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39
node_modules/core-js/modules/es.json.raw-json.js
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39
node_modules/core-js/modules/es.json.raw-json.js
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'use strict';
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var $ = require('../internals/export');
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var FREEZING = require('../internals/freezing');
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var NATIVE_RAW_JSON = require('../internals/native-raw-json');
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var getBuiltIn = require('../internals/get-built-in');
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var uncurryThis = require('../internals/function-uncurry-this');
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var toString = require('../internals/to-string');
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var createProperty = require('../internals/create-property');
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var setInternalState = require('../internals/internal-state').set;
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var $SyntaxError = SyntaxError;
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var parse = getBuiltIn('JSON', 'parse');
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var create = getBuiltIn('Object', 'create');
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var freeze = getBuiltIn('Object', 'freeze');
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var at = uncurryThis(''.charAt);
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var ERROR_MESSAGE = 'Unacceptable as raw JSON';
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var isWhitespace = function (it) {
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return it === ' ' || it === '\t' || it === '\n' || it === '\r';
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};
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// `JSON.rawJSON` method
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// https://tc39.es/proposal-json-parse-with-source/#sec-json.rawjson
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// https://github.com/tc39/proposal-json-parse-with-source
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$({ target: 'JSON', stat: true, forced: !NATIVE_RAW_JSON }, {
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rawJSON: function rawJSON(text) {
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var jsonString = toString(text);
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if (jsonString === '' || isWhitespace(at(jsonString, 0)) || isWhitespace(at(jsonString, jsonString.length - 1))) {
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throw new $SyntaxError(ERROR_MESSAGE);
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}
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var parsed = parse(jsonString);
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if (typeof parsed == 'object' && parsed !== null) throw new $SyntaxError(ERROR_MESSAGE);
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var obj = create(null);
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setInternalState(obj, { type: 'RawJSON' });
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createProperty(obj, 'rawJSON', jsonString);
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return FREEZING ? freeze(obj) : obj;
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}
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});
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