A binding pattern parameter cannot be optional in an implementation signature.");t.optional=!0}return this.match(h.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),this.finishNode(t,t.type),t},i.parseMaybeDefault=function(e,s,i){var r=t.prototype.parseMaybeDefault.call(this,e,s,i);return"AssignmentPattern"===r.type&&r.typeAnnotation&&r.right.start<r.typeAnnotation.start&&this.raise(r.typeAnnotation.start,"Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`"),r},i.shouldParseDefaultImport=function(e){return J(e)?H(this.state):t.prototype.shouldParseDefaultImport.call(this,e)},i.parseImportSpecifierLocal=function(t,e,s,i){e.local=J(t)?this.flowParseRestrictedIdentifier(!0):this.parseIdentifier(),this.checkLVal(e.local,!0,void 0,i),t.specifiers.push(this.finishNode(e,s))},i.parseImportSpecifiers=function(e){e.importKind="value";var s=null;if(this.match(h._typeof)?s="typeof":this.isContextual("type")&&(s="type"),s){var i=this.lookahead();(H(i)||i.type===h.braceL||i.type===h.star)&&(this.next(),e.importKind=s)}t.prototype.parseImportSpecifiers.call(this,e)},i.parseImportSpecifier=function(t){var e=this.startNode(),s=this.state.start,i=this.parseIdentifier(!0),r=null;"type"===i.name?r="type":"typeof"===i.name&&(r="typeof");var a=!1;if(this.isContextual("as")&&!this.isLookaheadContextual("as")){var n=this.parseIdentifier(!0);null===r||this.match(h.name)||this.state.type.keyword?(e.imported=i,e.importKind=null,e.local=this.parseIdentifier()):(e.imported=n,e.importKind=r,e.local=n.__clone())}else null!==r&&(this.match(h.name)||this.state.type.keyword)?(e.imported=this.parseIdentifier(!0),e.importKind=r,this.eatContextual("as")?e.local=this.parseIdentifier():(a=!0,e.local=e.imported.__clone())):(a=!0,e.imported=i,e.importKind=null,e.local=e.imported.__clone());var o=J(t),p=J(e);o&&p&&this.raise(s,"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"),(o||p)&&this.checkReservedType(e.local.name,e.local.start),!a||o||p||this.checkReservedWord(e.local.name,e.start,!0,!0),this.checkLVal(e.local,!0,void 0,"import specifier"),t.specifiers.push(this.finishNode(e,"ImportSpecifier"))},i.parseFunctionParams=function(e){var s=e.kind;"get"!==s&&"set"!==s&&this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),t.prototype.parseFunctionParams.call(this,e)},i.parseVarHead=function(e){t.prototype.parseVarHead.call(this,e),this.match(h.colon)&&(e.id.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(e.id,e.id.type))},i.parseAsyncArrowFromCallExpression=function(e,s){if(this.match(h.colon)){var i=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0,e.returnType=this.flowParseTypeAnnotation(),this.state.noAnonFunctionType=i}return t.prototype.parseAsyncArrowFromCallExpression.call(this,e,s)},i.shouldParseAsyncArrow=function(){return this.match(h.colon)||t.prototype.shouldParseAsyncArrow.call(this)},i.parseMaybeAssign=function(e,s,i,r){var a=this,n=null;if(h.jsxTagStart&&this.match(h.jsxTagStart)){var o=this.state.clone();try{return t.prototype.parseMaybeAssign.call(this,e,s,i,r)}catch(t){if(!(t instanceof SyntaxError))throw t;this.state=o,this.state.context.length-=2,n=t}}if(null!=n||this.isRelational("<")){var p,c;try{c=this.flowParseTypeParameterDeclaration(),(p=this.forwardNoArrowParamsConversionAt(c,function(){return t.prototype.parseMaybeAssign.call(a,e,s,i,r)})).typeParameters=c,this.resetStartLocationFromNode(p,c)}catch(t){throw n||t}if("ArrowFunctionExpression"===p.type)return p;if(null!=n)throw n;this.raise(c.start,"Expected an arrow function after this type parameter declaration")}return t.prototype.parseMaybeAssign.call(this,e,s,i,r)},i.parseArrow=function(e){if(this.match(h.colon)){var s=this.state.clone();try{var i=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0;var r=this.startNode(),a=this.flowParseTypeAndPredicateInitialiser();r.typeAnnotation=a[0],e.predicate=a[1],this.state.noAnonFunctionType=i,this.canInsertSemicolon()&&this.unexpected(),this.match(h.arrow)||this.unexpected(),e.returnType=r.typeAnnotation?this.finishNode(r,"TypeAnnotation"):null}catch(t){if(!(t instanceof SyntaxError))throw t;this.state=s}}return t.prototype.parseArrow.call(this,e)},i.shouldParseArrow=function(){return this.match(h.colon)||t.prototype.shouldParseArrow.call(this)},i.setArrowFunctionParameters=function(e,s){-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?e.params=s:t.prototype.setArrowFunctionParameters.call(this,e,s)},i.checkFunctionNameAndParams=function(e,s){if(!s||-1===this.state.noArrowParamsConversionAt.indexOf(e.start))return t.prototype.checkFunctionNameAndParams.call(this,e,s)},i.parseParenAndDistinguishExpression=function(e){return t.prototype.parseParenAndDistinguishExpression.call(this,e&&-1===this.state.noArrowAt.indexOf(this.state.start))},i.parseSubscripts=function(e,s,i,r){if("Identifier"===e.type&&"async"===e.name&&-1!==this.state.noArrowAt.indexOf(s)){this.next();var a=this.startNodeAt(s,i);a.callee=e,a.arguments=this.parseCallExpressionArguments(h.parenR,!1),e=this.finishNode(a,"CallExpression")}else if("Identifier"===e.type&&"async"===e.name&&this.isRelational("<")){var n,o=this.state.clone();try{var p=this.parseAsyncArrowWithTypeParameters(s,i);if(p)return p}catch(t){n=t}this.state=o;try{return t.prototype.parseSubscripts.call(this,e,s,i,r)}catch(t){throw n||t}}return t.prototype.parseSubscripts.call(this,e,s,i,r)},i.parseAsyncArrowWithTypeParameters=function(t,e){var s=this.startNodeAt(t,e);if(this.parseFunctionParams(s),this.parseArrow(s))return this.parseArrowExpression(s,void 0,!0)},e}(t)},K.jsx=function(t){return function(t){function e(){return t.apply(this,arguments)||this}s(e,t);var i=e.prototype;return i.jsxReadToken=function(){for(var t="",e=this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated JSX contents");var s=this.input.charCodeAt(this.state.pos);switch(s){case 60:case 123:return this.state.pos===this.state.start?60===s&&this.state.exprAllowed?(++this.state.pos,this.finishToken(h.jsxTagStart)):this.getTokenFromCode(s):(t+=this.input.slice(e,this.state.pos),this.finishToken(h.jsxText,t));case 38:t+=this.input.slice(e,this.state.pos),t+=this.jsxReadEntity(),e=this.state.pos;break;default:A(s)?(t+=this.input.slice(e,this.state.pos),t+=this.jsxReadNewLine(!0),e=this.state.pos):++this.state.pos}}},i.jsxReadNewLine=function(t){var e,s=this.input.charCodeAt(this.state.pos);return++this.state.pos,13===s&&10===this.input.charCodeAt(this.state.pos)?(++this.state.pos,e=t?"\n":"\r\n"):e=String.fromCharCode(s),++this.state.curLine,this.state.lineStart=this.state.pos,e},i.jsxReadString=function(t){for(var e="",s=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var i=this.input.charCodeAt(this.state.pos);if(i===t)break;38===i?(e+=this.input.slice(s,this.state.pos),e+=this.jsxReadEntity(),s=this.state.pos):A(i)?(e+=this.input.slice(s,this.state.pos),e+=this.jsxReadNewLine(!1),s=this.state.pos):++this.state.pos}return e+=this.input.slice(s,this.state.pos++),this.finishToken(h.string,e)},i.jsxReadEntity=function(){for(var t,e="",s=0,i=this.input[this.state.pos],r=++this.state.pos;this.state.pos<this.input.length&&s++<10;){if(";"===(i=this.input[this.state.pos++])){"#"===e[0]?"x"===e[1]?(e=e.substr(2),Q.test(e)&&(t=String.fromCodePoint(parseInt(e,16)))):(e=e.substr(1),Y.test(e)&&(t=String.fromCodePoint(parseInt(e,10)))):t=z[e];break}e+=i}return t||(this.state.pos=r,"&")},i.jsxReadWord=function(){var t,e=this.state.pos;do{t=this.input.charCodeAt(++this.state.pos)}while(b(t)||45===t);return this.finishToken(h.jsxName,this.input.slice(e,this.state.pos))},i.jsxParseIdentifier=function(){var t=this.startNode();return this.match(h.jsxName)?t.name=this.state.value:this.state.type.keyword?t.name=this.state.type.keyword:this.unexpected(),this.next(),this.finishNode(t,"JSXIdentifier")},i.jsxParseNamespacedName=function(){var t=this.state.start,e=this.state.startLoc,s=this.jsxParseIdentifier();if(!this.eat(h.colon))return s;var i=this.startNodeAt(t,e);return i.namespace=s,i.name=this.jsxParseIdentifier(),this.finishNode(i,"JSXNamespacedName")},i.jsxParseElementName=function(){for(var t=this.state.start,e=this.state.startLoc,s=this.jsxParseNamespacedName();this.eat(h.dot);){var i=this.startNodeAt(t,e);i.object=s,i.property=this.jsxParseIdentifier(),s=this.finishNode(i,"JSXMemberExpression")}return s},i.jsxParseAttributeValue=function(){var t;switch(this.state.type){case h.braceL:if("JSXEmptyExpression"===(t=this.jsxParseExpressionContainer()).expression.type)throw this.raise(t.start,"JSX attributes must only be assigned a non-empty expression");return t;case h.jsxTagStart:case h.string:return this.parseExprAtom();default:throw this.raise(this.state.start,"JSX value should be either an expression or a quoted JSX text")}},i.jsxParseEmptyExpression=function(){var t=this.startNodeAt(this.state.lastTokEnd,this.state.lastTokEndLoc);return this.finishNodeAt(t,"JSXEmptyExpression",this.state.start,this.state.startLoc)},i.jsxParseSpreadChild=function(){var t=this.startNode();return this.expect(h.braceL),this.expect(h.ellipsis),t.expression=this.parseExpression(),this.expect(h.braceR),this.finishNode(t,"JSXSpreadChild")},i.jsxParseExpressionContainer=function(){var t=this.startNode();return this.next(),this.match(h.braceR)?t.expression=this.jsxParseEmptyExpression():t.expression=this.parseExpression(),this.expect(h.braceR),this.finishNode(t,"JSXExpressionContainer")},i.jsxParseAttribute=function(){var t=this.startNode();return this.eat(h.braceL)?(this.expect(h.ellipsis),t.argument=this.parseMaybeAssign(),this.expect(h.braceR),this.finishNode(t,"JSXSpreadAttribute")):(t.name=this.jsxParseNamespacedName(),t.value=this.eat(h.eq)?this.jsxParseAttributeValue():null,this.finishNode(t,"JSXAttribute"))},i.jsxParseOpeningElementAt=function(t,e){var s=this.startNodeAt(t,e);if(this.match(h.jsxTagEnd))return this.expect(h.jsxTagEnd),this.finishNode(s,"JSXOpeningFragment");for(s.attributes=[],s.name=this.jsxParseElementName();!this.match(h.slash)&&!this.match(h.jsxTagEnd);)s.attributes.push(this.jsxParseAttribute());return s.selfClosing=this.eat(h.slash),this.expect(h.jsxTagEnd),this.finishNode(s,"JSXOpeningElement")},i.jsxParseClosingElementAt=function(t,e){var s=this.startNodeAt(t,e);return this.match(h.jsxTagEnd)?(this.expect(h.jsxTagEnd),this.finishNode(s,"JSXClosingFragment")):(s.name=this.jsxParseElementName(),this.expect(h.jsxTagEnd),this.finishNode(s,"JSXClosingElement"))},i.jsxParseElementAt=function(t,e){var s=this.startNodeAt(t,e),i=[],r=this.jsxParseOpeningElementAt(t,e),a=null;if(!r.selfClosing){t:for(;;)switch(this.state.type){case h.jsxTagStart:if(t=this.state.start,e=this.state.startLoc,this.next(),this.eat(h.slash)){a=this.jsxParseClosingElementAt(t,e);break t}i.push(this.jsxParseElementAt(t,e));break;case h.jsxText:i.push(this.parseExprAtom());break;case h.braceL:this.lookahead().type===h.ellipsis?i.push(this.jsxParseSpreadChild()):i.push(this.jsxParseExpressionContainer());break;default:throw this.unexpected()}Z(r)&&!Z(a)?this.raise(a.start,"Expected corresponding JSX closing tag for <>"):!Z(r)&&Z(a)?this.raise(a.start,"Expected corresponding JSX closing tag for <"+tt(r.name)+">"):Z(r)||Z(a)||tt(a.name)!==tt(r.name)&&this.raise(a.start,"Expected corresponding JSX closing tag for <"+tt(r.name)+">")}return Z(r)?(s.openingFragment=r,s.closingFragment=a):(s.openingElement=r,s.closingElement=a),s.children=i,this.match(h.relational)&&"<"===this.state.value&&this.raise(this.state.start,"Adjacent JSX elements must be wrapped in an enclosing tag"),Z(r)?this.finishNode(s,"JSXFragment"):this.finishNode(s,"JSXElement")},i.jsxParseElement=function(){var t=this.state.start,e=this.state.startLoc;return this.next(),this.jsxParseElementAt(t,e)},i.parseExprAtom=function(e){return this.match(h.jsxText)?this.parseLiteral(this.state.value,"JSXText"):this.match(h.jsxTagStart)?this.jsxParseElement():t.prototype.parseExprAtom.call(this,e)},i.readToken=function(e){if(this.state.inPropertyName)return t.prototype.readToken.call(this,e);var s=this.curContext();if(s===E.j_expr)return this.jsxReadToken();if(s===E.j_oTag||s===E.j_cTag){if(g(e))return this.jsxReadWord();if(62===e)return++this.state.pos,this.finishToken(h.jsxTagEnd);if((34===e||39===e)&&s===E.j_oTag)return this.jsxReadString(e)}return 60===e&&this.state.exprAllowed?(++this.state.pos,this.finishToken(h.jsxTagStart)):t.prototype.readToken.call(this,e)},i.updateContext=function(e){if(this.match(h.braceL)){var s=this.curContext();s===E.j_oTag?this.state.context.push(E.braceExpression):s===E.j_expr?this.state.context.push(E.templateQuasi):t.prototype.updateContext.call(this,e),this.state.exprAllowed=!0}else{if(!this.match(h.slash)||e!==h.jsxTagStart)return t.prototype.updateContext.call(this,e);this.state.context.length-=2,this.state.context.push(E.j_cTag),this.state.exprAllowed=!1}},e}(t)},K.typescript=function(t){return function(t){function e(){return t.apply(this,arguments)||this}s(e,t);var i=e.prototype;return i.tsIsIdentifier=function(){return this.match(h.name)},i.tsNextTokenCanFollowModifier=function(){return this.next(),!(this.hasPrecedingLineBreak()||this.match(h.parenL)||this.match(h.colon)||this.match(h.eq)||this.match(h.question))},i.tsParseModifier=function(t){if(this.match(h.name)){var e=this.state.value;return-1!==t.indexOf(e)&&this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this))?e:void 0}},i.tsIsListTerminator=function(t){switch(t){case"EnumMembers":case"TypeMembers":return this.match(h.braceR);case"HeritageClauseElement":return this.match(h.braceL);case"TupleElementTypes":return this.match(h.bracketR);case"TypeParametersOrArguments":return this.isRelational(">")}throw new Error("Unreachable")},i.tsParseList=function(t,e){for(var s=[];!this.tsIsListTerminator(t);)s.push(e());return s},i.tsParseDelimitedList=function(t,e){return et(this.tsParseDelimitedListWorker(t,e,!0))},i.tsTryParseDelimitedList=function(t,e){return this.tsParseDelimitedListWorker(t,e,!1)},i.tsParseDelimitedListWorker=function(t,e,s){for(var i=[];!this.tsIsListTerminator(t);){var r=e();if(null==r)return;if(i.push(r),!this.eat(h.comma)){if(this.tsIsListTerminator(t))break;return void(s&&this.expect(h.comma))}}return i},i.tsParseBracketedList=function(t,e,s,i){i||(s?this.expect(h.bracketL):this.expectRelational("<"));var r=this.tsParseDelimitedList(t,e);return s?this.expect(h.bracketR):this.expectRelational(">"),r},i.tsParseEntityName=function(t){for(var e=this.parseIdentifier();this.eat(h.dot);){var s=this.startNodeAtNode(e);s.left=e,s.right=this.parseIdentifier(t),e=this.finishNode(s,"TSQualifiedName")}return e},i.tsParseTypeReference=function(){var t=this.startNode();return t.typeName=this.tsParseEntityName(!1),!this.hasPrecedingLineBreak()&&this.isRelational("<")&&(t.typeParameters=this.tsParseTypeArguments()),this.finishNode(t,"TSTypeReference")},i.tsParseThisTypePredicate=function(t){this.next();var e=this.startNode();return e.parameterName=t,e.typeAnnotation=this.tsParseTypeAnnotation(!1),this.finishNode(e,"TSTypePredicate")},i.tsParseThisTypeNode=function(){var t=this.startNode();return this.next(),this.finishNode(t,"TSThisType")},i.tsParseTypeQuery=function(){var t=this.startNode();return this.expect(h._typeof),t.exprName=this.tsParseEntityName(!0),this.finishNode(t,"TSTypeQuery")},i.tsParseTypeParameter=function(){var t=this.startNode();return t.name=this.parseIdentifierName(t.start),this.eat(h._extends)&&(t.constraint=this.tsParseType()),this.eat(h.eq)&&(t.default=this.tsParseType()),this.finishNode(t,"TSTypeParameter")},i.tsTryParseTypeParameters=function(){if(this.isRelational("<"))return this.tsParseTypeParameters()},i.tsParseTypeParameters=function(){var t=this.startNode();return this.isRelational("<")||this.match(h.jsxTagStart)?this.next():this.unexpected(),t.params=this.tsParseBracketedList("TypeParametersOrArguments",this.tsParseTypeParameter.bind(this),!1,!0),this.finishNode(t,"TSTypeParameterDeclaration")},i.tsFillSignature=function(t,e){var s=t===h.arrow;e.typeParameters=this.tsTryParseTypeParameters(),this.expect(h.parenL),e.parameters=this.tsParseBindingListForSignature(),s?e.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(t):this.match(t)&&(e.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(t))},i.tsParseBindingListForSignature=function(){var t=this;return this.parseBindingList(h.parenR).map(function(e){if("Identifier"!==e.type&&"RestElement"!==e.type)throw t.unexpected(e.start,"Name in a signature must be an Identifier.");return e})},i.tsParseTypeMemberSemicolon=function(){this.eat(h.comma)||this.semicolon()},i.tsParseSignatureMember=function(t){var e=this.startNode();return"TSConstructSignatureDeclaration"===t&&this.expect(h._new),this.tsFillSignature(h.colon,e),this.tsParseTypeMemberSemicolon(),this.finishNode(e,t)},i.tsIsUnambiguouslyIndexSignature=function(){return this.next(),this.eat(h.name)&&this.match(h.colon)},i.tsTryParseIndexSignature=function(t){if(this.match(h.bracketL)&&this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this))){this.expect(h.bracketL);var e=this.parseIdentifier();this.expect(h.colon),e.typeAnnotation=this.tsParseTypeAnnotation(!1),this.expect(h.bracketR),t.parameters=[e];var s=this.tsTryParseTypeAnnotation();return s&&(t.typeAnnotation=s),this.tsParseTypeMemberSemicolon(),this.finishNode(t,"TSIndexSignature")}},i.tsParsePropertyOrMethodSignature=function(t,e){this.parsePropertyName(t),this.eat(h.question)&&(t.optional=!0);var s=t;if(e||!this.match(h.parenL)&&!this.isRelational("<")){var i=s;e&&(i.readonly=!0);var r=this.tsTryParseTypeAnnotation();return r&&(i.typeAnnotation=r),this.tsParseTypeMemberSemicolon(),this.finishNode(i,"TSPropertySignature")}var a=s;return this.tsFillSignature(h.colon,a),this.tsParseTypeMemberSemicolon(),this.finishNode(a,"TSMethodSignature")},i.tsParseTypeMember=function(){if(this.match(h.parenL)||this.isRelational("<"))return this.tsParseSignatureMember("TSCallSignatureDeclaration");if(this.match(h._new)&&this.tsLookAhead(this.tsIsStartOfConstructSignature.bind(this)))return this.tsParseSignatureMember("TSConstructSignatureDeclaration");var t=this.startNode(),e=!!this.tsParseModifier(["readonly"]),s=this.tsTryParseIndexSignature(t);return s?(e&&(t.readonly=!0),s):this.tsParsePropertyOrMethodSignature(t,e)},i.tsIsStartOfConstructSignature=function(){return this.next(),this.match(h.parenL)||this.isRelational("<")},i.tsParseTypeLiteral=function(){var t=this.startNode();return t.members=this.tsParseObjectTypeMembers(),this.finishNode(t,"TSTypeLiteral")},i.tsParseObjectTypeMembers=function(){this.expect(h.braceL);var t=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));return this.expect(h.braceR),t},i.tsIsStartOfMappedType=function(){return this.next(),this.isContextual("readonly")&&this.next(),!!this.match(h.bracketL)&&(this.next(),!!this.tsIsIdentifier()&&(this.next(),this.match(h._in)))},i.tsParseMappedTypeParameter=function(){var t=this.startNode();return t.name=this.parseIdentifierName(t.start),this.expect(h._in),t.constraint=this.tsParseType(),this.finishNode(t,"TSTypeParameter")},i.tsParseMappedType=function(){var t=this.startNode();return this.expect(h.braceL),this.eatContextual("readonly")&&(t.readonly=!0),this.expect(h.bracketL),t.typeParameter=this.tsParseMappedTypeParameter(),this.expect(h.bracketR),this.eat(h.question)&&(t.optional=!0),t.typeAnnotation=this.tsTryParseType(),this.semicolon(),this.expect(h.braceR),this.finishNode(t,"TSMappedType")},i.tsParseTupleType=function(){var t=this.startNode();return t.elementTypes=this.tsParseBracketedList("TupleElementTypes",this.tsParseType.bind(this),!0,!1),this.finishNode(t,"TSTupleType")},i.tsParseParenthesizedType=function(){var t=this.startNode();return this.expect(h.parenL),t.typeAnnotation=this.tsParseType(),this.expect(h.parenR),this.finishNode(t,"TSParenthesizedType")},i.tsParseFunctionOrConstructorType=function(t){var e=this.startNode();return"TSConstructorType"===t&&this.expect(h._new),this.tsFillSignature(h.arrow,e),this.finishNode(e,t)},i.tsParseLiteralTypeNode=function(){var t=this,e=this.startNode();return e.literal=function(){switch(t.state.type){case h.num:return t.parseLiteral(t.state.value,"NumericLiteral");case h.string:return t.parseLiteral(t.state.value,"StringLiteral");case h._true:case h._false:return t.parseBooleanLiteral();default:throw t.unexpected()}}(),this.finishNode(e,"TSLiteralType")},i.tsParseNonArrayType=function(){switch(this.state.type){case h.name:case h._void:case h._null:var t=this.match(h._void)?"TSVoidKeyword":this.match(h._null)?"TSNullKeyword":function(t){switch(t){case"any":return"TSAnyKeyword";case"boolean":return"TSBooleanKeyword";case"never":return"TSNeverKeyword";case"number":return"TSNumberKeyword";case"object":return"TSObjectKeyword";case"string":return"TSStringKeyword";case"symbol":return"TSSymbolKeyword";case"undefined":return"TSUndefinedKeyword";default:return}}(this.state.value);if(void 0!==t&&this.lookahead().type!==h.dot){var e=this.startNode();return this.next(),this.finishNode(e,t)}return this.tsParseTypeReference();case h.string:case h.num:case h._true:case h._false:return this.tsParseLiteralTypeNode();case h.plusMin:if("-"===this.state.value){var s=this.startNode();if(this.next(),!this.match(h.num))throw this.unexpected();return s.literal=this.parseLiteral(-this.state.value,"NumericLiteral",s.start,s.loc.start),this.finishNode(s,"TSLiteralType")}break;case h._this:var i=this.tsParseThisTypeNode();return this.isContextual("is")&&!this.hasPrecedingLineBreak()?this.tsParseThisTypePredicate(i):i;case h._typeof:return this.tsParseTypeQuery();case h.braceL:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case h.bracketL:return this.tsParseTupleType();case h.parenL:return this.tsParseParenthesizedType()}throw this.unexpected()},i.tsParseArrayTypeOrHigher=function(){for(var t=this.tsParseNonArrayType();!this.hasPrecedingLineBreak()&&this.eat(h.bracketL);)if(this.match(h.bracketR)){var e=this.startNodeAtNode(t);e.elementType=t,this.expect(h.bracketR),t=this.finishNode(e,"TSArrayType")}else{var s=this.startNodeAtNode(t);s.objectType=t,s.indexType=this.tsParseType(),this.expect(h.bracketR),t=this.finishNode(s,"TSIndexedAccessType")}return t},i.tsParseTypeOperator=function(t){var e=this.startNode();return this.expectContextual(t),e.operator=t,e.typeAnnotation=this.tsParseTypeOperatorOrHigher(),this.finishNode(e,"TSTypeOperator")},i.tsParseTypeOperatorOrHigher=function(){return this.isContextual("keyof")?this.tsParseTypeOperator("keyof"):this.tsParseArrayTypeOrHigher()},i.tsParseUnionOrIntersectionType=function(t,e,s){this.eat(s);var i=e();if(this.match(s)){for(var r=[i];this.eat(s);)r.push(e());var a=this.startNodeAtNode(i);a.types=r,i=this.finishNode(a,t)}return i},i.tsParseIntersectionTypeOrHigher=function(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),h.bitwiseAND)},i.tsParseUnionTypeOrHigher=function(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),h.bitwiseOR)},i.tsIsStartOfFunctionType=function(){return!!this.isRelational("<")||this.match(h.parenL)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this))},i.tsSkipParameterStart=function(){return!(!this.match(h.name)&&!this.match(h._this)||(this.next(),0))},i.tsIsUnambiguouslyStartOfFunctionType=function(){if(this.next(),this.match(h.parenR)||this.match(h.ellipsis))return!0;if(this.tsSkipParameterStart()){if(this.match(h.colon)||this.match(h.comma)||this.match(h.question)||this.match(h.eq))return!0;if(this.match(h.parenR)&&(this.next(),this.match(h.arrow)))return!0}return!1},i.tsParseTypeOrTypePredicateAnnotation=function(t){var e=this.startNode();this.expect(t);var s=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!s)return this.tsParseTypeAnnotation(!1,e);var i=this.tsParseTypeAnnotation(!1),r=this.startNodeAtNode(s);return r.parameterName=s,r.typeAnnotation=i,e.typeAnnotation=this.finishNode(r,"TSTypePredicate"),this.finishNode(e,"TSTypeAnnotation")},i.tsTryParseTypeOrTypePredicateAnnotation=function(){return this.match(h.colon)?this.tsParseTypeOrTypePredicateAnnotation(h.colon):void 0},i.tsTryParseTypeAnnotation=function(){return this.match(h.colon)?this.tsParseTypeAnnotation():void 0},i.tsTryParseType=function(){return this.eat(h.colon)?this.tsParseType():void 0},i.tsParseTypePredicatePrefix=function(){var t=this.parseIdentifier();if(this.isContextual("is")&&!this.hasPrecedingLineBreak())return this.next(),t},i.tsParseTypeAnnotation=function(t,e){return void 0===t&&(t=!0),void 0===e&&(e=this.startNode()),t&&this.expect(h.colon),e.typeAnnotation=this.tsParseType(),this.finishNode(e,"TSTypeAnnotation")},i.tsParseType=function(){var t=this.state.inType;this.state.inType=!0;try{return this.tsIsStartOfFunctionType()?this.tsParseFunctionOrConstructorType("TSFunctionType"):this.match(h._new)?this.tsParseFunctionOrConstructorType("TSConstructorType"):this.tsParseUnionTypeOrHigher()}finally{this.state.inType=t}},i.tsParseTypeAssertion=function(){var t=this.startNode();return t.typeAnnotation=this.tsParseType(),this.expectRelational(">"),t.expression=this.parseMaybeUnary(),this.finishNode(t,"TSTypeAssertion")},i.tsTryParseTypeArgumentsInExpression=function(){var t=this;return this.tsTryParseAndCatch(function(){var e=t.startNode();t.expectRelational("<");var s=t.tsParseDelimitedList("TypeParametersOrArguments",t.tsParseType.bind(t));return t.expectRelational(">"),e.params=s,t.finishNode(e,"TSTypeParameterInstantiation"),t.expect(h.parenL),e})},i.tsParseHeritageClause=function(){return this.tsParseDelimitedList("HeritageClauseElement",this.tsParseExpressionWithTypeArguments.bind(this))},i.tsParseExpressionWithTypeArguments=function(){var t=this.startNode();return t.expression=this.tsParseEntityName(!1),this.isRelational("<")&&(t.typeParameters=this.tsParseTypeArguments()),this.finishNode(t,"TSExpressionWithTypeArguments")},i.tsParseInterfaceDeclaration=function(t){t.id=this.parseIdentifier(),t.typeParameters=this.tsTryParseTypeParameters(),this.eat(h._extends)&&(t.extends=this.tsParseHeritageClause());var e=this.startNode();return e.body=this.tsParseObjectTypeMembers(),t.body=this.finishNode(e,"TSInterfaceBody"),this.finishNode(t,"TSInterfaceDeclaration")},i.tsParseTypeAliasDeclaration=function(t){return t.id=this.parseIdentifier(),t.typeParameters=this.tsTryParseTypeParameters(),this.expect(h.eq),t.typeAnnotation=this.tsParseType(),this.semicolon(),this.finishNode(t,"TSTypeAliasDeclaration")},i.tsParseEnumMember=function(){var t=this.startNode();return t.id=this.match(h.string)?this.parseLiteral(this.state.value,"StringLiteral"):this.parseIdentifier(!0),this.eat(h.eq)&&(t.initializer=this.parseMaybeAssign()),this.finishNode(t,"TSEnumMember")},i.tsParseEnumDeclaration=function(t,e){return e&&(t.const=!0),t.id=this.parseIdentifier(),this.expect(h.braceL),t.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this)),this.expect(h.braceR),this.finishNode(t,"TSEnumDeclaration")},i.tsParseModuleBlock=function(){var t=this.startNode();return this.expect(h.braceL),this.parseBlockOrModuleBlockBody(t.body=[],void 0,!0,h.braceR),this.finishNode(t,"TSModuleBlock")},i.tsParseModuleOrNamespaceDeclaration=function(t){if(t.id=this.parseIdentifier(),this.eat(h.dot)){var e=this.startNode();this.tsParseModuleOrNamespaceDeclaration(e),t.body=e}else t.body=this.tsParseModuleBlock();return this.finishNode(t,"TSModuleDeclaration")},i.tsParseAmbientExternalModuleDeclaration=function(t){return this.isContextual("global")?(t.global=!0,t.id=this.parseIdentifier()):this.match(h.string)?t.id=this.parseExprAtom():this.unexpected(),this.match(h.braceL)?t.body=this.tsParseModuleBlock():this.semicolon(),this.finishNode(t,"TSModuleDeclaration")},i.tsParseImportEqualsDeclaration=function(t,e){return t.isExport=e||!1,t.id=this.parseIdentifier(),this.expect(h.eq),t.moduleReference=this.tsParseModuleReference(),this.semicolon(),this.finishNode(t,"TSImportEqualsDeclaration")},i.tsIsExternalModuleReference=function(){return this.isContextual("require")&&this.lookahead().type===h.parenL},i.tsParseModuleReference=function(){return this.tsIsExternalModuleReference()?this.tsParseExternalModuleReference():this.tsParseEntityName(!1)},i.tsParseExternalModuleReference=function(){var t=this.startNode();if(this.expectContextual("require"),this.expect(h.parenL),!this.match(h.string))throw this.unexpected();return t.expression=this.parseLiteral(this.state.value,"StringLiteral"),this.expect(h.parenR),this.finishNode(t,"TSExternalModuleReference")},i.tsLookAhead=function(t){var e=this.state.clone(),s=t();return this.state=e,s},i.tsTryParseAndCatch=function(t){var e=this.state.clone();try{return t()}catch(t){if(t instanceof SyntaxError)return void(this.state=e);throw t}},i.tsTryParse=function(t){var e=this.state.clone(),s=t();return void 0!==s&&!1!==s?s:void(this.state=e)},i.nodeWithSamePosition=function(t,e){var s=this.startNodeAtNode(t);return s.type=e,s.end=t.end,s.loc.end=t.loc.end,t.leadingComments&&(s.leadingComments=t.leadingComments),t.trailingComments&&(s.trailingComments=t.trailingComments),t.innerComments&&(s.innerComments=t.innerComments),s},i.tsTryParseDeclare=function(t){switch(this.state.type){case h._function:return this.next(),this.parseFunction(t,!0);case h._class:return this.parseClass(t,!0,!1);case h._const:if(this.match(h._const)&&this.isLookaheadContextual("enum"))return this.expect(h._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(t,!0);case h._var:case h._let:return this.parseVarStatement(t,this.state.type);case h.name:var e=this.state.value;return"global"===e?this.tsParseAmbientExternalModuleDeclaration(t):this.tsParseDeclaration(t,e,!0)}},i.tsTryParseExportDeclaration=function(){return this.tsParseDeclaration(this.startNode(),this.state.value,!0)},i.tsParseExpressionStatement=function(t,e){switch(e.name){case"declare":var s=this.tsTryParseDeclare(t);if(s)return s.declare=!0,s;break;case"global":if(this.match(h.braceL)){var i=t;return i.global=!0,i.id=e,i.body=this.tsParseModuleBlock(),this.finishNode(i,"TSModuleDeclaration")}break;default:return this.tsParseDeclaration(t,e.name,!1)}},i.tsParseDeclaration=function(t,e,s){switch(e){case"abstract":if(s||this.match(h._class)){var i=t;return i.abstract=!0,s&&this.next(),this.parseClass(i,!0,!1)}break;case"enum":if(s||this.match(h.name))return s&&this.next(),this.tsParseEnumDeclaration(t,!1);break;case"interface":if(s||this.match(h.name))return s&&this.next(),this.tsParseInterfaceDeclaration(t);break;case"module":if(s&&this.next(),this.match(h.string))return this.tsParseAmbientExternalModuleDeclaration(t);if(s||this.match(h.name))return this.tsParseModuleOrNamespaceDeclaration(t);break;case"namespace":if(s||this.match(h.name))return s&&this.next(),this.tsParseModuleOrNamespaceDeclaration(t);break;case"type":if(s||this.match(h.name))return s&&this.next(),this.tsParseTypeAliasDeclaration(t)}},i.tsTryParseGenericAsyncArrowFunction=function(e,s){var i=this,r=this.tsTryParseAndCatch(function(){var r=i.startNodeAt(e,s);return r.typeParameters=i.tsParseTypeParameters(),t.prototype.parseFunctionParams.call(i,r),r.returnType=i.tsTryParseTypeOrTypePredicateAnnotation(),i.expect(h.arrow),r});if(r)return r.id=null,r.generator=!1,r.expression=!0,r.async=!0,this.parseFunctionBody(r,!0),this.finishNode(r,"ArrowFunctionExpression")},i.tsParseTypeArguments=function(){var t=this.startNode();return this.expectRelational("<"),t.params=this.tsParseDelimitedList("TypeParametersOrArguments",this.tsParseType.bind(this)),this.expectRelational(">"),this.finishNode(t,"TSTypeParameterInstantiation")},i.tsIsDeclarationStart=function(){if(this.match(h.name))switch(this.state.value){case"abstract":case"declare":case"enum":case"interface":case"module":case"namespace":case"type":return!0}return!1},i.isExportDefaultSpecifier=function(){return!this.tsIsDeclarationStart()&&t.prototype.isExportDefaultSpecifier.call(this)},i.parseAssignableListItem=function(t,e){var s,i=!1;t&&(s=this.parseAccessModifier(),i=!!this.tsParseModifier(["readonly"]));var r=this.parseMaybeDefault();this.parseAssignableListItemTypes(r);var a=this.parseMaybeDefault(r.start,r.loc.start,r);if(s||i){var n=this.startNodeAtNode(a);if(e.length&&(n.decorators=e),s&&(n.accessibility=s),i&&(n.readonly=i),"Identifier"!==a.type&&"AssignmentPattern"!==a.type)throw this.raise(n.start,"A parameter property may not be declared using a binding pattern.");return n.parameter=a,this.finishNode(n,"TSParameterProperty")}return e.length&&(r.decorators=e),a},i.parseFunctionBodyAndFinish=function(e,s,i){!i&&this.match(h.colon)&&(e.returnType=this.tsParseTypeOrTypePredicateAnnotation(h.colon));var r="FunctionDeclaration"===s?"TSDeclareFunction":"ClassMethod"===s?"TSDeclareMethod":void 0;r&&!this.match(h.braceL)&&this.isLineTerminator()?this.finishNode(e,r):t.prototype.parseFunctionBodyAndFinish.call(this,e,s,i)},i.parseSubscript=function(e,s,i,r,a){if(this.eat(h.bang)){var n=this.startNodeAt(s,i);return n.expression=e,this.finishNode(n,"TSNonNullExpression")}if(!r&&this.isRelational("<")){if(this.atPossibleAsync(e)){var o=this.tsTryParseGenericAsyncArrowFunction(s,i);if(o)return o}var p=this.startNodeAt(s,i);p.callee=e;var c=this.tsTryParseTypeArgumentsInExpression();if(c)return p.arguments=this.parseCallExpressionArguments(h.parenR,!1),p.typeParameters=c,this.finishCallExpression(p)}return t.prototype.parseSubscript.call(this,e,s,i,r,a)},i.parseNewArguments=function(e){var s=this;if(this.isRelational("<")){var i=this.tsTryParseAndCatch(function(){var t=s.tsParseTypeArguments();return s.match(h.parenL)||s.unexpected(),t});i&&(e.typeParameters=i)}t.prototype.parseNewArguments.call(this,e)},i.parseExprOp=function(e,s,i,r,a){if(et(h._in.binop)>r&&!this.hasPrecedingLineBreak()&&this.eatContextual("as")){var n=this.startNodeAt(s,i);return n.expression=e,n.typeAnnotation=this.tsParseType(),this.finishNode(n,"TSAsExpression"),this.parseExprOp(n,s,i,r,a)}return t.prototype.parseExprOp.call(this,e,s,i,r,a)},i.checkReservedWord=function(t,e,s,i){},i.checkDuplicateExports=function(){},i.parseImport=function(e){return this.match(h.name)&&this.lookahead().type===h.eq?this.tsParseImportEqualsDeclaration(e):t.prototype.parseImport.call(this,e)},i.parseExport=function(e){if(this.match(h._import))return this.expect(h._import),this.tsParseImportEqualsDeclaration(e,!0);if(this.eat(h.eq)){var s=e;return s.expression=this.parseExpression(),this.semicolon(),this.finishNode(s,"TSExportAssignment")}if(this.eatContextual("as")){var i=e;return this.expectContextual("namespace"),i.id=this.parseIdentifier(),this.semicolon(),this.finishNode(i,"TSNamespaceExportDeclaration")}return t.prototype.parseExport.call(this,e)},i.parseStatementContent=function(e,s){if(this.state.type===h._const){var i=this.lookahead();if(i.type===h.name&&"enum"===i.value){var r=this.startNode();return this.expect(h._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(r,!0)}}return t.prototype.parseStatementContent.call(this,e,s)},i.parseAccessModifier=function(){return this.tsParseModifier(["public","protected","private"])},i.parseClassMember=function(e,s,i){var r=this.parseAccessModifier();r&&(s.accessibility=r),t.prototype.parseClassMember.call(this,e,s,i)},i.parseClassMemberWithIsStatic=function(e,s,i,r){var a=s,n=s,o=s,h=!1,p=!1;switch(this.tsParseModifier(["abstract","readonly"])){case"readonly":p=!0,h=!!this.tsParseModifier(["abstract"]);break;case"abstract":h=!0,p=!!this.tsParseModifier(["readonly"])}if(h&&(a.abstract=!0),p&&(o.readonly=!0),!h&&!r&&!a.accessibility){var c=this.tsTryParseIndexSignature(s);if(c)return void e.body.push(c)}if(p)return a.static=r,this.parseClassPropertyName(n),this.parsePostMemberNameModifiers(a),void this.pushClassProperty(e,n);t.prototype.parseClassMemberWithIsStatic.call(this,e,s,i,r)},i.parsePostMemberNameModifiers=function(t){this.eat(h.question)&&(t.optional=!0)},i.parseExpressionStatement=function(e,s){return("Identifier"===s.type?this.tsParseExpressionStatement(e,s):void 0)||t.prototype.parseExpressionStatement.call(this,e,s)},i.shouldParseExportDeclaration=function(){return!!this.tsIsDeclarationStart()||t.prototype.shouldParseExportDeclaration.call(this)},i.parseConditional=function(e,s,i,r,a){if(!a||!this.match(h.question))return t.prototype.parseConditional.call(this,e,s,i,r,a);var n=this.state.clone();try{return t.prototype.parseConditional.call(this,e,s,i,r)}catch(t){if(!(t instanceof SyntaxError))throw t;return this.state=n,a.start=t.pos||this.state.start,e}},i.parseParenItem=function(e,s,i){if(e=t.prototype.parseParenItem.call(this,e,s,i),this.eat(h.question)&&(e.optional=!0),this.match(h.colon)){var r=this.startNodeAt(s,i);return r.expression=e,r.typeAnnotation=this.tsParseTypeAnnotation(),this.finishNode(r,"TSTypeCastExpression")}return e},i.parseExportDeclaration=function(e){var s,i=this.eatContextual("declare");return this.match(h.name)&&(s=this.tsTryParseExportDeclaration()),s||(s=t.prototype.parseExportDeclaration.call(this,e)),s&&i&&(s.declare=!0),s},i.parseClassId=function(e,s,i){var r;if(s&&!i||!this.isContextual("implements")){(r=t.prototype.parseClassId).call.apply(r,[this].concat(Array.prototype.slice.call(arguments)));var a=this.tsTryParseTypeParameters();a&&(e.typeParameters=a)}},i.parseClassProperty=function(e){var s=this.tsTryParseTypeAnnotation();return s&&(e.typeAnnotation=s),t.prototype.parseClassProperty.call(this,e)},i.pushClassMethod=function(e,s,i,r,a){var n=this.tsTryParseTypeParameters();n&&(s.typeParameters=n),t.prototype.pushClassMethod.call(this,e,s,i,r,a)},i.pushClassPrivateMethod=function(e,s,i,r){var a=this.tsTryParseTypeParameters();a&&(s.typeParameters=a),t.prototype.pushClassPrivateMethod.call(this,e,s,i,r)},i.parseClassSuper=function(e){t.prototype.parseClassSuper.call(this,e),e.superClass&&this.isRelational("<")&&(e.superTypeParameters=this.tsParseTypeArguments()),this.eatContextual("implements")&&(e.implements=this.tsParseHeritageClause())},i.parseObjPropValue=function(e){var s;if(this.isRelational("<"))throw new Error("TODO");for(var i=arguments.length,r=new Array(i>1?i-1:0),a=1;a<i;a++)r[a-1]=arguments[a];(s=t.prototype.parseObjPropValue).call.apply(s,[this,e].concat(r))},i.parseFunctionParams=function(e,s){var i=this.tsTryParseTypeParameters();i&&(e.typeParameters=i),t.prototype.parseFunctionParams.call(this,e,s)},i.parseVarHead=function(e){t.prototype.parseVarHead.call(this,e);var s=this.tsTryParseTypeAnnotation();s&&(e.id.typeAnnotation=s,this.finishNode(e.id,e.id.type))},i.parseAsyncArrowFromCallExpression=function(e,s){return this.match(h.colon)&&(e.returnType=this.tsParseTypeAnnotation()),t.prototype.parseAsyncArrowFromCallExpression.call(this,e,s)},i.parseMaybeAssign=function(){for(var e,s,i,r,a=arguments.length,n=new Array(a),o=0;o<a;o++)n[o]=arguments[o];if(this.match(h.jsxTagStart)){st(this.curContext()===E.j_oTag),st(this.state.context[this.state.context.length-2]===E.j_expr);var p=this.state.clone();try{var c;return(c=t.prototype.parseMaybeAssign).call.apply(c,[this].concat(n))}catch(t){if(!(t instanceof SyntaxError))throw t;this.state=p,st(this.curContext()===E.j_oTag),this.state.context.pop(),st(this.curContext()===E.j_expr),this.state.context.pop(),e=t}}if(void 0===e&&!this.isRelational("<"))return(s=t.prototype.parseMaybeAssign).call.apply(s,[this].concat(n));var l=this.state.clone();try{var u;r=this.tsParseTypeParameters(),"ArrowFunctionExpression"!==(i=(u=t.prototype.parseMaybeAssign).call.apply(u,[this].concat(n))).type&&this.unexpected()}catch(s){var d;if(!(s instanceof SyntaxError))throw s;if(e)throw e;return st(!this.hasPlugin("jsx")),this.state=l,(d=t.prototype.parseMaybeAssign).call.apply(d,[this].concat(n))}return r&&0!==r.params.length&&this.resetStartLocationFromNode(i,r.params[0]),i.typeParameters=r,i},i.parseMaybeUnary=function(e){return!this.hasPlugin("jsx")&&this.eatRelational("<")?this.tsParseTypeAssertion():t.prototype.parseMaybeUnary.call(this,e)},i.parseArrow=function(e){if(this.match(h.colon)){var s=this.state.clone();try{var i=this.tsParseTypeOrTypePredicateAnnotation(h.colon);this.canInsertSemicolon()&&this.unexpected(),this.match(h.arrow)||this.unexpected(),e.returnType=i}catch(t){if(!(t instanceof SyntaxError))throw t;this.state=s}}return t.prototype.parseArrow.call(this,e)},i.parseAssignableListItemTypes=function(t){if(this.eat(h.question)){if("Identifier"!==t.type)throw this.raise(t.start,"A binding pattern parameter cannot be optional in an implementation signature.");t.optional=!0}var e=this.tsTryParseTypeAnnotation();return e&&(t.typeAnnotation=e),this.finishNode(t,t.type)},i.toAssignable=function(e,s,i){switch(e.type){case"TSTypeCastExpression":return t.prototype.toAssignable.call(this,this.typeCastToParameter(e),s,i);case"TSParameterProperty":default:return t.prototype.toAssignable.call(this,e,s,i)}},i.checkLVal=function(e,s,i,r){switch(e.type){case"TSTypeCastExpression":return;case"TSParameterProperty":return void this.checkLVal(e.parameter,s,i,"parameter property");default:return void t.prototype.checkLVal.call(this,e,s,i,r)}},i.parseBindingAtom=function(){switch(this.state.type){case h._this:return this.parseIdentifier(!0);default:return t.prototype.parseBindingAtom.call(this)}},i.isClassMethod=function(){return this.isRelational("<")||t.prototype.isClassMethod.call(this)},i.isClassProperty=function(){return this.match(h.colon)||t.prototype.isClassProperty.call(this)},i.parseMaybeDefault=function(){for(var e,s=arguments.length,i=new Array(s),r=0;r<s;r++)i[r]=arguments[r];var a=(e=t.prototype.parseMaybeDefault).call.apply(e,[this].concat(i));return"AssignmentPattern"===a.type&&a.typeAnnotation&&a.right.start<a.typeAnnotation.start&&this.raise(a.typeAnnotation.start,"Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`"),a},i.readToken=function(e){return!this.state.inType||62!==e&&60!==e?t.prototype.readToken.call(this,e):this.finishOp(h.relational,1)},i.toAssignableList=function(e,s,i){for(var r=0;r<e.length;r++){var a=e[r];a&&"TSTypeCastExpression"===a.type&&(e[r]=this.typeCastToParameter(a))}return t.prototype.toAssignableList.call(this,e,s,i)},i.typeCastToParameter=function(t){return t.expression.typeAnnotation=t.typeAnnotation,this.finishNodeAt(t.expression,t.expression.type,t.typeAnnotation.end,t.typeAnnotation.loc.end)},i.toReferencedList=function(t){for(var e=0;e<t.length;e++){var s=t[e];s&&s._exprListItem&&"TsTypeCastExpression"===s.type&&this.raise(s.start,"Did not expect a type annotation here.")}return t},i.shouldParseArrow=function(){return this.match(h.colon)||t.prototype.shouldParseArrow.call(this)},i.shouldParseAsyncArrow=function(){return this.match(h.colon)||t.prototype.shouldParseAsyncArrow.call(this)},e}(t)};var rt={};e.parse=function(t,e){if(!e||"unambiguous"!==e.sourceType)return it(e,t).parse();e=Object.assign({},e);try{e.sourceType="module";var s=it(e,t).parse();return function(t){return t.program.body.some(function(t){return"ImportDeclaration"===t.type&&(!t.importKind||"value"===t.importKind)||"ExportNamedDeclaration"===t.type&&(!t.exportKind||"value"===t.exportKind)||"ExportAllDeclaration"===t.type&&(!t.exportKind||"value"===t.exportKind)||"ExportDefaultDeclaration"===t.type})}(s)||(s.program.sourceType="script"),s}catch(s){try{return e.sourceType="script",it(e,t).parse()}catch(t){}throw s}},e.parseExpression=function(t,e){var s=it(e,t);return s.options.strictMode&&(s.state.strict=!0),s.getExpression()},e.tokTypes=h});function parse(t,e,s){const i=lib,r={sourceType:"module",allowImportExportEverywhere:!0,allowReturnOutsideFunction:!0,plugins:["jsx","flow","doExpressions","objectRestSpread","decorators","classProperties","exportDefaultFrom","exportNamespaceFrom","asyncGenerators","functionBind","functionSent","dynamicImport","numericSeparator","importMeta","optionalCatchBinding","optionalChaining","classPrivateProperties","pipelineOperator","nullishCoalescingOperator"]},a=s&&"json"===s.parser?"parseExpression":"parse";let n;try{n=i[a](t,r)}catch(e){try{n=i[a](t,Object.assign({},r,{strictMode:!1}))}catch(t){throw parserCreateError(e.message.replace(/ \(.*\)/,""),{start:{line:e.loc.line,column:e.loc.column+1}})}}return delete n.tokens,n}unwrapExports(lib);var parserBabylon=parse;module.exports=parserBabylon;
|
