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 $stringify = getBuiltIn('JSON', 'stringify');
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21 | var create = getBuiltIn('Object', 'create');
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22 | var freeze = getBuiltIn('Object', 'freeze');
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23 | var at = uncurryThis(''.charAt);
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24 | var slice = uncurryThis(''.slice);
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25 | var exec = uncurryThis(/./.exec);
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26 | var push = uncurryThis([].push);
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27 |
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28 | var MARK = uid();
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29 | var MARK_LENGTH = MARK.length;
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30 | var ERROR_MESSAGE = 'Unacceptable as raw JSON';
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31 | var IS_WHITESPACE = /^[\t\n\r ]$/;
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32 |
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33 |
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34 |
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35 |
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36 | $({ target: 'JSON', stat: true, forced: !NATIVE_RAW_JSON }, {
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37 | rawJSON: function rawJSON(text) {
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38 | var jsonString = toString(text);
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39 | if (jsonString === '' || exec(IS_WHITESPACE, at(jsonString, 0)) || exec(IS_WHITESPACE, at(jsonString, jsonString.length - 1))) {
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40 | throw new $SyntaxError(ERROR_MESSAGE);
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41 | }
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42 | var parsed = parse(jsonString);
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43 | if (typeof parsed == 'object' && parsed !== null) throw new $SyntaxError(ERROR_MESSAGE);
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44 | var obj = create(null);
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45 | setInternalState(obj, { type: 'RawJSON' });
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46 | createProperty(obj, 'rawJSON', jsonString);
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47 | return FREEZING ? freeze(obj) : obj;
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48 | }
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49 | });
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50 |
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51 |
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52 |
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53 |
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54 | if ($stringify) $({ target: 'JSON', stat: true, arity: 3, forced: !NATIVE_RAW_JSON }, {
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55 | stringify: function stringify(text, replacer, space) {
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56 | var replacerFunction = getReplacerFunction(replacer);
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57 | var rawStrings = [];
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58 |
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59 | var json = $stringify(text, function (key, value) {
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60 |
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61 | var v = isCallable(replacerFunction) ? call(replacerFunction, this, $String(key), value) : value;
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62 | return isRawJSON(v) ? MARK + (push(rawStrings, v.rawJSON) - 1) : v;
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63 | }, space);
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64 |
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65 | if (typeof json != 'string') return json;
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66 |
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67 | var result = '';
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68 | var length = json.length;
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69 |
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70 | for (var i = 0; i < length; i++) {
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71 | var chr = at(json, i);
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72 | if (chr === '"') {
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73 | var end = parseJSONString(json, ++i).end - 1;
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74 | var string = slice(json, i, end);
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75 | result += slice(string, 0, MARK_LENGTH) === MARK
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76 | ? rawStrings[slice(string, MARK_LENGTH)]
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77 | : '"' + string + '"';
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78 | i = end;
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79 | } else result += chr;
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80 | }
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81 |
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82 | return result;
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83 | }
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84 | });
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