From 1dbefcbd83d793b53b26afa4bfe36638b4b751cb Mon Sep 17 00:00:00 2001 From: Dominic Gannaway Date: Thu, 21 Dec 2017 13:34:06 +0000 Subject: [PATCH] Adds more REPL options and updates bundle. Adds more REPL options, such as: "omitInvariants" and "reactOutput". "reactEnabled" and "omitInvariants" are now on by default. 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42===n&&(r++,n=this.input.charCodeAt(this.state.pos+2),t=I.exponent),61===n&&(r++,t=I.assign),this.finishOp(t,r)},e.prototype.readToken_pipe_amp=function(e){var t=this.input.charCodeAt(this.state.pos+1);return t===e?this.finishOp(124===e?I.logicalOR:I.logicalAND,2):61===t?this.finishOp(I.assign,2):124===e&&125===t&&this.hasPlugin("flow")?this.finishOp(I.braceBarR,2):this.finishOp(124===e?I.bitwiseOR:I.bitwiseAND,1)},e.prototype.readToken_caret=function(){return 61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(I.assign,2):this.finishOp(I.bitwiseXOR,1)},e.prototype.readToken_plus_min=function(e){var t=this.input.charCodeAt(this.state.pos+1);return t===e?45===t&&62===this.input.charCodeAt(this.state.pos+2)&&F.test(this.input.slice(this.state.lastTokEnd,this.state.pos))?(this.skipLineComment(3),this.skipSpace(),this.nextToken()):this.finishOp(I.incDec,2):61===t?this.finishOp(I.assign,2):this.finishOp(I.plusMin,1)},e.prototype.readToken_lt_gt=function(e){var t=this.input.charCodeAt(this.state.pos+1),r=1;return t===e?(r=62===e&&62===this.input.charCodeAt(this.state.pos+2)?3:2,61===this.input.charCodeAt(this.state.pos+r)?this.finishOp(I.assign,r+1):this.finishOp(I.bitShift,r)):33===t&&60===e&&45===this.input.charCodeAt(this.state.pos+2)&&45===this.input.charCodeAt(this.state.pos+3)?(this.inModule&&this.unexpected(),this.skipLineComment(4),this.skipSpace(),this.nextToken()):(61===t&&(r=2),this.finishOp(I.relational,r))},e.prototype.readToken_eq_excl=function(e){var t=this.input.charCodeAt(this.state.pos+1);return 61===t?this.finishOp(I.equality,61===this.input.charCodeAt(this.state.pos+2)?3:2):61===e&&62===t?(this.state.pos+=2,this.finishToken(I.arrow)):this.finishOp(61===e?I.eq:I.prefix,1)},e.prototype.getTokenFromCode=function(e){switch(e){case 46:return this.readToken_dot();case 40:return++this.state.pos,this.finishToken(I.parenL);case 41:return++this.state.pos,this.finishToken(I.parenR);case 59:return++this.state.pos,this.finishToken(I.semi);case 44:return++this.state.pos,this.finishToken(I.comma);case 91:return++this.state.pos,this.finishToken(I.bracketL);case 93:return++this.state.pos,this.finishToken(I.bracketR);case 123:return this.hasPlugin("flow")&&124===this.input.charCodeAt(this.state.pos+1)?this.finishOp(I.braceBarL,2):(++this.state.pos,this.finishToken(I.braceL));case 125:return++this.state.pos,this.finishToken(I.braceR);case 58:return this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(I.doubleColon,2):(++this.state.pos,this.finishToken(I.colon));case 63:return++this.state.pos,this.finishToken(I.question);case 64:return++this.state.pos,this.finishToken(I.at);case 96:return++this.state.pos,this.finishToken(I.backQuote);case 48:var t=this.input.charCodeAt(this.state.pos+1);if(120===t||88===t)return this.readRadixNumber(16);if(111===t||79===t)return this.readRadixNumber(8);if(98===t||66===t)return this.readRadixNumber(2);case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return this.readNumber(!1);case 34:case 39:return this.readString(e);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo(e);case 124:case 38:return this.readToken_pipe_amp(e);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(e);case 60:case 62:return this.readToken_lt_gt(e);case 61:case 33:return this.readToken_eq_excl(e);case 126:return this.finishOp(I.prefix,1)}this.raise(this.state.pos,"Unexpected character '"+c(e)+"'")},e.prototype.finishOp=function(e,t){var r=this.input.slice(this.state.pos,this.state.pos+t);return this.state.pos+=t,this.finishToken(e,r)},e.prototype.readRegexp=function(){for(var e=this.state.pos,t=void 0,r=void 0;;){this.state.pos>=this.input.length&&this.raise(e,"Unterminated regular expression");var n=this.input.charAt(this.state.pos);if(F.test(n)&&this.raise(e,"Unterminated regular expression"),t)t=!1;else{if("["===n)r=!0;else if("]"===n&&r)r=!1;else if("/"===n&&!r)break;t="\\"===n}++this.state.pos}var i=this.input.slice(e,this.state.pos);++this.state.pos;var a=this.readWord1();if(a){/^[gmsiyu]*$/.test(a)||this.raise(e,"Invalid regular expression flag")}return this.finishToken(I.regexp,{pattern:i,flags:a})},e.prototype.readInt=function(e,t){for(var r=this.state.pos,n=0,i=0,a=null==t?1/0:t;i=97?o-97+10:o>=65?o-65+10:o>=48&&o<=57?o-48:1/0)>=e)break;++this.state.pos,n=n*e+s}return this.state.pos===r||null!=t&&this.state.pos-r!==t?null:n},e.prototype.readRadixNumber=function(e){this.state.pos+=2;var t=this.readInt(e);return null==t&&this.raise(this.state.start+2,"Expected number in radix "+e),a(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number"),this.finishToken(I.num,t)},e.prototype.readNumber=function(e){var t=this.state.pos,r=48===this.input.charCodeAt(t),n=!1;e||null!==this.readInt(10)||this.raise(t,"Invalid number"),r&&this.state.pos==t+1&&(r=!1);var i=this.input.charCodeAt(this.state.pos);46!==i||r||(++this.state.pos,this.readInt(10),n=!0,i=this.input.charCodeAt(this.state.pos)),69!==i&&101!==i||r||(i=this.input.charCodeAt(++this.state.pos),43!==i&&45!==i||++this.state.pos,null===this.readInt(10)&&this.raise(t,"Invalid number"),n=!0),a(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number");var o=this.input.slice(t,this.state.pos),s=void 0;return n?s=parseFloat(o):r&&1!==o.length?this.state.strict?this.raise(t,"Invalid number"):s=/[89]/.test(o)?parseInt(o,10):parseInt(o,8):s=parseInt(o,10),this.finishToken(I.num,s)},e.prototype.readCodePoint=function(e){var t=this.input.charCodeAt(this.state.pos),r=void 0;if(123===t){var n=++this.state.pos;if(r=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,e),++this.state.pos,null===r)--this.state.invalidTemplateEscapePosition;else if(r>1114111){if(!e)return this.state.invalidTemplateEscapePosition=n-2,null;this.raise(n,"Code point out of bounds")}}else r=this.readHexChar(4,e);return r},e.prototype.readString=function(e){for(var t="",r=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var n=this.input.charCodeAt(this.state.pos);if(n===e)break;92===n?(t+=this.input.slice(r,this.state.pos),t+=this.readEscapedChar(!1),r=this.state.pos):(u(n)&&this.raise(this.state.start,"Unterminated string constant"),++this.state.pos)}return t+=this.input.slice(r,this.state.pos++),this.finishToken(I.string,t)},e.prototype.readTmplToken=function(){for(var e="",t=this.state.pos,r=!1;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated template");var n=this.input.charCodeAt(this.state.pos);if(96===n||36===n&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(I.template)?36===n?(this.state.pos+=2,this.finishToken(I.dollarBraceL)):(++this.state.pos,this.finishToken(I.backQuote)):(e+=this.input.slice(t,this.state.pos),this.finishToken(I.template,r?null:e));if(92===n){e+=this.input.slice(t,this.state.pos);var i=this.readEscapedChar(!0);null===i?r=!0:e+=i,t=this.state.pos}else if(u(n)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,n){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(n)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}},e.prototype.readEscapedChar=function(e){var t=!e,r=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,r){case 110:return"\n";case 114:return"\r";case 120:var n=this.readHexChar(2,t);return null===n?null:String.fromCharCode(n);case 117:var i=this.readCodePoint(t);return null===i?null:c(i);case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:return this.state.lineStart=this.state.pos,++this.state.curLine,"";default:if(r>=48&&r<=55){var a=this.state.pos-1,o=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],s=parseInt(o,8);if(s>255&&(o=o.slice(0,-1),s=parseInt(o,8)),s>0){if(e)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+=o.length-1,String.fromCharCode(s)}return String.fromCharCode(r)}},e.prototype.readHexChar=function(e,t){var r=this.state.pos,n=this.readInt(16,e);return null===n&&(t?this.raise(r,"Bad character escape sequence"):(this.state.pos=r-1,this.state.invalidTemplateEscapePosition=r-1)),n},e.prototype.readWord1=function(){this.state.containsEsc=!1;for(var e="",t=!0,r=this.state.pos;this.state.pos-1)||!!this.plugins[e]},t.prototype.extend=function(e,t){this[e]=t(this[e])},t.prototype.loadAllPlugins=function(){var e=this,t=Object.keys(q).filter(function(e){return"flow"!==e&&"estree"!==e});t.push("flow"),t.forEach(function(t){var r=q[t];r&&r(e)})},t.prototype.loadPlugins=function(e){if(e.indexOf("*")>=0)return this.loadAllPlugins(),{"*":!0};var t={};e.indexOf("flow")>=0&&(e=e.filter(function(e){return"flow"!==e}),e.push("flow")),e.indexOf("estree")>=0&&(e=e.filter(function(e){return"estree"!==e}),e.unshift("estree"));for(var r=e,n=Array.isArray(r),i=0,r=n?r:r[Symbol.iterator]();;){var a;if(n){if(i>=r.length)break;a=r[i++]}else{if(i=r.next(),i.done)break;a=i.value}var o=a;if(!t[o]){t[o]=!0;var s=q[o];s&&s(this)}}return t},t.prototype.parse=function(){var e=this.startNode(),t=this.startNode();return this.nextToken(),this.parseTopLevel(e,t)},t}(W),J=K.prototype;J.addExtra=function(e,t,r){if(e){(e.extra=e.extra||{})[t]=r}},J.isRelational=function(e){return this.match(I.relational)&&this.state.value===e},J.expectRelational=function(e){this.isRelational(e)?this.next():this.unexpected(null,I.relational)},J.isContextual=function(e){return this.match(I.name)&&this.state.value===e},J.eatContextual=function(e){return this.state.value===e&&this.eat(I.name)},J.expectContextual=function(e,t){this.eatContextual(e)||this.unexpected(null,t)},J.canInsertSemicolon=function(){return this.match(I.eof)||this.match(I.braceR)||F.test(this.input.slice(this.state.lastTokEnd,this.state.start))},J.isLineTerminator=function(){return this.eat(I.semi)||this.canInsertSemicolon()},J.semicolon=function(){this.isLineTerminator()||this.unexpected(null,I.semi)},J.expect=function(e,t){return this.eat(e)||this.unexpected(t,e)},J.unexpected=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"Unexpected token";t&&"object"===(void 0===t?"undefined":O(t))&&t.label&&(t="Unexpected token, expected "+t.label),this.raise(null!=e?e:this.state.start,t)};var Y=K.prototype;Y.parseTopLevel=function(e,t){return t.sourceType=this.options.sourceType,this.parseBlockBody(t,!0,!0,I.eof),e.program=this.finishNode(t,"Program"),e.comments=this.state.comments,e.tokens=this.state.tokens,this.finishNode(e,"File")};var X={kind:"loop"},Q={kind:"switch"};Y.stmtToDirective=function(e){var t=e.expression,r=this.startNodeAt(t.start,t.loc.start),n=this.startNodeAt(e.start,e.loc.start),i=this.input.slice(t.start,t.end),a=r.value=i.slice(1,-1);return this.addExtra(r,"raw",i),this.addExtra(r,"rawValue",a),n.value=this.finishNodeAt(r,"DirectiveLiteral",t.end,t.loc.end),this.finishNodeAt(n,"Directive",e.end,e.loc.end)},Y.parseStatement=function(e,t){this.match(I.at)&&this.parseDecorators(!0);var r=this.state.type,n=this.startNode();switch(r){case I._break:case I._continue:return this.parseBreakContinueStatement(n,r.keyword);case I._debugger:return this.parseDebuggerStatement(n);case I._do:return this.parseDoStatement(n);case I._for:return this.parseForStatement(n);case I._function:return e||this.unexpected(),this.parseFunctionStatement(n);case I._class:return e||this.unexpected(),this.parseClass(n,!0);case I._if:return this.parseIfStatement(n);case I._return:return this.parseReturnStatement(n);case I._switch:return this.parseSwitchStatement(n);case I._throw:return this.parseThrowStatement(n);case I._try:return this.parseTryStatement(n);case I._let:case I._const:e||this.unexpected();case I._var:return this.parseVarStatement(n,r);case I._while:return this.parseWhileStatement(n);case I._with:return this.parseWithStatement(n);case I.braceL:return this.parseBlock();case I.semi:return this.parseEmptyStatement(n);case I._export:case I._import:if(this.hasPlugin("dynamicImport")&&this.lookahead().type===I.parenL)break;return this.options.allowImportExportEverywhere||(t||this.raise(this.state.start,"'import' and 'export' may only appear at the top level"),this.inModule||this.raise(this.state.start,"'import' and 'export' may appear only with 'sourceType: \"module\"'")),r===I._import?this.parseImport(n):this.parseExport(n);case I.name:if("async"===this.state.value){var i=this.state.clone();if(this.next(),this.match(I._function)&&!this.canInsertSemicolon())return this.expect(I._function),this.parseFunction(n,!0,!1,!0);this.state=i}}var a=this.state.value,o=this.parseExpression();return r===I.name&&"Identifier"===o.type&&this.eat(I.colon)?this.parseLabeledStatement(n,a,o):this.parseExpressionStatement(n,o)},Y.takeDecorators=function(e){this.state.decorators.length&&(e.decorators=this.state.decorators,this.state.decorators=[])},Y.parseDecorators=function(e){for(;this.match(I.at);){var t=this.parseDecorator();this.state.decorators.push(t)}e&&this.match(I._export)||this.match(I._class)||this.raise(this.state.start,"Leading decorators must be attached to a class declaration")},Y.parseDecorator=function(){this.hasPlugin("decorators")||this.unexpected();var e=this.startNode();return this.next(),e.expression=this.parseMaybeAssign(),this.finishNode(e,"Decorator")},Y.parseBreakContinueStatement=function(e,t){var r="break"===t;this.next(),this.isLineTerminator()?e.label=null:this.match(I.name)?(e.label=this.parseIdentifier(),this.semicolon()):this.unexpected();var n=void 0;for(n=0;n=n.length)break;o=n[a++]}else{if(a=n.next(),a.done)break;o=a.value}o.name===t&&this.raise(r.start,"Label '"+t+"' is already declared")}for(var s=this.state.type.isLoop?"loop":this.match(I._switch)?"switch":null,u=this.state.labels.length-1;u>=0;u--){var l=this.state.labels[u];if(l.statementStart!==e.start)break;l.statementStart=this.state.start,l.kind=s}return this.state.labels.push({name:t,kind:s,statementStart:this.state.start}),e.body=this.parseStatement(!0),this.state.labels.pop(),e.label=r,this.finishNode(e,"LabeledStatement")},Y.parseExpressionStatement=function(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")},Y.parseBlock=function(e){var t=this.startNode();return this.expect(I.braceL),this.parseBlockBody(t,e,!1,I.braceR),this.finishNode(t,"BlockStatement")},Y.isValidDirective=function(e){return"ExpressionStatement"===e.type&&"StringLiteral"===e.expression.type&&!e.expression.extra.parenthesized},Y.parseBlockBody=function(e,t,r,n){e.body=[],e.directives=[];for(var i=!1,a=void 0,o=void 0;!this.eat(n);){i||!this.state.containsOctal||o||(o=this.state.octalPosition);var s=this.parseStatement(!0,r);if(t&&!i&&this.isValidDirective(s)){var u=this.stmtToDirective(s);e.directives.push(u),void 0===a&&"use strict"===u.value.value&&(a=this.state.strict,this.setStrict(!0),o&&this.raise(o,"Octal literal in strict 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n=this.startNode();if(this.parseVarHead(n),this.eat(I.eq)?n.init=this.parseMaybeAssign(t):r!==I._const||this.match(I._in)||this.isContextual("of")?"Identifier"===n.id.type||t&&(this.match(I._in)||this.isContextual("of"))?n.init=null:this.raise(this.state.lastTokEnd,"Complex binding patterns require an initialization value"):this.unexpected(),e.declarations.push(this.finishNode(n,"VariableDeclarator")),!this.eat(I.comma))break}return e},Y.parseVarHead=function(e){e.id=this.parseBindingAtom(),this.checkLVal(e.id,!0,void 0,"variable declaration")},Y.parseFunction=function(e,t,r,n,i){var a=this.state.inMethod;return this.state.inMethod=!1,this.initFunction(e,n),this.match(I.star)&&(e.async&&!this.hasPlugin("asyncGenerators")?this.unexpected():(e.generator=!0,this.next())),!t||i||this.match(I.name)||this.match(I._yield)||this.unexpected(),(this.match(I.name)||this.match(I._yield))&&(e.id=this.parseBindingIdentifier()),this.parseFunctionParams(e),this.parseFunctionBody(e,r),this.state.inMethod=a,this.finishNode(e,t?"FunctionDeclaration":"FunctionExpression")},Y.parseFunctionParams=function(e){this.expect(I.parenL),e.params=this.parseBindingList(I.parenR)},Y.parseClass=function(e,t,r){return this.next(),this.takeDecorators(e),this.parseClassId(e,t,r),this.parseClassSuper(e),this.parseClassBody(e),this.finishNode(e,t?"ClassDeclaration":"ClassExpression")},Y.isClassProperty=function(){return this.match(I.eq)||this.match(I.semi)||this.match(I.braceR)},Y.isClassMethod=function(){return this.match(I.parenL)},Y.isNonstaticConstructor=function(e){return!(e.computed||e.static||"constructor"!==e.key.name&&"constructor"!==e.key.value)},Y.parseClassBody=function(e){var t=this.state.strict;this.state.strict=!0;var r=!1,n=!1,i=[],a=this.startNode();for(a.body=[],this.expect(I.braceL);!this.eat(I.braceR);)if(this.eat(I.semi))i.length>0&&this.raise(this.state.lastTokEnd,"Decorators must not be followed by a semicolon");else if(this.match(I.at))i.push(this.parseDecorator());else{var o=this.startNode();if(i.length&&(o.decorators=i,i=[]),o.static=!1,this.match(I.name)&&"static"===this.state.value){var s=this.parseIdentifier(!0);if(this.isClassMethod()){o.kind="method",o.computed=!1,o.key=s,this.parseClassMethod(a,o,!1,!1);continue}if(this.isClassProperty()){o.computed=!1,o.key=s,a.body.push(this.parseClassProperty(o));continue}o.static=!0}if(this.eat(I.star))o.kind="method",this.parsePropertyName(o),this.isNonstaticConstructor(o)&&this.raise(o.key.start,"Constructor can't be a 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class"),r=this.startNode(),this.next(),this.match(I.parenL)||this.match(I.bracketL)||this.match(I.dot)||this.unexpected(),this.match(I.parenL)&&"constructor"!==this.state.inMethod&&!this.options.allowSuperOutsideMethod&&this.raise(r.start,"super() outside of class constructor"),this.finishNode(r,"Super");case I._import:return this.hasPlugin("dynamicImport")||this.unexpected(),r=this.startNode(),this.next(),this.match(I.parenL)||this.unexpected(null,I.parenL),this.finishNode(r,"Import");case I._this:return r=this.startNode(),this.next(),this.finishNode(r,"ThisExpression");case I._yield:this.state.inGenerator&&this.unexpected();case I.name:r=this.startNode();var n="await"===this.state.value&&this.state.inAsync,i=this.shouldAllowYieldIdentifier(),a=this.parseIdentifier(n||i);if("await"===a.name){if(this.state.inAsync||this.inModule)return this.parseAwait(r)}else{if("async"===a.name&&this.match(I._function)&&!this.canInsertSemicolon())return this.next(),this.parseFunction(r,!1,!1,!0);if(t&&"async"===a.name&&this.match(I.name)){var o=[this.parseIdentifier()];return this.expect(I.arrow),this.parseArrowExpression(r,o,!0)}}return t&&!this.canInsertSemicolon()&&this.eat(I.arrow)?this.parseArrowExpression(r,[a]):a;case I._do:if(this.hasPlugin("doExpressions")){var s=this.startNode();this.next();var u=this.state.inFunction,l=this.state.labels;return this.state.labels=[],this.state.inFunction=!1,s.body=this.parseBlock(!1,!0),this.state.inFunction=u,this.state.labels=l,this.finishNode(s,"DoExpression")}case I.regexp:var c=this.state.value;return r=this.parseLiteral(c.value,"RegExpLiteral"),r.pattern=c.pattern,r.flags=c.flags,r;case I.num:return this.parseLiteral(this.state.value,"NumericLiteral");case I.string:return this.parseLiteral(this.state.value,"StringLiteral");case I._null:return r=this.startNode(),this.next(),this.finishNode(r,"NullLiteral");case I._true:case I._false:return r=this.startNode(),r.value=this.match(I._true),this.next(),this.finishNode(r,"BooleanLiteral");case I.parenL:return this.parseParenAndDistinguishExpression(null,null,t);case I.bracketL:return r=this.startNode(),this.next(),r.elements=this.parseExprList(I.bracketR,!0,e),this.toReferencedList(r.elements),this.finishNode(r,"ArrayExpression");case I.braceL:return this.parseObj(!1,e);case I._function:return this.parseFunctionExpression();case I.at:this.parseDecorators();case I._class:return r=this.startNode(),this.takeDecorators(r),this.parseClass(r,!1);case I._new:return this.parseNew();case I.backQuote:return this.parseTemplate(!1);case I.doubleColon:r=this.startNode(),this.next(),r.object=null;var f=r.callee=this.parseNoCallExpr();if("MemberExpression"===f.type)return this.finishNode(r,"BindExpression");this.raise(f.start,"Binding should be performed on object property.");default:this.unexpected()}},te.parseFunctionExpression=function(){var e=this.startNode(),t=this.parseIdentifier(!0);return this.state.inGenerator&&this.eat(I.dot)&&this.hasPlugin("functionSent")?this.parseMetaProperty(e,t,"sent"):this.parseFunction(e,!1)},te.parseMetaProperty=function(e,t,r){return e.meta=t,e.property=this.parseIdentifier(!0),e.property.name!==r&&this.raise(e.property.start,"The only valid meta property for new is "+t.name+"."+r),this.finishNode(e,"MetaProperty")},te.parseLiteral=function(e,t,r,n){r=r||this.state.start,n=n||this.state.startLoc;var i=this.startNodeAt(r,n);return this.addExtra(i,"rawValue",e),this.addExtra(i,"raw",this.input.slice(r,this.state.end)),i.value=e,this.next(),this.finishNode(i,t)},te.parseParenExpression=function(){this.expect(I.parenL);var e=this.parseExpression();return this.expect(I.parenR),e},te.parseParenAndDistinguishExpression=function(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;var n=void 0;this.expect(I.parenL);for(var i=this.state.start,a=this.state.startLoc,o=[],s={start:0},u={start:0},l=!0,c=void 0,f=void 0;!this.match(I.parenR);){if(l)l=!1;else if(this.expect(I.comma,u.start||null),this.match(I.parenR)){f=this.state.start;break}if(this.match(I.ellipsis)){var d=this.state.start,p=this.state.startLoc;c=this.state.start,o.push(this.parseParenItem(this.parseRest(),d,p));break}o.push(this.parseMaybeAssign(!1,s,this.parseParenItem,u))}var h=this.state.start,v=this.state.startLoc;this.expect(I.parenR);var y=this.startNodeAt(e,t);if(r&&this.shouldParseArrow()&&(y=this.parseArrow(y))){for(var m=o,b=Array.isArray(m),g=0,m=b?m:m[Symbol.iterator]();;){var w;if(b){if(g>=m.length)break;w=m[g++]}else{if(g=m.next(),g.done)break;w=g.value}var E=w;E.extra&&E.extra.parenthesized&&this.unexpected(E.extra.parenStart)}return this.parseArrowExpression(y,o)}return o.length||this.unexpected(this.state.lastTokStart),f&&this.unexpected(f),c&&this.unexpected(c),s.start&&this.unexpected(s.start),u.start&&this.unexpected(u.start),o.length>1?(n=this.startNodeAt(i,a),n.expressions=o,this.toReferencedList(n.expressions),this.finishNodeAt(n,"SequenceExpression",h,v)):n=o[0],this.addExtra(n,"parenthesized",!0),this.addExtra(n,"parenStart",e),n},te.shouldParseArrow=function(){return!this.canInsertSemicolon()},te.parseArrow=function(e){if(this.eat(I.arrow))return e},te.parseParenItem=function(e){return e},te.parseNew=function(){var e=this.startNode(),t=this.parseIdentifier(!0);if(this.eat(I.dot)){var r=this.parseMetaProperty(e,t,"target");return this.state.inFunction||this.raise(r.property.start,"new.target can only be used in functions"),r}return e.callee=this.parseNoCallExpr(),this.eat(I.parenL)?(e.arguments=this.parseExprList(I.parenR),this.toReferencedList(e.arguments)):e.arguments=[],this.finishNode(e,"NewExpression")},te.parseTemplateElement=function(e){var t=this.startNode();return null===this.state.value&&(e&&this.hasPlugin("templateInvalidEscapes")?this.state.invalidTemplateEscapePosition=null:this.raise(this.state.invalidTemplateEscapePosition,"Invalid escape sequence in template")),t.value={raw:this.input.slice(this.state.start,this.state.end).replace(/\r\n?/g,"\n"),cooked:this.state.value},this.next(),t.tail=this.match(I.backQuote),this.finishNode(t,"TemplateElement")},te.parseTemplate=function(e){var t=this.startNode();this.next(),t.expressions=[];var r=this.parseTemplateElement(e);for(t.quasis=[r];!r.tail;)this.expect(I.dollarBraceL),t.expressions.push(this.parseExpression()),this.expect(I.braceR),t.quasis.push(r=this.parseTemplateElement(e));return this.next(),this.finishNode(t,"TemplateLiteral")},te.parseObj=function(e,t){var r=[],n=Object.create(null),i=!0,a=this.startNode();a.properties=[],this.next();for(var o=null;!this.eat(I.braceR);){if(i)i=!1;else if(this.expect(I.comma),this.eat(I.braceR))break;for(;this.match(I.at);)r.push(this.parseDecorator());var s=this.startNode(),u=!1,l=!1,c=void 0,f=void 0;if(r.length&&(s.decorators=r,r=[]),this.hasPlugin("objectRestSpread")&&this.match(I.ellipsis)){if(s=this.parseSpread(e?{start:0}:void 0),s.type=e?"RestProperty":"SpreadProperty",e&&this.toAssignable(s.argument,!0,"object pattern"),a.properties.push(s),!e)continue;var d=this.state.start;if(null===o){if(this.eat(I.braceR))break;if(this.match(I.comma)&&this.lookahead().type===I.braceR)continue;o=d;continue}this.unexpected(o,"Cannot have multiple rest elements when destructuring")}if(s.method=!1,s.shorthand=!1,(e||t)&&(c=this.state.start,f=this.state.startLoc),e||(u=this.eat(I.star)),!e&&this.isContextual("async")){u&&this.unexpected();var p=this.parseIdentifier();this.match(I.colon)||this.match(I.parenL)||this.match(I.braceR)||this.match(I.eq)||this.match(I.comma)?(s.key=p,s.computed=!1):(l=!0,this.hasPlugin("asyncGenerators")&&(u=this.eat(I.star)),this.parsePropertyName(s))}else this.parsePropertyName(s);this.parseObjPropValue(s,c,f,u,l,e,t),this.checkPropClash(s,n),s.shorthand&&this.addExtra(s,"shorthand",!0),a.properties.push(s)}return null!==o&&this.unexpected(o,"The rest element has to be the last element when destructuring"),r.length&&this.raise(this.state.start,"You have trailing decorators with no property"),this.finishNode(a,e?"ObjectPattern":"ObjectExpression")},te.isGetterOrSetterMethod=function(e,t){return!t&&!e.computed&&"Identifier"===e.key.type&&("get"===e.key.name||"set"===e.key.name)&&(this.match(I.string)||this.match(I.num)||this.match(I.bracketL)||this.match(I.name)||this.state.type.keyword)},te.checkGetterSetterParamCount=function(e){var t="get"===e.kind?0:1;if(e.params.length!==t){var r=e.start;"get"===e.kind?this.raise(r,"getter should have no params"):this.raise(r,"setter should have exactly one param")}},te.parseObjectMethod=function(e,t,r,n){return r||t||this.match(I.parenL)?(n&&this.unexpected(),e.kind="method",e.method=!0,this.parseMethod(e,t,r),this.finishNode(e,"ObjectMethod")):this.isGetterOrSetterMethod(e,n)?((t||r)&&this.unexpected(),e.kind=e.key.name,this.parsePropertyName(e),this.parseMethod(e),this.checkGetterSetterParamCount(e),this.finishNode(e,"ObjectMethod")):void 0},te.parseObjectProperty=function(e,t,r,n,i){return this.eat(I.colon)?(e.value=n?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssign(!1,i),this.finishNode(e,"ObjectProperty")):e.computed||"Identifier"!==e.key.type?void 0:(this.checkReservedWord(e.key.name,e.key.start,!0,!0),n?e.value=this.parseMaybeDefault(t,r,e.key.__clone()):this.match(I.eq)&&i?(i.start||(i.start=this.state.start),e.value=this.parseMaybeDefault(t,r,e.key.__clone())):e.value=e.key.__clone(),e.shorthand=!0,this.finishNode(e,"ObjectProperty"))},te.parseObjPropValue=function(e,t,r,n,i,a,o){var s=this.parseObjectMethod(e,n,i,a)||this.parseObjectProperty(e,t,r,a,o);return s||this.unexpected(),s},te.parsePropertyName=function(e){if(this.eat(I.bracketL))e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(I.bracketR);else{e.computed=!1;var t=this.state.inPropertyName;this.state.inPropertyName=!0,e.key=this.match(I.num)||this.match(I.string)?this.parseExprAtom():this.parseIdentifier(!0),this.state.inPropertyName=t}return e.key},te.initFunction=function(e,t){e.id=null,e.generator=!1,e.expression=!1,e.async=!!t},te.parseMethod=function(e,t,r){var n=this.state.inMethod;return this.state.inMethod=e.kind||!0,this.initFunction(e,r),this.expect(I.parenL),e.params=this.parseBindingList(I.parenR),e.generator=!!t,this.parseFunctionBody(e),this.state.inMethod=n,e},te.parseArrowExpression=function(e,t,r){return this.initFunction(e,r),e.params=this.toAssignableList(t,!0,"arrow function parameters"),this.parseFunctionBody(e,!0),this.finishNode(e,"ArrowFunctionExpression")},te.isStrictBody=function(e,t){if(!t&&e.body.directives.length)for(var r=e.body.directives,n=Array.isArray(r),i=0,r=n?r:r[Symbol.iterator]();;){var a;if(n){if(i>=r.length)break;a=r[i++]}else{if(i=r.next(),i.done)break;a=i.value}var o=a;if("use strict"===o.value.value)return!0}return!1},te.parseFunctionBody=function(e,t){var r=t&&!this.match(I.braceL),n=this.state.inAsync;if(this.state.inAsync=e.async,r)e.body=this.parseMaybeAssign(),e.expression=!0;else{var i=this.state.inFunction,a=this.state.inGenerator,o=this.state.labels;this.state.inFunction=!0,this.state.inGenerator=e.generator,this.state.labels=[],e.body=this.parseBlock(!0),e.expression=!1,this.state.inFunction=i,this.state.inGenerator=a,this.state.labels=o}this.state.inAsync=n;var s=this.isStrictBody(e,r),u=this.state.strict||t||s;if(s&&e.id&&"Identifier"===e.id.type&&"yield"===e.id.name&&this.raise(e.id.start,"Binding yield in strict mode"),u){var l=Object.create(null),c=this.state.strict;s&&(this.state.strict=!0),e.id&&this.checkLVal(e.id,!0,void 0,"function name");for(var f=e.params,d=Array.isArray(f),p=0,f=d?f:f[Symbol.iterator]();;){var h;if(d){if(p>=f.length)break;h=f[p++]}else{if(p=f.next(),p.done)break;h=p.value}var v=h;s&&"Identifier"!==v.type&&this.raise(v.start,"Non-simple parameter in strict mode"),this.checkLVal(v,!0,l,"function parameter list")}this.state.strict=c}},te.parseExprList=function(e,t,r){for(var n=[],i=!0;!this.eat(e);){if(i)i=!1;else if(this.expect(I.comma),this.eat(e))break;n.push(this.parseExprListItem(t,r))}return n},te.parseExprListItem=function(e,t,r){return e&&this.match(I.comma)?null:this.match(I.ellipsis)?this.parseSpread(t):this.parseMaybeAssign(!1,t,this.parseParenItem,r)},te.parseIdentifier=function(e){var t=this.startNode();return e||this.checkReservedWord(this.state.value,this.state.start,!!this.state.type.keyword,!1),this.match(I.name)?t.name=this.state.value:this.state.type.keyword?t.name=this.state.type.keyword:this.unexpected(),!e&&"await"===t.name&&this.state.inAsync&&this.raise(t.start,"invalid use of await inside of an async function"),t.loc.identifierName=t.name,this.next(),this.finishNode(t,"Identifier")},te.checkReservedWord=function(e,t,r,n){(this.isReservedWord(e)||r&&this.isKeyword(e))&&this.raise(t,e+" is a reserved word"),this.state.strict&&(m.strict(e)||n&&m.strictBind(e))&&this.raise(t,e+" is a reserved word in strict mode")},te.parseAwait=function(e){return this.state.inAsync||this.unexpected(),this.match(I.star)&&this.raise(e.start,"await* has been removed from the async functions proposal. Use Promise.all() instead."),e.argument=this.parseMaybeUnary(),this.finishNode(e,"AwaitExpression")},te.parseYield=function(){var e=this.startNode();return this.next(),this.match(I.semi)||this.canInsertSemicolon()||!this.match(I.star)&&!this.state.type.startsExpr?(e.delegate=!1,e.argument=null):(e.delegate=this.eat(I.star),e.argument=this.parseMaybeAssign()),this.finishNode(e,"YieldExpression")};var re=K.prototype,ne=["leadingComments","trailingComments","innerComments"],ie=function(){function e(t,r,n){P(this,e),this.type="",this.start=t,this.end=0,this.loc=new G(r),n&&(this.loc.filename=n)}return e.prototype.__clone=function(){var t=new e;for(var r in this)ne.indexOf(r)<0&&(t[r]=this[r]);return t},e}();re.startNode=function(){return new ie(this.state.start,this.state.startLoc,this.filename)},re.startNodeAt=function(e,t){return new ie(e,t,this.filename)},re.finishNode=function(e,t){return f.call(this,e,t,this.state.lastTokEnd,this.state.lastTokEndLoc)},re.finishNodeAt=function(e,t,r,n){return f.call(this,e,t,r,n)},K.prototype.raise=function(e,t){var r=l(this.input,e);t+=" ("+r.line+":"+r.column+")";var n=new SyntaxError(t);throw n.pos=e,n.loc=r,n};var ae=K.prototype;ae.addComment=function(e){this.filename&&(e.loc.filename=this.filename),this.state.trailingComments.push(e),this.state.leadingComments.push(e)},ae.processComment=function(e){if(!("Program"===e.type&&e.body.length>0)){var t=this.state.commentStack,r=void 0,n=void 0,i=void 0,a=void 0,o=void 0;if(this.state.trailingComments.length>0)this.state.trailingComments[0].start>=e.end?(i=this.state.trailingComments,this.state.trailingComments=[]):this.state.trailingComments.length=0;else{var s=d(t);t.length>0&&s.trailingComments&&s.trailingComments[0].start>=e.end&&(i=s.trailingComments,s.trailingComments=null)}for(t.length>0&&d(t).start>=e.start&&(r=t.pop());t.length>0&&d(t).start>=e.start;)n=t.pop();if(!n&&r&&(n=r),r&&this.state.leadingComments.length>0){var u=d(this.state.leadingComments);if("ObjectProperty"===r.type){if(u.start>=e.start&&this.state.commentPreviousNode){for(o=0;o0&&(r.trailingComments=this.state.leadingComments,this.state.leadingComments=[])}}else if("CallExpression"===e.type&&e.arguments&&e.arguments.length){var l=d(e.arguments);l&&u.start>=l.start&&u.end<=e.end&&this.state.commentPreviousNode&&this.state.leadingComments.length>0&&(l.trailingComments=this.state.leadingComments,this.state.leadingComments=[])}}if(n){if(n.leadingComments)if(n!==e&&d(n.leadingComments).end<=e.start)e.leadingComments=n.leadingComments,n.leadingComments=null;else for(a=n.leadingComments.length-2;a>=0;--a)if(n.leadingComments[a].end<=e.start){e.leadingComments=n.leadingComments.splice(0,a+1);break}}else if(this.state.leadingComments.length>0)if(d(this.state.leadingComments).end<=e.start){if(this.state.commentPreviousNode)for(o=0;o0&&(e.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(a=0;ae.start);a++);e.leadingComments=this.state.leadingComments.slice(0,a),0===e.leadingComments.length&&(e.leadingComments=null),i=this.state.leadingComments.slice(a),0===i.length&&(i=null)}this.state.commentPreviousNode=e,i&&(i.length&&i[0].start>=e.start&&d(i).end<=e.end?e.innerComments=i:e.trailingComments=i),t.push(e)}};var oe=K.prototype;oe.estreeParseRegExpLiteral=function(e){var t=e.pattern,r=e.flags,n=null;try{n=new RegExp(t,r)}catch(e){}var i=this.estreeParseLiteral(n);return i.regex={pattern:t,flags:r},i},oe.estreeParseLiteral=function(e){return this.parseLiteral(e,"Literal")},oe.directiveToStmt=function(e){var t=e.value,r=this.startNodeAt(e.start,e.loc.start),n=this.startNodeAt(t.start,t.loc.start);return n.value=t.value,n.raw=t.extra.raw,r.expression=this.finishNodeAt(n,"Literal",t.end,t.loc.end),r.directive=t.extra.raw.slice(1,-1),this.finishNodeAt(r,"ExpressionStatement",e.end,e.loc.end)};var se=function(e){e.extend("checkDeclaration",function(e){return function(t){p(t)?this.checkDeclaration(t.value):e.call(this,t)}}),e.extend("checkGetterSetterParamCount",function(){return function(e){var t="get"===e.kind?0:1;if(e.value.params.length!==t){var r=e.start;"get"===e.kind?this.raise(r,"getter should have no params"):this.raise(r,"setter should have exactly one param")}}}),e.extend("checkLVal",function(e){return function(t,r,n){var i=this;switch(t.type){case"ObjectPattern":t.properties.forEach(function(e){i.checkLVal("Property"===e.type?e.value:e,r,n,"object destructuring pattern")});break;default:for(var a=arguments.length,o=Array(a>3?a-3:0),s=3;s0)for(var r=e.body.body,n=Array.isArray(r),i=0,r=n?r:r[Symbol.iterator]();;){var a;if(n){if(i>=r.length)break;a=r[i++]}else{if(i=r.next(),i.done)break;a=i.value}var o=a;if("ExpressionStatement"!==o.type||"Literal"!==o.expression.type)break;if("use strict"===o.expression.value)return!0}return!1}}),e.extend("isValidDirective",function(){return function(e){return!("ExpressionStatement"!==e.type||"Literal"!==e.expression.type||"string"!=typeof e.expression.value||e.expression.extra&&e.expression.extra.parenthesized)}}),e.extend("stmtToDirective",function(e){return function(t){var r=e.call(this,t),n=t.expression.value;return r.value.value=n,r}}),e.extend("parseBlockBody",function(e){return function(t){for(var r=this,n=arguments.length,i=Array(n>1?n-1:0),a=1;a1?n-1:0),a=1;a2?n-2:0),a=2;a=o.length)break;l=o[u++]}else{if(u=o.next(),u.done)break;l=u.value}var c=l;"get"===c.kind||"set"===c.kind?this.raise(c.key.start,"Object pattern can't contain getter or setter"):c.method?this.raise(c.key.start,"Object pattern can't contain methods"):this.toAssignable(c,r,"object destructuring pattern")}return t}return e.call.apply(e,[this,t,r].concat(i))}})},ue=["any","mixed","empty","bool","boolean","number","string","void","null"],le=K.prototype;le.flowParseTypeInitialiser=function(e){var t=this.state.inType;this.state.inType=!0,this.expect(e||I.colon);var r=this.flowParseType();return this.state.inType=t,r},le.flowParsePredicate=function(){var e=this.startNode(),t=this.state.startLoc,r=this.state.start;this.expect(I.modulo);var n=this.state.startLoc;return this.expectContextual("checks"),t.line===n.line&&t.column===n.column-1||this.raise(r,"Spaces between ´%´ and ´checks´ are not allowed here."),this.eat(I.parenL)?(e.expression=this.parseExpression(),this.expect(I.parenR),this.finishNode(e,"DeclaredPredicate")):this.finishNode(e,"InferredPredicate")},le.flowParseTypeAndPredicateInitialiser=function(){var e=this.state.inType;this.state.inType=!0,this.expect(I.colon);var t=null,r=null;return this.match(I.modulo)?(this.state.inType=e,r=this.flowParsePredicate()):(t=this.flowParseType(),this.state.inType=e,this.match(I.modulo)&&(r=this.flowParsePredicate())),[t,r]},le.flowParseDeclareClass=function(e){return this.next(),this.flowParseInterfaceish(e,!0),this.finishNode(e,"DeclareClass")},le.flowParseDeclareFunction=function(e){this.next();var t=e.id=this.parseIdentifier(),r=this.startNode(),n=this.startNode();this.isRelational("<")?r.typeParameters=this.flowParseTypeParameterDeclaration():r.typeParameters=null,this.expect(I.parenL);var i=this.flowParseFunctionTypeParams();r.params=i.params,r.rest=i.rest,this.expect(I.parenR);var a=null,o=this.flowParseTypeAndPredicateInitialiser();return r.returnType=o[0],a=o[1],n.typeAnnotation=this.finishNode(r,"FunctionTypeAnnotation"),n.predicate=a,t.typeAnnotation=this.finishNode(n,"TypeAnnotation"),this.finishNode(t,t.type),this.semicolon(),this.finishNode(e,"DeclareFunction")},le.flowParseDeclare=function(e){return this.match(I._class)?this.flowParseDeclareClass(e):this.match(I._function)?this.flowParseDeclareFunction(e):this.match(I._var)?this.flowParseDeclareVariable(e):this.isContextual("module")?this.lookahead().type===I.dot?this.flowParseDeclareModuleExports(e):this.flowParseDeclareModule(e):this.isContextual("type")?this.flowParseDeclareTypeAlias(e):this.isContextual("opaque")?this.flowParseDeclareOpaqueType(e):this.isContextual("interface")?this.flowParseDeclareInterface(e):this.match(I._export)?this.flowParseDeclareExportDeclaration(e):void this.unexpected()},le.flowParseDeclareExportDeclaration=function(e){if(this.expect(I._export),this.isContextual("opaque"))return e.declaration=this.flowParseDeclare(this.startNode()),e.default=!1,this.finishNode(e,"DeclareExportDeclaration");throw this.unexpected()},le.flowParseDeclareVariable=function(e){return this.next(),e.id=this.flowParseTypeAnnotatableIdentifier(),this.semicolon(),this.finishNode(e,"DeclareVariable")},le.flowParseDeclareModule=function(e){this.next(),this.match(I.string)?e.id=this.parseExprAtom():e.id=this.parseIdentifier();var t=e.body=this.startNode(),r=t.body=[];for(this.expect(I.braceL);!this.match(I.braceR);){var n=this.startNode();if(this.match(I._import)){var i=this.lookahead();"type"!==i.value&&"typeof"!==i.value&&this.unexpected(null,"Imports within a `declare module` body must always be `import type` or `import typeof`"),this.parseImport(n)}else this.expectContextual("declare","Only declares and type imports are allowed inside declare module"),n=this.flowParseDeclare(n,!0);r.push(n)}return this.expect(I.braceR),this.finishNode(t,"BlockStatement"),this.finishNode(e,"DeclareModule")},le.flowParseDeclareModuleExports=function(e){return this.expectContextual("module"),this.expect(I.dot),this.expectContextual("exports"),e.typeAnnotation=this.flowParseTypeAnnotation(),this.semicolon(),this.finishNode(e,"DeclareModuleExports")},le.flowParseDeclareTypeAlias=function(e){return this.next(),this.flowParseTypeAlias(e),this.finishNode(e,"DeclareTypeAlias")},le.flowParseDeclareOpaqueType=function(e){return this.next(),this.flowParseOpaqueType(e,!0),this.finishNode(e,"DeclareOpaqueType")},le.flowParseDeclareInterface=function(e){return this.next(),this.flowParseInterfaceish(e),this.finishNode(e,"DeclareInterface")},le.flowParseInterfaceish=function(e){if(e.id=this.parseIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.extends=[],e.mixins=[],this.eat(I._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(this.eat(I.comma));if(this.isContextual("mixins")){this.next();do{e.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(I.comma))}e.body=this.flowParseObjectType(!0,!1,!1)},le.flowParseInterfaceExtends=function(){var e=this.startNode();return e.id=this.flowParseQualifiedTypeIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,this.finishNode(e,"InterfaceExtends")},le.flowParseInterface=function(e){return this.flowParseInterfaceish(e,!1),this.finishNode(e,"InterfaceDeclaration")},le.flowParseRestrictedIdentifier=function(e){return ue.indexOf(this.state.value)>-1&&this.raise(this.state.start,"Cannot overwrite primitive type "+this.state.value),this.parseIdentifier(e)},le.flowParseTypeAlias=function(e){return e.id=this.flowParseRestrictedIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.right=this.flowParseTypeInitialiser(I.eq),this.semicolon(),this.finishNode(e,"TypeAlias")},le.flowParseOpaqueType=function(e,t){return this.expectContextual("type"),e.id=this.flowParseRestrictedIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.supertype=null,this.match(I.colon)&&(e.supertype=this.flowParseTypeInitialiser(I.colon)),e.impltype=null,t||(e.impltype=this.flowParseTypeInitialiser(I.eq)),this.semicolon(),this.finishNode(e,"OpaqueType")},le.flowParseTypeParameter=function(){var e=this.startNode(),t=this.flowParseVariance(),r=this.flowParseTypeAnnotatableIdentifier();return e.name=r.name,e.variance=t,e.bound=r.typeAnnotation,this.match(I.eq)&&(this.eat(I.eq),e.default=this.flowParseType()),this.finishNode(e,"TypeParameter")},le.flowParseTypeParameterDeclaration=function(){var e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(I.jsxTagStart)?this.next():this.unexpected();do{t.params.push(this.flowParseTypeParameter()),this.isRelational(">")||this.expect(I.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterDeclaration")},le.flowParseTypeParameterInstantiation=function(){var e=this.startNode(),t=this.state.inType;for(e.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(I.comma);return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")},le.flowParseObjectPropertyKey=function(){return this.match(I.num)||this.match(I.string)?this.parseExprAtom():this.parseIdentifier(!0)},le.flowParseObjectTypeIndexer=function(e,t,r){return e.static=t,this.expect(I.bracketL),this.lookahead().type===I.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(I.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=r,this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeIndexer")},le.flowParseObjectTypeMethodish=function(e){for(e.params=[],e.rest=null,e.typeParameters=null,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(I.parenL);!this.match(I.parenR)&&!this.match(I.ellipsis);)e.params.push(this.flowParseFunctionTypeParam()),this.match(I.parenR)||this.expect(I.comma);return this.eat(I.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),this.expect(I.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")},le.flowParseObjectTypeMethod=function(e,t,r,n){var i=this.startNodeAt(e,t);return i.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e,t)),i.static=r,i.key=n,i.optional=!1,this.flowObjectTypeSemicolon(),this.finishNode(i,"ObjectTypeProperty")},le.flowParseObjectTypeCallProperty=function(e,t){var r=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(r),this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeCallProperty")},le.flowParseObjectType=function(e,t,r){var n=this.state.inType;this.state.inType=!0;var i=this.startNode(),a=void 0,o=void 0,s=!1;i.callProperties=[],i.properties=[],i.indexers=[];var u=void 0,l=void 0;for(t&&this.match(I.braceBarL)?(this.expect(I.braceBarL),u=I.braceBarR,l=!0):(this.expect(I.braceL),u=I.braceR,l=!1),i.exact=l;!this.match(u);){var c=!1,f=this.state.start,d=this.state.startLoc;a=this.startNode(),e&&this.isContextual("static")&&this.lookahead().type!==I.colon&&(this.next(),s=!0);var p=this.state.start,h=this.flowParseVariance();this.match(I.bracketL)?i.indexers.push(this.flowParseObjectTypeIndexer(a,s,h)):this.match(I.parenL)||this.isRelational("<")?(h&&this.unexpected(p),i.callProperties.push(this.flowParseObjectTypeCallProperty(a,s))):this.match(I.ellipsis)?(r||this.unexpected(null,"Spread operator cannot appear in class or interface definitions"),h&&this.unexpected(h.start,"Spread properties cannot have variance"),this.expect(I.ellipsis),a.argument=this.flowParseType(),this.flowObjectTypeSemicolon(),i.properties.push(this.finishNode(a,"ObjectTypeSpreadProperty"))):(o=this.flowParseObjectPropertyKey(),this.isRelational("<")||this.match(I.parenL)?(h&&this.unexpected(h.start),i.properties.push(this.flowParseObjectTypeMethod(f,d,s,o))):(this.eat(I.question)&&(c=!0),a.key=o,a.value=this.flowParseTypeInitialiser(),a.optional=c,a.static=s,a.variance=h,this.flowObjectTypeSemicolon(),i.properties.push(this.finishNode(a,"ObjectTypeProperty")))),s=!1}this.expect(u);var v=this.finishNode(i,"ObjectTypeAnnotation");return this.state.inType=n,v},le.flowObjectTypeSemicolon=function(){this.eat(I.semi)||this.eat(I.comma)||this.match(I.braceR)||this.match(I.braceBarR)||this.unexpected()},le.flowParseQualifiedTypeIdentifier=function(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;for(var n=r||this.parseIdentifier();this.eat(I.dot);){var i=this.startNodeAt(e,t);i.qualification=n,i.id=this.parseIdentifier(),n=this.finishNode(i,"QualifiedTypeIdentifier")}return n},le.flowParseGenericType=function(e,t,r){var n=this.startNodeAt(e,t);return n.typeParameters=null,n.id=this.flowParseQualifiedTypeIdentifier(e,t,r),this.isRelational("<")&&(n.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(n,"GenericTypeAnnotation")},le.flowParseTypeofType=function(){var e=this.startNode();return this.expect(I._typeof),e.argument=this.flowParsePrimaryType(),this.finishNode(e,"TypeofTypeAnnotation")},le.flowParseTupleType=function(){var e=this.startNode();for(e.types=[],this.expect(I.bracketL);this.state.pos0&&void 0!==arguments[0]?arguments[0]:[],t={params:e,rest:null};!this.match(I.parenR)&&!this.match(I.ellipsis);)t.params.push(this.flowParseFunctionTypeParam()),this.match(I.parenR)||this.expect(I.comma);return this.eat(I.ellipsis)&&(t.rest=this.flowParseFunctionTypeParam()),t},le.flowIdentToTypeAnnotation=function(e,t,r,n){switch(n.name){case"any":return this.finishNode(r,"AnyTypeAnnotation");case"void":return this.finishNode(r,"VoidTypeAnnotation");case"bool":case"boolean":return this.finishNode(r,"BooleanTypeAnnotation");case"mixed":return this.finishNode(r,"MixedTypeAnnotation");case"empty":return this.finishNode(r,"EmptyTypeAnnotation");case"number":return this.finishNode(r,"NumberTypeAnnotation");case"string":return this.finishNode(r,"StringTypeAnnotation");default:return this.flowParseGenericType(e,t,n)}},le.flowParsePrimaryType=function(){var e=this.state.start,t=this.state.startLoc,r=this.startNode(),n=void 0,i=void 0,a=!1,o=this.state.noAnonFunctionType;switch(this.state.type){case I.name:return this.flowIdentToTypeAnnotation(e,t,r,this.parseIdentifier());case I.braceL:return this.flowParseObjectType(!1,!1,!0);case I.braceBarL:return this.flowParseObjectType(!1,!0,!0);case I.bracketL:return this.flowParseTupleType();case I.relational:if("<"===this.state.value)return r.typeParameters=this.flowParseTypeParameterDeclaration(),this.expect(I.parenL),n=this.flowParseFunctionTypeParams(),r.params=n.params,r.rest=n.rest,this.expect(I.parenR),this.expect(I.arrow),r.returnType=this.flowParseType(),this.finishNode(r,"FunctionTypeAnnotation");break;case I.parenL:if(this.next(),!this.match(I.parenR)&&!this.match(I.ellipsis))if(this.match(I.name)){var s=this.lookahead().type;a=s!==I.question&&s!==I.colon}else a=!0;if(a){if(this.state.noAnonFunctionType=!1,i=this.flowParseType(),this.state.noAnonFunctionType=o,this.state.noAnonFunctionType||!(this.match(I.comma)||this.match(I.parenR)&&this.lookahead().type===I.arrow))return this.expect(I.parenR),i;this.eat(I.comma)}return n=i?this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(i)]):this.flowParseFunctionTypeParams(),r.params=n.params,r.rest=n.rest,this.expect(I.parenR),this.expect(I.arrow),r.returnType=this.flowParseType(),r.typeParameters=null,this.finishNode(r,"FunctionTypeAnnotation");case I.string:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case I._true:case I._false:return r.value=this.match(I._true),this.next(),this.finishNode(r,"BooleanLiteralTypeAnnotation");case I.plusMin:if("-"===this.state.value)return this.next(),this.match(I.num)||this.unexpected(null,"Unexpected token, expected number"),this.parseLiteral(-this.state.value,"NumericLiteralTypeAnnotation",r.start,r.loc.start);this.unexpected();case I.num:return this.parseLiteral(this.state.value,"NumericLiteralTypeAnnotation");case I._null:return r.value=this.match(I._null),this.next(),this.finishNode(r,"NullLiteralTypeAnnotation");case I._this:return r.value=this.match(I._this),this.next(),this.finishNode(r,"ThisTypeAnnotation");case I.star:return this.next(),this.finishNode(r,"ExistentialTypeParam");default:if("typeof"===this.state.type.keyword)return this.flowParseTypeofType()}this.unexpected()},le.flowParsePostfixType=function(){for(var e=this.state.start,t=this.state.startLoc,r=this.flowParsePrimaryType();!this.canInsertSemicolon()&&this.match(I.bracketL);){var n=this.startNodeAt(e,t);n.elementType=r,this.expect(I.bracketL),this.expect(I.bracketR),r=this.finishNode(n,"ArrayTypeAnnotation")}return r},le.flowParsePrefixType=function(){var e=this.startNode();return this.eat(I.question)?(e.typeAnnotation=this.flowParsePrefixType(),this.finishNode(e,"NullableTypeAnnotation")):this.flowParsePostfixType()},le.flowParseAnonFunctionWithoutParens=function(){var e=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(I.arrow)){var t=this.startNodeAt(e.start,e.loc.start);return t.params=[this.reinterpretTypeAsFunctionTypeParam(e)],t.rest=null,t.returnType=this.flowParseType(),t.typeParameters=null,this.finishNode(t,"FunctionTypeAnnotation")}return e},le.flowParseIntersectionType=function(){var e=this.startNode();this.eat(I.bitwiseAND);var t=this.flowParseAnonFunctionWithoutParens();for(e.types=[t];this.eat(I.bitwiseAND);)e.types.push(this.flowParseAnonFunctionWithoutParens());return 1===e.types.length?t:this.finishNode(e,"IntersectionTypeAnnotation")},le.flowParseUnionType=function(){var e=this.startNode();this.eat(I.bitwiseOR);var t=this.flowParseIntersectionType();for(e.types=[t];this.eat(I.bitwiseOR);)e.types.push(this.flowParseIntersectionType());return 1===e.types.length?t:this.finishNode(e,"UnionTypeAnnotation")},le.flowParseType=function(){var e=this.state.inType;this.state.inType=!0;var t=this.flowParseUnionType();return this.state.inType=e,t},le.flowParseTypeAnnotation=function(){var e=this.startNode();return e.typeAnnotation=this.flowParseTypeInitialiser(),this.finishNode(e,"TypeAnnotation")},le.flowParseTypeAndPredicateAnnotation=function(){var e=this.startNode(),t=this.flowParseTypeAndPredicateInitialiser();return e.typeAnnotation=t[0],e.predicate=t[1],this.finishNode(e,"TypeAnnotation")},le.flowParseTypeAnnotatableIdentifier=function(){var e=this.flowParseRestrictedIdentifier();return this.match(I.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(e,e.type)),e},le.typeCastToParameter=function(e){return e.expression.typeAnnotation=e.typeAnnotation,this.finishNodeAt(e.expression,e.expression.type,e.typeAnnotation.end,e.typeAnnotation.loc.end)},le.flowParseVariance=function(){var e=null;return this.match(I.plusMin)&&("+"===this.state.value?e="plus":"-"===this.state.value&&(e="minus"),this.next()),e};var ce=function(e){e.extend("parseFunctionBody",function(e){return function(t,r){return this.match(I.colon)&&!r&&(t.returnType=this.flowParseTypeAndPredicateAnnotation()),e.call(this,t,r)}}),e.extend("parseStatement",function(e){return function(t,r){if(this.state.strict&&this.match(I.name)&&"interface"===this.state.value){var n=this.startNode();return this.next(),this.flowParseInterface(n)}return e.call(this,t,r)}}),e.extend("parseExpressionStatement",function(e){return function(t,r){if("Identifier"===r.type)if("declare"===r.name){if(this.match(I._class)||this.match(I.name)||this.match(I._function)||this.match(I._var)||this.match(I._export))return this.flowParseDeclare(t)}else if(this.match(I.name)){if("interface"===r.name)return this.flowParseInterface(t);if("type"===r.name)return this.flowParseTypeAlias(t);if("opaque"===r.name)return this.flowParseOpaqueType(t,!1)}return e.call(this,t,r)}}),e.extend("shouldParseExportDeclaration",function(e){return function(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||e.call(this)}}),e.extend("isExportDefaultSpecifier",function(e){return function(){return(!this.match(I.name)||"type"!==this.state.value&&"interface"!==this.state.value&&"opaque"!==this.state.value)&&e.call(this)}}),e.extend("parseConditional",function(e){return function(t,r,n,i,a){if(a&&this.match(I.question)){var o=this.state.clone();try{return e.call(this,t,r,n,i)}catch(e){if(e instanceof SyntaxError)return this.state=o,a.start=e.pos||this.state.start,t;throw e}}return e.call(this,t,r,n,i)}}),e.extend("parseParenItem",function(e){return function(t,r,n){if(t=e.call(this,t,r,n),this.eat(I.question)&&(t.optional=!0),this.match(I.colon)){var i=this.startNodeAt(r,n);return i.expression=t,i.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(i,"TypeCastExpression")}return t}}),e.extend("parseExport",function(e){return function(t){return t=e.call(this,t),"ExportNamedDeclaration"===t.type&&(t.exportKind=t.exportKind||"value"),t}}),e.extend("parseExportDeclaration",function(e){return function(t){if(this.isContextual("type")){t.exportKind="type";var r=this.startNode();return this.next(),this.match(I.braceL)?(t.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(t),null):this.flowParseTypeAlias(r)}if(this.isContextual("opaque")){t.exportKind="type";var n=this.startNode();return this.next(),this.flowParseOpaqueType(n,!1)}if(this.isContextual("interface")){t.exportKind="type";var i=this.startNode();return this.next(),this.flowParseInterface(i)}return e.call(this,t)}}),e.extend("parseClassId",function(e){return function(t){e.apply(this,arguments),this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration())}}),e.extend("isKeyword",function(e){return function(t){return(!this.state.inType||"void"!==t)&&e.call(this,t)}}),e.extend("readToken",function(e){return function(t){return!this.state.inType||62!==t&&60!==t?e.call(this,t):this.finishOp(I.relational,1)}}),e.extend("jsx_readToken",function(e){return function(){if(!this.state.inType)return e.call(this)}}),e.extend("toAssignable",function(e){return function(t,r,n){return"TypeCastExpression"===t.type?e.call(this,this.typeCastToParameter(t),r,n):e.call(this,t,r,n)}}),e.extend("toAssignableList",function(e){return function(t,r,n){for(var i=0;i2?n-2:0),a=2;a1114111||pe(o)!=o)throw RangeError("Invalid code point: "+o);o<=65535?e.push(o):(o-=65536,t=55296+(o>>10),r=o%1024+56320,e.push(t,r)),(n+1==i||e.length>16384)&&(a+=de.apply(null,e),e.length=0)}return a}}var 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38:e+=this.input.slice(t,this.state.pos),e+=this.jsxReadEntity(),t=this.state.pos;break;default:u(r)?(e+=this.input.slice(t,this.state.pos),e+=this.jsxReadNewLine(!0),t=this.state.pos):++this.state.pos}}},be.jsxReadNewLine=function(e){var t=this.input.charCodeAt(this.state.pos),r=void 0;return++this.state.pos,13===t&&10===this.input.charCodeAt(this.state.pos)?(++this.state.pos,r=e?"\n":"\r\n"):r=String.fromCharCode(t),++this.state.curLine,this.state.lineStart=this.state.pos,r},be.jsxReadString=function(e){for(var t="",r=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var n=this.input.charCodeAt(this.state.pos);if(n===e)break;38===n?(t+=this.input.slice(r,this.state.pos),t+=this.jsxReadEntity(),r=this.state.pos):u(n)?(t+=this.input.slice(r,this.state.pos),t+=this.jsxReadNewLine(!1),r=this.state.pos):++this.state.pos}return t+=this.input.slice(r,this.state.pos++),this.finishToken(I.string,t)},be.jsxReadEntity=function(){for(var e="",t=0,r=void 0,n=this.input[this.state.pos],i=++this.state.pos;this.state.pos")}return r.openingElement=i,r.closingElement=a,r.children=n,this.match(I.relational)&&"<"===this.state.value&&this.raise(this.state.start,"Adjacent JSX elements must be wrapped in an enclosing tag"),this.finishNode(r,"JSXElement")},be.jsxParseElement=function(){var e=this.state.start,t=this.state.startLoc;return this.next(),this.jsxParseElementAt(e,t)};var ge=function(e){e.extend("parseExprAtom",function(e){return function(t){if(this.match(I.jsxText)){var r=this.parseLiteral(this.state.value,"JSXText");return r.extra=null,r}return this.match(I.jsxTagStart)?this.jsxParseElement():e.call(this,t)}}),e.extend("readToken",function(e){return function(t){if(this.state.inPropertyName)return e.call(this,t);var r=this.curContext();if(r===$.j_expr)return this.jsxReadToken();if(r===$.j_oTag||r===$.j_cTag){if(a(t))return this.jsxReadWord();if(62===t)return++this.state.pos,this.finishToken(I.jsxTagEnd);if((34===t||39===t)&&r===$.j_oTag)return this.jsxReadString(t)}return 60===t&&this.state.exprAllowed?(++this.state.pos,this.finishToken(I.jsxTagStart)):e.call(this,t)}}),e.extend("updateContext",function(e){return function(t){if(this.match(I.braceL)){var r=this.curContext();r===$.j_oTag?this.state.context.push($.braceExpression):r===$.j_expr?this.state.context.push($.templateQuasi):e.call(this,t),this.state.exprAllowed=!0}else{if(!this.match(I.slash)||t!==I.jsxTagStart)return e.call(this,t);this.state.context.length-=2,this.state.context.push($.j_cTag),this.state.exprAllowed=!1}}})};q.estree=se,q.flow=ce,q.jsx=ge,t.parse=v,t.parseExpression=y,t.tokTypes=I},function(e,t){e.exports=function(e){if(void 0==e)throw TypeError("Can't call method on "+e);return e}},function(e,t,r){var 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