[d565449] | 1 | // This is a generated file. Do not edit.
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| 2 | var Space_Separator = /[\u1680\u2000-\u200A\u202F\u205F\u3000]/;
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| 3 | var ID_Start = 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| 4 | var ID_Continue = /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u09FC\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9-\u0AFF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D00-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF9\u1D00-\u1DF9\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312E\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FEA\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\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]/;
|
---|
| 5 |
|
---|
| 6 | var unicode = {
|
---|
| 7 | Space_Separator: Space_Separator,
|
---|
| 8 | ID_Start: ID_Start,
|
---|
| 9 | ID_Continue: ID_Continue
|
---|
| 10 | };
|
---|
| 11 |
|
---|
| 12 | var util = {
|
---|
| 13 | isSpaceSeparator (c) {
|
---|
| 14 | return typeof c === 'string' && unicode.Space_Separator.test(c)
|
---|
| 15 | },
|
---|
| 16 |
|
---|
| 17 | isIdStartChar (c) {
|
---|
| 18 | return typeof c === 'string' && (
|
---|
| 19 | (c >= 'a' && c <= 'z') ||
|
---|
| 20 | (c >= 'A' && c <= 'Z') ||
|
---|
| 21 | (c === '$') || (c === '_') ||
|
---|
| 22 | unicode.ID_Start.test(c)
|
---|
| 23 | )
|
---|
| 24 | },
|
---|
| 25 |
|
---|
| 26 | isIdContinueChar (c) {
|
---|
| 27 | return typeof c === 'string' && (
|
---|
| 28 | (c >= 'a' && c <= 'z') ||
|
---|
| 29 | (c >= 'A' && c <= 'Z') ||
|
---|
| 30 | (c >= '0' && c <= '9') ||
|
---|
| 31 | (c === '$') || (c === '_') ||
|
---|
| 32 | (c === '\u200C') || (c === '\u200D') ||
|
---|
| 33 | unicode.ID_Continue.test(c)
|
---|
| 34 | )
|
---|
| 35 | },
|
---|
| 36 |
|
---|
| 37 | isDigit (c) {
|
---|
| 38 | return typeof c === 'string' && /[0-9]/.test(c)
|
---|
| 39 | },
|
---|
| 40 |
|
---|
| 41 | isHexDigit (c) {
|
---|
| 42 | return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)
|
---|
| 43 | },
|
---|
| 44 | };
|
---|
| 45 |
|
---|
| 46 | let source;
|
---|
| 47 | let parseState;
|
---|
| 48 | let stack;
|
---|
| 49 | let pos;
|
---|
| 50 | let line;
|
---|
| 51 | let column;
|
---|
| 52 | let token;
|
---|
| 53 | let key;
|
---|
| 54 | let root;
|
---|
| 55 |
|
---|
| 56 | var parse = function parse (text, reviver) {
|
---|
| 57 | source = String(text);
|
---|
| 58 | parseState = 'start';
|
---|
| 59 | stack = [];
|
---|
| 60 | pos = 0;
|
---|
| 61 | line = 1;
|
---|
| 62 | column = 0;
|
---|
| 63 | token = undefined;
|
---|
| 64 | key = undefined;
|
---|
| 65 | root = undefined;
|
---|
| 66 |
|
---|
| 67 | do {
|
---|
| 68 | token = lex();
|
---|
| 69 |
|
---|
| 70 | // This code is unreachable.
|
---|
| 71 | // if (!parseStates[parseState]) {
|
---|
| 72 | // throw invalidParseState()
|
---|
| 73 | // }
|
---|
| 74 |
|
---|
| 75 | parseStates[parseState]();
|
---|
| 76 | } while (token.type !== 'eof')
|
---|
| 77 |
|
---|
| 78 | if (typeof reviver === 'function') {
|
---|
| 79 | return internalize({'': root}, '', reviver)
|
---|
| 80 | }
|
---|
| 81 |
|
---|
| 82 | return root
|
---|
| 83 | };
|
---|
| 84 |
|
---|
| 85 | function internalize (holder, name, reviver) {
|
---|
| 86 | const value = holder[name];
|
---|
| 87 | if (value != null && typeof value === 'object') {
|
---|
| 88 | if (Array.isArray(value)) {
|
---|
| 89 | for (let i = 0; i < value.length; i++) {
|
---|
| 90 | const key = String(i);
|
---|
| 91 | const replacement = internalize(value, key, reviver);
|
---|
| 92 | if (replacement === undefined) {
|
---|
| 93 | delete value[key];
|
---|
| 94 | } else {
|
---|
| 95 | Object.defineProperty(value, key, {
|
---|
| 96 | value: replacement,
|
---|
| 97 | writable: true,
|
---|
| 98 | enumerable: true,
|
---|
| 99 | configurable: true,
|
---|
| 100 | });
|
---|
| 101 | }
|
---|
| 102 | }
|
---|
| 103 | } else {
|
---|
| 104 | for (const key in value) {
|
---|
| 105 | const replacement = internalize(value, key, reviver);
|
---|
| 106 | if (replacement === undefined) {
|
---|
| 107 | delete value[key];
|
---|
| 108 | } else {
|
---|
| 109 | Object.defineProperty(value, key, {
|
---|
| 110 | value: replacement,
|
---|
| 111 | writable: true,
|
---|
| 112 | enumerable: true,
|
---|
| 113 | configurable: true,
|
---|
| 114 | });
|
---|
| 115 | }
|
---|
| 116 | }
|
---|
| 117 | }
|
---|
| 118 | }
|
---|
| 119 |
|
---|
| 120 | return reviver.call(holder, name, value)
|
---|
| 121 | }
|
---|
| 122 |
|
---|
| 123 | let lexState;
|
---|
| 124 | let buffer;
|
---|
| 125 | let doubleQuote;
|
---|
| 126 | let sign;
|
---|
| 127 | let c;
|
---|
| 128 |
|
---|
| 129 | function lex () {
|
---|
| 130 | lexState = 'default';
|
---|
| 131 | buffer = '';
|
---|
| 132 | doubleQuote = false;
|
---|
| 133 | sign = 1;
|
---|
| 134 |
|
---|
| 135 | for (;;) {
|
---|
| 136 | c = peek();
|
---|
| 137 |
|
---|
| 138 | // This code is unreachable.
|
---|
| 139 | // if (!lexStates[lexState]) {
|
---|
| 140 | // throw invalidLexState(lexState)
|
---|
| 141 | // }
|
---|
| 142 |
|
---|
| 143 | const token = lexStates[lexState]();
|
---|
| 144 | if (token) {
|
---|
| 145 | return token
|
---|
| 146 | }
|
---|
| 147 | }
|
---|
| 148 | }
|
---|
| 149 |
|
---|
| 150 | function peek () {
|
---|
| 151 | if (source[pos]) {
|
---|
| 152 | return String.fromCodePoint(source.codePointAt(pos))
|
---|
| 153 | }
|
---|
| 154 | }
|
---|
| 155 |
|
---|
| 156 | function read () {
|
---|
| 157 | const c = peek();
|
---|
| 158 |
|
---|
| 159 | if (c === '\n') {
|
---|
| 160 | line++;
|
---|
| 161 | column = 0;
|
---|
| 162 | } else if (c) {
|
---|
| 163 | column += c.length;
|
---|
| 164 | } else {
|
---|
| 165 | column++;
|
---|
| 166 | }
|
---|
| 167 |
|
---|
| 168 | if (c) {
|
---|
| 169 | pos += c.length;
|
---|
| 170 | }
|
---|
| 171 |
|
---|
| 172 | return c
|
---|
| 173 | }
|
---|
| 174 |
|
---|
| 175 | const lexStates = {
|
---|
| 176 | default () {
|
---|
| 177 | switch (c) {
|
---|
| 178 | case '\t':
|
---|
| 179 | case '\v':
|
---|
| 180 | case '\f':
|
---|
| 181 | case ' ':
|
---|
| 182 | case '\u00A0':
|
---|
| 183 | case '\uFEFF':
|
---|
| 184 | case '\n':
|
---|
| 185 | case '\r':
|
---|
| 186 | case '\u2028':
|
---|
| 187 | case '\u2029':
|
---|
| 188 | read();
|
---|
| 189 | return
|
---|
| 190 |
|
---|
| 191 | case '/':
|
---|
| 192 | read();
|
---|
| 193 | lexState = 'comment';
|
---|
| 194 | return
|
---|
| 195 |
|
---|
| 196 | case undefined:
|
---|
| 197 | read();
|
---|
| 198 | return newToken('eof')
|
---|
| 199 | }
|
---|
| 200 |
|
---|
| 201 | if (util.isSpaceSeparator(c)) {
|
---|
| 202 | read();
|
---|
| 203 | return
|
---|
| 204 | }
|
---|
| 205 |
|
---|
| 206 | // This code is unreachable.
|
---|
| 207 | // if (!lexStates[parseState]) {
|
---|
| 208 | // throw invalidLexState(parseState)
|
---|
| 209 | // }
|
---|
| 210 |
|
---|
| 211 | return lexStates[parseState]()
|
---|
| 212 | },
|
---|
| 213 |
|
---|
| 214 | comment () {
|
---|
| 215 | switch (c) {
|
---|
| 216 | case '*':
|
---|
| 217 | read();
|
---|
| 218 | lexState = 'multiLineComment';
|
---|
| 219 | return
|
---|
| 220 |
|
---|
| 221 | case '/':
|
---|
| 222 | read();
|
---|
| 223 | lexState = 'singleLineComment';
|
---|
| 224 | return
|
---|
| 225 | }
|
---|
| 226 |
|
---|
| 227 | throw invalidChar(read())
|
---|
| 228 | },
|
---|
| 229 |
|
---|
| 230 | multiLineComment () {
|
---|
| 231 | switch (c) {
|
---|
| 232 | case '*':
|
---|
| 233 | read();
|
---|
| 234 | lexState = 'multiLineCommentAsterisk';
|
---|
| 235 | return
|
---|
| 236 |
|
---|
| 237 | case undefined:
|
---|
| 238 | throw invalidChar(read())
|
---|
| 239 | }
|
---|
| 240 |
|
---|
| 241 | read();
|
---|
| 242 | },
|
---|
| 243 |
|
---|
| 244 | multiLineCommentAsterisk () {
|
---|
| 245 | switch (c) {
|
---|
| 246 | case '*':
|
---|
| 247 | read();
|
---|
| 248 | return
|
---|
| 249 |
|
---|
| 250 | case '/':
|
---|
| 251 | read();
|
---|
| 252 | lexState = 'default';
|
---|
| 253 | return
|
---|
| 254 |
|
---|
| 255 | case undefined:
|
---|
| 256 | throw invalidChar(read())
|
---|
| 257 | }
|
---|
| 258 |
|
---|
| 259 | read();
|
---|
| 260 | lexState = 'multiLineComment';
|
---|
| 261 | },
|
---|
| 262 |
|
---|
| 263 | singleLineComment () {
|
---|
| 264 | switch (c) {
|
---|
| 265 | case '\n':
|
---|
| 266 | case '\r':
|
---|
| 267 | case '\u2028':
|
---|
| 268 | case '\u2029':
|
---|
| 269 | read();
|
---|
| 270 | lexState = 'default';
|
---|
| 271 | return
|
---|
| 272 |
|
---|
| 273 | case undefined:
|
---|
| 274 | read();
|
---|
| 275 | return newToken('eof')
|
---|
| 276 | }
|
---|
| 277 |
|
---|
| 278 | read();
|
---|
| 279 | },
|
---|
| 280 |
|
---|
| 281 | value () {
|
---|
| 282 | switch (c) {
|
---|
| 283 | case '{':
|
---|
| 284 | case '[':
|
---|
| 285 | return newToken('punctuator', read())
|
---|
| 286 |
|
---|
| 287 | case 'n':
|
---|
| 288 | read();
|
---|
| 289 | literal('ull');
|
---|
| 290 | return newToken('null', null)
|
---|
| 291 |
|
---|
| 292 | case 't':
|
---|
| 293 | read();
|
---|
| 294 | literal('rue');
|
---|
| 295 | return newToken('boolean', true)
|
---|
| 296 |
|
---|
| 297 | case 'f':
|
---|
| 298 | read();
|
---|
| 299 | literal('alse');
|
---|
| 300 | return newToken('boolean', false)
|
---|
| 301 |
|
---|
| 302 | case '-':
|
---|
| 303 | case '+':
|
---|
| 304 | if (read() === '-') {
|
---|
| 305 | sign = -1;
|
---|
| 306 | }
|
---|
| 307 |
|
---|
| 308 | lexState = 'sign';
|
---|
| 309 | return
|
---|
| 310 |
|
---|
| 311 | case '.':
|
---|
| 312 | buffer = read();
|
---|
| 313 | lexState = 'decimalPointLeading';
|
---|
| 314 | return
|
---|
| 315 |
|
---|
| 316 | case '0':
|
---|
| 317 | buffer = read();
|
---|
| 318 | lexState = 'zero';
|
---|
| 319 | return
|
---|
| 320 |
|
---|
| 321 | case '1':
|
---|
| 322 | case '2':
|
---|
| 323 | case '3':
|
---|
| 324 | case '4':
|
---|
| 325 | case '5':
|
---|
| 326 | case '6':
|
---|
| 327 | case '7':
|
---|
| 328 | case '8':
|
---|
| 329 | case '9':
|
---|
| 330 | buffer = read();
|
---|
| 331 | lexState = 'decimalInteger';
|
---|
| 332 | return
|
---|
| 333 |
|
---|
| 334 | case 'I':
|
---|
| 335 | read();
|
---|
| 336 | literal('nfinity');
|
---|
| 337 | return newToken('numeric', Infinity)
|
---|
| 338 |
|
---|
| 339 | case 'N':
|
---|
| 340 | read();
|
---|
| 341 | literal('aN');
|
---|
| 342 | return newToken('numeric', NaN)
|
---|
| 343 |
|
---|
| 344 | case '"':
|
---|
| 345 | case "'":
|
---|
| 346 | doubleQuote = (read() === '"');
|
---|
| 347 | buffer = '';
|
---|
| 348 | lexState = 'string';
|
---|
| 349 | return
|
---|
| 350 | }
|
---|
| 351 |
|
---|
| 352 | throw invalidChar(read())
|
---|
| 353 | },
|
---|
| 354 |
|
---|
| 355 | identifierNameStartEscape () {
|
---|
| 356 | if (c !== 'u') {
|
---|
| 357 | throw invalidChar(read())
|
---|
| 358 | }
|
---|
| 359 |
|
---|
| 360 | read();
|
---|
| 361 | const u = unicodeEscape();
|
---|
| 362 | switch (u) {
|
---|
| 363 | case '$':
|
---|
| 364 | case '_':
|
---|
| 365 | break
|
---|
| 366 |
|
---|
| 367 | default:
|
---|
| 368 | if (!util.isIdStartChar(u)) {
|
---|
| 369 | throw invalidIdentifier()
|
---|
| 370 | }
|
---|
| 371 |
|
---|
| 372 | break
|
---|
| 373 | }
|
---|
| 374 |
|
---|
| 375 | buffer += u;
|
---|
| 376 | lexState = 'identifierName';
|
---|
| 377 | },
|
---|
| 378 |
|
---|
| 379 | identifierName () {
|
---|
| 380 | switch (c) {
|
---|
| 381 | case '$':
|
---|
| 382 | case '_':
|
---|
| 383 | case '\u200C':
|
---|
| 384 | case '\u200D':
|
---|
| 385 | buffer += read();
|
---|
| 386 | return
|
---|
| 387 |
|
---|
| 388 | case '\\':
|
---|
| 389 | read();
|
---|
| 390 | lexState = 'identifierNameEscape';
|
---|
| 391 | return
|
---|
| 392 | }
|
---|
| 393 |
|
---|
| 394 | if (util.isIdContinueChar(c)) {
|
---|
| 395 | buffer += read();
|
---|
| 396 | return
|
---|
| 397 | }
|
---|
| 398 |
|
---|
| 399 | return newToken('identifier', buffer)
|
---|
| 400 | },
|
---|
| 401 |
|
---|
| 402 | identifierNameEscape () {
|
---|
| 403 | if (c !== 'u') {
|
---|
| 404 | throw invalidChar(read())
|
---|
| 405 | }
|
---|
| 406 |
|
---|
| 407 | read();
|
---|
| 408 | const u = unicodeEscape();
|
---|
| 409 | switch (u) {
|
---|
| 410 | case '$':
|
---|
| 411 | case '_':
|
---|
| 412 | case '\u200C':
|
---|
| 413 | case '\u200D':
|
---|
| 414 | break
|
---|
| 415 |
|
---|
| 416 | default:
|
---|
| 417 | if (!util.isIdContinueChar(u)) {
|
---|
| 418 | throw invalidIdentifier()
|
---|
| 419 | }
|
---|
| 420 |
|
---|
| 421 | break
|
---|
| 422 | }
|
---|
| 423 |
|
---|
| 424 | buffer += u;
|
---|
| 425 | lexState = 'identifierName';
|
---|
| 426 | },
|
---|
| 427 |
|
---|
| 428 | sign () {
|
---|
| 429 | switch (c) {
|
---|
| 430 | case '.':
|
---|
| 431 | buffer = read();
|
---|
| 432 | lexState = 'decimalPointLeading';
|
---|
| 433 | return
|
---|
| 434 |
|
---|
| 435 | case '0':
|
---|
| 436 | buffer = read();
|
---|
| 437 | lexState = 'zero';
|
---|
| 438 | return
|
---|
| 439 |
|
---|
| 440 | case '1':
|
---|
| 441 | case '2':
|
---|
| 442 | case '3':
|
---|
| 443 | case '4':
|
---|
| 444 | case '5':
|
---|
| 445 | case '6':
|
---|
| 446 | case '7':
|
---|
| 447 | case '8':
|
---|
| 448 | case '9':
|
---|
| 449 | buffer = read();
|
---|
| 450 | lexState = 'decimalInteger';
|
---|
| 451 | return
|
---|
| 452 |
|
---|
| 453 | case 'I':
|
---|
| 454 | read();
|
---|
| 455 | literal('nfinity');
|
---|
| 456 | return newToken('numeric', sign * Infinity)
|
---|
| 457 |
|
---|
| 458 | case 'N':
|
---|
| 459 | read();
|
---|
| 460 | literal('aN');
|
---|
| 461 | return newToken('numeric', NaN)
|
---|
| 462 | }
|
---|
| 463 |
|
---|
| 464 | throw invalidChar(read())
|
---|
| 465 | },
|
---|
| 466 |
|
---|
| 467 | zero () {
|
---|
| 468 | switch (c) {
|
---|
| 469 | case '.':
|
---|
| 470 | buffer += read();
|
---|
| 471 | lexState = 'decimalPoint';
|
---|
| 472 | return
|
---|
| 473 |
|
---|
| 474 | case 'e':
|
---|
| 475 | case 'E':
|
---|
| 476 | buffer += read();
|
---|
| 477 | lexState = 'decimalExponent';
|
---|
| 478 | return
|
---|
| 479 |
|
---|
| 480 | case 'x':
|
---|
| 481 | case 'X':
|
---|
| 482 | buffer += read();
|
---|
| 483 | lexState = 'hexadecimal';
|
---|
| 484 | return
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 | return newToken('numeric', sign * 0)
|
---|
| 488 | },
|
---|
| 489 |
|
---|
| 490 | decimalInteger () {
|
---|
| 491 | switch (c) {
|
---|
| 492 | case '.':
|
---|
| 493 | buffer += read();
|
---|
| 494 | lexState = 'decimalPoint';
|
---|
| 495 | return
|
---|
| 496 |
|
---|
| 497 | case 'e':
|
---|
| 498 | case 'E':
|
---|
| 499 | buffer += read();
|
---|
| 500 | lexState = 'decimalExponent';
|
---|
| 501 | return
|
---|
| 502 | }
|
---|
| 503 |
|
---|
| 504 | if (util.isDigit(c)) {
|
---|
| 505 | buffer += read();
|
---|
| 506 | return
|
---|
| 507 | }
|
---|
| 508 |
|
---|
| 509 | return newToken('numeric', sign * Number(buffer))
|
---|
| 510 | },
|
---|
| 511 |
|
---|
| 512 | decimalPointLeading () {
|
---|
| 513 | if (util.isDigit(c)) {
|
---|
| 514 | buffer += read();
|
---|
| 515 | lexState = 'decimalFraction';
|
---|
| 516 | return
|
---|
| 517 | }
|
---|
| 518 |
|
---|
| 519 | throw invalidChar(read())
|
---|
| 520 | },
|
---|
| 521 |
|
---|
| 522 | decimalPoint () {
|
---|
| 523 | switch (c) {
|
---|
| 524 | case 'e':
|
---|
| 525 | case 'E':
|
---|
| 526 | buffer += read();
|
---|
| 527 | lexState = 'decimalExponent';
|
---|
| 528 | return
|
---|
| 529 | }
|
---|
| 530 |
|
---|
| 531 | if (util.isDigit(c)) {
|
---|
| 532 | buffer += read();
|
---|
| 533 | lexState = 'decimalFraction';
|
---|
| 534 | return
|
---|
| 535 | }
|
---|
| 536 |
|
---|
| 537 | return newToken('numeric', sign * Number(buffer))
|
---|
| 538 | },
|
---|
| 539 |
|
---|
| 540 | decimalFraction () {
|
---|
| 541 | switch (c) {
|
---|
| 542 | case 'e':
|
---|
| 543 | case 'E':
|
---|
| 544 | buffer += read();
|
---|
| 545 | lexState = 'decimalExponent';
|
---|
| 546 | return
|
---|
| 547 | }
|
---|
| 548 |
|
---|
| 549 | if (util.isDigit(c)) {
|
---|
| 550 | buffer += read();
|
---|
| 551 | return
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | return newToken('numeric', sign * Number(buffer))
|
---|
| 555 | },
|
---|
| 556 |
|
---|
| 557 | decimalExponent () {
|
---|
| 558 | switch (c) {
|
---|
| 559 | case '+':
|
---|
| 560 | case '-':
|
---|
| 561 | buffer += read();
|
---|
| 562 | lexState = 'decimalExponentSign';
|
---|
| 563 | return
|
---|
| 564 | }
|
---|
| 565 |
|
---|
| 566 | if (util.isDigit(c)) {
|
---|
| 567 | buffer += read();
|
---|
| 568 | lexState = 'decimalExponentInteger';
|
---|
| 569 | return
|
---|
| 570 | }
|
---|
| 571 |
|
---|
| 572 | throw invalidChar(read())
|
---|
| 573 | },
|
---|
| 574 |
|
---|
| 575 | decimalExponentSign () {
|
---|
| 576 | if (util.isDigit(c)) {
|
---|
| 577 | buffer += read();
|
---|
| 578 | lexState = 'decimalExponentInteger';
|
---|
| 579 | return
|
---|
| 580 | }
|
---|
| 581 |
|
---|
| 582 | throw invalidChar(read())
|
---|
| 583 | },
|
---|
| 584 |
|
---|
| 585 | decimalExponentInteger () {
|
---|
| 586 | if (util.isDigit(c)) {
|
---|
| 587 | buffer += read();
|
---|
| 588 | return
|
---|
| 589 | }
|
---|
| 590 |
|
---|
| 591 | return newToken('numeric', sign * Number(buffer))
|
---|
| 592 | },
|
---|
| 593 |
|
---|
| 594 | hexadecimal () {
|
---|
| 595 | if (util.isHexDigit(c)) {
|
---|
| 596 | buffer += read();
|
---|
| 597 | lexState = 'hexadecimalInteger';
|
---|
| 598 | return
|
---|
| 599 | }
|
---|
| 600 |
|
---|
| 601 | throw invalidChar(read())
|
---|
| 602 | },
|
---|
| 603 |
|
---|
| 604 | hexadecimalInteger () {
|
---|
| 605 | if (util.isHexDigit(c)) {
|
---|
| 606 | buffer += read();
|
---|
| 607 | return
|
---|
| 608 | }
|
---|
| 609 |
|
---|
| 610 | return newToken('numeric', sign * Number(buffer))
|
---|
| 611 | },
|
---|
| 612 |
|
---|
| 613 | string () {
|
---|
| 614 | switch (c) {
|
---|
| 615 | case '\\':
|
---|
| 616 | read();
|
---|
| 617 | buffer += escape();
|
---|
| 618 | return
|
---|
| 619 |
|
---|
| 620 | case '"':
|
---|
| 621 | if (doubleQuote) {
|
---|
| 622 | read();
|
---|
| 623 | return newToken('string', buffer)
|
---|
| 624 | }
|
---|
| 625 |
|
---|
| 626 | buffer += read();
|
---|
| 627 | return
|
---|
| 628 |
|
---|
| 629 | case "'":
|
---|
| 630 | if (!doubleQuote) {
|
---|
| 631 | read();
|
---|
| 632 | return newToken('string', buffer)
|
---|
| 633 | }
|
---|
| 634 |
|
---|
| 635 | buffer += read();
|
---|
| 636 | return
|
---|
| 637 |
|
---|
| 638 | case '\n':
|
---|
| 639 | case '\r':
|
---|
| 640 | throw invalidChar(read())
|
---|
| 641 |
|
---|
| 642 | case '\u2028':
|
---|
| 643 | case '\u2029':
|
---|
| 644 | separatorChar(c);
|
---|
| 645 | break
|
---|
| 646 |
|
---|
| 647 | case undefined:
|
---|
| 648 | throw invalidChar(read())
|
---|
| 649 | }
|
---|
| 650 |
|
---|
| 651 | buffer += read();
|
---|
| 652 | },
|
---|
| 653 |
|
---|
| 654 | start () {
|
---|
| 655 | switch (c) {
|
---|
| 656 | case '{':
|
---|
| 657 | case '[':
|
---|
| 658 | return newToken('punctuator', read())
|
---|
| 659 |
|
---|
| 660 | // This code is unreachable since the default lexState handles eof.
|
---|
| 661 | // case undefined:
|
---|
| 662 | // return newToken('eof')
|
---|
| 663 | }
|
---|
| 664 |
|
---|
| 665 | lexState = 'value';
|
---|
| 666 | },
|
---|
| 667 |
|
---|
| 668 | beforePropertyName () {
|
---|
| 669 | switch (c) {
|
---|
| 670 | case '$':
|
---|
| 671 | case '_':
|
---|
| 672 | buffer = read();
|
---|
| 673 | lexState = 'identifierName';
|
---|
| 674 | return
|
---|
| 675 |
|
---|
| 676 | case '\\':
|
---|
| 677 | read();
|
---|
| 678 | lexState = 'identifierNameStartEscape';
|
---|
| 679 | return
|
---|
| 680 |
|
---|
| 681 | case '}':
|
---|
| 682 | return newToken('punctuator', read())
|
---|
| 683 |
|
---|
| 684 | case '"':
|
---|
| 685 | case "'":
|
---|
| 686 | doubleQuote = (read() === '"');
|
---|
| 687 | lexState = 'string';
|
---|
| 688 | return
|
---|
| 689 | }
|
---|
| 690 |
|
---|
| 691 | if (util.isIdStartChar(c)) {
|
---|
| 692 | buffer += read();
|
---|
| 693 | lexState = 'identifierName';
|
---|
| 694 | return
|
---|
| 695 | }
|
---|
| 696 |
|
---|
| 697 | throw invalidChar(read())
|
---|
| 698 | },
|
---|
| 699 |
|
---|
| 700 | afterPropertyName () {
|
---|
| 701 | if (c === ':') {
|
---|
| 702 | return newToken('punctuator', read())
|
---|
| 703 | }
|
---|
| 704 |
|
---|
| 705 | throw invalidChar(read())
|
---|
| 706 | },
|
---|
| 707 |
|
---|
| 708 | beforePropertyValue () {
|
---|
| 709 | lexState = 'value';
|
---|
| 710 | },
|
---|
| 711 |
|
---|
| 712 | afterPropertyValue () {
|
---|
| 713 | switch (c) {
|
---|
| 714 | case ',':
|
---|
| 715 | case '}':
|
---|
| 716 | return newToken('punctuator', read())
|
---|
| 717 | }
|
---|
| 718 |
|
---|
| 719 | throw invalidChar(read())
|
---|
| 720 | },
|
---|
| 721 |
|
---|
| 722 | beforeArrayValue () {
|
---|
| 723 | if (c === ']') {
|
---|
| 724 | return newToken('punctuator', read())
|
---|
| 725 | }
|
---|
| 726 |
|
---|
| 727 | lexState = 'value';
|
---|
| 728 | },
|
---|
| 729 |
|
---|
| 730 | afterArrayValue () {
|
---|
| 731 | switch (c) {
|
---|
| 732 | case ',':
|
---|
| 733 | case ']':
|
---|
| 734 | return newToken('punctuator', read())
|
---|
| 735 | }
|
---|
| 736 |
|
---|
| 737 | throw invalidChar(read())
|
---|
| 738 | },
|
---|
| 739 |
|
---|
| 740 | end () {
|
---|
| 741 | // This code is unreachable since it's handled by the default lexState.
|
---|
| 742 | // if (c === undefined) {
|
---|
| 743 | // read()
|
---|
| 744 | // return newToken('eof')
|
---|
| 745 | // }
|
---|
| 746 |
|
---|
| 747 | throw invalidChar(read())
|
---|
| 748 | },
|
---|
| 749 | };
|
---|
| 750 |
|
---|
| 751 | function newToken (type, value) {
|
---|
| 752 | return {
|
---|
| 753 | type,
|
---|
| 754 | value,
|
---|
| 755 | line,
|
---|
| 756 | column,
|
---|
| 757 | }
|
---|
| 758 | }
|
---|
| 759 |
|
---|
| 760 | function literal (s) {
|
---|
| 761 | for (const c of s) {
|
---|
| 762 | const p = peek();
|
---|
| 763 |
|
---|
| 764 | if (p !== c) {
|
---|
| 765 | throw invalidChar(read())
|
---|
| 766 | }
|
---|
| 767 |
|
---|
| 768 | read();
|
---|
| 769 | }
|
---|
| 770 | }
|
---|
| 771 |
|
---|
| 772 | function escape () {
|
---|
| 773 | const c = peek();
|
---|
| 774 | switch (c) {
|
---|
| 775 | case 'b':
|
---|
| 776 | read();
|
---|
| 777 | return '\b'
|
---|
| 778 |
|
---|
| 779 | case 'f':
|
---|
| 780 | read();
|
---|
| 781 | return '\f'
|
---|
| 782 |
|
---|
| 783 | case 'n':
|
---|
| 784 | read();
|
---|
| 785 | return '\n'
|
---|
| 786 |
|
---|
| 787 | case 'r':
|
---|
| 788 | read();
|
---|
| 789 | return '\r'
|
---|
| 790 |
|
---|
| 791 | case 't':
|
---|
| 792 | read();
|
---|
| 793 | return '\t'
|
---|
| 794 |
|
---|
| 795 | case 'v':
|
---|
| 796 | read();
|
---|
| 797 | return '\v'
|
---|
| 798 |
|
---|
| 799 | case '0':
|
---|
| 800 | read();
|
---|
| 801 | if (util.isDigit(peek())) {
|
---|
| 802 | throw invalidChar(read())
|
---|
| 803 | }
|
---|
| 804 |
|
---|
| 805 | return '\0'
|
---|
| 806 |
|
---|
| 807 | case 'x':
|
---|
| 808 | read();
|
---|
| 809 | return hexEscape()
|
---|
| 810 |
|
---|
| 811 | case 'u':
|
---|
| 812 | read();
|
---|
| 813 | return unicodeEscape()
|
---|
| 814 |
|
---|
| 815 | case '\n':
|
---|
| 816 | case '\u2028':
|
---|
| 817 | case '\u2029':
|
---|
| 818 | read();
|
---|
| 819 | return ''
|
---|
| 820 |
|
---|
| 821 | case '\r':
|
---|
| 822 | read();
|
---|
| 823 | if (peek() === '\n') {
|
---|
| 824 | read();
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 | return ''
|
---|
| 828 |
|
---|
| 829 | case '1':
|
---|
| 830 | case '2':
|
---|
| 831 | case '3':
|
---|
| 832 | case '4':
|
---|
| 833 | case '5':
|
---|
| 834 | case '6':
|
---|
| 835 | case '7':
|
---|
| 836 | case '8':
|
---|
| 837 | case '9':
|
---|
| 838 | throw invalidChar(read())
|
---|
| 839 |
|
---|
| 840 | case undefined:
|
---|
| 841 | throw invalidChar(read())
|
---|
| 842 | }
|
---|
| 843 |
|
---|
| 844 | return read()
|
---|
| 845 | }
|
---|
| 846 |
|
---|
| 847 | function hexEscape () {
|
---|
| 848 | let buffer = '';
|
---|
| 849 | let c = peek();
|
---|
| 850 |
|
---|
| 851 | if (!util.isHexDigit(c)) {
|
---|
| 852 | throw invalidChar(read())
|
---|
| 853 | }
|
---|
| 854 |
|
---|
| 855 | buffer += read();
|
---|
| 856 |
|
---|
| 857 | c = peek();
|
---|
| 858 | if (!util.isHexDigit(c)) {
|
---|
| 859 | throw invalidChar(read())
|
---|
| 860 | }
|
---|
| 861 |
|
---|
| 862 | buffer += read();
|
---|
| 863 |
|
---|
| 864 | return String.fromCodePoint(parseInt(buffer, 16))
|
---|
| 865 | }
|
---|
| 866 |
|
---|
| 867 | function unicodeEscape () {
|
---|
| 868 | let buffer = '';
|
---|
| 869 | let count = 4;
|
---|
| 870 |
|
---|
| 871 | while (count-- > 0) {
|
---|
| 872 | const c = peek();
|
---|
| 873 | if (!util.isHexDigit(c)) {
|
---|
| 874 | throw invalidChar(read())
|
---|
| 875 | }
|
---|
| 876 |
|
---|
| 877 | buffer += read();
|
---|
| 878 | }
|
---|
| 879 |
|
---|
| 880 | return String.fromCodePoint(parseInt(buffer, 16))
|
---|
| 881 | }
|
---|
| 882 |
|
---|
| 883 | const parseStates = {
|
---|
| 884 | start () {
|
---|
| 885 | if (token.type === 'eof') {
|
---|
| 886 | throw invalidEOF()
|
---|
| 887 | }
|
---|
| 888 |
|
---|
| 889 | push();
|
---|
| 890 | },
|
---|
| 891 |
|
---|
| 892 | beforePropertyName () {
|
---|
| 893 | switch (token.type) {
|
---|
| 894 | case 'identifier':
|
---|
| 895 | case 'string':
|
---|
| 896 | key = token.value;
|
---|
| 897 | parseState = 'afterPropertyName';
|
---|
| 898 | return
|
---|
| 899 |
|
---|
| 900 | case 'punctuator':
|
---|
| 901 | // This code is unreachable since it's handled by the lexState.
|
---|
| 902 | // if (token.value !== '}') {
|
---|
| 903 | // throw invalidToken()
|
---|
| 904 | // }
|
---|
| 905 |
|
---|
| 906 | pop();
|
---|
| 907 | return
|
---|
| 908 |
|
---|
| 909 | case 'eof':
|
---|
| 910 | throw invalidEOF()
|
---|
| 911 | }
|
---|
| 912 |
|
---|
| 913 | // This code is unreachable since it's handled by the lexState.
|
---|
| 914 | // throw invalidToken()
|
---|
| 915 | },
|
---|
| 916 |
|
---|
| 917 | afterPropertyName () {
|
---|
| 918 | // This code is unreachable since it's handled by the lexState.
|
---|
| 919 | // if (token.type !== 'punctuator' || token.value !== ':') {
|
---|
| 920 | // throw invalidToken()
|
---|
| 921 | // }
|
---|
| 922 |
|
---|
| 923 | if (token.type === 'eof') {
|
---|
| 924 | throw invalidEOF()
|
---|
| 925 | }
|
---|
| 926 |
|
---|
| 927 | parseState = 'beforePropertyValue';
|
---|
| 928 | },
|
---|
| 929 |
|
---|
| 930 | beforePropertyValue () {
|
---|
| 931 | if (token.type === 'eof') {
|
---|
| 932 | throw invalidEOF()
|
---|
| 933 | }
|
---|
| 934 |
|
---|
| 935 | push();
|
---|
| 936 | },
|
---|
| 937 |
|
---|
| 938 | beforeArrayValue () {
|
---|
| 939 | if (token.type === 'eof') {
|
---|
| 940 | throw invalidEOF()
|
---|
| 941 | }
|
---|
| 942 |
|
---|
| 943 | if (token.type === 'punctuator' && token.value === ']') {
|
---|
| 944 | pop();
|
---|
| 945 | return
|
---|
| 946 | }
|
---|
| 947 |
|
---|
| 948 | push();
|
---|
| 949 | },
|
---|
| 950 |
|
---|
| 951 | afterPropertyValue () {
|
---|
| 952 | // This code is unreachable since it's handled by the lexState.
|
---|
| 953 | // if (token.type !== 'punctuator') {
|
---|
| 954 | // throw invalidToken()
|
---|
| 955 | // }
|
---|
| 956 |
|
---|
| 957 | if (token.type === 'eof') {
|
---|
| 958 | throw invalidEOF()
|
---|
| 959 | }
|
---|
| 960 |
|
---|
| 961 | switch (token.value) {
|
---|
| 962 | case ',':
|
---|
| 963 | parseState = 'beforePropertyName';
|
---|
| 964 | return
|
---|
| 965 |
|
---|
| 966 | case '}':
|
---|
| 967 | pop();
|
---|
| 968 | }
|
---|
| 969 |
|
---|
| 970 | // This code is unreachable since it's handled by the lexState.
|
---|
| 971 | // throw invalidToken()
|
---|
| 972 | },
|
---|
| 973 |
|
---|
| 974 | afterArrayValue () {
|
---|
| 975 | // This code is unreachable since it's handled by the lexState.
|
---|
| 976 | // if (token.type !== 'punctuator') {
|
---|
| 977 | // throw invalidToken()
|
---|
| 978 | // }
|
---|
| 979 |
|
---|
| 980 | if (token.type === 'eof') {
|
---|
| 981 | throw invalidEOF()
|
---|
| 982 | }
|
---|
| 983 |
|
---|
| 984 | switch (token.value) {
|
---|
| 985 | case ',':
|
---|
| 986 | parseState = 'beforeArrayValue';
|
---|
| 987 | return
|
---|
| 988 |
|
---|
| 989 | case ']':
|
---|
| 990 | pop();
|
---|
| 991 | }
|
---|
| 992 |
|
---|
| 993 | // This code is unreachable since it's handled by the lexState.
|
---|
| 994 | // throw invalidToken()
|
---|
| 995 | },
|
---|
| 996 |
|
---|
| 997 | end () {
|
---|
| 998 | // This code is unreachable since it's handled by the lexState.
|
---|
| 999 | // if (token.type !== 'eof') {
|
---|
| 1000 | // throw invalidToken()
|
---|
| 1001 | // }
|
---|
| 1002 | },
|
---|
| 1003 | };
|
---|
| 1004 |
|
---|
| 1005 | function push () {
|
---|
| 1006 | let value;
|
---|
| 1007 |
|
---|
| 1008 | switch (token.type) {
|
---|
| 1009 | case 'punctuator':
|
---|
| 1010 | switch (token.value) {
|
---|
| 1011 | case '{':
|
---|
| 1012 | value = {};
|
---|
| 1013 | break
|
---|
| 1014 |
|
---|
| 1015 | case '[':
|
---|
| 1016 | value = [];
|
---|
| 1017 | break
|
---|
| 1018 | }
|
---|
| 1019 |
|
---|
| 1020 | break
|
---|
| 1021 |
|
---|
| 1022 | case 'null':
|
---|
| 1023 | case 'boolean':
|
---|
| 1024 | case 'numeric':
|
---|
| 1025 | case 'string':
|
---|
| 1026 | value = token.value;
|
---|
| 1027 | break
|
---|
| 1028 |
|
---|
| 1029 | // This code is unreachable.
|
---|
| 1030 | // default:
|
---|
| 1031 | // throw invalidToken()
|
---|
| 1032 | }
|
---|
| 1033 |
|
---|
| 1034 | if (root === undefined) {
|
---|
| 1035 | root = value;
|
---|
| 1036 | } else {
|
---|
| 1037 | const parent = stack[stack.length - 1];
|
---|
| 1038 | if (Array.isArray(parent)) {
|
---|
| 1039 | parent.push(value);
|
---|
| 1040 | } else {
|
---|
| 1041 | Object.defineProperty(parent, key, {
|
---|
| 1042 | value,
|
---|
| 1043 | writable: true,
|
---|
| 1044 | enumerable: true,
|
---|
| 1045 | configurable: true,
|
---|
| 1046 | });
|
---|
| 1047 | }
|
---|
| 1048 | }
|
---|
| 1049 |
|
---|
| 1050 | if (value !== null && typeof value === 'object') {
|
---|
| 1051 | stack.push(value);
|
---|
| 1052 |
|
---|
| 1053 | if (Array.isArray(value)) {
|
---|
| 1054 | parseState = 'beforeArrayValue';
|
---|
| 1055 | } else {
|
---|
| 1056 | parseState = 'beforePropertyName';
|
---|
| 1057 | }
|
---|
| 1058 | } else {
|
---|
| 1059 | const current = stack[stack.length - 1];
|
---|
| 1060 | if (current == null) {
|
---|
| 1061 | parseState = 'end';
|
---|
| 1062 | } else if (Array.isArray(current)) {
|
---|
| 1063 | parseState = 'afterArrayValue';
|
---|
| 1064 | } else {
|
---|
| 1065 | parseState = 'afterPropertyValue';
|
---|
| 1066 | }
|
---|
| 1067 | }
|
---|
| 1068 | }
|
---|
| 1069 |
|
---|
| 1070 | function pop () {
|
---|
| 1071 | stack.pop();
|
---|
| 1072 |
|
---|
| 1073 | const current = stack[stack.length - 1];
|
---|
| 1074 | if (current == null) {
|
---|
| 1075 | parseState = 'end';
|
---|
| 1076 | } else if (Array.isArray(current)) {
|
---|
| 1077 | parseState = 'afterArrayValue';
|
---|
| 1078 | } else {
|
---|
| 1079 | parseState = 'afterPropertyValue';
|
---|
| 1080 | }
|
---|
| 1081 | }
|
---|
| 1082 |
|
---|
| 1083 | // This code is unreachable.
|
---|
| 1084 | // function invalidParseState () {
|
---|
| 1085 | // return new Error(`JSON5: invalid parse state '${parseState}'`)
|
---|
| 1086 | // }
|
---|
| 1087 |
|
---|
| 1088 | // This code is unreachable.
|
---|
| 1089 | // function invalidLexState (state) {
|
---|
| 1090 | // return new Error(`JSON5: invalid lex state '${state}'`)
|
---|
| 1091 | // }
|
---|
| 1092 |
|
---|
| 1093 | function invalidChar (c) {
|
---|
| 1094 | if (c === undefined) {
|
---|
| 1095 | return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
|
---|
| 1096 | }
|
---|
| 1097 |
|
---|
| 1098 | return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
|
---|
| 1099 | }
|
---|
| 1100 |
|
---|
| 1101 | function invalidEOF () {
|
---|
| 1102 | return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
|
---|
| 1103 | }
|
---|
| 1104 |
|
---|
| 1105 | // This code is unreachable.
|
---|
| 1106 | // function invalidToken () {
|
---|
| 1107 | // if (token.type === 'eof') {
|
---|
| 1108 | // return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
|
---|
| 1109 | // }
|
---|
| 1110 |
|
---|
| 1111 | // const c = String.fromCodePoint(token.value.codePointAt(0))
|
---|
| 1112 | // return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
|
---|
| 1113 | // }
|
---|
| 1114 |
|
---|
| 1115 | function invalidIdentifier () {
|
---|
| 1116 | column -= 5;
|
---|
| 1117 | return syntaxError(`JSON5: invalid identifier character at ${line}:${column}`)
|
---|
| 1118 | }
|
---|
| 1119 |
|
---|
| 1120 | function separatorChar (c) {
|
---|
| 1121 | console.warn(`JSON5: '${formatChar(c)}' in strings is not valid ECMAScript; consider escaping`);
|
---|
| 1122 | }
|
---|
| 1123 |
|
---|
| 1124 | function formatChar (c) {
|
---|
| 1125 | const replacements = {
|
---|
| 1126 | "'": "\\'",
|
---|
| 1127 | '"': '\\"',
|
---|
| 1128 | '\\': '\\\\',
|
---|
| 1129 | '\b': '\\b',
|
---|
| 1130 | '\f': '\\f',
|
---|
| 1131 | '\n': '\\n',
|
---|
| 1132 | '\r': '\\r',
|
---|
| 1133 | '\t': '\\t',
|
---|
| 1134 | '\v': '\\v',
|
---|
| 1135 | '\0': '\\0',
|
---|
| 1136 | '\u2028': '\\u2028',
|
---|
| 1137 | '\u2029': '\\u2029',
|
---|
| 1138 | };
|
---|
| 1139 |
|
---|
| 1140 | if (replacements[c]) {
|
---|
| 1141 | return replacements[c]
|
---|
| 1142 | }
|
---|
| 1143 |
|
---|
| 1144 | if (c < ' ') {
|
---|
| 1145 | const hexString = c.charCodeAt(0).toString(16);
|
---|
| 1146 | return '\\x' + ('00' + hexString).substring(hexString.length)
|
---|
| 1147 | }
|
---|
| 1148 |
|
---|
| 1149 | return c
|
---|
| 1150 | }
|
---|
| 1151 |
|
---|
| 1152 | function syntaxError (message) {
|
---|
| 1153 | const err = new SyntaxError(message);
|
---|
| 1154 | err.lineNumber = line;
|
---|
| 1155 | err.columnNumber = column;
|
---|
| 1156 | return err
|
---|
| 1157 | }
|
---|
| 1158 |
|
---|
| 1159 | var stringify = function stringify (value, replacer, space) {
|
---|
| 1160 | const stack = [];
|
---|
| 1161 | let indent = '';
|
---|
| 1162 | let propertyList;
|
---|
| 1163 | let replacerFunc;
|
---|
| 1164 | let gap = '';
|
---|
| 1165 | let quote;
|
---|
| 1166 |
|
---|
| 1167 | if (
|
---|
| 1168 | replacer != null &&
|
---|
| 1169 | typeof replacer === 'object' &&
|
---|
| 1170 | !Array.isArray(replacer)
|
---|
| 1171 | ) {
|
---|
| 1172 | space = replacer.space;
|
---|
| 1173 | quote = replacer.quote;
|
---|
| 1174 | replacer = replacer.replacer;
|
---|
| 1175 | }
|
---|
| 1176 |
|
---|
| 1177 | if (typeof replacer === 'function') {
|
---|
| 1178 | replacerFunc = replacer;
|
---|
| 1179 | } else if (Array.isArray(replacer)) {
|
---|
| 1180 | propertyList = [];
|
---|
| 1181 | for (const v of replacer) {
|
---|
| 1182 | let item;
|
---|
| 1183 |
|
---|
| 1184 | if (typeof v === 'string') {
|
---|
| 1185 | item = v;
|
---|
| 1186 | } else if (
|
---|
| 1187 | typeof v === 'number' ||
|
---|
| 1188 | v instanceof String ||
|
---|
| 1189 | v instanceof Number
|
---|
| 1190 | ) {
|
---|
| 1191 | item = String(v);
|
---|
| 1192 | }
|
---|
| 1193 |
|
---|
| 1194 | if (item !== undefined && propertyList.indexOf(item) < 0) {
|
---|
| 1195 | propertyList.push(item);
|
---|
| 1196 | }
|
---|
| 1197 | }
|
---|
| 1198 | }
|
---|
| 1199 |
|
---|
| 1200 | if (space instanceof Number) {
|
---|
| 1201 | space = Number(space);
|
---|
| 1202 | } else if (space instanceof String) {
|
---|
| 1203 | space = String(space);
|
---|
| 1204 | }
|
---|
| 1205 |
|
---|
| 1206 | if (typeof space === 'number') {
|
---|
| 1207 | if (space > 0) {
|
---|
| 1208 | space = Math.min(10, Math.floor(space));
|
---|
| 1209 | gap = ' '.substr(0, space);
|
---|
| 1210 | }
|
---|
| 1211 | } else if (typeof space === 'string') {
|
---|
| 1212 | gap = space.substr(0, 10);
|
---|
| 1213 | }
|
---|
| 1214 |
|
---|
| 1215 | return serializeProperty('', {'': value})
|
---|
| 1216 |
|
---|
| 1217 | function serializeProperty (key, holder) {
|
---|
| 1218 | let value = holder[key];
|
---|
| 1219 | if (value != null) {
|
---|
| 1220 | if (typeof value.toJSON5 === 'function') {
|
---|
| 1221 | value = value.toJSON5(key);
|
---|
| 1222 | } else if (typeof value.toJSON === 'function') {
|
---|
| 1223 | value = value.toJSON(key);
|
---|
| 1224 | }
|
---|
| 1225 | }
|
---|
| 1226 |
|
---|
| 1227 | if (replacerFunc) {
|
---|
| 1228 | value = replacerFunc.call(holder, key, value);
|
---|
| 1229 | }
|
---|
| 1230 |
|
---|
| 1231 | if (value instanceof Number) {
|
---|
| 1232 | value = Number(value);
|
---|
| 1233 | } else if (value instanceof String) {
|
---|
| 1234 | value = String(value);
|
---|
| 1235 | } else if (value instanceof Boolean) {
|
---|
| 1236 | value = value.valueOf();
|
---|
| 1237 | }
|
---|
| 1238 |
|
---|
| 1239 | switch (value) {
|
---|
| 1240 | case null: return 'null'
|
---|
| 1241 | case true: return 'true'
|
---|
| 1242 | case false: return 'false'
|
---|
| 1243 | }
|
---|
| 1244 |
|
---|
| 1245 | if (typeof value === 'string') {
|
---|
| 1246 | return quoteString(value, false)
|
---|
| 1247 | }
|
---|
| 1248 |
|
---|
| 1249 | if (typeof value === 'number') {
|
---|
| 1250 | return String(value)
|
---|
| 1251 | }
|
---|
| 1252 |
|
---|
| 1253 | if (typeof value === 'object') {
|
---|
| 1254 | return Array.isArray(value) ? serializeArray(value) : serializeObject(value)
|
---|
| 1255 | }
|
---|
| 1256 |
|
---|
| 1257 | return undefined
|
---|
| 1258 | }
|
---|
| 1259 |
|
---|
| 1260 | function quoteString (value) {
|
---|
| 1261 | const quotes = {
|
---|
| 1262 | "'": 0.1,
|
---|
| 1263 | '"': 0.2,
|
---|
| 1264 | };
|
---|
| 1265 |
|
---|
| 1266 | const replacements = {
|
---|
| 1267 | "'": "\\'",
|
---|
| 1268 | '"': '\\"',
|
---|
| 1269 | '\\': '\\\\',
|
---|
| 1270 | '\b': '\\b',
|
---|
| 1271 | '\f': '\\f',
|
---|
| 1272 | '\n': '\\n',
|
---|
| 1273 | '\r': '\\r',
|
---|
| 1274 | '\t': '\\t',
|
---|
| 1275 | '\v': '\\v',
|
---|
| 1276 | '\0': '\\0',
|
---|
| 1277 | '\u2028': '\\u2028',
|
---|
| 1278 | '\u2029': '\\u2029',
|
---|
| 1279 | };
|
---|
| 1280 |
|
---|
| 1281 | let product = '';
|
---|
| 1282 |
|
---|
| 1283 | for (let i = 0; i < value.length; i++) {
|
---|
| 1284 | const c = value[i];
|
---|
| 1285 | switch (c) {
|
---|
| 1286 | case "'":
|
---|
| 1287 | case '"':
|
---|
| 1288 | quotes[c]++;
|
---|
| 1289 | product += c;
|
---|
| 1290 | continue
|
---|
| 1291 |
|
---|
| 1292 | case '\0':
|
---|
| 1293 | if (util.isDigit(value[i + 1])) {
|
---|
| 1294 | product += '\\x00';
|
---|
| 1295 | continue
|
---|
| 1296 | }
|
---|
| 1297 | }
|
---|
| 1298 |
|
---|
| 1299 | if (replacements[c]) {
|
---|
| 1300 | product += replacements[c];
|
---|
| 1301 | continue
|
---|
| 1302 | }
|
---|
| 1303 |
|
---|
| 1304 | if (c < ' ') {
|
---|
| 1305 | let hexString = c.charCodeAt(0).toString(16);
|
---|
| 1306 | product += '\\x' + ('00' + hexString).substring(hexString.length);
|
---|
| 1307 | continue
|
---|
| 1308 | }
|
---|
| 1309 |
|
---|
| 1310 | product += c;
|
---|
| 1311 | }
|
---|
| 1312 |
|
---|
| 1313 | const quoteChar = quote || Object.keys(quotes).reduce((a, b) => (quotes[a] < quotes[b]) ? a : b);
|
---|
| 1314 |
|
---|
| 1315 | product = product.replace(new RegExp(quoteChar, 'g'), replacements[quoteChar]);
|
---|
| 1316 |
|
---|
| 1317 | return quoteChar + product + quoteChar
|
---|
| 1318 | }
|
---|
| 1319 |
|
---|
| 1320 | function serializeObject (value) {
|
---|
| 1321 | if (stack.indexOf(value) >= 0) {
|
---|
| 1322 | throw TypeError('Converting circular structure to JSON5')
|
---|
| 1323 | }
|
---|
| 1324 |
|
---|
| 1325 | stack.push(value);
|
---|
| 1326 |
|
---|
| 1327 | let stepback = indent;
|
---|
| 1328 | indent = indent + gap;
|
---|
| 1329 |
|
---|
| 1330 | let keys = propertyList || Object.keys(value);
|
---|
| 1331 | let partial = [];
|
---|
| 1332 | for (const key of keys) {
|
---|
| 1333 | const propertyString = serializeProperty(key, value);
|
---|
| 1334 | if (propertyString !== undefined) {
|
---|
| 1335 | let member = serializeKey(key) + ':';
|
---|
| 1336 | if (gap !== '') {
|
---|
| 1337 | member += ' ';
|
---|
| 1338 | }
|
---|
| 1339 | member += propertyString;
|
---|
| 1340 | partial.push(member);
|
---|
| 1341 | }
|
---|
| 1342 | }
|
---|
| 1343 |
|
---|
| 1344 | let final;
|
---|
| 1345 | if (partial.length === 0) {
|
---|
| 1346 | final = '{}';
|
---|
| 1347 | } else {
|
---|
| 1348 | let properties;
|
---|
| 1349 | if (gap === '') {
|
---|
| 1350 | properties = partial.join(',');
|
---|
| 1351 | final = '{' + properties + '}';
|
---|
| 1352 | } else {
|
---|
| 1353 | let separator = ',\n' + indent;
|
---|
| 1354 | properties = partial.join(separator);
|
---|
| 1355 | final = '{\n' + indent + properties + ',\n' + stepback + '}';
|
---|
| 1356 | }
|
---|
| 1357 | }
|
---|
| 1358 |
|
---|
| 1359 | stack.pop();
|
---|
| 1360 | indent = stepback;
|
---|
| 1361 | return final
|
---|
| 1362 | }
|
---|
| 1363 |
|
---|
| 1364 | function serializeKey (key) {
|
---|
| 1365 | if (key.length === 0) {
|
---|
| 1366 | return quoteString(key, true)
|
---|
| 1367 | }
|
---|
| 1368 |
|
---|
| 1369 | const firstChar = String.fromCodePoint(key.codePointAt(0));
|
---|
| 1370 | if (!util.isIdStartChar(firstChar)) {
|
---|
| 1371 | return quoteString(key, true)
|
---|
| 1372 | }
|
---|
| 1373 |
|
---|
| 1374 | for (let i = firstChar.length; i < key.length; i++) {
|
---|
| 1375 | if (!util.isIdContinueChar(String.fromCodePoint(key.codePointAt(i)))) {
|
---|
| 1376 | return quoteString(key, true)
|
---|
| 1377 | }
|
---|
| 1378 | }
|
---|
| 1379 |
|
---|
| 1380 | return key
|
---|
| 1381 | }
|
---|
| 1382 |
|
---|
| 1383 | function serializeArray (value) {
|
---|
| 1384 | if (stack.indexOf(value) >= 0) {
|
---|
| 1385 | throw TypeError('Converting circular structure to JSON5')
|
---|
| 1386 | }
|
---|
| 1387 |
|
---|
| 1388 | stack.push(value);
|
---|
| 1389 |
|
---|
| 1390 | let stepback = indent;
|
---|
| 1391 | indent = indent + gap;
|
---|
| 1392 |
|
---|
| 1393 | let partial = [];
|
---|
| 1394 | for (let i = 0; i < value.length; i++) {
|
---|
| 1395 | const propertyString = serializeProperty(String(i), value);
|
---|
| 1396 | partial.push((propertyString !== undefined) ? propertyString : 'null');
|
---|
| 1397 | }
|
---|
| 1398 |
|
---|
| 1399 | let final;
|
---|
| 1400 | if (partial.length === 0) {
|
---|
| 1401 | final = '[]';
|
---|
| 1402 | } else {
|
---|
| 1403 | if (gap === '') {
|
---|
| 1404 | let properties = partial.join(',');
|
---|
| 1405 | final = '[' + properties + ']';
|
---|
| 1406 | } else {
|
---|
| 1407 | let separator = ',\n' + indent;
|
---|
| 1408 | let properties = partial.join(separator);
|
---|
| 1409 | final = '[\n' + indent + properties + ',\n' + stepback + ']';
|
---|
| 1410 | }
|
---|
| 1411 | }
|
---|
| 1412 |
|
---|
| 1413 | stack.pop();
|
---|
| 1414 | indent = stepback;
|
---|
| 1415 | return final
|
---|
| 1416 | }
|
---|
| 1417 | };
|
---|
| 1418 |
|
---|
| 1419 | const JSON5 = {
|
---|
| 1420 | parse,
|
---|
| 1421 | stringify,
|
---|
| 1422 | };
|
---|
| 1423 |
|
---|
| 1424 | var lib = JSON5;
|
---|
| 1425 |
|
---|
| 1426 | export default lib;
|
---|