@hpcc-js/observablehq-compiler
Version:
hpcc-js - ObservableHQ Compiler (unoffical)
644 lines • 229 kB
JavaScript
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var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: !0, configurable: !0, writable: !0, value }) : obj[key] = value;
var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key != "symbol" ? key + "" : key, value);
var astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 7, 9, 32, 4, 318, 1, 80, 3, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 68, 8, 2, 0, 3, 0, 2, 3, 2, 4, 2, 0, 15, 1, 83, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 7, 19, 58, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 343, 9, 54, 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, 10, 1, 2, 0, 49, 6, 4, 4, 14, 10, 5350, 0, 7, 14, 11465, 27, 2343, 9, 87, 9, 39, 4, 60, 6, 26, 9, 535, 9, 470, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4178, 9, 519, 45, 3, 22, 543, 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, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 245, 1, 2, 9, 726, 6, 110, 6, 6, 9, 4759, 9, 787719, 239], astralIdentifierStartCodes = [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, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 4, 51, 13, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 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, 39, 27, 10, 22, 251, 41, 7, 1, 17, 2, 60, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 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, 31, 9, 2, 0, 3, 0, 2, 37, 2, 0, 26, 0, 2, 0, 45, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 200, 32, 32, 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, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 26, 3994, 6, 582, 6842, 29, 1763, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 433, 44, 212, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 1237, 42, 9, 8936, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 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, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 229, 29, 3, 0, 496, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 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, 42719, 33, 4153, 7, 221, 3, 5761, 15, 7472, 16, 621, 2467, 541, 1507, 4938, 6, 4191], nonASCIIidentifierChars = "·̀-ͯ·҃-֑҇-ׇֽֿׁׂׅׄؐ-ًؚ-٩ٰۖ-ۜ۟-۪ۤۧۨ-ۭ۰-۹ܑܰ-݊ަ-ް߀-߉߫-߽߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛-࢟࣊-ࣣ࣡-ःऺ-़ा-ॏ॑-ॗॢॣ०-९ঁ-ঃ়া-ৄেৈো-্ৗৢৣ০-৯৾ਁ-ਃ਼ਾ-ੂੇੈੋ-੍ੑ੦-ੱੵઁ-ઃ઼ા-ૅે-ૉો-્ૢૣ૦-૯ૺ-૿ଁ-ଃ଼ା-ୄେୈୋ-୍୕-ୗୢୣ୦-୯ஂா-ூெ-ைொ-்ௗ௦-௯ఀ-ఄ఼ా-ౄె-ైొ-్ౕౖౢౣ౦-౯ಁ-ಃ಼ಾ-ೄೆ-ೈೊ-್ೕೖೢೣ೦-೯ೳഀ-ഃ഻഼ാ-ൄെ-ൈൊ-്ൗൢൣ൦-൯ඁ-ඃ්ා-ුූෘ-ෟ෦-෯ෲෳัิ-ฺ็-๎๐-๙ັິ-ຼ່-໎໐-໙༘༙༠-༩༹༵༷༾༿ཱ-྄྆྇ྍ-ྗྙ-ྼ࿆ါ-ှ၀-၉ၖ-ၙၞ-ၠၢ-ၤၧ-ၭၱ-ၴႂ-ႍႏ-ႝ፝-፟፩-፱ᜒ-᜕ᜲ-᜴ᝒᝓᝲᝳ឴-៓៝០-៩᠋-᠍᠏-᠙ᢩᤠ-ᤫᤰ-᤻᥆-᥏᧐-᧚ᨗ-ᨛᩕ-ᩞ᩠-᩿᩼-᪉᪐-᪙᪰-᪽ᪿ-ᫎᬀ-ᬄ᬴-᭄᭐-᭙᭫-᭳ᮀ-ᮂᮡ-ᮭ᮰-᮹᯦-᯳ᰤ-᰷᱀-᱉᱐-᱙᳐-᳔᳒-᳨᳭᳴᳷-᳹᷀-᷿‿⁀⁔⃐-⃥⃜⃡-⃰⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯・꘠-꘩꙯ꙴ-꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠣ-ꠧ꠬ꢀꢁꢴ-ꣅ꣐-꣙꣠-꣱ꣿ-꤉ꤦ-꤭ꥇ-꥓ꦀ-ꦃ꦳-꧀꧐-꧙ꧥ꧰-꧹ꨩ-ꨶꩃꩌꩍ꩐-꩙ꩻ-ꩽꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫫ-ꫯꫵ꫶ꯣ-ꯪ꯬꯭꯰-꯹ﬞ︀-️︠-︯︳︴﹍-﹏0-9_・", nonASCIIidentifierStartChars = "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-ࡪࡰ-ࢇࢉ-ࢎࢠ-ࣉऄ-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-ౚౝౠౡಀಅ-ಌಎ-ಐಒ-ನಪ-ಳವ-ಹಽೝೞೠೡೱೲഄ-ഌഎ-ഐഒ-ഺഽൎൔ-ൖൟ-ൡൺ-ൿඅ-ඖක-නඳ-රලව-ෆก-ะาำเ-ๆກຂຄຆ-ຊຌ-ຣລວ-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-ᜑᜟ-ᜱᝀ-ᝑᝠ-ᝬᝮ-ᝰក-ឳៗៜᠠ-ᡸᢀ-ᢨᢪᢰ-ᣵᤀ-ᤞᥐ-ᥭᥰ-ᥴᦀ-ᦫᦰ-ᧉᨀ-ᨖᨠ-ᩔᪧᬅ-ᬳᭅ-ᭌᮃ-ᮠᮮᮯᮺ-ᯥᰀ-ᰣᱍ-ᱏᱚ-ᱽᲀ-Ა-ᲺᲽ-Ჿᳩ-ᳬᳮ-ᳳᳵᳶᳺᴀ-ᶿḀ-ἕἘ-Ἕἠ-ὅὈ-Ὅὐ-ὗὙὛὝὟ-ώᾀ-ᾴᾶ-ᾼιῂ-ῄῆ-ῌῐ-ΐῖ-Ίῠ-Ῥῲ-ῴῶ-ῼⁱⁿₐ-ₜℂℇℊ-ℓℕ℘-ℝℤΩℨK-ℹℼ-ℿⅅ-ⅉⅎⅠ-ↈⰀ-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-ㆿㇰ-ㇿ㐀-䶿一-ꒌꓐ-ꓽꔀ-ꘌꘐ-ꘟꘪꘫꙀ-ꙮꙿ-ꚝꚠ-ꛯꜗ-ꜟꜢ-ꞈꞋ-Ꟑꟑꟓꟕ-ꟲ-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-ꭩꭰ-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", reservedWords = {
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"
}, ecma5AndLessKeywords = "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", keywords$1 = {
5: ecma5AndLessKeywords,
"5module": ecma5AndLessKeywords + " export import",
6: ecma5AndLessKeywords + " const class extends export import super"
}, keywordRelationalOperator = /^in(stanceof)?$/, nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]"), nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
function isInAstralSet(code, set) {
for (var pos = 65536, i = 0; i < set.length; i += 2) {
if (pos += set[i], pos > code)
return !1;
if (pos += set[i + 1], pos >= code)
return !0;
}
return !1;
}
function isIdentifierStart(code, astral) {
return code < 65 ? code === 36 : code < 91 ? !0 : code < 97 ? code === 95 : code < 123 ? !0 : code <= 65535 ? code >= 170 && nonASCIIidentifierStart.test(String.fromCharCode(code)) : astral === !1 ? !1 : isInAstralSet(code, astralIdentifierStartCodes);
}
function isIdentifierChar(code, astral) {
return code < 48 ? code === 36 : code < 58 ? !0 : code < 65 ? !1 : code < 91 ? !0 : code < 97 ? code === 95 : code < 123 ? !0 : code <= 65535 ? code >= 170 && nonASCIIidentifier.test(String.fromCharCode(code)) : astral === !1 ? !1 : isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes);
}
var TokenType = function(label, conf) {
conf === void 0 && (conf = {}), this.label = label, this.keyword = conf.keyword, this.beforeExpr = !!conf.beforeExpr, this.startsExpr = !!conf.startsExpr, this.isLoop = !!conf.isLoop, this.isAssign = !!conf.isAssign, this.prefix = !!conf.prefix, this.postfix = !!conf.postfix, this.binop = conf.binop || null, this.updateContext = null;
};
function binop(name, prec) {
return new TokenType(name, { beforeExpr: !0, binop: prec });
}
var beforeExpr = { beforeExpr: !0 }, startsExpr = { startsExpr: !0 }, keywords = {};
function kw(name, options) {
return options === void 0 && (options = {}), options.keyword = name, keywords[name] = new TokenType(name, options);
}
var types$1 = {
num: new TokenType("num", startsExpr),
regexp: new TokenType("regexp", startsExpr),
string: new TokenType("string", startsExpr),
name: new TokenType("name", startsExpr),
privateId: new TokenType("privateId", startsExpr),
eof: new TokenType("eof"),
// Punctuation token types.
bracketL: new TokenType("[", { beforeExpr: !0, startsExpr: !0 }),
bracketR: new TokenType("]"),
braceL: new TokenType("{", { beforeExpr: !0, startsExpr: !0 }),
braceR: new TokenType("}"),
parenL: new TokenType("(", { beforeExpr: !0, startsExpr: !0 }),
parenR: new TokenType(")"),
comma: new TokenType(",", beforeExpr),
semi: new TokenType(";", beforeExpr),
colon: new TokenType(":", beforeExpr),
dot: new TokenType("."),
question: new TokenType("?", beforeExpr),
questionDot: new TokenType("?."),
arrow: new TokenType("=>", beforeExpr),
template: new TokenType("template"),
invalidTemplate: new TokenType("invalidTemplate"),
ellipsis: new TokenType("...", beforeExpr),
backQuote: new TokenType("`", startsExpr),
dollarBraceL: new TokenType("${", { beforeExpr: !0, startsExpr: !0 }),
// Operators. These carry several kinds of properties to help the
// parser use them properly (the presence of these properties is
// what categorizes them as operators).
//
// `binop`, when present, specifies that this operator is a binary
// operator, and will refer to its precedence.
//
// `prefix` and `postfix` mark the operator as a prefix or postfix
// unary operator.
//
// `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as
// binary operators with a very low precedence, that should result
// in AssignmentExpression nodes.
eq: new TokenType("=", { beforeExpr: !0, isAssign: !0 }),
assign: new TokenType("_=", { beforeExpr: !0, isAssign: !0 }),
incDec: new TokenType("++/--", { prefix: !0, postfix: !0, startsExpr: !0 }),
prefix: new TokenType("!/~", { beforeExpr: !0, prefix: !0, startsExpr: !0 }),
logicalOR: binop("||", 1),
logicalAND: binop("&&", 2),
bitwiseOR: binop("|", 3),
bitwiseXOR: binop("^", 4),
bitwiseAND: binop("&", 5),
equality: binop("==/!=/===/!==", 6),
relational: binop("</>/<=/>=", 7),
bitShift: binop("<</>>/>>>", 8),
plusMin: new TokenType("+/-", { beforeExpr: !0, binop: 9, prefix: !0, startsExpr: !0 }),
modulo: binop("%", 10),
star: binop("*", 10),
slash: binop("/", 10),
starstar: new TokenType("**", { beforeExpr: !0 }),
coalesce: binop("??", 1),
// Keyword token types.
_break: kw("break"),
_case: kw("case", beforeExpr),
_catch: kw("catch"),
_continue: kw("continue"),
_debugger: kw("debugger"),
_default: kw("default", beforeExpr),
_do: kw("do", { isLoop: !0, beforeExpr: !0 }),
_else: kw("else", beforeExpr),
_finally: kw("finally"),
_for: kw("for", { isLoop: !0 }),
_function: kw("function", startsExpr),
_if: kw("if"),
_return: kw("return", beforeExpr),
_switch: kw("switch"),
_throw: kw("throw", beforeExpr),
_try: kw("try"),
_var: kw("var"),
_const: kw("const"),
_while: kw("while", { isLoop: !0 }),
_with: kw("with"),
_new: kw("new", { beforeExpr: !0, startsExpr: !0 }),
_this: kw("this", startsExpr),
_super: kw("super", startsExpr),
_class: kw("class", startsExpr),
_extends: kw("extends", beforeExpr),
_export: kw("export"),
_import: kw("import", startsExpr),
_null: kw("null", startsExpr),
_true: kw("true", startsExpr),
_false: kw("false", startsExpr),
_in: kw("in", { beforeExpr: !0, binop: 7 }),
_instanceof: kw("instanceof", { beforeExpr: !0, binop: 7 }),
_typeof: kw("typeof", { beforeExpr: !0, prefix: !0, startsExpr: !0 }),
_void: kw("void", { beforeExpr: !0, prefix: !0, startsExpr: !0 }),
_delete: kw("delete", { beforeExpr: !0, prefix: !0, startsExpr: !0 })
}, lineBreak = /\r\n?|\n|\u2028|\u2029/, lineBreakG = new RegExp(lineBreak.source, "g");
function isNewLine(code) {
return code === 10 || code === 13 || code === 8232 || code === 8233;
}
function nextLineBreak(code, from, end) {
end === void 0 && (end = code.length);
for (var i = from; i < end; i++) {
var next = code.charCodeAt(i);
if (isNewLine(next))
return i < end - 1 && next === 13 && code.charCodeAt(i + 1) === 10 ? i + 2 : i + 1;
}
return -1;
}
var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/, skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g, ref = Object.prototype, hasOwnProperty = ref.hasOwnProperty, toString = ref.toString, hasOwn = Object.hasOwn || function(obj, propName) {
return hasOwnProperty.call(obj, propName);
}, isArray = Array.isArray || function(obj) {
return toString.call(obj) === "[object Array]";
}, regexpCache = /* @__PURE__ */ Object.create(null);
function wordsRegexp(words) {
return regexpCache[words] || (regexpCache[words] = new RegExp("^(?:" + words.replace(/ /g, "|") + ")$"));
}
function codePointToString(code) {
return code <= 65535 ? String.fromCharCode(code) : (code -= 65536, String.fromCharCode((code >> 10) + 55296, (code & 1023) + 56320));
}
var loneSurrogate = /(?:[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/, Position = function(line, col) {
this.line = line, this.column = col;
};
Position.prototype.offset = function(n) {
return new Position(this.line, this.column + n);
};
var SourceLocation = function(p, start, end) {
this.start = start, this.end = end, p.sourceFile !== null && (this.source = p.sourceFile);
};
function getLineInfo(input, offset2) {
for (var line = 1, cur = 0; ; ) {
var nextBreak = nextLineBreak(input, cur, offset2);
if (nextBreak < 0)
return new Position(line, offset2 - cur);
++line, cur = nextBreak;
}
}
var defaultOptions = {
// `ecmaVersion` indicates the ECMAScript version to parse. Must be
// either 3, 5, 6 (or 2015), 7 (2016), 8 (2017), 9 (2018), 10
// (2019), 11 (2020), 12 (2021), 13 (2022), 14 (2023), or `"latest"`
// (the latest version the library supports). This influences
// support for strict mode, the set of reserved words, and support
// for new syntax features.
ecmaVersion: null,
// `sourceType` indicates the mode the code should be parsed in.
// Can be either `"script"` or `"module"`. This influences global
// strict mode and parsing of `import` and `export` declarations.
sourceType: "script",
// `onInsertedSemicolon` can be a callback that will be called when
// a semicolon is automatically inserted. It will be passed the
// position of the inserted semicolon as an offset, and if
// `locations` is enabled, it is given the location as a `{line,
// column}` object as second argument.
onInsertedSemicolon: null,
// `onTrailingComma` is similar to `onInsertedSemicolon`, but for
// trailing commas.
onTrailingComma: null,
// By default, reserved words are only enforced if ecmaVersion >= 5.
// Set `allowReserved` to a boolean value to explicitly turn this on
// an off. When this option has the value "never", reserved words
// and keywords can also not be used as property names.
allowReserved: null,
// When enabled, a return at the top level is not considered an
// error.
allowReturnOutsideFunction: !1,
// When enabled, import/export statements are not constrained to
// appearing at the top of the program, and an import.meta expression
// in a script isn't considered an error.
allowImportExportEverywhere: !1,
// By default, await identifiers are allowed to appear at the top-level scope only if ecmaVersion >= 2022.
// When enabled, await identifiers are allowed to appear at the top-level scope,
// but they are still not allowed in non-async functions.
allowAwaitOutsideFunction: null,
// When enabled, super identifiers are not constrained to
// appearing in methods and do not raise an error when they appear elsewhere.
allowSuperOutsideMethod: null,
// When enabled, hashbang directive in the beginning of file is
// allowed and treated as a line comment. Enabled by default when
// `ecmaVersion` >= 2023.
allowHashBang: !1,
// By default, the parser will verify that private properties are
// only used in places where they are valid and have been declared.
// Set this to false to turn such checks off.
checkPrivateFields: !0,
// When `locations` is on, `loc` properties holding objects with
// `start` and `end` properties in `{line, column}` form (with
// line being 1-based and column 0-based) will be attached to the
// nodes.
locations: !1,
// A function can be passed as `onToken` option, which will
// cause Acorn to call that function with object in the same
// format as tokens returned from `tokenizer().getToken()`. Note
// that you are not allowed to call the parser from the
// callback—that will corrupt its internal state.
onToken: null,
// A function can be passed as `onComment` option, which will
// cause Acorn to call that function with `(block, text, start,
// end)` parameters whenever a comment is skipped. `block` is a
// boolean indicating whether this is a block (`/* */`) comment,
// `text` is the content of the comment, and `start` and `end` are
// character offsets that denote the start and end of the comment.
// When the `locations` option is on, two more parameters are
// passed, the full `{line, column}` locations of the start and
// end of the comments. Note that you are not allowed to call the
// parser from the callback—that will corrupt its internal state.
// When this option has an array as value, objects representing the
// comments are pushed to it.
onComment: null,
// Nodes have their start and end characters offsets recorded in
// `start` and `end` properties (directly on the node, rather than
// the `loc` object, which holds line/column data. To also add a
// [semi-standardized][range] `range` property holding a `[start,
// end]` array with the same numbers, set the `ranges` option to
// `true`.
//
// [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
ranges: !1,
// It is possible to parse multiple files into a single AST by
// passing the tree produced by parsing the first file as
// `program` option in subsequent parses. This will add the
// toplevel forms of the parsed file to the `Program` (top) node
// of an existing parse tree.
program: null,
// When `locations` is on, you can pass this to record the source
// file in every node's `loc` object.
sourceFile: null,
// This value, if given, is stored in every node, whether
// `locations` is on or off.
directSourceFile: null,
// When enabled, parenthesized expressions are represented by
// (non-standard) ParenthesizedExpression nodes
preserveParens: !1
}, warnedAboutEcmaVersion = !1;
function getOptions(opts) {
var options = {};
for (var opt in defaultOptions)
options[opt] = opts && hasOwn(opts, opt) ? opts[opt] : defaultOptions[opt];
if (options.ecmaVersion === "latest" ? options.ecmaVersion = 1e8 : options.ecmaVersion == null ? (!warnedAboutEcmaVersion && typeof console == "object" && console.warn && (warnedAboutEcmaVersion = !0, console.warn(`Since Acorn 8.0.0, options.ecmaVersion is required.
Defaulting to 2020, but this will stop working in the future.`)), options.ecmaVersion = 11) : options.ecmaVersion >= 2015 && (options.ecmaVersion -= 2009), options.allowReserved == null && (options.allowReserved = options.ecmaVersion < 5), (!opts || opts.allowHashBang == null) && (options.allowHashBang = options.ecmaVersion >= 14), isArray(options.onToken)) {
var tokens = options.onToken;
options.onToken = function(token) {
return tokens.push(token);
};
}
return isArray(options.onComment) && (options.onComment = pushComment(options, options.onComment)), options;
}
function pushComment(options, array) {
return function(block, text, start, end, startLoc, endLoc) {
var comment = {
type: block ? "Block" : "Line",
value: text,
start,
end
};
options.locations && (comment.loc = new SourceLocation(this, startLoc, endLoc)), options.ranges && (comment.range = [start, end]), array.push(comment);
};
}
var SCOPE_TOP = 1, SCOPE_FUNCTION$1 = 2, SCOPE_ASYNC$1 = 4, SCOPE_GENERATOR$1 = 8, SCOPE_ARROW = 16, SCOPE_SIMPLE_CATCH = 32, SCOPE_SUPER = 64, SCOPE_DIRECT_SUPER = 128, SCOPE_CLASS_STATIC_BLOCK = 256, SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION$1 | SCOPE_CLASS_STATIC_BLOCK;
function functionFlags(async, generator) {
return SCOPE_FUNCTION$1 | (async ? SCOPE_ASYNC$1 : 0) | (generator ? SCOPE_GENERATOR$1 : 0);
}
var BIND_NONE = 0, BIND_VAR = 1, BIND_LEXICAL = 2, BIND_FUNCTION = 3, BIND_SIMPLE_CATCH = 4, BIND_OUTSIDE = 5, Parser = function(options, input, startPos) {
this.options = options = getOptions(options), this.sourceFile = options.sourceFile, this.keywords = wordsRegexp(keywords$1[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]);
var reserved = "";
options.allowReserved !== !0 && (reserved = reservedWords[options.ecmaVersion >= 6 ? 6 : options.ecmaVersion === 5 ? 5 : 3], options.sourceType === "module" && (reserved += " await")), this.reservedWords = wordsRegexp(reserved);
var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict;
this.reservedWordsStrict = wordsRegexp(reservedStrict), this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind), this.input = String(input), this.containsEsc = !1, startPos ? (this.pos = startPos, this.lineStart = this.input.lastIndexOf(`
`, startPos - 1) + 1, this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length) : (this.pos = this.lineStart = 0, this.curLine = 1), this.type = types$1.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 = options.sourceType === "module", this.strict = this.inModule || this.strictDirective(this.pos), this.potentialArrowAt = -1, this.potentialArrowInForAwait = !1, this.yieldPos = this.awaitPos = this.awaitIdentPos = 0, this.labels = [], this.undefinedExports = /* @__PURE__ */ Object.create(null), this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!" && this.skipLineComment(2), this.scopeStack = [], this.enterScope(SCOPE_TOP), this.regexpState = null, this.privateNameStack = [];
}, prototypeAccessors = { inFunction: { configurable: !0 }, inGenerator: { configurable: !0 }, inAsync: { configurable: !0 }, canAwait: { configurable: !0 }, allowSuper: { configurable: !0 }, allowDirectSuper: { configurable: !0 }, treatFunctionsAsVar: { configurable: !0 }, allowNewDotTarget: { configurable: !0 }, inClassStaticBlock: { configurable: !0 } };
Parser.prototype.parse = function() {
var node = this.options.program || this.startNode();
return this.nextToken(), this.parseTopLevel(node);
};
prototypeAccessors.inFunction.get = function() {
return (this.currentVarScope().flags & SCOPE_FUNCTION$1) > 0;
};
prototypeAccessors.inGenerator.get = function() {
return (this.currentVarScope().flags & SCOPE_GENERATOR$1) > 0 && !this.currentVarScope().inClassFieldInit;
};
prototypeAccessors.inAsync.get = function() {
return (this.currentVarScope().flags & SCOPE_ASYNC$1) > 0 && !this.currentVarScope().inClassFieldInit;
};
prototypeAccessors.canAwait.get = function() {
for (var i = this.scopeStack.length - 1; i >= 0; i--) {
var scope = this.scopeStack[i];
if (scope.inClassFieldInit || scope.flags & SCOPE_CLASS_STATIC_BLOCK)
return !1;
if (scope.flags & SCOPE_FUNCTION$1)
return (scope.flags & SCOPE_ASYNC$1) > 0;
}
return this.inModule && this.options.ecmaVersion >= 13 || this.options.allowAwaitOutsideFunction;
};
prototypeAccessors.allowSuper.get = function() {
var ref2 = this.currentThisScope(), flags = ref2.flags, inClassFieldInit = ref2.inClassFieldInit;
return (flags & SCOPE_SUPER) > 0 || inClassFieldInit || this.options.allowSuperOutsideMethod;
};
prototypeAccessors.allowDirectSuper.get = function() {
return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0;
};
prototypeAccessors.treatFunctionsAsVar.get = function() {
return this.treatFunctionsAsVarInScope(this.currentScope());
};
prototypeAccessors.allowNewDotTarget.get = function() {
var ref2 = this.currentThisScope(), flags = ref2.flags, inClassFieldInit = ref2.inClassFieldInit;
return (flags & (SCOPE_FUNCTION$1 | SCOPE_CLASS_STATIC_BLOCK)) > 0 || inClassFieldInit;
};
prototypeAccessors.inClassStaticBlock.get = function() {
return (this.currentVarScope().flags & SCOPE_CLASS_STATIC_BLOCK) > 0;
};
Parser.extend = function() {
for (var plugins = [], len = arguments.length; len--; ) plugins[len] = arguments[len];
for (var cls = this, i = 0; i < plugins.length; i++)
cls = plugins[i](cls);
return cls;
};
Parser.parse = function(input, options) {
return new this(options, input).parse();
};
Parser.parseExpressionAt = function(input, pos, options) {
var parser = new this(options, input, pos);
return parser.nextToken(), parser.parseExpression();
};
Parser.tokenizer = function(input, options) {
return new this(options, input);
};
Object.defineProperties(Parser.prototype, prototypeAccessors);
var pp$9 = Parser.prototype, literal = /^(?:'((?:\\[^]|[^'\\])*?)'|"((?:\\[^]|[^"\\])*?)")/;
pp$9.strictDirective = function(start) {
if (this.options.ecmaVersion < 5)
return !1;
for (; ; ) {
skipWhiteSpace.lastIndex = start, start += skipWhiteSpace.exec(this.input)[0].length;
var match = literal.exec(this.input.slice(start));
if (!match)
return !1;
if ((match[1] || match[2]) === "use strict") {
skipWhiteSpace.lastIndex = start + match[0].length;
var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length, next = this.input.charAt(end);
return next === ";" || next === "}" || lineBreak.test(spaceAfter[0]) && !(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "=");
}
start += match[0].length, skipWhiteSpace.lastIndex = start, start += skipWhiteSpace.exec(this.input)[0].length, this.input[start] === ";" && start++;
}
};
pp$9.eat = function(type) {
return this.type === type ? (this.next(), !0) : !1;
};
pp$9.isContextual = function(name) {
return this.type === types$1.name && this.value === name && !this.containsEsc;
};
pp$9.eatContextual = function(name) {
return this.isContextual(name) ? (this.next(), !0) : !1;
};
pp$9.expectContextual = function(name) {
this.eatContextual(name) || this.unexpected();
};
pp$9.canInsertSemicolon = function() {
return this.type === types$1.eof || this.type === types$1.braceR || lineBreak.test(this.input.slice(this.lastTokEnd, this.start));
};
pp$9.insertSemicolon = function() {
if (this.canInsertSemicolon())
return this.options.onInsertedSemicolon && this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc), !0;
};
pp$9.semicolon = function() {
!this.eat(types$1.semi) && !this.insertSemicolon() && this.unexpected();
};
pp$9.afterTrailingComma = function(tokType, notNext) {
if (this.type === tokType)
return this.options.onTrailingComma && this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc), notNext || this.next(), !0;
};
pp$9.expect = function(type) {
this.eat(type) || this.unexpected();
};
pp$9.unexpected = function(pos) {
this.raise(pos ?? this.start, "Unexpected token");
};
var DestructuringErrors = function() {
this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = this.doubleProto = -1;
};
pp$9.checkPatternErrors = function(refDestructuringErrors, isAssign) {
if (refDestructuringErrors) {
refDestructuringErrors.trailingComma > -1 && this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element");
var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind;
parens > -1 && this.raiseRecoverable(parens, isAssign ? "Assigning to rvalue" : "Parenthesized pattern");
}
};
pp$9.checkExpressionErrors = function(refDestructuringErrors, andThrow) {
if (!refDestructuringErrors)
return !1;
var shorthandAssign = refDestructuringErrors.shorthandAssign, doubleProto = refDestructuringErrors.doubleProto;
if (!andThrow)
return shorthandAssign >= 0 || doubleProto >= 0;
shorthandAssign >= 0 && this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"), doubleProto >= 0 && this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property");
};
pp$9.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");
};
pp$9.isSimpleAssignTarget = function(expr) {
return expr.type === "ParenthesizedExpression" ? this.isSimpleAssignTarget(expr.expression) : expr.type === "Identifier" || expr.type === "MemberExpression";
};
var pp$8 = Parser.prototype;
pp$8.parseTopLevel = function(node) {
var exports = /* @__PURE__ */ Object.create(null);
for (node.body || (node.body = []); this.type !== types$1.eof; ) {
var stmt = this.parseStatement(null, !0, exports);
node.body.push(stmt);
}
if (this.inModule)
for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1) {
var name = list[i];
this.raiseRecoverable(this.undefinedExports[name].start, "Export '" + name + "' is not defined");
}
return this.adaptDirectivePrologue(node.body), this.next(), node.sourceType = this.options.sourceType, this.finishNode(node, "Program");
};
var loopLabel = { kind: "loop" }, switchLabel = { kind: "switch" };
pp$8.isLet = function(context) {
if (this.options.ecmaVersion < 6 || !this.isContextual("let"))
return !1;
skipWhiteSpace.lastIndex = this.pos;
var skip = skipWhiteSpace.exec(this.input), next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next);
if (nextCh === 91 || nextCh === 92)
return !0;
if (context)
return !1;
if (nextCh === 123 || nextCh > 55295 && nextCh < 56320)
return !0;
if (isIdentifierStart(nextCh, !0)) {
for (var pos = next + 1; isIdentifierChar(nextCh = this.input.charCodeAt(pos), !0); )
++pos;
if (nextCh === 92 || nextCh > 55295 && nextCh < 56320)
return !0;
var ident = this.input.slice(next, pos);
if (!keywordRelationalOperator.test(ident))
return !0;
}
return !1;
};
pp$8.isAsyncFunction = function() {
if (this.options.ecmaVersion < 8 || !this.isContextual("async"))
return !1;
skipWhiteSpace.lastIndex = this.pos;
var skip = skipWhiteSpace.exec(this.input), next = this.pos + skip[0].length, after;
return !lineBreak.test(this.input.slice(this.pos, next)) && this.input.slice(next, next + 8) === "function" && (next + 8 === this.input.length || !(isIdentifierChar(after = this.input.charCodeAt(next + 8)) || after > 55295 && after < 56320));
};
pp$8.parseStatement = function(context, topLevel, exports) {
var starttype = this.type, node = this.startNode(), kind;
switch (this.isLet(context) && (starttype = types$1._var, kind = "let"), starttype) {
case types$1._break:
case types$1._continue:
return this.parseBreakContinueStatement(node, starttype.keyword);
case types$1._debugger:
return this.parseDebuggerStatement(node);
case types$1._do:
return this.parseDoStatement(node);
case types$1._for:
return this.parseForStatement(node);
case types$1._function:
return context && (this.strict || context !== "if" && context !== "label") && this.options.ecmaVersion >= 6 && this.unexpected(), this.parseFunctionStatement(node, !1, !context);
case types$1._class:
return context && this.unexpected(), this.parseClass(node, !0);
case types$1._if:
return this.parseIfStatement(node);
case types$1._return:
return this.parseReturnStatement(node);
case types$1._switch:
return this.parseSwitchStatement(node);
case types$1._throw:
return this.parseThrowStatement(node);
case types$1._try:
return this.parseTryStatement(node);
case types$1._const:
case types$1._var:
return kind = kind || this.value, context && kind !== "var" && this.unexpected(), this.parseVarStatement(node, kind);
case types$1._while:
return this.parseWhileStatement(node);
case types$1._with:
return this.parseWithStatement(node);
case types$1.braceL:
return this.parseBlock(!0, node);
case types$1.semi:
return this.parseEmptyStatement(node);
case types$1._export:
case types$1._import:
if (this.options.ecmaVersion > 10 && starttype === types$1._import) {
skipWhiteSpace.lastIndex = this.pos;
var skip = skipWhiteSpace.exec(this.input), next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next);
if (nextCh === 40 || nextCh === 46)
return this.parseExpressionStatement(node, this.parseExpression());
}
return this.options.allowImportExportEverywhere || (topLevel || 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'")), starttype === types$1._import ? this.parseImport(node) : this.parseExport(node, exports);
// If the statement does not start with a statement keyword or a
// brace, it's an ExpressionStatement or LabeledStatement. We
// simply start parsing an expression, and afterwards, if the
// next token is a colon and the expression was a simple
// Identifier node, we switch to interpreting it as a label.
default:
if (this.isAsyncFunction())
return context && this.unexpected(), this.next(), this.parseFunctionStatement(node, !0, !context);
var maybeName = this.value, expr = this.parseExpression();
return starttype === types$1.name && expr.type === "Identifier" && this.eat(types$1.colon) ? this.parseLabeledStatement(node, maybeName, expr, context) : this.parseExpressionStatement(node, expr);
}
};
pp$8.parseBreakContinueStatement = function(node, keyword) {
var isBreak = keyword === "break";
this.next(), this.eat(types$1.semi) || this.insertSemicolon() ? node.label = null : this.type !== types$1.name ? this.unexpected() : (node.label = this.parseIdent(), this.semicolon());
for (var i = 0; i < this.labels.length; ++i) {
var lab = this.labels[i];
if ((node.label == null || lab.name === node.label.name) && (lab.kind != null && (isBreak || lab.kind === "loop") || node.label && isBreak))
break;
}
return i === this.labels.length && this.raise(node.start, "Unsyntactic " + keyword), this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement");
};
pp$8.parseDebuggerStatement = function(node) {
return this.next(), this.semicolon(), this.finishNode(node, "DebuggerStatement");
};
pp$8.parseDoStatement = function(node) {
return this.next(), this.labels.push(loopLabel), node.body = this.parseStatement("do"), this.labels.pop(), this.expect(types$1._while), node.test = this.parseParenExpression(), this.options.ecmaVersion >= 6 ? this.eat(types$1.semi) : this.semicolon(), this.finishNode(node, "DoWhileStatement");
};
pp$8.parseForStatement = function(node) {
this.next();
var awaitAt = this.options.ecmaVersion >= 9 && this.canAwait && this.eatContextual("await") ? this.lastTokStart : -1;
if (this.labels.push(loopLabel), this.enterScope(0), this.expect(types$1.parenL), this.type === types$1.semi)
return awaitAt > -1 && this.unexpected(awaitAt), this.parseFor(node, null);
var isLet = this.isLet();
if (this.type === types$1._var || this.type === types$1._const || isLet) {
var init$1 = this.startNode(), kind = isLet ? "let" : this.value;
return this.next(), this.parseVar(init$1, !0, kind), this.finishNode(init$1, "VariableDeclaration"), (this.type === types$1._in || this.options.ecmaVersion >= 6 && this.isContextual("of")) && init$1.declarations.length === 1 ? (this.options.ecmaVersion >= 9 && (this.type === types$1._in ? awaitAt > -1 && this.unexpected(awaitAt) : node.await = awaitAt > -1), this.parseForIn(node, init$1)) : (awaitAt > -1 && this.unexpected(awaitAt), this.parseFor(node, init$1));
}
var startsWithLet = this.isContextual("let"), isForOf = !1, containsEsc = this.containsEsc, refDestructuringErrors = new DestructuringErrors(), initPos = this.start, init = awaitAt > -1 ? this.parseExprSubscripts(refDestructuringErrors, "await") : this.parseExpression(!0, refDestructuringErrors);
return this.type === types$1._in || (isForOf = this.options.ecmaVersion >= 6 && this.isContextual("of")) ? (awaitAt > -1 ? (this.type === types$1._in && this.unexpected(awaitAt), node.await = !0) : isForOf && this.options.ecmaVersion >= 8 && (init.start === initPos && !containsEsc && init.type === "Identifier" && init.name === "async" ? this.unexpected() : this.options.ecmaVersion >= 9 && (node.await = !1)), startsWithLet && isForOf && this.raise(init.start, "The left-hand side of a for-of loop may not start with 'let'."), this.toAssignable(init, !1, refDestructuringErrors), this.checkLValPattern(init), this.parseForIn(node, init)) : (this.checkExpressionErrors(refDestructuringErrors, !0), awaitAt > -1 && this.unexpected(awaitAt), this.parseFor(node, init));
};
pp$8.parseFunctionStatement = function(node, isAsync, declarationPosition) {
return this.next(), this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), !1, isAsync);
};
pp$8.parseIfStatement = function(node) {
return this.next(), node.test = this.parseParenExpression(), node.consequent = this.parseStatement("if"), node.alternate = this.eat(types$1._else) ? this.parseStatement("if") : null, this.finishNode(node, "IfStatement");
};
pp$8.parseReturnStatement = function(node) {
return !this.inFunction && !this.options.allowReturnOutsideFunction && this.raise(this.start, "'return' outside of function"), this.next(), this.eat(types$1.semi) || this.insertSemicolon() ? node.argument = null : (node.argument = this.parseExpression(), this.semicolon()), this.finishNode(node, "ReturnStatement");
};
pp$8.parseSwitchStatement = function(node) {
this.next(), node.discriminant = this.parseParenExpression(), node.cases = [], this.expect(types$1.braceL), this.labels.push(switchLabel), this.enterScope(0);
for (var cur, sawDefault = !1; this.type !== types$1.braceR; )
if (this.type === types$1._case || this.type === types$1._default) {
var isCase = this.type === types$1._case;
cur && this.finishNode(cur, "SwitchCase"), node.cases.push(cur = this.startNode()), cur.consequent = [], this.next(), isCase ? cur.test = this.parseExpression() : (sawDefault && this.raiseRecoverable(this.lastTokStart, "Multiple default clauses"), sawDefault = !0, cur.test = null), this.expect(types$1.colon);
} else
cur || this.unexpected(), cur.consequent.push(this.parseStatement(null));
return this.exitScope(), cur && this.finishNode(cur, "SwitchCase"), this.next(), this.labels.pop(), this.finishNode(node, "SwitchStatement");
};
pp$8.parseThrowStatement = function(node) {
return this.next(), lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) && this.raise(this.lastTokEnd, "Illegal newline after throw"), node.argument = this.parseExpression(), this.semicolon(), this.finishNode(node, "ThrowStatement");
};
var empty$1 = [];
pp$8.parseCatchClauseParam = function() {
var param = this.parseBindingAtom(), simple2 = param.type === "Identifier";
return this.enterScope(simple2 ? SCOPE_SIMPLE_CATCH : 0), this.checkLValPattern(param, simple2 ? BIND_SIMPLE_CATCH : BIND_LEXICAL), this.expect(types$1.parenR), param;
};
pp$8.parseTryStatement = function(node) {
if (this.next(), node.block = this.parseBlock(), node.handler = null, this.type === types$1._catch) {
var clause = this.startNode();
this.next(), this.eat(types$1.parenL) ? clause.param = this.parseCatchClauseParam() : (this.options.ecmaVersion < 10 && this.unexpected(), clause.param = null, this.enterScope(0)), clause.body = this.parseBlock(!1), this.exitScope(), node.handler = this.finishNode(clause, "CatchClause");
}
return node.finalizer = this.eat(types$1._finally) ? this.parseBlock() : null, !node.handler && !node.finalizer && this.raise(node.start, "Missing catch or finally clause"), this.finishNode(node, "TryStatement");
};
pp$8.parseVarStatement = function(node, kind, allowMissingInitializer) {
return this.next(), this.parseVar(node, !1, kind, allowMissingInitializer), this.semicolon(), this.finishNode(node, "VariableDeclaration");
};
pp$8.parseWhileStatement = function(node) {
return this.next(), node.test = this.parseParenExpression(), this.labels.push(loopLabel), node.body = this.parseStatement("while"), this.labels.pop(), this.finishNode(node, "WhileStatement");
};
pp$8.parseWithStatement = function(node) {
return this.strict && this.raise(this.start, "'with' in strict mode"), this.next(), node.object = this.parseParenExpression(), node.body = this.parseStatement("with"), this.finishNode(node, "WithStatement");
};
pp$8.parseEmptyStatement = function(node) {
return this.next(), this.finishNode(node, "EmptyStatement");
};
pp$8.parseLabeledStatement = function(node, maybeName, expr, context) {
for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) {
var label = list[i$1];
label.name === maybeName && this.raise(expr.start, "Label '" + maybeName + "' is already declared");
}
for (var kind = this.type.isLoop ? "loop" : this.type === types$1._switch ? "switch" : null, i = this.labels.length - 1; i >= 0; i--) {
var label$1 = this.labels[i];
if (label$1.statementStart === node.start)
label$1.statementStart = this.start, label$1.kind = kind;
else
break;
}
return this.labels.push({ name: maybeName, kind, statementStart: this.start }), node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label"), this.labels.pop(), node.label = expr, this.finishNode(node, "LabeledStatement");
};
pp$8.parseExpressionStatement = function(node, expr) {
return node.expression = expr, this.semicolon(), this.finishNode(node, "ExpressionStatement");
};
pp$8.parseBlock = function(createNewLexicalScope, node, exitStrict) {
for (createNewLexicalScope === void 0 && (createNewLexicalScope = !0), node === void 0 && (node = this.startNode()), node.body = [], this.expect(types$1.braceL), createNewLexicalScope && this.enterScope(0); this.type !== types$1.braceR; ) {
var stmt = this.parseStatement(null);
node.body.push(stmt);
}
return exitStrict && (this.strict = !1), this.next(), createNewLexicalScope && this.exitScope(), this.finishNode(node, "BlockStatement");
};
pp$8.parseFor = function(node, init) {
return node.init = init, this.expect(types$1.semi), node.test = this.type === types$1.semi ? null : this.parseExpression(), this.expect(types$1.semi), node.update = this.type === types$1.parenR ? null : this.parseExpression(), this.expect(types$1.parenR), node.body = this.parseStatement("for"), this.exitScope(), this.labels.pop(), this.finishNode(node, "ForStatement");
};
pp$8.parseForIn = function(node, init) {
var isForIn = this.type === types$1._in;
return this.next(), init.type === "VariableDeclaration" && init.declarations[0].init != null && (!isForIn || this.options.ecmaVersion < 8 || this.strict || init.kind !== "var" || init.declarations[0].id.type !== "Iden