[79a0317] | 1 | 'use strict';
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| 2 | var $ = require('../internals/export');
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| 3 | var FREEZING = require('../internals/freezing');
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| 4 | var NATIVE_RAW_JSON = require('../internals/native-raw-json');
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| 5 | var getBuiltIn = require('../internals/get-built-in');
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| 6 | var call = require('../internals/function-call');
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| 7 | var uncurryThis = require('../internals/function-uncurry-this');
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| 8 | var isCallable = require('../internals/is-callable');
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| 9 | var isRawJSON = require('../internals/is-raw-json');
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| 10 | var toString = require('../internals/to-string');
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| 11 | var createProperty = require('../internals/create-property');
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| 12 | var parseJSONString = require('../internals/parse-json-string');
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| 13 | var getReplacerFunction = require('../internals/get-json-replacer-function');
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| 14 | var uid = require('../internals/uid');
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| 15 | var setInternalState = require('../internals/internal-state').set;
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| 16 |
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| 17 | var $String = String;
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| 18 | var $SyntaxError = SyntaxError;
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| 19 | var parse = getBuiltIn('JSON', 'parse');
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| 20 | var $stringify = getBuiltIn('JSON', 'stringify');
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| 21 | var create = getBuiltIn('Object', 'create');
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| 22 | var freeze = getBuiltIn('Object', 'freeze');
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| 23 | var at = uncurryThis(''.charAt);
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| 24 | var slice = uncurryThis(''.slice);
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| 25 | var push = uncurryThis([].push);
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| 26 |
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| 27 | var MARK = uid();
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| 28 | var MARK_LENGTH = MARK.length;
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| 29 | var ERROR_MESSAGE = 'Unacceptable as raw JSON';
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| 30 |
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| 31 | var isWhitespace = function (it) {
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| 32 | return it === ' ' || it === '\t' || it === '\n' || it === '\r';
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| 33 | };
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| 34 |
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| 35 | // `JSON.parse` method
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| 36 | // https://tc39.es/proposal-json-parse-with-source/#sec-json.israwjson
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| 37 | // https://github.com/tc39/proposal-json-parse-with-source
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| 38 | $({ target: 'JSON', stat: true, forced: !NATIVE_RAW_JSON }, {
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| 39 | rawJSON: function rawJSON(text) {
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| 40 | var jsonString = toString(text);
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| 41 | if (jsonString === '' || isWhitespace(at(jsonString, 0)) || isWhitespace(at(jsonString, jsonString.length - 1))) {
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| 42 | throw new $SyntaxError(ERROR_MESSAGE);
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| 43 | }
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| 44 | var parsed = parse(jsonString);
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| 45 | if (typeof parsed == 'object' && parsed !== null) throw new $SyntaxError(ERROR_MESSAGE);
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| 46 | var obj = create(null);
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| 47 | setInternalState(obj, { type: 'RawJSON' });
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| 48 | createProperty(obj, 'rawJSON', jsonString);
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| 49 | return FREEZING ? freeze(obj) : obj;
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| 50 | }
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| 51 | });
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| 52 |
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| 53 | // `JSON.stringify` method
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| 54 | // https://tc39.es/ecma262/#sec-json.stringify
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| 55 | // https://github.com/tc39/proposal-json-parse-with-source
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| 56 | if ($stringify) $({ target: 'JSON', stat: true, arity: 3, forced: !NATIVE_RAW_JSON }, {
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| 57 | stringify: function stringify(text, replacer, space) {
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| 58 | var replacerFunction = getReplacerFunction(replacer);
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| 59 | var rawStrings = [];
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| 60 |
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| 61 | var json = $stringify(text, function (key, value) {
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| 62 | // some old implementations (like WebKit) could pass numbers as keys
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| 63 | var v = isCallable(replacerFunction) ? call(replacerFunction, this, $String(key), value) : value;
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| 64 | return isRawJSON(v) ? MARK + (push(rawStrings, v.rawJSON) - 1) : v;
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| 65 | }, space);
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| 66 |
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| 67 | if (typeof json != 'string') return json;
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| 68 |
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| 69 | var result = '';
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| 70 | var length = json.length;
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| 71 |
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| 72 | for (var i = 0; i < length; i++) {
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| 73 | var chr = at(json, i);
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| 74 | if (chr === '"') {
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| 75 | var end = parseJSONString(json, ++i).end - 1;
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| 76 | var string = slice(json, i, end);
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| 77 | result += slice(string, 0, MARK_LENGTH) === MARK
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| 78 | ? rawStrings[slice(string, MARK_LENGTH)]
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| 79 | : '"' + string + '"';
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| 80 | i = end;
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| 81 | } else result += chr;
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| 82 | }
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| 83 |
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| 84 | return result;
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| 85 | }
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| 86 | });
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