Function l

browser.min.js:366–366

()

"use strict";var GPU=require("./core/gpu"),alias=require("./core/alias"),utils=require("./core/utils"),Input=require("./core/input"),Texture=require("./core/texture"),CPUFunctionBuilder=require("./backend/cpu/function-builder"),CPUFunctionNode=require("./backend/cpu/function-node"),CPUKernel=require("./backend/cpu/kernel"),CPURunner=require("./backend/cpu/runner"),WebGLFunctionBuilder=require("./backend/web-gl/function-builder"),WebGLFunctionNode=require("./backend/web-gl/function-node"),WebGLKernel=require("./backend/web-gl/kernel"),WebGLRunner=require("./backend/web-gl/runner"),WebGL2FunctionBuilder=require("./backend/web-gl2/function-builder"),WebGL2FunctionNode=require("./backend/web-gl2/function-node"),WebGL2Kernel=require("./backend/web-gl2/kernel"),WebGL2Runner=require("./backend/web-gl2/runner");GPU.alias=alias,GPU.utils=utils,GPU.Texture=Texture,GPU.Input=Input,GPU.input=function(e,n){return new Input(e,n)},GPU.CPUFunctionBuilder=CPUFunctionBuilder,GPU.CPUFunctionNode=CPUFunctionNode,GPU.CPUKernel=CPUKernel,GPU.CPURunner=CPURunner,GPU.WebGLFunctionBuilder=WebGLFunctionBuilder,GPU.WebGLFunctionNode=WebGLFunctionNode,GPU.WebGLKernel=WebGLKernel,GPU.WebGLRunner=WebGLRunner,GPU.WebGL2FunctionBuilder=WebGL2FunctionBuilder,GPU.WebGL2FunctionNode=WebGL2FunctionNode,GPU.WebGL2Kernel=WebGL2Kernel,GPU.WebGL2Runner=WebGL2Runner,"undefined"!=typeof module&&(module.exports=GPU),"undefined"!=typeof window&&(window.GPU=GPU),"undefined"!=typeof self&&(self.GPU=GPU);
},{"./backend/cpu/function-builder":53,"./backend/cpu/function-node":54,"./backend/cpu/kernel":56,"./backend/cpu/runner":57,"./backend/web-gl/function-builder":63,"./backend/web-gl/function-node":64,"./backend/web-gl/kernel":66,"./backend/web-gl/runner":67,"./backend/web-gl2/function-builder":71,"./backend/web-gl2/function-node":72,"./backend/web-gl2/kernel":73,"./backend/web-gl2/runner":74,"./core/alias":78,"./core/gpu":80,"./core/input":81,"./core/texture":82,"./core/utils":84}],86:[function(require,module,exports){
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.acorn={})}(this,function(t){"use strict";function e(t,e){for(var i=65536,s=0;s<e.length;s+=2){if((i+=e[s])>t)return!1;if((i+=e[s+1])>=t)return!0}}function i(t,i){return t<65?36===t:t<91||(t<97?95===t:t<123||(t<=65535?t>=170&&M.test(String.fromCharCode(t)):!1!==i&&e(t,U)))}function s(t,i){return t<48?36===t:t<58||!(t<65)&&(t<91||(t<97?95===t:t<123||(t<=65535?t>=170&&F.test(String.fromCharCode(t)):!1!==i&&(e(t,U)||e(t,G)))))}function r(t,e){return new q(t,{beforeExpr:!0,binop:e})}function a(t,e){return void 0===e&&(e={}),e.keyword=t,j[t]=new q(t,e)}function n(t,e){return 10===t||13===t||!e&&(8232===t||8233===t)}function o(t,e){return $.call(t,e)}function h(t,e){for(var i=1,s=0;;){K.lastIndex=s;var r=K.exec(t);if(!(r&&r.index<e))return new et(i,e-s);++i,s=r.index+r[0].length}}function p(t){var e={};for(var i in st)e[i]=t&&o(t,i)?t[i]:st[i];if(e.ecmaVersion>=2015&&(e.ecmaVersion-=2009),null==e.allowReserved&&(e.allowReserved=e.ecmaVersion<5),tt(e.onToken)){var s=e.onToken;e.onToken=function(t){return s.push(t)}}return tt(e.onComment)&&(e.onComment=c(e,e.onComment)),e}function c(t,e){return function(i,s,r,a,n,o){var h={type:i?"Block":"Line",value:s,start:r,end:a};t.locations&&(h.loc=new it(this,n,o)),t.ranges&&(h.range=[r,a]),e.push(h)}}function u(t){return new RegExp("^(?:"+t.replace(/ /g,"|")+")$")}function l(){this.shorthandAssign=this.trailingComma=this.parenthesizedAssign=this.parenthesizedBind=this.doubleProto=-1}function d(t,e,i,s){return t.type=e,t.end=i,this.options.locations&&(t.loc.end=s),this.options.ranges&&(t.range[1]=i),t}function f(t){return t<=65535?String.fromCharCode(t):(t-=65536,String.fromCharCode(55296+(t>>10),56320+(1023&t)))}function m(t){return 36===t||t>=40&&t<=43||46===t||63===t||t>=91&&t<=94||t>=123&&t<=125}function x(t){return i(t,!0)||36===t||95===t}function g(t){return s(t,!0)||36===t||95===t||8204===t||8205===t}function v(t){return t>=65&&t<=90||t>=97&&t<=122}function y(t){return t>=0&&t<=1114111}function _(t){return 100===t||68===t||115===t||83===t||119===t||87===t}function b(t){return v(t)||95===t}function k(t){return b(t)||C(t)}function C(t){return t>=48&&t<=57}function S(t){return t>=48&&t<=57||t>=65&&t<=70||t>=97&&t<=102}function E(t){return t>=65&&t<=70?t-65+10:t>=97&&t<=102?t-97+10:t-48}function w(t){return t>=48&&t<=55}function A(t){return t<=65535?String.fromCharCode(t):(t-=65536,String.fromCharCode(55296+(t>>10),56320+(1023&t)))}function I(t,e){return new at(e,t).parse()}function P(t,e,i){var s=new at(i,t,e);return s.nextToken(),s.parseExpression()}function L(t,e){return new at(e,t)}function N(e,i,s){t.parse_dammit=e,t.LooseParser=i,t.pluginsLoose=s}var T={3:"abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",5:"class enum extends super const export import",6:"enum",strict:"implements interface let package private protected public static yield",strictBind:"eval arguments"},V="break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this",R={5:V,6:V+" const class extends export import super"},D=/^in(stanceof)?$/,O="ªµºÀ-ÖØ-öø-ˁˆ-ˑˠ-ˤˬˮͰ-ʹͶͷͺ-ͽͿΆΈ-ΊΌΎ-ΡΣ-ϵϷ-ҁҊ-ԯԱ-Ֆՙՠ-ֈא-תׯ-ײؠ-يٮٯٱ-ۓەۥۦۮۯۺ-ۼۿܐܒ-ܯݍ-ޥޱߊ-ߪߴߵߺࠀ-ࠕࠚࠤࠨࡀ-ࡘࡠ-ࡪࢠ-ࢴࢶ-ࢽऄ-हऽॐक़-ॡॱ-ঀঅ-ঌএঐও-নপ-রলশ-হঽৎড়ঢ়য়-ৡৰৱৼਅ-ਊਏਐਓ-ਨਪ-ਰਲਲ਼ਵਸ਼ਸਹਖ਼-ੜਫ਼ੲ-ੴઅ-ઍએ-ઑઓ-નપ-રલળવ-હઽૐૠૡૹଅ-ଌଏଐଓ-ନପ-ରଲଳଵ-ହଽଡ଼ଢ଼ୟ-ୡୱஃஅ-ஊஎ-ஐஒ-கஙசஜஞடணதந-பம-ஹௐఅ-ఌఎ-ఐఒ-నప-హఽౘ-ౚౠౡಀಅ-ಌಎ-ಐಒ-ನಪ-ಳವ-ಹಽೞೠೡೱೲഅ-ഌഎ-ഐഒ-ഺഽൎൔ-ൖൟ-ൡൺ-ൿඅ-ඖක-නඳ-රලව-ෆก-ะาำเ-ๆກຂຄງຈຊຍດ-ທນ-ຟມ-ຣລວສຫອ-ະາຳຽເ-ໄໆໜ-ໟༀཀ-ཇཉ-ཬྈ-ྌက-ဪဿၐ-ၕၚ-ၝၡၥၦၮ-ၰၵ-ႁႎႠ-ჅჇჍა-ჺჼ-ቈቊ-ቍቐ-ቖቘቚ-ቝበ-ኈኊ-ኍነ-ኰኲ-ኵኸ-ኾዀዂ-ዅወ-ዖዘ-ጐጒ-ጕጘ-ፚᎀ-ᎏᎠ-Ᏽᏸ-ᏽᐁ-ᙬᙯ-ᙿᚁ-ᚚᚠ-ᛪᛮ-ᛸᜀ-ᜌᜎ-ᜑᜠ-ᜱᝀ-ᝑᝠ-ᝬᝮ-ᝰក-ឳៗៜᠠ-ᡸᢀ-ᢨᢪᢰ-ᣵᤀ-ᤞᥐ-ᥭᥰ-ᥴᦀ-ᦫᦰ-ᧉᨀ-ᨖᨠ-ᩔᪧᬅ-ᬳᭅ-ᭋᮃ-ᮠᮮᮯᮺ-ᯥᰀ-ᰣᱍ-ᱏᱚ-ᱽᲀ-ᲈᲐ-ᲺᲽ-Ჿᳩ-ᳬᳮ-ᳱᳵᳶᴀ-ᶿḀ-ἕἘ-Ἕἠ-ὅὈ-Ὅὐ-ὗὙὛὝὟ-ώᾀ-ᾴᾶ-ᾼιῂ-ῄῆ-ῌῐ-ΐῖ-Ίῠ-Ῥῲ-ῴῶ-ῼⁱⁿₐ-ₜℂℇℊ-ℓℕ℘-ℝℤΩℨK-ℹℼ-ℿⅅ-ⅉⅎⅠ-ↈⰀ-Ⱞⰰ-ⱞⱠ-ⳤⳫ-ⳮⳲⳳⴀ-ⴥⴧⴭⴰ-ⵧⵯⶀ-ⶖⶠ-ⶦⶨ-ⶮⶰ-ⶶⶸ-ⶾⷀ-ⷆⷈ-ⷎⷐ-ⷖⷘ-ⷞ々-〇〡-〩〱-〵〸-〼ぁ-ゖ゛-ゟァ-ヺー-ヿㄅ-ㄯㄱ-ㆎㆠ-ㆺㇰ-ㇿ㐀-䶵一-鿯ꀀ-ꒌꓐ-ꓽꔀ-ꘌꘐ-ꘟꘪꘫꙀ-ꙮꙿ-ꚝꚠ-ꛯꜗ-ꜟꜢ-ꞈꞋ-ꞹꟷ-ꠁꠃ-ꠅꠇ-ꠊꠌ-ꠢꡀ-ꡳꢂ-ꢳꣲ-ꣷꣻꣽꣾꤊ-ꤥꤰ-ꥆꥠ-ꥼꦄ-ꦲꧏꧠ-ꧤꧦ-ꧯꧺ-ꧾꨀ-ꨨꩀ-ꩂꩄ-ꩋꩠ-ꩶꩺꩾ-ꪯꪱꪵꪶꪹ-ꪽꫀꫂꫛ-ꫝꫠ-ꫪꫲ-ꫴꬁ-ꬆꬉ-ꬎꬑ-ꬖꬠ-ꬦꬨ-ꬮꬰ-ꭚꭜ-ꭥꭰ-ꯢ가-힣ힰ-ퟆퟋ-ퟻ豈-舘並-龎ff-stﬓ-ﬗיִײַ-ﬨשׁ-זּטּ-לּמּנּסּףּפּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-ﷻﹰ-ﹴﹶ-ﻼＡ-Ｚａ-ｚｦ-ﾾￂ-ￇￊ-ￏￒ-ￗￚ-ￜ",B="‌‍·̀-ͯ·҃-֑҇-ׇֽֿׁׂׅׄؐ-ًؚ-٩ٰۖ-ۜ۟-۪ۤۧۨ-ۭ۰-۹ܑܰ-݊ަ-ް߀-߉߫-߽߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛࣓-ࣣ࣡-ःऺ-़ा-ॏ॑-ॗॢॣ०-९ঁ-ঃ়া-ৄেৈো-্ৗৢৣ০-৯৾ਁ-ਃ਼ਾ-ੂੇੈੋ-੍ੑ੦-ੱੵઁ-ઃ઼ા-ૅે-ૉો-્ૢૣ૦-૯ૺ-૿ଁ-ଃ଼ା-ୄେୈୋ-୍ୖୗୢୣ୦-୯ஂா-ூெ-ைொ-்ௗ௦-௯ఀ-ఄా-ౄె-ైొ-్ౕౖౢౣ౦-౯ಁ-ಃ಼ಾ-ೄೆ-ೈೊ-್ೕೖೢೣ೦-೯ഀ-ഃ഻഼ാ-ൄെ-ൈൊ-്ൗൢൣ൦-൯ංඃ්ා-ුූෘ-ෟ෦-෯ෲෳัิ-ฺ็-๎๐-๙ັິ-ູົຼ່-ໍ໐-໙༘༙༠-༩༹༵༷༾༿ཱ-྄྆྇ྍ-ྗྙ-ྼ࿆ါ-ှ၀-၉ၖ-ၙၞ-ၠၢ-ၤၧ-ၭၱ-ၴႂ-ႍႏ-ႝ፝-፟፩-፱ᜒ-᜔ᜲ-᜴ᝒᝓᝲᝳ឴-៓៝០-៩᠋-᠍᠐-᠙ᢩᤠ-ᤫᤰ-᤻᥆-᥏᧐-᧚ᨗ-ᨛᩕ-ᩞ᩠-᩿᩼-᪉᪐-᪙᪰-᪽ᬀ-ᬄ᬴-᭄᭐-᭙᭫-᭳ᮀ-ᮂᮡ-ᮭ᮰-᮹᯦-᯳ᰤ-᰷᱀-᱉᱐-᱙᳐-᳔᳒-᳨᳭ᳲ-᳴᳷-᳹᷀-᷹᷻-᷿‿⁀⁔⃐-⃥⃜⃡-⃰⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯꘠-꘩꙯ꙴ-꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠣ-ꠧꢀꢁꢴ-ꣅ꣐-꣙꣠-꣱ꣿ-꤉ꤦ-꤭ꥇ-꥓ꦀ-ꦃ꦳-꧀꧐-꧙ꧥ꧰-꧹ꨩ-ꨶꩃꩌꩍ꩐-꩙ꩻ-ꩽꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫫ-ꫯꫵ꫶ꯣ-ꯪ꯬꯭꯰-꯹ﬞ︀-️︠-︯︳︴﹍-﹏０-９＿",M=new RegExp("["+O+"]"),F=new RegExp("["+O+B+"]");O=B=null;var U=[0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,477,28,11,0,9,21,190,52,76,44,33,24,27,35,30,0,12,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,54,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,86,26,230,43,117,63,32,0,257,0,11,39,8,0,22,0,12,39,3,3,20,0,35,56,264,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,328,18,270,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,689,63,129,68,12,0,67,12,65,1,31,6129,15,754,9486,286,82,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,60,67,1213,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,3,5761,15,7472,3104,541],G=[509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,574,3,9,9,525,10,176,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,6,1,45,0,13,2,49,13,9,3,4,9,83,11,7,0,161,11,6,9,7,3,56,1,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,5,0,82,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,243,14,166,9,280,9,41,6,2,3,9,0,10,10,47,15,406,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,49,4,2,1,2,4,9,9,330,3,19306,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,2214,6,110,6,6,9,792487,239],q=function(t,e){void 0===e&&(e={}),this.label=t,this.keyword=e.keyword,this.beforeExpr=!!e.beforeExpr,this.startsExpr=!!e.startsExpr,this.isLoop=!!e.isLoop,this.isAssign=!!e.isAssign,this.prefix=!!e.prefix,this.postfix=!!e.postfix,this.binop=e.binop||null,this.updateContext=null},H={beforeExpr:!0},W={startsExpr:!0},j={},z={num:new q("num",W),regexp:new q("regexp",W),string:new q("string",W),name:new q("name",W),eof:new q("eof"),bracketL:new q("[",{beforeExpr:!0,startsExpr:!0}),bracketR:new q("]"),braceL:new q("{",{beforeExpr:!0,startsExpr:!0}),braceR:new q("}"),parenL:new q("(",{beforeExpr:!0,startsExpr:!0}),parenR:new q(")"),comma:new q(",",H),semi:new q(";",H),colon:new q(":",H),dot:new q("."),question:new q("?",H),arrow:new q("=>",H),template:new q("template"),invalidTemplate:new q("invalidTemplate"),ellipsis:new q("...",H),backQuote:new q("`",W),dollarBraceL:new q("${",{beforeExpr:!0,startsExpr:!0}),eq:new q("=",{beforeExpr:!0,isAssign:!0}),assign:new q("_=",{beforeExpr:!0,isAssign:!0}),incDec:new q("++/--",{prefix:!0,postfix:!0,startsExpr:!0}),prefix:new q("!/~",{beforeExpr:!0,prefix:!0,startsExpr:!0}),logicalOR:r("||",1),logicalAND:r("&&",2),bitwiseOR:r("|",3),bitwiseXOR:r("^",4),bitwiseAND:r("&",5),equality:r("==/!=/===/!==",6),relational:r("</>/<=/>=",7),bitShift:r("<</>>/>>>",8),plusMin:new q("+/-",{beforeExpr:!0,binop:9,prefix:!0,startsExpr:!0}),modulo:r("%",10),star:r("*",10),slash:r("/",10),starstar:new q("**",{beforeExpr:!0}),_break:a("break"),_case:a("case",H),_catch:a("catch"),_continue:a("continue"),_debugger:a("debugger"),_default:a("default",H),_do:a("do",{isLoop:!0,beforeExpr:!0}),_else:a("else",H),_finally:a("finally"),_for:a("for",{isLoop:!0}),_function:a("function",W),_if:a("if"),_return:a("return",H),_switch:a("switch"),_throw:a("throw",H),_try:a("try"),_var:a("var"),_const:a("const"),_while:a("while",{isLoop:!0}),_with:a("with"),_new:a("new",{beforeExpr:!0,startsExpr:!0}),_this:a("this",W),_super:a("super",W),_class:a("class",W),_extends:a("extends",H),_export:a("export"),_import:a("import"),_null:a("null",W),_true:a("true",W),_false:a("false",W),_in:a("in",{beforeExpr:!0,binop:7}),_instanceof:a("instanceof",{beforeExpr:!0,binop:7}),_typeof:a("typeof",{beforeExpr:!0,prefix:!0,startsExpr:!0}),_void:a("void",{beforeExpr:!0,prefix:!0,startsExpr:!0}),_delete:a("delete",{beforeExpr:!0,prefix:!0,startsExpr:!0})},Q=/\r\n?|\n|\u2028|\u2029/,K=new RegExp(Q.source,"g"),X=/[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/,Y=/(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g,Z=Object.prototype,$=Z.hasOwnProperty,J=Z.toString,tt=Array.isArray||function(t){return"[object Array]"===J.call(t)},et=function(t,e){this.line=t,this.column=e};et.prototype.offset=function(t){return new et(this.line,this.column+t)};var it=function(t,e,i){this.start=e,this.end=i,null!==t.sourceFile&&(this.source=t.sourceFile)},st={ecmaVersion:7,sourceType:"script",onInsertedSemicolon:null,onTrailingComma:null,allowReserved:null,allowReturnOutsideFunction:!1,allowImportExportEverywhere:!1,allowAwaitOutsideFunction:!1,allowHashBang:!1,locations:!1,onToken:null,onComment:null,ranges:!1,program:null,sourceFile:null,directSourceFile:null,preserveParens:!1,plugins:{}},rt={},at=function(t,e,i){this.options=t=p(t),this.sourceFile=t.sourceFile,this.keywords=u(R[t.ecmaVersion>=6?6:5]);var s="";if(!t.allowReserved){for(var r=t.ecmaVersion;!(s=T[r]);r--);"module"===t.sourceType&&(s+=" await")}this.reservedWords=u(s);var a=(s?s+" ":"")+T.strict;this.reservedWordsStrict=u(a),this.reservedWordsStrictBind=u(a+" "+T.strictBind),this.input=String(e),this.containsEsc=!1,this.loadPlugins(t.plugins),i?(this.pos=i,this.lineStart=this.input.lastIndexOf("\n",i-1)+1,this.curLine=this.input.slice(0,this.lineStart).split(Q).length):(this.pos=this.lineStart=0,this.curLine=1),this.type=z.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=this.initialContext(),this.exprAllowed=!0,this.inModule="module"===t.sourceType,this.strict=this.inModule||this.strictDirective(this.pos),this.potentialArrowAt=-1,this.inFunction=this.inGenerator=this.inAsync=!1,this.yieldPos=this.awaitPos=0,this.labels=[],0===this.pos&&t.allowHashBang&&"#!"===this.input.slice(0,2)&&this.skipLineComment(2),this.scopeStack=[],this.enterFunctionScope(),this.regexpState=null};at.prototype.isKeyword=function(t){return this.keywords.test(t)},at.prototype.isReservedWord=function(t){return this.reservedWords.test(t)},at.prototype.extend=function(t,e){this[t]=e(this[t])},at.prototype.loadPlugins=function(t){var e=this;for(var i in t){var s=rt[i];if(!s)throw new Error("Plugin '"+i+"' not found");s(e,t[i])}},at.prototype.parse=function(){var t=this.options.program||this.startNode();return this.nextToken(),this.parseTopLevel(t)};var nt=at.prototype,ot=/^(?:'((?:\\.|[^'])*?)'|"((?:\\.|[^"])*?)"|;)/;nt.strictDirective=function(t){for(var e=this;;){Y.lastIndex=t,t+=Y.exec(e.input)[0].length;var i=ot.exec(e.input.slice(t));if(!i)return!1;if("use strict"===(i[1]||i[2]))return!0;t+=i[0].length}},nt.eat=function(t){return this.type===t&&(this.next(),!0)},nt.isContextual=function(t){return this.type===z.name&&this.value===t&&!this.containsEsc},nt.eatContextual=function(t){return!!this.isContextual(t)&&(this.next(),!0)},nt.expectContextual=function(t){this.eatContextual(t)||this.unexpected()},nt.canInsertSemicolon=function(){return this.type===z.eof||this.type===z.braceR||Q.test(this.input.slice(this.lastTokEnd,this.start))},nt.insertSemicolon=function(){if(this.canInsertSemicolon())return this.options.onInsertedSemicolon&&this.options.onInsertedSemicolon(this.lastTokEnd,this.lastTokEndLoc),!0},nt.semicolon=function(){this.eat(z.semi)||this.insertSemicolon()||this.unexpected()},nt.afterTrailingComma=function(t,e){if(this.type===t)return this.options.onTrailingComma&&this.options.onTrailingComma(this.lastTokStart,this.lastTokStartLoc),e||this.next(),!0},nt.expect=function(t){this.eat(t)||this.unexpected()},nt.unexpected=function(t){this.raise(null!=t?t:this.start,"Unexpected token")},nt.checkPatternErrors=function(t,e){if(t){t.trailingComma>-1&&this.raiseRecoverable(t.trailingComma,"Comma is not permitted after the rest element");var i=e?t.parenthesizedAssign:t.parenthesizedBind;i>-1&&this.raiseRecoverable(i,"Parenthesized pattern")}},nt.checkExpressionErrors=function(t,e){if(!t)return!1;var i=t.shorthandAssign,s=t.doubleProto;if(!e)return i>=0||s>=0;i>=0&&this.raise(i,"Shorthand property assignments are valid only in destructuring patterns"),s>=0&&this.raiseRecoverable(s,"Redefinition of __proto__ property")},nt.checkYieldAwaitInDefaultParams=function(){this.yieldPos&&(!this.awaitPos||this.yieldPos<this.awaitPos)&&this.raise(this.yieldPos,"Yield expression cannot be a default value"),this.awaitPos&&this.raise(this.awaitPos,"Await expression cannot be a default value")},nt.isSimpleAssignTarget=function(t){return"ParenthesizedExpression"===t.type?this.isSimpleAssignTarget(t.expression):"Identifier"===t.type||"MemberExpression"===t.type};var ht=at.prototype;ht.parseTopLevel=function(t){var e=this,i={};for(t.body||(t.body=[]);this.type!==z.eof;){var s=e.parseStatement(!0,!0,i);t.body.push(s)}return this.adaptDirectivePrologue(t.body),this.next(),this.options.ecmaVersion>=6&&(t.sourceType=this.options.sourceType),this.finishNode(t,"Program")};var pt={kind:"loop"},ct={kind:"switch"};ht.isLet=function(){if(this.options.ecmaVersion<6||!this.isContextual("let"))return!1;Y.lastIndex=this.pos;var t=Y.exec(this.input),e=this.pos+t[0].length,r=this.input.charCodeAt(e);if(91===r||123===r)return!0;if(i(r,!0)){for(var a=e+1;s(this.input.charCodeAt(a),!0);)++a;var n=this.input.slice(e,a);if(!D.test(n))return!0}return!1},ht.isAsyncFunction=function(){if(this.options.ecmaVersion<8||!this.isContextual("async"))return!1;Y.lastIndex=this.pos;var t=Y.exec(this.input),e=this.pos+t[0].length;return!(Q.test(this.input.slice(this.pos,e))||"function"!==this.input.slice(e,e+8)||e+8!==this.input.length&&s(this.input.charAt(e+8)))},ht.parseStatement=function(t,e,i){var s,r=this.type,a=this.startNode();switch(this.isLet()&&(r=z._var,s="let"),r){case z._break:case z._continue:return this.parseBreakContinueStatement(a,r.keyword);case z._debugger:return this.parseDebuggerStatement(a);case z._do:return this.parseDoStatement(a);case z._for:return this.parseForStatement(a);case z._function:return!t&&this.options.ecmaVersion>=6&&this.unexpected(),this.parseFunctionStatement(a,!1);case z._class:return t||this.unexpected(),this.parseClass(a,!0);case z._if:return this.parseIfStatement(a);case z._return:return this.parseReturnStatement(a);case z._switch:return this.parseSwitchStatement(a);case z._throw:return this.parseThrowStatement(a);case z._try:return this.parseTryStatement(a);case z._const:case z._var:return s=s||this.value,t||"var"===s||this.unexpected(),this.parseVarStatement(a,s);case z._while:return this.parseWhileStatement(a);case z._with:return this.parseWithStatement(a);case z.braceL:return this.parseBlock();case z.semi:return this.parseEmptyStatement(a);case z._export:case z._import:return this.options.allowImportExportEverywhere||(e||this.raise(this.start,"'import' and 'export' may only appear at the top level"),this.inModule||this.raise(this.start,"'import' and 'export' may appear only with 'sourceType: module'")),r===z._import?this.parseImport(a):this.parseExport(a,i);default:if(this.isAsyncFunction())return t||this.unexpected(),this.next(),this.parseFunctionStatement(a,!0);var n=this.value,o=this.parseExpression();return r===z.name&&"Identifier"===o.type&&this.eat(z.colon)?this.parseLabeledStatement(a,n,o):this.parseExpressionStatement(a,o)}},ht.parseBreakContinueStatement=function(t,e){var i=this,s="break"===e;this.next(),this.eat(z.semi)||this.insertSemicolon()?t.label=null:this.type!==z.name?this.unexpected():(t.label=this.parseIdent(),this.semicolon());for(var r=0;r<this.labels.length;++r){var a=i.labels[r];if(null==t.label||a.name===t.label.name){if(null!=a.kind&&(s||"loop"===a.kind))break;if(t.label&&s)break}}return r===this.labels.length&&this.raise(t.start,"Unsyntactic "+e),this.finishNode(t,s?"BreakStatement":"ContinueStatement")},ht.parseDebuggerStatement=function(t){return this.next(),this.semicolon(),this.finishNode(t,"DebuggerStatement")},ht.parseDoStatement=function(t){return this.next(),this.labels.push(pt),t.body=this.parseStatement(!1),this.labels.pop(),this.expect(z._while),t.test=this.parseParenExpression(),this.options.ecmaVersion>=6?this.eat(z.semi):this.semicolon(),this.finishNode(t,"DoWhileStatement")},ht.parseForStatement=function(t){this.next();var e=this.options.ecmaVersion>=9&&(this.inAsync||!this.inFunction&&this.options.allowAwaitOutsideFunction)&&this.eatContextual("await")?this.lastTokStart:-1;if(this.labels.push(pt),this.enterLexicalScope(),this.expect(z.parenL),this.type===z.semi)return e>-1&&this.unexpected(e),this.parseFor(t,null);var i=this.isLet();if(this.type===z._var||this.type===z._const||i){var s=this.startNode(),r=i?"let":this.value;return this.next(),(this.parseVar(s,!0,r),this.finishNode(s,"VariableDeclaration"),!(this.type===z._in||this.options.ecmaVersion>=6&&this.isContextual("of"))||1!==s.declarations.length||"var"!==r&&s.declarations[0].init)?(e>-1&&this.unexpected(e),this.parseFor(t,s)):(this.options.ecmaVersion>=9&&(this.type===z._in?e>-1&&this.unexpected(e):t.await=e>-1),this.parseForIn(t,s))}var a=new l,n=this.parseExpression(!0,a);return this.type===z._in||this.options.ecmaVersion>=6&&this.isContextual("of")?(this.options.ecmaVersion>=9&&(this.type===z._in?e>-1&&this.unexpected(e):t.await=e>-1),this.toAssignable(n,!1,a),this.checkLVal(n),this.parseForIn(t,n)):(this.checkExpressionErrors(a,!0),e>-1&&this.unexpected(e),this.parseFor(t,n))},ht.parseFunctionStatement=function(t,e){return this.next(),this.parseFunction(t,!0,!1,e)},ht.parseIfStatement=function(t){return this.next(),t.test=this.parseParenExpression(),t.consequent=this.parseStatement(!this.strict&&this.type===z._function),t.alternate=this.eat(z._else)?this.parseStatement(!this.strict&&this.type===z._function):null,this.finishNode(t,"IfStatement")},ht.parseReturnStatement=function(t){return this.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.start,"'return' outside of function"),this.next(),this.eat(z.semi)||this.insertSemicolon()?t.argument=null:(t.argument=this.parseExpression(),this.semicolon()),this.finishNode(t,"ReturnStatement")},ht.parseSwitchStatement=function(t){var e=this;this.next(),t.discriminant=this.parseParenExpression(),t.cases=[],this.expect(z.braceL),this.labels.push(ct),this.enterLexicalScope();for(var i,s=!1;this.type!==z.braceR;)if(e.type===z._case||e.type===z._default){var r=e.type===z._case;i&&e.finishNode(i,"SwitchCase"),t.cases.push(i=e.startNode()),i.consequent=[],e.next(),r?i.test=e.parseExpression():(s&&e.raiseRecoverable(e.lastTokStart,"Multiple default clauses"),s=!0,i.test=null),e.expect(z.colon)}else i||e.unexpected(),i.consequent.push(e.parseStatement(!0));return this.exitLexicalScope(),i&&this.finishNode(i,"SwitchCase"),this.next(),this.labels.pop(),this.finishNode(t,"SwitchStatement")},ht.parseThrowStatement=function(t){return this.next(),Q.test(this.input.slice(this.lastTokEnd,this.start))&&this.raise(this.lastTokEnd,"Illegal newline after throw"),t.argument=this.parseExpression(),this.semicolon(),this.finishNode(t,"ThrowStatement")};var ut=[];ht.parseTryStatement=function(t){if(this.next(),t.block=this.parseBlock(),t.handler=null,this.type===z._catch){var e=this.startNode();this.next(),this.eat(z.parenL)?(e.param=this.parseBindingAtom(),this.enterLexicalScope(),this.checkLVal(e.param,"let"),this.expect(z.parenR)):(this.options.ecmaVersion<10&&this.unexpected(),e.param=null,this.enterLexicalScope()),e.body=this.parseBlock(!1),this.exitLexicalScope(),t.handler=this.finishNode(e,"CatchClause")}return t.finalizer=this.eat(z._finally)?this.parseBlock():null,t.handler||t.finalizer||this.raise(t.start,"Missing catch or finally clause"),this.finishNode(t,"TryStatement")},ht.parseVarStatement=function(t,e){return this.next(),this.parseVar(t,!1,e),this.semicolon(),this.finishNode(t,"VariableDeclaration")},ht.parseWhileStatement=function(t){return this.next(),t.test=this.parseParenExpression(),this.labels.push(pt),t.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(t,"WhileStatement")},ht.parseWithStatement=function(t){return this.strict&&this.raise(this.start,"'with' in strict mode"),this.next(),t.object=this.parseParenExpression(),t.body=this.parseStatement(!1),this.finishNode(t,"WithStatement")},ht.parseEmptyStatement=function(t){return this.next(),this.finishNode(t,"EmptyStatement")},ht.parseLabeledStatement=function(t,e,i){for(var s=this,r=0,a=s.labels;r<a.length;r+=1){a[r].name===e&&s.raise(i.start,"Label '"+e+"' is already declared")}for(var n=this.type.isLoop?"loop":this.type===z._switch?"switch":null,o=this.labels.length-1;o>=0;o--){var h=s.labels[o];if(h.statementStart!==t.start)break;h.statementStart=s.start,h.kind=n}return this.labels.push({name:e,kind:n,statementStart:this.start}),t.body=this.parseStatement(!0),("ClassDeclaration"===t.body.type||"VariableDeclaration"===t.body.type&&"var"!==t.body.kind||"FunctionDeclaration"===t.body.type&&(this.strict||t.body.generator||t.body.async))&&this.raiseRecoverable(t.body.start,"Invalid labeled declaration"),this.labels.pop(),t.label=i,this.finishNode(t,"LabeledStatement")},ht.parseExpressionStatement=function(t,e){return t.expression=e,this.semicolon(),this.finishNode(t,"ExpressionStatement")},ht.parseBlock=function(t){var e=this;void 0===t&&(t=!0);var i=this.startNode();for(i.body=[],this.expect(z.braceL),t&&this.enterLexicalScope();!this.eat(z.braceR);){var s=e.parseStatement(!0);i.body.push(s)}return t&&this.exitLexicalScope(),this.finishNode(i,"BlockStatement")},ht.parseFor=function(t,e){return t.init=e,this.expect(z.semi),t.test=this.type===z.semi?null:this.parseExpression(),this.expect(z.semi),t.update=this.type===z.parenR?null:this.parseExpression(),this.expect(z.parenR),this.exitLexicalScope(),t.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(t,"ForStatement")},ht.parseForIn=function(t,e){var i=this.type===z._in?"ForInStatement":"ForOfStatement";return this.next(),"ForInStatement"===i&&("AssignmentPattern"===e.type||"VariableDeclaration"===e.type&&null!=e.declarations[0].init&&(this.strict||"Identifier"!==e.declarations[0].id.type))&&this.raise(e.start,"Invalid assignment in for-in loop head"),t.left=e,t.right="ForInStatement"===i?this.parseExpression():this.parseMaybeAssign(),this.expect(z.parenR),this.exitLexicalScope(),t.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(t,i)},ht.parseVar=function(t,e,i){var s=this;for(t.declarations=[],t.kind=i;;){var r=s.startNode();if(s.parseVarId(r,i),s.eat(z.eq)?r.init=s.parseMaybeAssign(e):"const"!==i||s.type===z._in||s.options.ecmaVersion>=6&&s.isContextual("of")?"Identifier"===r.id.type||e&&(s.type===z._in||s.isContextual("of"))?r.init=null:s.raise(s.lastTokEnd,"Complex binding patterns require an initialization value"):s.unexpected(),t.declarations.push(s.finishNode(r,"VariableDeclarator")),!s.eat(z.comma))break}return t},ht.parseVarId=function(t,e){t.id=this.parseBindingAtom(e),this.checkLVal(t.id,e,!1)},ht.parseFunction=function(t,e,i,s){this.initFunction(t),(this.options.ecmaVersion>=9||this.options.ecmaVersion>=6&&!s)&&(t.generator=this.eat(z.star)),this.options.ecmaVersion>=8&&(t.async=!!s),e&&(t.id="nullableID"===e&&this.type!==z.name?null:this.parseIdent(),t.id&&this.checkLVal(t.id,this.inModule&&!this.inFunction?"let":"var"));var r=this.inGenerator,a=this.inAsync,n=this.yieldPos,o=this.awaitPos,h=this.inFunction;return this.inGenerator=t.generator,this.inAsync=t.async,this.yieldPos=0,this.awaitPos=0,this.inFunction=!0,this.enterFunctionScope(),e||(t.id=this.type===z.name?this.parseIdent():null),this.parseFunctionParams(t),this.parseFunctionBody(t,i),this.inGenerator=r,this.inAsync=a,this.yieldPos=n,this.awaitPos=o,this.inFunction=h,this.finishNode(t,e?"FunctionDeclaration":"FunctionExpression")},ht.parseFunctionParams=function(t){this.expect(z.parenL),t.params=this.parseBindingList(z.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams()},ht.parseClass=function(t,e){var i=this;this.next(),this.parseClassId(t,e),this.parseClassSuper(t);var s=this.startNode(),r=!1;for(s.body=[],this.expect(z.braceL);!this.eat(z.braceR);){var a=i.parseClassMember(s);a&&"MethodDefinition"===a.type&&"constructor"===a.kind&&(r&&i.raise(a.start,"Duplicate constructor in the same class"),r=!0)}return t.body=this.finishNode(s,"ClassBody"),this.finishNode(t,e?"ClassDeclaration":"ClassExpression")},ht.parseClassMember=function(t){var e=this;if(this.eat(z.semi))return null;var i=this.startNode(),s=function(t,s){void 0===s&&(s=!1);var r=e.start,a=e.startLoc;return!!e.eatContextual(t)&&(!(e.type===z.parenL||s&&e.canInsertSemicolon())||(i.key&&e.unexpected(),i.computed=!1,i.key=e.startNodeAt(r,a),i.key.name=t,e.finishNode(i.key,"Identifier"),!1))};i.kind="method",i.static=s("static");var r=this.eat(z.star),a=!1;r||(this.options.ecmaVersion>=8&&s("async",!0)?(a=!0,r=this.options.ecmaVersion>=9&&this.eat(z.star)):s("get")?i.kind="get":s("set")&&(i.kind="set")),i.key||this.parsePropertyName(i);var n=i.key;return i.computed||i.static||!("Identifier"===n.type&&"constructor"===n.name||"Literal"===n.type&&"constructor"===n.value)?i.static&&"Identifier"===n.type&&"prototype"===n.name&&this.raise(n.start,"Classes may not have a static property named prototype"):("method"!==i.kind&&this.raise(n.start,"Constructor can't have get/set modifier"),r&&this.raise(n.start,"Constructor can't be a generator"),a&&this.raise(n.start,"Constructor can't be an async method"),i.kind="constructor"),this.parseClassMethod(t,i,r,a),"get"===i.kind&&0!==i.value.params.length&&this.raiseRecoverable(i.value.start,"getter should have no params"),"set"===i.kind&&1!==i.value.params.length&&this.raiseRecoverable(i.value.start,"setter should have exactly one param"),"set"===i.kind&&"RestElement"===i.value.params[0].type&&this.raiseRecoverable(i.value.params[0].start,"Setter cannot use rest params"),i},ht.parseClassMethod=function(t,e,i,s){e.value=this.parseMethod(i,s),t.body.push(this.finishNode(e,"MethodDefinition"))},ht.parseClassId=function(t,e){t.id=this.type===z.name?this.parseIdent():!0===e?this.unexpected():null},ht.parseClassSuper=function(t){t.superClass=this.eat(z._extends)?this.parseExprSubscripts():null},ht.parseExport=function(t,e){var i=this;if(this.next(),this.eat(z.star))return this.expectContextual("from"),this.type!==z.string&&this.unexpected(),t.source=this.parseExprAtom(),this.semicolon(),this.finishNode(t,"ExportAllDeclaration");if(this.eat(z._default)){this.checkExport(e,"default",this.lastTokStart);var s;if(this.type===z._function||(s=this.isAsyncFunction())){var r=this.startNode();this.next(),s&&this.next(),t.declaration=this.parseFunction(r,"nullableID",!1,s)}else if(this.type===z._class){var a=this.startNode();t.declaration=this.parseClass(a,"nullableID")}else t.declaration=this.parseMaybeAssign(),this.semicolon();return this.finishNode(t,"ExportDefaultDeclaration")}if(this.shouldParseExportStatement())t.declaration=this.parseStatement(!0),"VariableDeclaration"===t.declaration.type?this.checkVariableExport(e,t.declaration.declarations):this.checkExport(e,t.declaration.id.name,t.declaration.id.start),t.specifiers=[],t.source=null;else{if(t.declaration=null,t.specifiers=this.parseExportSpecifiers(e),this.eatContextual("from"))this.type!==z.string&&this.unexpected(),t.source=this.parseExprAtom();else{for(var n=0,o=t.specifiers;n<o.length;n+=1){var h=o[n];i.checkUnreserved(h.local)}t.source=null}this.semicolon()}return this.finishNode(t,"ExportNamedDeclaration")},ht.checkExport=function(t,e,i){t&&(o(t,e)&&this.raiseRecoverable(i,"Duplicate export '"+e+"'"),t[e]=!0)},ht.checkPatternExport=function(t,e){var i=this,s=e.type;if("Identifier"===s)this.checkExport(t,e.name,e.start);else if("ObjectPattern"===s)for(var r=0,a=e.properties;r<a.length;r+=1){var n=a[r];i.checkPatternExport(t,n)}else if("ArrayPattern"===s)for(var o=0,h=e.elements;o<h.length;o+=1){var p=h[o];p&&i.checkPatternExport(t,p)}else"Property"===s?this.checkPatternExport(t,e.value):"AssignmentPattern"===s?this.checkPatternExport(t,e.left):"RestElement"===s?this.checkPatternExport(t,e.argument):"ParenthesizedExpression"===s&&this.checkPatternExport(t,e.expression)},ht.checkVariableExport=function(t,e){var i=this;if(t)for(var s=0,r=e;s<r.length;s+=1){var a=r[s];i.checkPatternExport(t,a.id)}},ht.shouldParseExportStatement=function(){return"var"===this.type.keyword||"const"===this.type.keyword||"class"===this.type.keyword||"function"===this.type.keyword||this.isLet()||this.isAsyncFunction()},ht.parseExportSpecifiers=function(t){var e=this,i=[],s=!0;for(this.expect(z.braceL);!this.eat(z.braceR);){if(s)s=!1;else if(e.expect(z.comma),e.afterTrailingComma(z.braceR))break;var r=e.startNode();r.local=e.parseIdent(!0),r.exported=e.eatContextual("as")?e.parseIdent(!0):r.local,e.checkExport(t,r.exported.name,r.exported.start),i.push(e.finishNode(r,"ExportSpecifier"))}return i},ht.parseImport=function(t){return this.next(),this.type===z.string?(t.specifiers=ut,t.source=this.parseExprAtom()):(t.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),t.source=this.type===z.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(t,"ImportDeclaration")},ht.parseImportSpecifiers=function(){var t=this,e=[],i=!0;if(this.type===z.name){var s=this.startNode();if(s.local=this.parseIdent(),this.checkLVal(s.local,"let"),e.push(this.finishNode(s,"ImportDefaultSpecifier")),!this.eat(z.comma))return e}if(this.type===z.star){var r=this.startNode();return this.next(),this.expectContextual("as"),r.local=this.parseIdent(),this.checkLVal(r.local,"let"),e.push(this.finishNode(r,"ImportNamespaceSpecifier")),e}for(this.expect(z.braceL);!this.eat(z.braceR);){if(i)i=!1;else if(t.expect(z.comma),t.afterTrailingComma(z.braceR))break;var a=t.startNode();a.imported=t.parseIdent(!0),t.eatContextual("as")?a.local=t.parseIdent():(t.checkUnreserved(a.imported),a.local=a.imported),t.checkLVal(a.local,"let"),e.push(t.finishNode(a,"ImportSpecifier"))}return e},ht.adaptDirectivePrologue=function(t){for(var e=0;e<t.length&&this.isDirectiveCandidate(t[e]);++e)t[e].directive=t[e].expression.raw.slice(1,-1)},ht.isDirectiveCandidate=function(t){return"ExpressionStatement"===t.type&&"Literal"===t.expression.type&&"string"==typeof t.expression.value&&('"'===this.input[t.start]||"'"===this.input[t.start])};var lt=at.prototype;lt.toAssignable=function(t,e,i){var s=this;if(this.options.ecmaVersion>=6&&t)switch(t.type){case"Identifier":this.inAsync&&"await"===t.name&&this.raise(t.start,"Can not use 'await' as identifier inside an async function");break;case"ObjectPattern":case"ArrayPattern":case"RestElement":break;case"ObjectExpression":t.type="ObjectPattern",i&&this.checkPatternErrors(i,!0);for(var r=0,a=t.properties;r<a.length;r+=1){var n=a[r];s.toAssignable(n,e),
"RestElement"!==n.type||"ArrayPattern"!==n.argument.type&&"ObjectPattern"!==n.argument.type||s.raise(n.argument.start,"Unexpected token")}break;case"Property":"init"!==t.kind&&this.raise(t.key.start,"Object pattern can't contain getter or setter"),this.toAssignable(t.value,e);break;case"ArrayExpression":t.type="ArrayPattern",i&&this.checkPatternErrors(i,!0),this.toAssignableList(t.elements,e);break;case"SpreadElement":t.type="RestElement",this.toAssignable(t.argument,e),"AssignmentPattern"===t.argument.type&&this.raise(t.argument.start,"Rest elements cannot have a default value");break;case"AssignmentExpression":"="!==t.operator&&this.raise(t.left.end,"Only '=' operator can be used for specifying default value."),t.type="AssignmentPattern",delete t.operator,this.toAssignable(t.left,e);case"AssignmentPattern":break;case"ParenthesizedExpression":this.toAssignable(t.expression,e);break;case"MemberExpression":if(!e)break;default:this.raise(t.start,"Assigning to rvalue")}else i&&this.checkPatternErrors(i,!0);return t},lt.toAssignableList=function(t,e){for(var i=this,s=t.length,r=0;r<s;r++){var a=t[r];a&&i.toAssignable(a,e)}if(s){var n=t[s-1];6===this.options.ecmaVersion&&e&&n&&"RestElement"===n.type&&"Identifier"!==n.argument.type&&this.unexpected(n.argument.start)}return t},lt.parseSpread=function(t){var e=this.startNode();return this.next(),e.argument=this.parseMaybeAssign(!1,t),this.finishNode(e,"SpreadElement")},lt.parseRestBinding=function(){var t=this.startNode();return this.next(),6===this.options.ecmaVersion&&this.type!==z.name&&this.unexpected(),t.argument=this.parseBindingAtom(),this.finishNode(t,"RestElement")},lt.parseBindingAtom=function(){if(this.options.ecmaVersion>=6)switch(this.type){case z.bracketL:var t=this.startNode();return this.next(),t.elements=this.parseBindingList(z.bracketR,!0,!0),this.finishNode(t,"ArrayPattern");case z.braceL:return this.parseObj(!0)}return this.parseIdent()},lt.parseBindingList=function(t,e,i){for(var s=this,r=[],a=!0;!this.eat(t);)if(a?a=!1:s.expect(z.comma),e&&s.type===z.comma)r.push(null);else{if(i&&s.afterTrailingComma(t))break;if(s.type===z.ellipsis){var n=s.parseRestBinding();s.parseBindingListItem(n),r.push(n),s.type===z.comma&&s.raise(s.start,"Comma is not permitted after the rest element"),s.expect(t);break}var o=s.parseMaybeDefault(s.start,s.startLoc);s.parseBindingListItem(o),r.push(o)}return r},lt.parseBindingListItem=function(t){return t},lt.parseMaybeDefault=function(t,e,i){if(i=i||this.parseBindingAtom(),this.options.ecmaVersion<6||!this.eat(z.eq))return i;var s=this.startNodeAt(t,e);return s.left=i,s.right=this.parseMaybeAssign(),this.finishNode(s,"AssignmentPattern")},lt.checkLVal=function(t,e,i){var s=this;switch(t.type){case"Identifier":this.strict&&this.reservedWordsStrictBind.test(t.name)&&this.raiseRecoverable(t.start,(e?"Binding ":"Assigning to ")+t.name+" in strict mode"),i&&(o(i,t.name)&&this.raiseRecoverable(t.start,"Argument name clash"),i[t.name]=!0),e&&"none"!==e&&(("var"===e&&!this.canDeclareVarName(t.name)||"var"!==e&&!this.canDeclareLexicalName(t.name))&&this.raiseRecoverable(t.start,"Identifier '"+t.name+"' has already been declared"),"var"===e?this.declareVarName(t.name):this.declareLexicalName(t.name));break;case"MemberExpression":e&&this.raiseRecoverable(t.start,"Binding member expression");break;case"ObjectPattern":for(var r=0,a=t.properties;r<a.length;r+=1){var n=a[r];s.checkLVal(n,e,i)}break;case"Property":this.checkLVal(t.value,e,i);break;case"ArrayPattern":for(var h=0,p=t.elements;h<p.length;h+=1){var c=p[h];c&&s.checkLVal(c,e,i)}break;case"AssignmentPattern":this.checkLVal(t.left,e,i);break;case"RestElement":this.checkLVal(t.argument,e,i);break;case"ParenthesizedExpression":this.checkLVal(t.expression,e,i);break;default:this.raise(t.start,(e?"Binding":"Assigning to")+" rvalue")}};var dt=at.prototype;dt.checkPropClash=function(t,e,i){if(!(this.options.ecmaVersion>=9&&"SpreadElement"===t.type||this.options.ecmaVersion>=6&&(t.computed||t.method||t.shorthand))){var s,r=t.key;switch(r.type){case"Identifier":s=r.name;break;case"Literal":s=String(r.value);break;default:return}var a=t.kind;if(this.options.ecmaVersion>=6)return void("__proto__"===s&&"init"===a&&(e.proto&&(i&&i.doubleProto<0?i.doubleProto=r.start:this.raiseRecoverable(r.start,"Redefinition of __proto__ property")),e.proto=!0));s="$"+s;var n=e[s];if(n){var o;o="init"===a?this.strict&&n.init||n.get||n.set:n.init||n[a],o&&this.raiseRecoverable(r.start,"Redefinition of property")}else n=e[s]={init:!1,get:!1,set:!1};n[a]=!0}},dt.parseExpression=function(t,e){var i=this,s=this.start,r=this.startLoc,a=this.parseMaybeAssign(t,e);if(this.type===z.comma){var n=this.startNodeAt(s,r);for(n.expressions=[a];this.eat(z.comma);)n.expressions.push(i.parseMaybeAssign(t,e));return this.finishNode(n,"SequenceExpression")}return a},dt.parseMaybeAssign=function(t,e,i){if(this.inGenerator&&this.isContextual("yield"))return this.parseYield();var s=!1,r=-1,a=-1;e?(r=e.parenthesizedAssign,a=e.trailingComma,e.parenthesizedAssign=e.trailingComma=-1):(e=new l,s=!0);var n=this.start,o=this.startLoc;this.type!==z.parenL&&this.type!==z.name||(this.potentialArrowAt=this.start);var h=this.parseMaybeConditional(t,e);if(i&&(h=i.call(this,h,n,o)),this.type.isAssign){var p=this.startNodeAt(n,o);return p.operator=this.value,p.left=this.type===z.eq?this.toAssignable(h,!1,e):h,s||l.call(e),e.shorthandAssign=-1,this.checkLVal(h),this.next(),p.right=this.parseMaybeAssign(t),this.finishNode(p,"AssignmentExpression")}return s&&this.checkExpressionErrors(e,!0),r>-1&&(e.parenthesizedAssign=r),a>-1&&(e.trailingComma=a),h},dt.parseMaybeConditional=function(t,e){var i=this.start,s=this.startLoc,r=this.parseExprOps(t,e);if(this.checkExpressionErrors(e))return r;if(this.eat(z.question)){var a=this.startNodeAt(i,s);return a.test=r,a.consequent=this.parseMaybeAssign(),this.expect(z.colon),a.alternate=this.parseMaybeAssign(t),this.finishNode(a,"ConditionalExpression")}return r},dt.parseExprOps=function(t,e){var i=this.start,s=this.startLoc,r=this.parseMaybeUnary(e,!1);return this.checkExpressionErrors(e)?r:r.start===i&&"ArrowFunctionExpression"===r.type?r:this.parseExprOp(r,i,s,-1,t)},dt.parseExprOp=function(t,e,i,s,r){var a=this.type.binop;if(null!=a&&(!r||this.type!==z._in)&&a>s){var n=this.type===z.logicalOR||this.type===z.logicalAND,o=this.value;this.next();var h=this.start,p=this.startLoc,c=this.parseExprOp(this.parseMaybeUnary(null,!1),h,p,a,r),u=this.buildBinary(e,i,t,c,o,n);return this.parseExprOp(u,e,i,s,r)}return t},dt.buildBinary=function(t,e,i,s,r,a){var n=this.startNodeAt(t,e);return n.left=i,n.operator=r,n.right=s,this.finishNode(n,a?"LogicalExpression":"BinaryExpression")},dt.parseMaybeUnary=function(t,e){var i,s=this,r=this.start,a=this.startLoc;if(this.isContextual("await")&&(this.inAsync||!this.inFunction&&this.options.allowAwaitOutsideFunction))i=this.parseAwait(),e=!0;else if(this.type.prefix){var n=this.startNode(),o=this.type===z.incDec;n.operator=this.value,n.prefix=!0,this.next(),n.argument=this.parseMaybeUnary(null,!0),this.checkExpressionErrors(t,!0),o?this.checkLVal(n.argument):this.strict&&"delete"===n.operator&&"Identifier"===n.argument.type?this.raiseRecoverable(n.start,"Deleting local variable in strict mode"):e=!0,i=this.finishNode(n,o?"UpdateExpression":"UnaryExpression")}else{if(i=this.parseExprSubscripts(t),this.checkExpressionErrors(t))return i;for(;this.type.postfix&&!this.canInsertSemicolon();){var h=s.startNodeAt(r,a);h.operator=s.value,h.prefix=!1,h.argument=i,s.checkLVal(i),s.next(),i=s.finishNode(h,"UpdateExpression")}}return!e&&this.eat(z.starstar)?this.buildBinary(r,a,i,this.parseMaybeUnary(null,!1),"**",!1):i},dt.parseExprSubscripts=function(t){var e=this.start,i=this.startLoc,s=this.parseExprAtom(t),r="ArrowFunctionExpression"===s.type&&")"!==this.input.slice(this.lastTokStart,this.lastTokEnd);if(this.checkExpressionErrors(t)||r)return s;var a=this.parseSubscripts(s,e,i);return t&&"MemberExpression"===a.type&&(t.parenthesizedAssign>=a.start&&(t.parenthesizedAssign=-1),t.parenthesizedBind>=a.start&&(t.parenthesizedBind=-1)),a},dt.parseSubscripts=function(t,e,i,s){for(var r=this,a=this.options.ecmaVersion>=8&&"Identifier"===t.type&&"async"===t.name&&this.lastTokEnd===t.end&&!this.canInsertSemicolon()&&"async"===this.input.slice(t.start,t.end),n=void 0;;)if((n=r.eat(z.bracketL))||r.eat(z.dot)){var o=r.startNodeAt(e,i);o.object=t,o.property=n?r.parseExpression():r.parseIdent(!0),o.computed=!!n,n&&r.expect(z.bracketR),t=r.finishNode(o,"MemberExpression")}else if(!s&&r.eat(z.parenL)){var h=new l,p=r.yieldPos,c=r.awaitPos;r.yieldPos=0,r.awaitPos=0;var u=r.parseExprList(z.parenR,r.options.ecmaVersion>=8,!1,h);if(a&&!r.canInsertSemicolon()&&r.eat(z.arrow))return r.checkPatternErrors(h,!1),r.checkYieldAwaitInDefaultParams(),r.yieldPos=p,r.awaitPos=c,r.parseArrowExpression(r.startNodeAt(e,i),u,!0);r.checkExpressionErrors(h,!0),r.yieldPos=p||r.yieldPos,r.awaitPos=c||r.awaitPos;var d=r.startNodeAt(e,i);d.callee=t,d.arguments=u,t=r.finishNode(d,"CallExpression")}else{if(r.type!==z.backQuote)return t;var f=r.startNodeAt(e,i);f.tag=t,f.quasi=r.parseTemplate({isTagged:!0}),t=r.finishNode(f,"TaggedTemplateExpression")}},dt.parseExprAtom=function(t){var e,i=this.potentialArrowAt===this.start;switch(this.type){case z._super:return this.inFunction||this.raise(this.start,"'super' outside of function or class"),e=this.startNode(),this.next(),this.type!==z.dot&&this.type!==z.bracketL&&this.type!==z.parenL&&this.unexpected(),this.finishNode(e,"Super");case z._this:return e=this.startNode(),this.next(),this.finishNode(e,"ThisExpression");case z.name:var s=this.start,r=this.startLoc,a=this.containsEsc,n=this.parseIdent(this.type!==z.name);if(this.options.ecmaVersion>=8&&!a&&"async"===n.name&&!this.canInsertSemicolon()&&this.eat(z._function))return this.parseFunction(this.startNodeAt(s,r),!1,!1,!0);if(i&&!this.canInsertSemicolon()){if(this.eat(z.arrow))return this.parseArrowExpression(this.startNodeAt(s,r),[n],!1);if(this.options.ecmaVersion>=8&&"async"===n.name&&this.type===z.name&&!a)return n=this.parseIdent(),!this.canInsertSemicolon()&&this.eat(z.arrow)||this.unexpected(),this.parseArrowExpression(this.startNodeAt(s,r),[n],!0)}return n;case z.regexp:var o=this.value;return e=this.parseLiteral(o.value),e.regex={pattern:o.pattern,flags:o.flags},e;case z.num:case z.string:return this.parseLiteral(this.value);case z._null:case z._true:case z._false:return e=this.startNode(),e.value=this.type===z._null?null:this.type===z._true,e.raw=this.type.keyword,this.next(),this.finishNode(e,"Literal");case z.parenL:var h=this.start,p=this.parseParenAndDistinguishExpression(i);return t&&(t.parenthesizedAssign<0&&!this.isSimpleAssignTarget(p)&&(t.parenthesizedAssign=h),t.parenthesizedBind<0&&(t.parenthesizedBind=h)),p;case z.bracketL:return e=this.startNode(),this.next(),e.elements=this.parseExprList(z.bracketR,!0,!0,t),this.finishNode(e,"ArrayExpression");case z.braceL:return this.parseObj(!1,t);case z._function:return e=this.startNode(),this.next(),this.parseFunction(e,!1);case z._class:return this.parseClass(this.startNode(),!1);case z._new:return this.parseNew();case z.backQuote:return this.parseTemplate();default:this.unexpected()}},dt.parseLiteral=function(t){var e=this.startNode();return e.value=t,e.raw=this.input.slice(this.start,this.end),this.next(),this.finishNode(e,"Literal")},dt.parseParenExpression=function(){this.expect(z.parenL);var t=this.parseExpression();return this.expect(z.parenR),t},dt.parseParenAndDistinguishExpression=function(t){var e,i=this,s=this.start,r=this.startLoc,a=this.options.ecmaVersion>=8;if(this.options.ecmaVersion>=6){this.next();var n,o=this.start,h=this.startLoc,p=[],c=!0,u=!1,d=new l,f=this.yieldPos,m=this.awaitPos;for(this.yieldPos=0,this.awaitPos=0;this.type!==z.parenR;){if(c?c=!1:i.expect(z.comma),a&&i.afterTrailingComma(z.parenR,!0)){u=!0;break}if(i.type===z.ellipsis){n=i.start,p.push(i.parseParenItem(i.parseRestBinding())),i.type===z.comma&&i.raise(i.start,"Comma is not permitted after the rest element");break}p.push(i.parseMaybeAssign(!1,d,i.parseParenItem))}var x=this.start,g=this.startLoc;if(this.expect(z.parenR),t&&!this.canInsertSemicolon()&&this.eat(z.arrow))return this.checkPatternErrors(d,!1),this.checkYieldAwaitInDefaultParams(),this.yieldPos=f,this.awaitPos=m,this.parseParenArrowList(s,r,p);p.length&&!u||this.unexpected(this.lastTokStart),n&&this.unexpected(n),this.checkExpressionErrors(d,!0),this.yieldPos=f||this.yieldPos,this.awaitPos=m||this.awaitPos,p.length>1?(e=this.startNodeAt(o,h),e.expressions=p,this.finishNodeAt(e,"SequenceExpression",x,g)):e=p[0]}else e=this.parseParenExpression();if(this.options.preserveParens){var v=this.startNodeAt(s,r);return v.expression=e,this.finishNode(v,"ParenthesizedExpression")}return e},dt.parseParenItem=function(t){return t},dt.parseParenArrowList=function(t,e,i){return this.parseArrowExpression(this.startNodeAt(t,e),i)};var ft=[];dt.parseNew=function(){var t=this.startNode(),e=this.parseIdent(!0);if(this.options.ecmaVersion>=6&&this.eat(z.dot)){t.meta=e;var i=this.containsEsc;return t.property=this.parseIdent(!0),("target"!==t.property.name||i)&&this.raiseRecoverable(t.property.start,"The only valid meta property for new is new.target"),this.inFunction||this.raiseRecoverable(t.start,"new.target can only be used in functions"),this.finishNode(t,"MetaProperty")}var s=this.start,r=this.startLoc;return t.callee=this.parseSubscripts(this.parseExprAtom(),s,r,!0),this.eat(z.parenL)?t.arguments=this.parseExprList(z.parenR,this.options.ecmaVersion>=8,!1):t.arguments=ft,this.finishNode(t,"NewExpression")},dt.parseTemplateElement=function(t){var e=t.isTagged,i=this.startNode();return this.type===z.invalidTemplate?(e||this.raiseRecoverable(this.start,"Bad escape sequence in untagged template literal"),i.value={raw:this.value,cooked:null}):i.value={raw:this.input.slice(this.start,this.end).replace(/\r\n?/g,"\n"),cooked:this.value},this.next(),i.tail=this.type===z.backQuote,this.finishNode(i,"TemplateElement")},dt.parseTemplate=function(t){var e=this;void 0===t&&(t={});var i=t.isTagged;void 0===i&&(i=!1);var s=this.startNode();this.next(),s.expressions=[];var r=this.parseTemplateElement({isTagged:i});for(s.quasis=[r];!r.tail;)e.expect(z.dollarBraceL),s.expressions.push(e.parseExpression()),e.expect(z.braceR),s.quasis.push(r=e.parseTemplateElement({isTagged:i}));return this.next(),this.finishNode(s,"TemplateLiteral")},dt.isAsyncProp=function(t){return!t.computed&&"Identifier"===t.key.type&&"async"===t.key.name&&(this.type===z.name||this.type===z.num||this.type===z.string||this.type===z.bracketL||this.type.keyword||this.options.ecmaVersion>=9&&this.type===z.star)&&!Q.test(this.input.slice(this.lastTokEnd,this.start))},dt.parseObj=function(t,e){var i=this,s=this.startNode(),r=!0,a={};for(s.properties=[],this.next();!this.eat(z.braceR);){if(r)r=!1;else if(i.expect(z.comma),i.afterTrailingComma(z.braceR))break;var n=i.parseProperty(t,e);t||i.checkPropClash(n,a,e),s.properties.push(n)}return this.finishNode(s,t?"ObjectPattern":"ObjectExpression")},dt.parseProperty=function(t,e){var i,s,r,a,n=this.startNode();if(this.options.ecmaVersion>=9&&this.eat(z.ellipsis))return t?(n.argument=this.parseIdent(!1),this.type===z.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.finishNode(n,"RestElement")):(this.type===z.parenL&&e&&(e.parenthesizedAssign<0&&(e.parenthesizedAssign=this.start),e.parenthesizedBind<0&&(e.parenthesizedBind=this.start)),n.argument=this.parseMaybeAssign(!1,e),this.type===z.comma&&e&&e.trailingComma<0&&(e.trailingComma=this.start),this.finishNode(n,"SpreadElement"));this.options.ecmaVersion>=6&&(n.method=!1,n.shorthand=!1,(t||e)&&(r=this.start,a=this.startLoc),t||(i=this.eat(z.star)));var o=this.containsEsc;return this.parsePropertyName(n),!t&&!o&&this.options.ecmaVersion>=8&&!i&&this.isAsyncProp(n)?(s=!0,i=this.options.ecmaVersion>=9&&this.eat(z.star),this.parsePropertyName(n,e)):s=!1,this.parsePropertyValue(n,t,i,s,r,a,e,o),this.finishNode(n,"Property")},dt.parsePropertyValue=function(t,e,i,s,r,a,n,o){if((i||s)&&this.type===z.colon&&this.unexpected(),this.eat(z.colon))t.value=e?this.parseMaybeDefault(this.start,this.startLoc):this.parseMaybeAssign(!1,n),t.kind="init";else if(this.options.ecmaVersion>=6&&this.type===z.parenL)e&&this.unexpected(),t.kind="init",t.method=!0,t.value=this.parseMethod(i,s);else if(e||o||!(this.options.ecmaVersion>=5)||t.computed||"Identifier"!==t.key.type||"get"!==t.key.name&&"set"!==t.key.name||this.type===z.comma||this.type===z.braceR)this.options.ecmaVersion>=6&&!t.computed&&"Identifier"===t.key.type?(this.checkUnreserved(t.key),t.kind="init",e?t.value=this.parseMaybeDefault(r,a,t.key):this.type===z.eq&&n?(n.shorthandAssign<0&&(n.shorthandAssign=this.start),t.value=this.parseMaybeDefault(r,a,t.key)):t.value=t.key,t.shorthand=!0):this.unexpected();else{(i||s)&&this.unexpected(),t.kind=t.key.name,this.parsePropertyName(t),t.value=this.parseMethod(!1);var h="get"===t.kind?0:1;if(t.value.params.length!==h){var p=t.value.start;"get"===t.kind?this.raiseRecoverable(p,"getter should have no params"):this.raiseRecoverable(p,"setter should have exactly one param")}else"set"===t.kind&&"RestElement"===t.value.params[0].type&&this.raiseRecoverable(t.value.params[0].start,"Setter cannot use rest params")}},dt.parsePropertyName=function(t){if(this.options.ecmaVersion>=6){if(this.eat(z.bracketL))return t.computed=!0,t.key=this.parseMaybeAssign(),this.expect(z.bracketR),t.key;t.computed=!1}return t.key=this.type===z.num||this.type===z.string?this.parseExprAtom():this.parseIdent(!0)},dt.initFunction=function(t){t.id=null,this.options.ecmaVersion>=6&&(t.generator=!1,t.expression=!1),this.options.ecmaVersion>=8&&(t.async=!1)},dt.parseMethod=function(t,e){var i=this.startNode(),s=this.inGenerator,r=this.inAsync,a=this.yieldPos,n=this.awaitPos,o=this.inFunction;return this.initFunction(i),this.options.ecmaVersion>=6&&(i.generator=t),this.options.ecmaVersion>=8&&(i.async=!!e),this.inGenerator=i.generator,this.inAsync=i.async,this.yieldPos=0,this.awaitPos=0,this.inFunction=!0,this.enterFunctionScope(),this.expect(z.parenL),i.params=this.parseBindingList(z.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams(),this.parseFunctionBody(i,!1),this.inGenerator=s,this.inAsync=r,this.yieldPos=a,this.awaitPos=n,this.inFunction=o,this.finishNode(i,"FunctionExpression")},dt.parseArrowExpression=function(t,e,i){var s=this.inGenerator,r=this.inAsync,a=this.yieldPos,n=this.awaitPos,o=this.inFunction;return this.enterFunctionScope(),this.initFunction(t),this.options.ecmaVersion>=8&&(t.async=!!i),this.inGenerator=!1,this.inAsync=t.async,this.yieldPos=0,this.awaitPos=0,this.inFunction=!0,t.params=this.toAssignableList(e,!0),this.parseFunctionBody(t,!0),this.inGenerator=s,this.inAsync=r,this.yieldPos=a,this.awaitPos=n,this.inFunction=o,this.finishNode(t,"ArrowFunctionExpression")},dt.parseFunctionBody=function(t,e){var i=e&&this.type!==z.braceL,s=this.strict,r=!1;if(i)t.body=this.parseMaybeAssign(),t.expression=!0,this.checkParams(t,!1);else{var a=this.options.ecmaVersion>=7&&!this.isSimpleParamList(t.params);s&&!a||(r=this.strictDirective(this.end))&&a&&this.raiseRecoverable(t.start,"Illegal 'use strict' directive in function with non-simple parameter list");var n=this.labels;this.labels=[],r&&(this.strict=!0),this.checkParams(t,!s&&!r&&!e&&this.isSimpleParamList(t.params)),t.body=this.parseBlock(!1),t.expression=!1,this.adaptDirectivePrologue(t.body.body),this.labels=n}this.exitFunctionScope(),this.strict&&t.id&&this.checkLVal(t.id,"none"),this.strict=s},dt.isSimpleParamList=function(t){for(var e=0,i=t;e<i.length;e+=1){if("Identifier"!==i[e].type)return!1}return!0},dt.checkParams=function(t,e){for(var i=this,s={},r=0,a=t.params;r<a.length;r+=1){var n=a[r];i.checkLVal(n,"var",e?null:s)}},dt.parseExprList=function(t,e,i,s){for(var r=this,a=[],n=!0;!this.eat(t);){if(n)n=!1;else if(r.expect(z.comma),e&&r.afterTrailingComma(t))break;var o=void 0;i&&r.type===z.comma?o=null:r.type===z.ellipsis?(o=r.parseSpread(s),s&&r.type===z.comma&&s.trailingComma<0&&(s.trailingComma=r.start)):o=r.parseMaybeAssign(!1,s),a.push(o)}return a},dt.checkUnreserved=function(t){var e=t.start,i=t.end,s=t.name;if(this.inGenerator&&"yield"===s&&this.raiseRecoverable(e,"Can not use 'yield' as identifier inside a generator"),this.inAsync&&"await"===s&&this.raiseRecoverable(e,"Can not use 'await' as identifier inside an async function"),this.isKeyword(s)&&this.raise(e,"Unexpected keyword '"+s+"'"),!(this.options.ecmaVersion<6&&-1!==this.input.slice(e,i).indexOf("\\"))){(this.strict?this.reservedWordsStrict:this.reservedWords).test(s)&&(this.inAsync||"await"!==s||this.raiseRecoverable(e,"Can not use keyword 'await' outside an async function"),this.raiseRecoverable(e,"The keyword '"+s+"' is reserved"))}},dt.parseIdent=function(t,e){var i=this.startNode();return t&&"never"===this.options.allowReserved&&(t=!1),this.type===z.name?i.name=this.value:this.type.keyword?(i.name=this.type.keyword,"class"!==i.name&&"function"!==i.name||this.lastTokEnd===this.lastTokStart+1&&46===this.input.charCodeAt(this.lastTokStart)||this.context.pop()):this.unexpected(),this.next(),this.finishNode(i,"Identifier"),t||this.checkUnreserved(i),i},dt.parseYield=function(){this.yieldPos||(this.yieldPos=this.start);var t=this.startNode();return this.next(),this.type===z.semi||this.canInsertSemicolon()||this.type!==z.star&&!this.type.startsExpr?(t.delegate=!1,t.argument=null):(t.delegate=this.eat(z.star),t.argument=this.parseMaybeAssign()),this.finishNode(t,"YieldExpression")},dt.parseAwait=function(){this.awaitPos||(this.awaitPos=this.start);var t=this.startNode();return this.next(),t.argument=this.parseMaybeUnary(null,!0),this.finishNode(t,"AwaitExpression")};var mt=at.prototype;mt.raise=function(t,e){var i=h(this.input,t);e+=" ("+i.line+":"+i.column+")";var s=new SyntaxError(e);throw s.pos=t,s.loc=i,s.raisedAt=this.pos,s},mt.raiseRecoverable=mt.raise,mt.curPosition=function(){if(this.options.locations)return new et(this.curLine,this.pos-this.lineStart)};var xt=at.prototype,gt=Object.assign||function(t){for(var e=[],i=arguments.length-1;i-- >0;)e[i]=arguments[i+1];for(var s=0,r=e;s<r.length;s+=1){var a=r[s];for(var n in a)o(a,n)&&(t[n]=a[n])}return t};xt.enterFunctionScope=function(){this.scopeStack.push({var:{},lexical:{},childVar:{},parentLexical:{}})},xt.exitFunctionScope=function(){this.scopeStack.pop()},xt.enterLexicalScope=function(){var t=this.scopeStack[this.scopeStack.length-1],e={var:{},lexical:{},childVar:{},parentLexical:{}};this.scopeStack.push(e),gt(e.parentLexical,t.lexical,t.parentLexical)},xt.exitLexicalScope=function(){var t=this.scopeStack.pop(),e=this.scopeStack[this.scopeStack.length-1];gt(e.childVar,t.var,t.childVar)},xt.canDeclareVarName=function(t){var e=this.scopeStack[this.scopeStack.length-1];return!o(e.lexical,t)&&!o(e.parentLexical,t)},xt.canDeclareLexicalName=function(t){var e=this.scopeStack[this.scopeStack.length-1];return!o(e.lexical,t)&&!o(e.var,t)&&!o(e.childVar,t)},xt.declareVarName=function(t){this.scopeStack[this.scopeStack.length-1].var[t]=!0},xt.declareLexicalName=function(t){this.scopeStack[this.scopeStack.length-1].lexical[t]=!0};var vt=function(t,e,i){this.type="",this.start=e,this.end=0,t.options.locations&&(this.loc=new it(t,i)),t.options.directSourceFile&&(this.sourceFile=t.options.directSourceFile),t.options.ranges&&(this.range=[e,0])},yt=at.prototype;yt.startNode=function(){return new vt(this,this.start,this.startLoc)},yt.startNodeAt=function(t,e){return new vt(this,t,e)},yt.finishNode=function(t,e){return d.call(this,t,e,this.lastTokEnd,this.lastTokEndLoc)},yt.finishNodeAt=function(t,e,i,s){return d.call(this,t,e,i,s)};var _t=function(t,e,i,s,r){this.token=t,this.isExpr=!!e,this.preserveSpace=!!i,this.override=s,this.generator=!!r},bt={b_stat:new _t("{",!1),b_expr:new _t("{",!0),b_tmpl:new _t("${",!1),p_stat:new _t("(",!1),p_expr:new _t("(",!0),q_tmpl:new _t("`",!0,!0,function(t){return t.tryReadTemplateToken()}),f_stat:new _t("function",!1),f_expr:new _t("function",!0),f_expr_gen:new _t("function",!0,!1,null,!0),f_gen:new _t("function",!1,!1,null,!0)},kt=at.prototype;kt.initialContext=function(){return[bt.b_stat]},kt.braceIsBlock=function(t){var e=this.curContext();return e===bt.f_expr||e===bt.f_stat||(t!==z.colon||e!==bt.b_stat&&e!==bt.b_expr?t===z._return||t===z.name&&this.exprAllowed?Q.test(this.input.slice(this.lastTokEnd,this.start)):t===z._else||t===z.semi||t===z.eof||t===z.parenR||t===z.arrow||(t===z.braceL?e===bt.b_stat:t!==z._var&&t!==z.name&&!this.exprAllowed):!e.isExpr)},kt.inGeneratorContext=function(){for(var t=this,e=this.context.length-1;e>=1;e--){var i=t.context[e];if("function"===i.token)return i.generator}return!1},kt.updateContext=function(t){var e,i=this.type;i.keyword&&t===z.dot?this.exprAllowed=!1:(e=i.updateContext)?e.call(this,t):this.exprAllowed=i.beforeExpr},z.parenR.updateContext=z.braceR.updateContext=function(){if(1===this.context.length)return void(this.exprAllowed=!0);var t=this.context.pop();t===bt.b_stat&&"function"===this.curContext().token&&(t=this.context.pop()),this.exprAllowed=!t.isExpr},z.braceL.updateContext=function(t){this.context.push(this.braceIsBlock(t)?bt.b_stat:bt.b_expr),this.exprAllowed=!0},z.dollarBraceL.updateContext=function(){this.context.push(bt.b_tmpl),this.exprAllowed=!0},z.parenL.updateContext=function(t){var e=t===z._if||t===z._for||t===z._with||t===z._while;this.context.push(e?bt.p_stat:bt.p_expr),this.exprAllowed=!0},z.incDec.updateContext=function(){},z._function.updateContext=z._class.updateContext=function(t){t.beforeExpr&&t!==z.semi&&t!==z._else&&(t!==z.colon&&t!==z.braceL||this.curContext()!==bt.b_stat)?this.context.push(bt.f_expr):this.context.push(bt.f_stat),this.exprAllowed=!1},z.backQuote.updateContext=function(){this.curContext()===bt.q_tmpl?this.context.pop():this.context.push(bt.q_tmpl),this.exprAllowed=!1},z.star.updateContext=function(t){if(t===z._function){var e=this.context.length-1;this.context[e]===bt.f_expr?this.context[e]=bt.f_expr_gen:this.context[e]=bt.f_gen}this.exprAllowed=!0},z.name.updateContext=function(t){var e=!1;this.options.ecmaVersion>=6&&("of"===this.value&&!this.exprAllowed||"yield"===this.value&&this.inGeneratorContext())&&(e=!0),this.exprAllowed=e};var Ct={$LONE:["ASCII","ASCII_Hex_Digit","AHex","Alphabetic","Alpha","Any","Assigned","Bidi_Control","Bidi_C","Bidi_Mirrored","Bidi_M","Case_Ignorable","CI","Cased","Changes_When_Casefolded","CWCF","Changes_When_Casemapped","CWCM","Changes_When_Lowercased","CWL","Changes_When_NFKC_Casefolded","CWKCF","Changes_When_Titlecased","CWT","Changes_When_Uppercased","CWU","Dash","Default_Ignorable_Code_Point","DI","Deprecated","Dep","Diacritic","Dia","Emoji","Emoji_Component","Emoji_Modifier","Emoji_Modifier_Base","Emoji_Presentation","Extender","Ext","Grapheme_Base","Gr_Base","Grapheme_Extend","Gr_Ext","Hex_Digit","Hex","IDS_Binary_Operator","IDSB","IDS_Trinary_Operator","IDST","ID_Continue","IDC","ID_Start","IDS","Ideographic","Ideo","Join_Control","Join_C","Logical_Order_Exception","LOE","Lowercase","Lower","Math","Noncharacter_Code_Point","NChar","Pattern_Syntax","Pat_Syn","Pattern_White_Space","Pat_WS","Quotation_Mark","QMark","Radical","Regional_Indicator","RI","Sentence_Terminal","STerm","Soft_Dotted","SD","Terminal_Punctuation","Term","Unified_Ideograph","UIdeo","Uppercase","Upper","Variation_Selector","VS","White_Space","space","XID_Continue","XIDC","XID_Start","XIDS"],General_Category:["Cased_Letter","LC","Close_Punctuation","Pe","Connector_Punctuation","Pc","Control","Cc","cntrl","Currency_Symbol","Sc","Dash_Punctuation","Pd","Decimal_Number","Nd","digit","Enclosing_Mark","Me","Final_Punctuation","Pf","Format","Cf","Initial_Punctuation","Pi","Letter","L","Letter_Number","Nl","Line_Separator","Zl","Lowercase_Letter","Ll","Mark","M","Combining_Mark","Math_Symbol","Sm","Modifier_Letter","Lm","Modifier_Symbol","Sk","Nonspacing_Mark","Mn","Number","N","Open_Punctuation","Ps","Other","C","Other_Letter","Lo","Other_Number","No","Other_Punctuation","Po","Other_Symbol","So","Paragraph_Separator","Zp","Private_Use","Co","Punctuation","P","punct","Separator","Z","Space_Separator","Zs","Spacing_Mark","Mc","Surrogate","Cs","Symbol","S","Titlecase_Letter","Lt","Unassigned","Cn","Uppercase_Letter","Lu"],Script:["Adlam","Adlm","Ahom","Anatolian_Hieroglyphs","Hluw","Arabic","Arab","Armenian","Armn","Avestan","Avst","Balinese","Bali","Bamum","Bamu","Bassa_Vah","Bass","Batak","Batk","Bengali","Beng","Bhaiksuki","Bhks","Bopomofo","Bopo","Brahmi","Brah","Braille","Brai","Buginese","Bugi","Buhid","Buhd","Canadian_Aboriginal","Cans","Carian","Cari","Caucasian_Albanian","Aghb","Chakma","Cakm","Cham","Cherokee","Cher","Common","Zyyy","Coptic","Copt","Qaac","Cuneiform","Xsux","Cypriot","Cprt","Cyrillic","Cyrl","Deseret","Dsrt","Devanagari","Deva","Duployan","Dupl","Egyptian_Hieroglyphs","Egyp","Elbasan","Elba","Ethiopic","Ethi","Georgian","Geor","Glagolitic","Glag","Gothic","Goth","Grantha","Gran","Greek","Grek","Gujarati","Gujr","Gurmukhi","Guru","Han","Hani","Hangul","Hang","Hanunoo","Hano","Hatran","Hatr","Hebrew","Hebr","Hiragana","Hira","Imperial_Aramaic","Armi","Inherited","Zinh","Qaai","Inscriptional_Pahlavi","Phli","Inscriptional_Parthian","Prti","Javanese","Java","Kaithi","Kthi","Kannada","Knda","Katakana","Kana","Kayah_Li","Kali","Kharoshthi","Khar","Khmer","Khmr","Khojki","Khoj","Khudawadi","Sind","Lao","Laoo","Latin","Latn","Lepcha","Lepc","Limbu","Limb","Linear_A","Lina","Linear_B","Linb","Lisu","Lycian","Lyci","Lydian","Lydi","Mahajani","Mahj","Malayalam","Mlym","Mandaic","Mand","Manichaean","Mani","Marchen","Marc","Masaram_Gondi","Gonm","Meetei_Mayek","Mtei","Mende_Kikakui","Mend","Meroitic_Cursive","Merc","Meroitic_Hieroglyphs","Mero","Miao","Plrd","Modi","Mongolian","Mong","Mro","Mroo","Multani","Mult","Myanmar","Mymr","Nabataean","Nbat","New_Tai_Lue","Talu","Newa","Nko","Nkoo","Nushu","Nshu","Ogham","Ogam","Ol_Chiki","Olck","Old_Hungarian","Hung","Old_Italic","Ital","Old_North_Arabian","Narb","Old_Permic","Perm","Old_Persian","Xpeo","Old_South_Arabian","Sarb","Old_Turkic","Orkh","Oriya","Orya","Osage","Osge","Osmanya","Osma","Pahawh_Hmong","Hmng","Palmyrene","Palm","Pau_Cin_Hau","Pauc","Phags_Pa","Phag","Phoenician","Phnx","Psalter_Pahlavi","Phlp","Rejang","Rjng","Runic","Runr","Samaritan","Samr","Saurashtra","Saur","Sharada","Shrd","Shavian","Shaw","Siddham","Sidd","SignWriting","Sgnw","Sinhala","Sinh","Sora_Sompeng","Sora","Soyombo","Soyo","Sundanese","Sund","Syloti_Nagri","Sylo","Syriac","Syrc","Tagalog","Tglg","Tagbanwa","Tagb","Tai_Le","Tale","Tai_Tham","Lana","Tai_Viet","Tavt","Takri","Takr","Tamil","Taml","Tangut","Tang","Telugu","Telu","Thaana","Thaa","Thai","Tibetan","Tibt","Tifinagh","Tfng","Tirhuta","Tirh","Ugaritic","Ugar","Vai","Vaii","Warang_Citi","Wara","Yi","Yiii","Zanabazar_Square","Zanb"]};Array.prototype.push.apply(Ct.$LONE,Ct.General_Category),Ct.gc=Ct.General_Category,Ct.sc=Ct.Script_Extensions=Ct.scx=Ct.Script;var St=at.prototype,Et=function(t){this.parser=t,this.validFlags="gim"+(t.options.ecmaVersion>=6?"uy":"")+(t.options.ecmaVersion>=9?"s":""),this.source="",this.flags="",this.start=0,this.switchU=!1,this.switchN=!1,this.pos=0,this.lastIntValue=0,this.lastStringValue="",this.lastAssertionIsQuantifiable=!1,this.numCapturingParens=0,this.maxBackReference=0,this.groupNames=[],this.backReferenceNames=[]};Et.prototype.reset=function(t,e,i){var s=-1!==i.indexOf("u");this.start=0|t,this.source=e+"",this.flags=i,this.switchU=s&&this.parser.options.ecmaVersion>=6,this.switchN=s&&this.parser.options.ecmaVersion>=9},Et.prototype.raise=function(t){this.parser.raiseRecoverable(this.start,"Invalid regular expression: /"+this.source+"/: "+t)},Et.prototype.at=function(t){var e=this.source,i=e.length;if(t>=i)return-1;var s=e.charCodeAt(t);return!this.switchU||s<=55295||s>=57344||t+1>=i?s:(s<<10)+e.charCodeAt(t+1)-56613888},
Et.prototype.nextIndex=function(t){var e=this.source,i=e.length;if(t>=i)return i;var s=e.charCodeAt(t);return!this.switchU||s<=55295||s>=57344||t+1>=i?t+1:t+2},Et.prototype.current=function(){return this.at(this.pos)},Et.prototype.lookahead=function(){return this.at(this.nextIndex(this.pos))},Et.prototype.advance=function(){this.pos=this.nextIndex(this.pos)},Et.prototype.eat=function(t){return this.current()===t&&(this.advance(),!0)},St.validateRegExpFlags=function(t){for(var e=this,i=t.validFlags,s=t.flags,r=0;r<s.length;r++){var a=s.charAt(r);-1===i.indexOf(a)&&e.raise(t.start,"Invalid regular expression flag"),s.indexOf(a,r+1)>-1&&e.raise(t.start,"Duplicate regular expression flag")}},St.validateRegExpPattern=function(t){this.regexp_pattern(t),!t.switchN&&this.options.ecmaVersion>=9&&t.groupNames.length>0&&(t.switchN=!0,this.regexp_pattern(t))},St.regexp_pattern=function(t){t.pos=0,t.lastIntValue=0,t.lastStringValue="",t.lastAssertionIsQuantifiable=!1,t.numCapturingParens=0,t.maxBackReference=0,t.groupNames.length=0,t.backReferenceNames.length=0,this.regexp_disjunction(t),t.pos!==t.source.length&&(t.eat(41)&&t.raise("Unmatched ')'"),(t.eat(93)||t.eat(125))&&t.raise("Lone quantifier brackets")),t.maxBackReference>t.numCapturingParens&&t.raise("Invalid escape");for(var e=0,i=t.backReferenceNames;e<i.length;e+=1){var s=i[e];-1===t.groupNames.indexOf(s)&&t.raise("Invalid named capture referenced")}},St.regexp_disjunction=function(t){var e=this;for(this.regexp_alternative(t);t.eat(124);)e.regexp_alternative(t);this.regexp_eatQuantifier(t,!0)&&t.raise("Nothing to repeat"),t.eat(123)&&t.raise("Lone quantifier brackets")},St.regexp_alternative=function(t){for(;t.pos<t.source.length&&this.regexp_eatTerm(t););},St.regexp_eatTerm=function(t){return this.regexp_eatAssertion(t)?(t.lastAssertionIsQuantifiable&&this.regexp_eatQuantifier(t)&&t.switchU&&t.raise("Invalid quantifier"),!0):!(t.switchU?!this.regexp_eatAtom(t):!this.regexp_eatExtendedAtom(t))&&(this.regexp_eatQuantifier(t),!0)},St.regexp_eatAssertion=function(t){var e=t.pos;if(t.lastAssertionIsQuantifiable=!1,t.eat(94)||t.eat(36))return!0;if(t.eat(92)){if(t.eat(66)||t.eat(98))return!0;t.pos=e}if(t.eat(40)&&t.eat(63)){var i=!1;if(this.options.ecmaVersion>=9&&(i=t.eat(60)),t.eat(61)||t.eat(33))return this.regexp_disjunction(t),t.eat(41)||t.raise("Unterminated group"),t.lastAssertionIsQuantifiable=!i,!0}return t.pos=e,!1},St.regexp_eatQuantifier=function(t,e){return void 0===e&&(e=!1),!!this.regexp_eatQuantifierPrefix(t,e)&&(t.eat(63),!0)},St.regexp_eatQuantifierPrefix=function(t,e){return t.eat(42)||t.eat(43)||t.eat(63)||this.regexp_eatBracedQuantifier(t,e)},St.regexp_eatBracedQuantifier=function(t,e){var i=t.pos;if(t.eat(123)){var s=0,r=-1;if(this.regexp_eatDecimalDigits(t)&&(s=t.lastIntValue,t.eat(44)&&this.regexp_eatDecimalDigits(t)&&(r=t.lastIntValue),t.eat(125)))return-1!==r&&r<s&&!e&&t.raise("numbers out of order in {} quantifier"),!0;t.switchU&&!e&&t.raise("Incomplete quantifier"),t.pos=i}return!1},St.regexp_eatAtom=function(t){return this.regexp_eatPatternCharacters(t)||t.eat(46)||this.regexp_eatReverseSolidusAtomEscape(t)||this.regexp_eatCharacterClass(t)||this.regexp_eatUncapturingGroup(t)||this.regexp_eatCapturingGroup(t)},St.regexp_eatReverseSolidusAtomEscape=function(t){var e=t.pos;if(t.eat(92)){if(this.regexp_eatAtomEscape(t))return!0;t.pos=e}return!1},St.regexp_eatUncapturingGroup=function(t){var e=t.pos;if(t.eat(40)){if(t.eat(63)&&t.eat(58)){if(this.regexp_disjunction(t),t.eat(41))return!0;t.raise("Unterminated group")}t.pos=e}return!1},St.regexp_eatCapturingGroup=function(t){if(t.eat(40)){if(this.options.ecmaVersion>=9?this.regexp_groupSpecifier(t):63===t.current()&&t.raise("Invalid group"),this.regexp_disjunction(t),t.eat(41))return t.numCapturingParens+=1,!0;t.raise("Unterminated group")}return!1},St.regexp_eatExtendedAtom=function(t){return t.eat(46)||this.regexp_eatReverseSolidusAtomEscape(t)||this.regexp_eatCharacterClass(t)||this.regexp_eatUncapturingGroup(t)||this.regexp_eatCapturingGroup(t)||this.regexp_eatInvalidBracedQuantifier(t)||this.regexp_eatExtendedPatternCharacter(t)},St.regexp_eatInvalidBracedQuantifier=function(t){return this.regexp_eatBracedQuantifier(t,!0)&&t.raise("Nothing to repeat"),!1},St.regexp_eatSyntaxCharacter=function(t){var e=t.current();return!!m(e)&&(t.lastIntValue=e,t.advance(),!0)},St.regexp_eatPatternCharacters=function(t){for(var e=t.pos,i=0;-1!==(i=t.current())&&!m(i);)t.advance();return t.pos!==e},St.regexp_eatExtendedPatternCharacter=function(t){var e=t.current();return!(-1===e||36===e||e>=40&&e<=43||46===e||63===e||91===e||94===e||124===e)&&(t.advance(),!0)},St.regexp_groupSpecifier=function(t){if(t.eat(63)){if(this.regexp_eatGroupName(t))return-1!==t.groupNames.indexOf(t.lastStringValue)&&t.raise("Duplicate capture group name"),void t.groupNames.push(t.lastStringValue);t.raise("Invalid group")}},St.regexp_eatGroupName=function(t){if(t.lastStringValue="",t.eat(60)){if(this.regexp_eatRegExpIdentifierName(t)&&t.eat(62))return!0;t.raise("Invalid capture group name")}return!1},St.regexp_eatRegExpIdentifierName=function(t){if(t.lastStringValue="",this.regexp_eatRegExpIdentifierStart(t)){for(t.lastStringValue+=f(t.lastIntValue);this.regexp_eatRegExpIdentifierPart(t);)t.lastStringValue+=f(t.lastIntValue);return!0}return!1},St.regexp_eatRegExpIdentifierStart=function(t){var e=t.pos,i=t.current();return t.advance(),92===i&&this.regexp_eatRegExpUnicodeEscapeSequence(t)&&(i=t.lastIntValue),x(i)?(t.lastIntValue=i,!0):(t.pos=e,!1)},St.regexp_eatRegExpIdentifierPart=function(t){var e=t.pos,i=t.current();return t.advance(),92===i&&this.regexp_eatRegExpUnicodeEscapeSequence(t)&&(i=t.lastIntValue),g(i)?(t.lastIntValue=i,!0):(t.pos=e,!1)},St.regexp_eatAtomEscape=function(t){return!!(this.regexp_eatBackReference(t)||this.regexp_eatCharacterClassEscape(t)||this.regexp_eatCharacterEscape(t)||t.switchN&&this.regexp_eatKGroupName(t))||(t.switchU&&(99===t.current()&&t.raise("Invalid unicode escape"),t.raise("Invalid escape")),!1)},St.regexp_eatBackReference=function(t){var e=t.pos;if(this.regexp_eatDecimalEscape(t)){var i=t.lastIntValue;if(t.switchU)return i>t.maxBackReference&&(t.maxBackReference=i),!0;if(i<=t.numCapturingParens)return!0;t.pos=e}return!1},St.regexp_eatKGroupName=function(t){if(t.eat(107)){if(this.regexp_eatGroupName(t))return t.backReferenceNames.push(t.lastStringValue),!0;t.raise("Invalid named reference")}return!1},St.regexp_eatCharacterEscape=function(t){return this.regexp_eatControlEscape(t)||this.regexp_eatCControlLetter(t)||this.regexp_eatZero(t)||this.regexp_eatHexEscapeSequence(t)||this.regexp_eatRegExpUnicodeEscapeSequence(t)||!t.switchU&&this.regexp_eatLegacyOctalEscapeSequence(t)||this.regexp_eatIdentityEscape(t)},St.regexp_eatCControlLetter=function(t){var e=t.pos;if(t.eat(99)){if(this.regexp_eatControlLetter(t))return!0;t.pos=e}return!1},St.regexp_eatZero=function(t){return 48===t.current()&&!C(t.lookahead())&&(t.lastIntValue=0,t.advance(),!0)},St.regexp_eatControlEscape=function(t){var e=t.current();return 116===e?(t.lastIntValue=9,t.advance(),!0):110===e?(t.lastIntValue=10,t.advance(),!0):118===e?(t.lastIntValue=11,t.advance(),!0):102===e?(t.lastIntValue=12,t.advance(),!0):114===e&&(t.lastIntValue=13,t.advance(),!0)},St.regexp_eatControlLetter=function(t){var e=t.current();return!!v(e)&&(t.lastIntValue=e%32,t.advance(),!0)},St.regexp_eatRegExpUnicodeEscapeSequence=function(t){var e=t.pos;if(t.eat(117)){if(this.regexp_eatFixedHexDigits(t,4)){var i=t.lastIntValue;if(t.switchU&&i>=55296&&i<=56319){var s=t.pos;if(t.eat(92)&&t.eat(117)&&this.regexp_eatFixedHexDigits(t,4)){var r=t.lastIntValue;if(r>=56320&&r<=57343)return t.lastIntValue=1024*(i-55296)+(r-56320)+65536,!0}t.pos=s,t.lastIntValue=i}return!0}if(t.switchU&&t.eat(123)&&this.regexp_eatHexDigits(t)&&t.eat(125)&&y(t.lastIntValue))return!0;t.switchU&&t.raise("Invalid unicode escape"),t.pos=e}return!1},St.regexp_eatIdentityEscape=function(t){if(t.switchU)return!!this.regexp_eatSyntaxCharacter(t)||!!t.eat(47)&&(t.lastIntValue=47,!0);var e=t.current();return!(99===e||t.switchN&&107===e)&&(t.lastIntValue=e,t.advance(),!0)},St.regexp_eatDecimalEscape=function(t){t.lastIntValue=0;var e=t.current();if(e>=49&&e<=57){do{t.lastIntValue=10*t.lastIntValue+(e-48),t.advance()}while((e=t.current())>=48&&e<=57);return!0}return!1},St.regexp_eatCharacterClassEscape=function(t){var e=t.current();if(_(e))return t.lastIntValue=-1,t.advance(),!0;if(t.switchU&&this.options.ecmaVersion>=9&&(80===e||112===e)){if(t.lastIntValue=-1,t.advance(),t.eat(123)&&this.regexp_eatUnicodePropertyValueExpression(t)&&t.eat(125))return!0;t.raise("Invalid property name")}return!1},St.regexp_eatUnicodePropertyValueExpression=function(t){var e=t.pos;if(this.regexp_eatUnicodePropertyName(t)&&t.eat(61)){var i=t.lastStringValue;if(this.regexp_eatUnicodePropertyValue(t)){var s=t.lastStringValue;return this.regexp_validateUnicodePropertyNameAndValue(t,i,s),!0}}if(t.pos=e,this.regexp_eatLoneUnicodePropertyNameOrValue(t)){var r=t.lastStringValue;return this.regexp_validateUnicodePropertyNameOrValue(t,r),!0}return!1},St.regexp_validateUnicodePropertyNameAndValue=function(t,e,i){Ct.hasOwnProperty(e)&&-1!==Ct[e].indexOf(i)||t.raise("Invalid property name")},St.regexp_validateUnicodePropertyNameOrValue=function(t,e){-1===Ct.$LONE.indexOf(e)&&t.raise("Invalid property name")},St.regexp_eatUnicodePropertyName=function(t){var e=0;for(t.lastStringValue="";b(e=t.current());)t.lastStringValue+=f(e),t.advance();return""!==t.lastStringValue},St.regexp_eatUnicodePropertyValue=function(t){var e=0;for(t.lastStringValue="";k(e=t.current());)t.lastStringValue+=f(e),t.advance();return""!==t.lastStringValue},St.regexp_eatLoneUnicodePropertyNameOrValue=function(t){return this.regexp_eatUnicodePropertyValue(t)},St.regexp_eatCharacterClass=function(t){if(t.eat(91)){if(t.eat(94),this.regexp_classRanges(t),t.eat(93))return!0;t.raise("Unterminated character class")}return!1},St.regexp_classRanges=function(t){for(var e=this;this.regexp_eatClassAtom(t);){var i=t.lastIntValue;if(t.eat(45)&&e.regexp_eatClassAtom(t)){var s=t.lastIntValue;!t.switchU||-1!==i&&-1!==s||t.raise("Invalid character class"),-1!==i&&-1!==s&&i>s&&t.raise("Range out of order in character class")}}},St.regexp_eatClassAtom=function(t){var e=t.pos;if(t.eat(92)){if(this.regexp_eatClassEscape(t))return!0;if(t.switchU){var i=t.current();(99===i||w(i))&&t.raise("Invalid class escape"),t.raise("Invalid escape")}t.pos=e}var s=t.current();return 93!==s&&(t.lastIntValue=s,t.advance(),!0)},St.regexp_eatClassEscape=function(t){var e=t.pos;if(t.eat(98))return t.lastIntValue=8,!0;if(t.switchU&&t.eat(45))return t.lastIntValue=45,!0;if(!t.switchU&&t.eat(99)){if(this.regexp_eatClassControlLetter(t))return!0;t.pos=e}return this.regexp_eatCharacterClassEscape(t)||this.regexp_eatCharacterEscape(t)},St.regexp_eatClassControlLetter=function(t){var e=t.current();return!(!C(e)&&95!==e)&&(t.lastIntValue=e%32,t.advance(),!0)},St.regexp_eatHexEscapeSequence=function(t){var e=t.pos;if(t.eat(120)){if(this.regexp_eatFixedHexDigits(t,2))return!0;t.switchU&&t.raise("Invalid escape"),t.pos=e}return!1},St.regexp_eatDecimalDigits=function(t){var e=t.pos,i=0;for(t.lastIntValue=0;C(i=t.current());)t.lastIntValue=10*t.lastIntValue+(i-48),t.advance();return t.pos!==e},St.regexp_eatHexDigits=function(t){var e=t.pos,i=0;for(t.lastIntValue=0;S(i=t.current());)t.lastIntValue=16*t.lastIntValue+E(i),t.advance();return t.pos!==e},St.regexp_eatLegacyOctalEscapeSequence=function(t){if(this.regexp_eatOctalDigit(t)){var e=t.lastIntValue;if(this.regexp_eatOctalDigit(t)){var i=t.lastIntValue;e<=3&&this.regexp_eatOctalDigit(t)?t.lastIntValue=64*e+8*i+t.lastIntValue:t.lastIntValue=8*e+i}else t.lastIntValue=e;return!0}return!1},St.regexp_eatOctalDigit=function(t){var e=t.current();return w(e)?(t.lastIntValue=e-48,t.advance(),!0):(t.lastIntValue=0,!1)},St.regexp_eatFixedHexDigits=function(t,e){var i=t.pos;t.lastIntValue=0;for(var s=0;s<e;++s){var r=t.current();if(!S(r))return t.pos=i,!1;t.lastIntValue=16*t.lastIntValue+E(r),t.advance()}return!0};var wt=function(t){this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,t.options.locations&&(this.loc=new it(t,t.startLoc,t.endLoc)),t.options.ranges&&(this.range=[t.start,t.end])},At=at.prototype;At.next=function(){this.options.onToken&&this.options.onToken(new wt(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()},At.getToken=function(){return this.next(),new wt(this)},"undefined"!=typeof Symbol&&(At[Symbol.iterator]=function(){var t=this;return{next:function(){var e=t.getToken();return{done:e.type===z.eof,value:e}}}}),At.curContext=function(){return this.context[this.context.length-1]},At.nextToken=function(){var t=this.curContext();return t&&t.preserveSpace||this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length?this.finishToken(z.eof):t.override?t.override(this):void this.readToken(this.fullCharCodeAtPos())},At.readToken=function(t){return i(t,this.options.ecmaVersion>=6)||92===t?this.readWord():this.getTokenFromCode(t)},At.fullCharCodeAtPos=function(){var t=this.input.charCodeAt(this.pos);return t<=55295||t>=57344?t:(t<<10)+this.input.charCodeAt(this.pos+1)-56613888},At.skipBlockComment=function(){var t=this,e=this.options.onComment&&this.curPosition(),i=this.pos,s=this.input.indexOf("*/",this.pos+=2);if(-1===s&&this.raise(this.pos-2,"Unterminated comment"),this.pos=s+2,this.options.locations){K.lastIndex=i;for(var r;(r=K.exec(this.input))&&r.index<this.pos;)++t.curLine,t.lineStart=r.index+r[0].length}this.options.onComment&&this.options.onComment(!0,this.input.slice(i+2,s),i,this.pos,e,this.curPosition())},At.skipLineComment=function(t){for(var e=this,i=this.pos,s=this.options.onComment&&this.curPosition(),r=this.input.charCodeAt(this.pos+=t);this.pos<this.input.length&&!n(r);)r=e.input.charCodeAt(++e.pos);this.options.onComment&&this.options.onComment(!1,this.input.slice(i+t,this.pos),i,this.pos,s,this.curPosition())},At.skipSpace=function(){var t=this;t:for(;this.pos<this.input.length;){var e=t.input.charCodeAt(t.pos);switch(e){case 32:case 160:++t.pos;break;case 13:10===t.input.charCodeAt(t.pos+1)&&++t.pos;case 10:case 8232:case 8233:++t.pos,t.options.locations&&(++t.curLine,t.lineStart=t.pos);break;case 47:switch(t.input.charCodeAt(t.pos+1)){case 42:t.skipBlockComment();break;case 47:t.skipLineComment(2);break;default:break t}break;default:if(!(e>8&&e<14||e>=5760&&X.test(String.fromCharCode(e))))break t;++t.pos}}},At.finishToken=function(t,e){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var i=this.type;this.type=t,this.value=e,this.updateContext(i)},At.readToken_dot=function(){var t=this.input.charCodeAt(this.pos+1);if(t>=48&&t<=57)return this.readNumber(!0);var e=this.input.charCodeAt(this.pos+2);return this.options.ecmaVersion>=6&&46===t&&46===e?(this.pos+=3,this.finishToken(z.ellipsis)):(++this.pos,this.finishToken(z.dot))},At.readToken_slash=function(){var t=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):61===t?this.finishOp(z.assign,2):this.finishOp(z.slash,1)},At.readToken_mult_modulo_exp=function(t){var e=this.input.charCodeAt(this.pos+1),i=1,s=42===t?z.star:z.modulo;return this.options.ecmaVersion>=7&&42===t&&42===e&&(++i,s=z.starstar,e=this.input.charCodeAt(this.pos+2)),61===e?this.finishOp(z.assign,i+1):this.finishOp(s,i)},At.readToken_pipe_amp=function(t){var e=this.input.charCodeAt(this.pos+1);return e===t?this.finishOp(124===t?z.logicalOR:z.logicalAND,2):61===e?this.finishOp(z.assign,2):this.finishOp(124===t?z.bitwiseOR:z.bitwiseAND,1)},At.readToken_caret=function(){return 61===this.input.charCodeAt(this.pos+1)?this.finishOp(z.assign,2):this.finishOp(z.bitwiseXOR,1)},At.readToken_plus_min=function(t){var e=this.input.charCodeAt(this.pos+1);return e===t?45!==e||this.inModule||62!==this.input.charCodeAt(this.pos+2)||0!==this.lastTokEnd&&!Q.test(this.input.slice(this.lastTokEnd,this.pos))?this.finishOp(z.incDec,2):(this.skipLineComment(3),this.skipSpace(),this.nextToken()):61===e?this.finishOp(z.assign,2):this.finishOp(z.plusMin,1)},At.readToken_lt_gt=function(t){var e=this.input.charCodeAt(this.pos+1),i=1;return e===t?(i=62===t&&62===this.input.charCodeAt(this.pos+2)?3:2,61===this.input.charCodeAt(this.pos+i)?this.finishOp(z.assign,i+1):this.finishOp(z.bitShift,i)):33!==e||60!==t||this.inModule||45!==this.input.charCodeAt(this.pos+2)||45!==this.input.charCodeAt(this.pos+3)?(61===e&&(i=2),this.finishOp(z.relational,i)):(this.skipLineComment(4),this.skipSpace(),this.nextToken())},At.readToken_eq_excl=function(t){var e=this.input.charCodeAt(this.pos+1);return 61===e?this.finishOp(z.equality,61===this.input.charCodeAt(this.pos+2)?3:2):61===t&&62===e&&this.options.ecmaVersion>=6?(this.pos+=2,this.finishToken(z.arrow)):this.finishOp(61===t?z.eq:z.prefix,1)},At.getTokenFromCode=function(t){switch(t){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(z.parenL);case 41:return++this.pos,this.finishToken(z.parenR);case 59:return++this.pos,this.finishToken(z.semi);case 44:return++this.pos,this.finishToken(z.comma);case 91:return++this.pos,this.finishToken(z.bracketL);case 93:return++this.pos,this.finishToken(z.bracketR);case 123:return++this.pos,this.finishToken(z.braceL);case 125:return++this.pos,this.finishToken(z.braceR);case 58:return++this.pos,this.finishToken(z.colon);case 63:return++this.pos,this.finishToken(z.question);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(z.backQuote);case 48:var e=this.input.charCodeAt(this.pos+1);if(120===e||88===e)return this.readRadixNumber(16);if(this.options.ecmaVersion>=6){if(111===e||79===e)return this.readRadixNumber(8);if(98===e||66===e)return this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return this.readNumber(!1);case 34:case 39:return this.readString(t);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo_exp(t);case 124:case 38:return this.readToken_pipe_amp(t);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(t);case 60:case 62:return this.readToken_lt_gt(t);case 61:case 33:return this.readToken_eq_excl(t);case 126:return this.finishOp(z.prefix,1)}this.raise(this.pos,"Unexpected character '"+A(t)+"'")},At.finishOp=function(t,e){var i=this.input.slice(this.pos,this.pos+e);return this.pos+=e,this.finishToken(t,i)},At.readRegexp=function(){for(var t,e,i=this,s=this.pos;;){i.pos>=i.input.length&&i.raise(s,"Unterminated regular expression");var r=i.input.charAt(i.pos);if(Q.test(r)&&i.raise(s,"Unterminated regular expression"),t)t=!1;else{if("["===r)e=!0;else if("]"===r&&e)e=!1;else if("/"===r&&!e)break;t="\\"===r}++i.pos}var a=this.input.slice(s,this.pos);++this.pos;var n=this.pos,o=this.readWord1();this.containsEsc&&this.unexpected(n);var h=this.regexpState||(this.regexpState=new Et(this));h.reset(s,a,o),this.validateRegExpFlags(h),this.validateRegExpPattern(h);var p=null;try{p=new RegExp(a,o)}catch(t){}return this.finishToken(z.regexp,{pattern:a,flags:o,value:p})},At.readInt=function(t,e){for(var i=this,s=this.pos,r=0,a=0,n=null==e?1/0:e;a<n;++a){var o=i.input.charCodeAt(i.pos),h=void 0;if((h=o>=97?o-97+10:o>=65?o-65+10:o>=48&&o<=57?o-48:1/0)>=t)break;++i.pos,r=r*t+h}return this.pos===s||null!=e&&this.pos-s!==e?null:r},At.readRadixNumber=function(t){this.pos+=2;var e=this.readInt(t);return null==e&&this.raise(this.start+2,"Expected number in radix "+t),i(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(z.num,e)},At.readNumber=function(t){var e=this.pos;t||null!==this.readInt(10)||this.raise(e,"Invalid number");var s=this.pos-e>=2&&48===this.input.charCodeAt(e);s&&this.strict&&this.raise(e,"Invalid number"),s&&/[89]/.test(this.input.slice(e,this.pos))&&(s=!1);var r=this.input.charCodeAt(this.pos);46!==r||s||(++this.pos,this.readInt(10),r=this.input.charCodeAt(this.pos)),69!==r&&101!==r||s||(r=this.input.charCodeAt(++this.pos),43!==r&&45!==r||++this.pos,null===this.readInt(10)&&this.raise(e,"Invalid number")),i(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var a=this.input.slice(e,this.pos),n=s?parseInt(a,8):parseFloat(a);return this.finishToken(z.num,n)},At.readCodePoint=function(){var t,e=this.input.charCodeAt(this.pos);if(123===e){this.options.ecmaVersion<6&&this.unexpected();var i=++this.pos;t=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,t>1114111&&this.invalidStringToken(i,"Code point out of bounds")}else t=this.readHexChar(4);return t},At.readString=function(t){for(var e=this,i="",s=++this.pos;;){e.pos>=e.input.length&&e.raise(e.start,"Unterminated string constant");var r=e.input.charCodeAt(e.pos);if(r===t)break;92===r?(i+=e.input.slice(s,e.pos),i+=e.readEscapedChar(!1),s=e.pos):(n(r,e.options.ecmaVersion>=10)&&e.raise(e.start,"Unterminated string constant"),++e.pos)}return i+=this.input.slice(s,this.pos++),this.finishToken(z.string,i)};var It={};At.tryReadTemplateToken=function(){this.inTemplateElement=!0;try{this.readTmplToken()}catch(t){if(t!==It)throw t;this.readInvalidTemplateToken()}this.inTemplateElement=!1},At.invalidStringToken=function(t,e){if(this.inTemplateElement&&this.options.ecmaVersion>=9)throw It;this.raise(t,e)},At.readTmplToken=function(){for(var t=this,e="",i=this.pos;;){t.pos>=t.input.length&&t.raise(t.start,"Unterminated template");var s=t.input.charCodeAt(t.pos);if(96===s||36===s&&123===t.input.charCodeAt(t.pos+1))return t.pos!==t.start||t.type!==z.template&&t.type!==z.invalidTemplate?(e+=t.input.slice(i,t.pos),t.finishToken(z.template,e)):36===s?(t.pos+=2,t.finishToken(z.dollarBraceL)):(++t.pos,t.finishToken(z.backQuote));if(92===s)e+=t.input.slice(i,t.pos),e+=t.readEscapedChar(!0),i=t.pos;else if(n(s)){switch(e+=t.input.slice(i,t.pos),++t.pos,s){case 13:10===t.input.charCodeAt(t.pos)&&++t.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(s)}t.options.locations&&(++t.curLine,t.lineStart=t.pos),i=t.pos}else++t.pos}},At.readInvalidTemplateToken=function(){for(var t=this;this.pos<this.input.length;this.pos++)switch(t.input[t.pos]){case"\\":++t.pos;break;case"$":if("{"!==t.input[t.pos+1])break;case"`":return t.finishToken(z.invalidTemplate,t.input.slice(t.start,t.pos))}this.raise(this.start,"Unterminated template")},At.readEscapedChar=function(t){var e=this.input.charCodeAt(++this.pos);switch(++this.pos,e){case 110:return"\n";case 114:return"\r";case 120:return String.fromCharCode(this.readHexChar(2));case 117:return A(this.readCodePoint());case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 10:return this.options.locations&&(this.lineStart=this.pos,++this.curLine),"";default:if(e>=48&&e<=55){var i=this.input.substr(this.pos-1,3).match(/^[0-7]+/)[0],s=parseInt(i,8);return s>255&&(i=i.slice(0,-1),s=parseInt(i,8)),this.pos+=i.length-1,e=this.input.charCodeAt(this.pos),"0"===i&&56!==e&&57!==e||!this.strict&&!t||this.invalidStringToken(this.pos-1-i.length,t?"Octal literal in template string":"Octal literal in strict mode"),String.fromCharCode(s)}return String.fromCharCode(e)}},At.readHexChar=function(t){var e=this.pos,i=this.readInt(16,t);return null===i&&this.invalidStringToken(e,"Bad character escape sequence"),i},At.readWord1=function(){var t=this;this.containsEsc=!1;for(var e="",r=!0,a=this.pos,n=this.options.ecmaVersion>=6;this.pos<this.input.length;){var o=t.fullCharCodeAtPos();if(s(o,n))t.pos+=o<=65535?1:2;else{if(92!==o)break;t.containsEsc=!0,e+=t.input.slice(a,t.pos);var h=t.pos;117!==t.input.charCodeAt(++t.pos)&&t.invalidStringToken(t.pos,"Expecting Unicode escape sequence \\uXXXX"),++t.pos;var p=t.readCodePoint();(r?i:s)(p,n)||t.invalidStringToken(h,"Invalid Unicode escape"),e+=A(p),a=t.pos}r=!1}return e+this.input.slice(a,this.pos)},At.readWord=function(){var t=this.readWord1(),e=z.name;return this.keywords.test(t)&&(this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword "+t),e=j[t]),this.finishToken(e,t)};t.version="5.7.2",t.parse=I,t.parseExpressionAt=P,t.tokenizer=L,t.addLooseExports=N,t.Parser=at,t.plugins=rt,t.defaultOptions=st,t.Position=et,t.SourceLocation=it,t.getLineInfo=h,t.Node=vt,t.TokenType=q,t.tokTypes=z,t.keywordTypes=j,t.TokContext=_t,t.tokContexts=bt,t.isIdentifierChar=s,t.isIdentifierStart=i,t.Token=wt,t.isNewLine=n,t.lineBreak=Q,t.lineBreakG=K,t.nonASCIIwhitespace=X,Object.defineProperty(t,"__esModule",{value:!0})});
},{}],87:[function(require,module,exports){