sourav-das/stem-separator
3
1(function (global, factory) {2 typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :3 typeof define === 'function' && define.amd ? define(factory) :4 (global.JSON5 = factory());5}(this, (function () { 'use strict';6 7 function createCommonjsModule(fn, module) {8 return module = { exports: {} }, fn(module, module.exports), module.exports;9 }10 11 var _global = createCommonjsModule(function (module) {12 // https://github.com/zloirock/core-js/issues/86#issuecomment-11575902813 var global = module.exports = typeof window != 'undefined' && window.Math == Math14 ? window : typeof self != 'undefined' && self.Math == Math ? self15 // eslint-disable-next-line no-new-func16 : Function('return this')();17 if (typeof __g == 'number') { __g = global; } // eslint-disable-line no-undef18 });19 20 var _core = createCommonjsModule(function (module) {21 var core = module.exports = { version: '2.6.5' };22 if (typeof __e == 'number') { __e = core; } // eslint-disable-line no-undef23 });24 var _core_1 = _core.version;25 26 var _isObject = function (it) {27 return typeof it === 'object' ? it !== null : typeof it === 'function';28 };29 30 var _anObject = function (it) {31 if (!_isObject(it)) { throw TypeError(it + ' is not an object!'); }32 return it;33 };34 35 var _fails = function (exec) {36 try {37 return !!exec();38 } catch (e) {39 return true;40 }41 };42 43 // Thank's IE8 for his funny defineProperty44 var _descriptors = !_fails(function () {45 return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;46 });47 48 var document = _global.document;49 // typeof document.createElement is 'object' in old IE50 var is = _isObject(document) && _isObject(document.createElement);51 var _domCreate = function (it) {52 return is ? document.createElement(it) : {};53 };54 55 var _ie8DomDefine = !_descriptors && !_fails(function () {56 return Object.defineProperty(_domCreate('div'), 'a', { get: function () { return 7; } }).a != 7;57 });58 59 // 7.1.1 ToPrimitive(input [, PreferredType])60 61 // instead of the ES6 spec version, we didn't implement @@toPrimitive case62 // and the second argument - flag - preferred type is a string63 var _toPrimitive = function (it, S) {64 if (!_isObject(it)) { return it; }65 var fn, val;66 if (S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) { return val; }67 if (typeof (fn = it.valueOf) == 'function' && !_isObject(val = fn.call(it))) { return val; }68 if (!S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) { return val; }69 throw TypeError("Can't convert object to primitive value");70 };71 72 var dP = Object.defineProperty;73 74 var f = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes) {75 _anObject(O);76 P = _toPrimitive(P, true);77 _anObject(Attributes);78 if (_ie8DomDefine) { try {79 return dP(O, P, Attributes);80 } catch (e) { /* empty */ } }81 if ('get' in Attributes || 'set' in Attributes) { throw TypeError('Accessors not supported!'); }82 if ('value' in Attributes) { O[P] = Attributes.value; }83 return O;84 };85 86 var _objectDp = {87 f: f88 };89 90 var _propertyDesc = function (bitmap, value) {91 return {92 enumerable: !(bitmap & 1),93 configurable: !(bitmap & 2),94 writable: !(bitmap & 4),95 value: value96 };97 };98 99 var _hide = _descriptors ? function (object, key, value) {100 return _objectDp.f(object, key, _propertyDesc(1, value));101 } : function (object, key, value) {102 object[key] = value;103 return object;104 };105 106 var hasOwnProperty = {}.hasOwnProperty;107 var _has = function (it, key) {108 return hasOwnProperty.call(it, key);109 };110 111 var id = 0;112 var px = Math.random();113 var _uid = function (key) {114 return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));115 };116 117 var _library = false;118 119 var _shared = createCommonjsModule(function (module) {120 var SHARED = '__core-js_shared__';121 var store = _global[SHARED] || (_global[SHARED] = {});122 123 (module.exports = function (key, value) {124 return store[key] || (store[key] = value !== undefined ? value : {});125 })('versions', []).push({126 version: _core.version,127 mode: _library ? 'pure' : 'global',128 copyright: '© 2019 Denis Pushkarev (zloirock.ru)'129 });130 });131 132 var _functionToString = _shared('native-function-to-string', Function.toString);133 134 var _redefine = createCommonjsModule(function (module) {135 var SRC = _uid('src');136 137 var TO_STRING = 'toString';138 var TPL = ('' + _functionToString).split(TO_STRING);139 140 _core.inspectSource = function (it) {141 return _functionToString.call(it);142 };143 144 (module.exports = function (O, key, val, safe) {145 var isFunction = typeof val == 'function';146 if (isFunction) { _has(val, 'name') || _hide(val, 'name', key); }147 if (O[key] === val) { return; }148 if (isFunction) { _has(val, SRC) || _hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key))); }149 if (O === _global) {150 O[key] = val;151 } else if (!safe) {152 delete O[key];153 _hide(O, key, val);154 } else if (O[key]) {155 O[key] = val;156 } else {157 _hide(O, key, val);158 }159 // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative160 })(Function.prototype, TO_STRING, function toString() {161 return typeof this == 'function' && this[SRC] || _functionToString.call(this);162 });163 });164 165 var _aFunction = function (it) {166 if (typeof it != 'function') { throw TypeError(it + ' is not a function!'); }167 return it;168 };169 170 // optional / simple context binding171 172 var _ctx = function (fn, that, length) {173 _aFunction(fn);174 if (that === undefined) { return fn; }175 switch (length) {176 case 1: return function (a) {177 return fn.call(that, a);178 };179 case 2: return function (a, b) {180 return fn.call(that, a, b);181 };182 case 3: return function (a, b, c) {183 return fn.call(that, a, b, c);184 };185 }186 return function (/* ...args */) {187 return fn.apply(that, arguments);188 };189 };190 191 var PROTOTYPE = 'prototype';192 193 var $export = function (type, name, source) {194 var IS_FORCED = type & $export.F;195 var IS_GLOBAL = type & $export.G;196 var IS_STATIC = type & $export.S;197 var IS_PROTO = type & $export.P;198 var IS_BIND = type & $export.B;199 var target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] || (_global[name] = {}) : (_global[name] || {})[PROTOTYPE];200 var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});201 var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});202 var key, own, out, exp;203 if (IS_GLOBAL) { source = name; }204 for (key in source) {205 // contains in native206 own = !IS_FORCED && target && target[key] !== undefined;207 // export native or passed208 out = (own ? target : source)[key];209 // bind timers to global for call from export context210 exp = IS_BIND && own ? _ctx(out, _global) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;211 // extend global212 if (target) { _redefine(target, key, out, type & $export.U); }213 // export214 if (exports[key] != out) { _hide(exports, key, exp); }215 if (IS_PROTO && expProto[key] != out) { expProto[key] = out; }216 }217 };218 _global.core = _core;219 // type bitmap220 $export.F = 1; // forced221 $export.G = 2; // global222 $export.S = 4; // static223 $export.P = 8; // proto224 $export.B = 16; // bind225 $export.W = 32; // wrap226 $export.U = 64; // safe227 $export.R = 128; // real proto method for `library`228 var _export = $export;229 230 // 7.1.4 ToInteger231 var ceil = Math.ceil;232 var floor = Math.floor;233 var _toInteger = function (it) {234 return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);235 };236 237 // 7.2.1 RequireObjectCoercible(argument)238 var _defined = function (it) {239 if (it == undefined) { throw TypeError("Can't call method on " + it); }240 return it;241 };242 243 // true -> String#at244 // false -> String#codePointAt245 var _stringAt = function (TO_STRING) {246 return function (that, pos) {247 var s = String(_defined(that));248 var i = _toInteger(pos);249 var l = s.length;250 var a, b;251 if (i < 0 || i >= l) { return TO_STRING ? '' : undefined; }252 a = s.charCodeAt(i);253 return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff254 ? TO_STRING ? s.charAt(i) : a255 : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;256 };257 };258 259 var $at = _stringAt(false);260 _export(_export.P, 'String', {261 // 21.1.3.3 String.prototype.codePointAt(pos)262 codePointAt: function codePointAt(pos) {263 return $at(this, pos);264 }265 });266 267 var codePointAt = _core.String.codePointAt;268 269 var max = Math.max;270 var min = Math.min;271 var _toAbsoluteIndex = function (index, length) {272 index = _toInteger(index);273 return index < 0 ? max(index + length, 0) : min(index, length);274 };275 276 var fromCharCode = String.fromCharCode;277 var $fromCodePoint = String.fromCodePoint;278 279 // length should be 1, old FF problem280 _export(_export.S + _export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {281 // 21.1.2.2 String.fromCodePoint(...codePoints)282 fromCodePoint: function fromCodePoint(x) {283 var arguments$1 = arguments;284 // eslint-disable-line no-unused-vars285 var res = [];286 var aLen = arguments.length;287 var i = 0;288 var code;289 while (aLen > i) {290 code = +arguments$1[i++];291 if (_toAbsoluteIndex(code, 0x10ffff) !== code) { throw RangeError(code + ' is not a valid code point'); }292 res.push(code < 0x10000293 ? fromCharCode(code)294 : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)295 );296 } return res.join('');297 }298 });299 300 var fromCodePoint = _core.String.fromCodePoint;301 302 // This is a generated file. 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var ID_Continue = 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FF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDCA-\uDDCC\uDDD0-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3C-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB7\uDEC0-\uDEC9\uDF00-\uDF19\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDCA0-\uDCE9\uDCFF\uDE00-\uDE3E\uDE47\uDE50-\uDE83\uDE86-\uDE99\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD36\uDD3A\uDD3C\uDD3D\uDD3F-\uDD47\uDD50-\uDD59]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50-\uDF7E\uDF8F-\uDF9F\uDFE0\uDFE1]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00-\uDD1E\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4A\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uDB40[\uDD00-\uDDEF]/;306 307 var unicode = {308 Space_Separator: Space_Separator,309 ID_Start: ID_Start,310 ID_Continue: ID_Continue311 };312 313 var util = {314 isSpaceSeparator: function isSpaceSeparator (c) {315 return typeof c === 'string' && unicode.Space_Separator.test(c)316 },317 318 isIdStartChar: function isIdStartChar (c) {319 return typeof c === 'string' && (320 (c >= 'a' && c <= 'z') ||321 (c >= 'A' && c <= 'Z') ||322 (c === '$') || (c === '_') ||323 unicode.ID_Start.test(c)324 )325 },326 327 isIdContinueChar: function isIdContinueChar (c) {328 return typeof c === 'string' && (329 (c >= 'a' && c <= 'z') ||330 (c >= 'A' && c <= 'Z') ||331 (c >= '0' && c <= '9') ||332 (c === '$') || (c === '_') ||333 (c === '\u200C') || (c === '\u200D') ||334 unicode.ID_Continue.test(c)335 )336 },337 338 isDigit: function isDigit (c) {339 return typeof c === 'string' && /[0-9]/.test(c)340 },341 342 isHexDigit: function isHexDigit (c) {343 return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)344 },345 };346 347 var source;348 var parseState;349 var stack;350 var pos;351 var line;352 var column;353 var token;354 var key;355 var root;356 357 var parse = function parse (text, reviver) {358 source = String(text);359 parseState = 'start';360 stack = [];361 pos = 0;362 line = 1;363 column = 0;364 token = undefined;365 key = undefined;366 root = undefined;367 368 do {369 token = lex();370 371 // This code is unreachable.372 // if (!parseStates[parseState]) {373 // throw invalidParseState()374 // }375 376 parseStates[parseState]();377 } while (token.type !== 'eof')378 379 if (typeof reviver === 'function') {380 return internalize({'': root}, '', reviver)381 }382 383 return root384 };385 386 function internalize (holder, name, reviver) {387 var value = holder[name];388 if (value != null && typeof value === 'object') {389 if (Array.isArray(value)) {390 for (var i = 0; i < value.length; i++) {391 var key = String(i);392 var replacement = internalize(value, key, reviver);393 if (replacement === undefined) {394 delete value[key];395 } else {396 Object.defineProperty(value, key, {397 value: replacement,398 writable: true,399 enumerable: true,400 configurable: true,401 });402 }403 }404 } else {405 for (var key$1 in value) {406 var replacement$1 = internalize(value, key$1, reviver);407 if (replacement$1 === undefined) {408 delete value[key$1];409 } else {410 Object.defineProperty(value, key$1, {411 value: replacement$1,412 writable: true,413 enumerable: true,414 configurable: true,415 });416 }417 }418 }419 }420 421 return reviver.call(holder, name, value)422 }423 424 var lexState;425 var buffer;426 var doubleQuote;427 var sign;428 var c;429 430 function lex () {431 lexState = 'default';432 buffer = '';433 doubleQuote = false;434 sign = 1;435 436 for (;;) {437 c = peek();438 439 // This code is unreachable.440 // if (!lexStates[lexState]) {441 // throw invalidLexState(lexState)442 // }443 444 var token = lexStates[lexState]();445 if (token) {446 return token447 }448 }449 }450 451 function peek () {452 if (source[pos]) {453 return String.fromCodePoint(source.codePointAt(pos))454 }455 }456 457 function read () {458 var c = peek();459 460 if (c === '\n') {461 line++;462 column = 0;463 } else if (c) {464 column += c.length;465 } else {466 column++;467 }468 469 if (c) {470 pos += c.length;471 }472 473 return c474 }475 476 var lexStates = {477 default: function default$1 () {478 switch (c) {479 case '\t':480 case '\v':481 case '\f':482 case ' ':483 case '\u00A0':484 case '\uFEFF':485 case '\n':486 case '\r':487 case '\u2028':488 case '\u2029':489 read();490 return491 492 case '/':493 read();494 lexState = 'comment';495 return496 497 case undefined:498 read();499 return newToken('eof')500 }501 502 if (util.isSpaceSeparator(c)) {503 read();504 return505 }506 507 // This code is unreachable.508 // if (!lexStates[parseState]) {509 // throw invalidLexState(parseState)510 // }511 512 return lexStates[parseState]()513 },514 515 comment: function comment () {516 switch (c) {517 case '*':518 read();519 lexState = 'multiLineComment';520 return521 522 case '/':523 read();524 lexState = 'singleLineComment';525 return526 }527 528 throw invalidChar(read())529 },530 531 multiLineComment: function multiLineComment () {532 switch (c) {533 case '*':534 read();535 lexState = 'multiLineCommentAsterisk';536 return537 538 case undefined:539 throw invalidChar(read())540 }541 542 read();543 },544 545 multiLineCommentAsterisk: function multiLineCommentAsterisk () {546 switch (c) {547 case '*':548 read();549 return550 551 case '/':552 read();553 lexState = 'default';554 return555 556 case undefined:557 throw invalidChar(read())558 }559 560 read();561 lexState = 'multiLineComment';562 },563 564 singleLineComment: function singleLineComment () {565 switch (c) {566 case '\n':567 case '\r':568 case '\u2028':569 case '\u2029':570 read();571 lexState = 'default';572 return573 574 case undefined:575 read();576 return newToken('eof')577 }578 579 read();580 },581 582 value: function value () {583 switch (c) {584 case '{':585 case '[':586 return newToken('punctuator', read())587 588 case 'n':589 read();590 literal('ull');591 return newToken('null', null)592 593 case 't':594 read();595 literal('rue');596 return newToken('boolean', true)597 598 case 'f':599 read();600 literal('alse');601 return newToken('boolean', false)602 603 case '-':604 case '+':605 if (read() === '-') {606 sign = -1;607 }608 609 lexState = 'sign';610 return611 612 case '.':613 buffer = read();614 lexState = 'decimalPointLeading';615 return616 617 case '0':618 buffer = read();619 lexState = 'zero';620 return621 622 case '1':623 case '2':624 case '3':625 case '4':626 case '5':627 case '6':628 case '7':629 case '8':630 case '9':631 buffer = read();632 lexState = 'decimalInteger';633 return634 635 case 'I':636 read();637 literal('nfinity');638 return newToken('numeric', Infinity)639 640 case 'N':641 read();642 literal('aN');643 return newToken('numeric', NaN)644 645 case '"':646 case "'":647 doubleQuote = (read() === '"');648 buffer = '';649 lexState = 'string';650 return651 }652 653 throw invalidChar(read())654 },655 656 identifierNameStartEscape: function identifierNameStartEscape () {657 if (c !== 'u') {658 throw invalidChar(read())659 }660 661 read();662 var u = unicodeEscape();663 switch (u) {664 case '$':665 case '_':666 break667 668 default:669 if (!util.isIdStartChar(u)) {670 throw invalidIdentifier()671 }672 673 break674 }675 676 buffer += u;677 lexState = 'identifierName';678 },679 680 identifierName: function identifierName () {681 switch (c) {682 case '$':683 case '_':684 case '\u200C':685 case '\u200D':686 buffer += read();687 return688 689 case '\\':690 read();691 lexState = 'identifierNameEscape';692 return693 }694 695 if (util.isIdContinueChar(c)) {696 buffer += read();697 return698 }699 700 return newToken('identifier', buffer)701 },702 703 identifierNameEscape: function identifierNameEscape () {704 if (c !== 'u') {705 throw invalidChar(read())706 }707 708 read();709 var u = unicodeEscape();710 switch (u) {711 case '$':712 case '_':713 case '\u200C':714 case '\u200D':715 break716 717 default:718 if (!util.isIdContinueChar(u)) {719 throw invalidIdentifier()720 }721 722 break723 }724 725 buffer += u;726 lexState = 'identifierName';727 },728 729 sign: function sign$1 () {730 switch (c) {731 case '.':732 buffer = read();733 lexState = 'decimalPointLeading';734 return735 736 case '0':737 buffer = read();738 lexState = 'zero';739 return740 741 case '1':742 case '2':743 case '3':744 case '4':745 case '5':746 case '6':747 case '7':748 case '8':749 case '9':750 buffer = read();751 lexState = 'decimalInteger';752 return753 754 case 'I':755 read();756 literal('nfinity');757 return newToken('numeric', sign * Infinity)758 759 case 'N':760 read();761 literal('aN');762 return newToken('numeric', NaN)763 }764 765 throw invalidChar(read())766 },767 768 zero: function zero () {769 switch (c) {770 case '.':771 buffer += read();772 lexState = 'decimalPoint';773 return774 775 case 'e':776 case 'E':777 buffer += read();778 lexState = 'decimalExponent';779 return780 781 case 'x':782 case 'X':783 buffer += read();784 lexState = 'hexadecimal';785 return786 }787 788 return newToken('numeric', sign * 0)789 },790 791 decimalInteger: function decimalInteger () {792 switch (c) {793 case '.':794 buffer += read();795 lexState = 'decimalPoint';796 return797 798 case 'e':799 case 'E':800 buffer += read();801 lexState = 'decimalExponent';802 return803 }804 805 if (util.isDigit(c)) {806 buffer += read();807 return808 }809 810 return newToken('numeric', sign * Number(buffer))811 },812 813 decimalPointLeading: function decimalPointLeading () {814 if (util.isDigit(c)) {815 buffer += read();816 lexState = 'decimalFraction';817 return818 }819 820 throw invalidChar(read())821 },822 823 decimalPoint: function decimalPoint () {824 switch (c) {825 case 'e':826 case 'E':827 buffer += read();828 lexState = 'decimalExponent';829 return830 }831 832 if (util.isDigit(c)) {833 buffer += read();834 lexState = 'decimalFraction';835 return836 }837 838 return newToken('numeric', sign * Number(buffer))839 },840 841 decimalFraction: function decimalFraction () {842 switch (c) {843 case 'e':844 case 'E':845 buffer += read();846 lexState = 'decimalExponent';847 return848 }849 850 if (util.isDigit(c)) {851 buffer += read();852 return853 }854 855 return newToken('numeric', sign * Number(buffer))856 },857 858 decimalExponent: function decimalExponent () {859 switch (c) {860 case '+':861 case '-':862 buffer += read();863 lexState = 'decimalExponentSign';864 return865 }866 867 if (util.isDigit(c)) {868 buffer += read();869 lexState = 'decimalExponentInteger';870 return871 }872 873 throw invalidChar(read())874 },875 876 decimalExponentSign: function decimalExponentSign () {877 if (util.isDigit(c)) {878 buffer += read();879 lexState = 'decimalExponentInteger';880 return881 }882 883 throw invalidChar(read())884 },885 886 decimalExponentInteger: function decimalExponentInteger () {887 if (util.isDigit(c)) {888 buffer += read();889 return890 }891 892 return newToken('numeric', sign * Number(buffer))893 },894 895 hexadecimal: function hexadecimal () {896 if (util.isHexDigit(c)) {897 buffer += read();898 lexState = 'hexadecimalInteger';899 return900 }901 902 throw invalidChar(read())903 },904 905 hexadecimalInteger: function hexadecimalInteger () {906 if (util.isHexDigit(c)) {907 buffer += read();908 return909 }910 911 return newToken('numeric', sign * Number(buffer))912 },913 914 string: function string () {915 switch (c) {916 case '\\':917 read();918 buffer += escape();919 return920 921 case '"':922 if (doubleQuote) {923 read();924 return newToken('string', buffer)925 }926 927 buffer += read();928 return929 930 case "'":931 if (!doubleQuote) {932 read();933 return newToken('string', buffer)934 }935 936 buffer += read();937 return938 939 case '\n':940 case '\r':941 throw invalidChar(read())942 943 case '\u2028':944 case '\u2029':945 separatorChar(c);946 break947 948 case undefined:949 throw invalidChar(read())950 }951 952 buffer += read();953 },954 955 start: function start () {956 switch (c) {957 case '{':958 case '[':959 return newToken('punctuator', read())960 961 // This code is unreachable since the default lexState handles eof.962 // case undefined:963 // return newToken('eof')964 }965 966 lexState = 'value';967 },968 969 beforePropertyName: function beforePropertyName () {970 switch (c) {971 case '$':972 case '_':973 buffer = read();974 lexState = 'identifierName';975 return976 977 case '\\':978 read();979 lexState = 'identifierNameStartEscape';980 return981 982 case '}':983 return newToken('punctuator', read())984 985 case '"':986 case "'":987 doubleQuote = (read() === '"');988 lexState = 'string';989 return990 }991 992 if (util.isIdStartChar(c)) {993 buffer += read();994 lexState = 'identifierName';995 return996 }997 998 throw invalidChar(read())999 },1000 1001 afterPropertyName: function afterPropertyName () {1002 if (c === ':') {1003 return newToken('punctuator', read())1004 }1005 1006 throw invalidChar(read())1007 },1008 1009 beforePropertyValue: function beforePropertyValue () {1010 lexState = 'value';1011 },1012 1013 afterPropertyValue: function afterPropertyValue () {1014 switch (c) {1015 case ',':1016 case '}':1017 return newToken('punctuator', read())1018 }1019 1020 throw invalidChar(read())1021 },1022 1023 beforeArrayValue: function beforeArrayValue () {1024 if (c === ']') {1025 return newToken('punctuator', read())1026 }1027 1028 lexState = 'value';1029 },1030 1031 afterArrayValue: function afterArrayValue () {1032 switch (c) {1033 case ',':1034 case ']':1035 return newToken('punctuator', read())1036 }1037 1038 throw invalidChar(read())1039 },1040 1041 end: function end () {1042 // This code is unreachable since it's handled by the default lexState.1043 // if (c === undefined) {1044 // read()1045 // return newToken('eof')1046 // }1047 1048 throw invalidChar(read())1049 },1050 };1051 1052 function newToken (type, value) {1053 return {1054 type: type,1055 value: value,1056 line: line,1057 column: column,1058 }1059 }1060 1061 function literal (s) {1062 for (var i = 0, list = s; i < list.length; i += 1) {1063 var c = list[i];1064 1065 var p = peek();1066 1067 if (p !== c) {1068 throw invalidChar(read())1069 }1070 1071 read();1072 }1073 }1074 1075 function escape () {1076 var c = peek();1077 switch (c) {1078 case 'b':1079 read();1080 return '\b'1081 1082 case 'f':1083 read();1084 return '\f'1085 1086 case 'n':1087 read();1088 return '\n'1089 1090 case 'r':1091 read();1092 return '\r'1093 1094 case 't':1095 read();1096 return '\t'1097 1098 case 'v':1099 read();1100 return '\v'1101 1102 case '0':1103 read();1104 if (util.isDigit(peek())) {1105 throw invalidChar(read())1106 }1107 1108 return '\0'1109 1110 case 'x':1111 read();1112 return hexEscape()1113 1114 case 'u':1115 read();1116 return unicodeEscape()1117 1118 case '\n':1119 case '\u2028':1120 case '\u2029':1121 read();1122 return ''1123 1124 case '\r':1125 read();1126 if (peek() === '\n') {1127 read();1128 }1129 1130 return ''1131 1132 case '1':1133 case '2':1134 case '3':1135 case '4':1136 case '5':1137 case '6':1138 case '7':1139 case '8':1140 case '9':1141 throw invalidChar(read())1142 1143 case undefined:1144 throw invalidChar(read())1145 }1146 1147 return read()1148 }1149 1150 function hexEscape () {1151 var buffer = '';1152 var c = peek();1153 1154 if (!util.isHexDigit(c)) {1155 throw invalidChar(read())1156 }1157 1158 buffer += read();1159 1160 c = peek();1161 if (!util.isHexDigit(c)) {1162 throw invalidChar(read())1163 }1164 1165 buffer += read();1166 1167 return String.fromCodePoint(parseInt(buffer, 16))1168 }1169 1170 function unicodeEscape () {1171 var buffer = '';1172 var count = 4;1173 1174 while (count-- > 0) {1175 var c = peek();1176 if (!util.isHexDigit(c)) {1177 throw invalidChar(read())1178 }1179 1180 buffer += read();1181 }1182 1183 return String.fromCodePoint(parseInt(buffer, 16))1184 }1185 1186 var parseStates = {1187 start: function start () {1188 if (token.type === 'eof') {1189 throw invalidEOF()1190 }1191 1192 push();1193 },1194 1195 beforePropertyName: function beforePropertyName () {1196 switch (token.type) {1197 case 'identifier':1198 case 'string':1199 key = token.value;1200 parseState = 'afterPropertyName';