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"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.canonicalize = canonicalize;
exports.diffJson = diffJson;
exports.jsonDiff = void 0;
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var
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_base = _interopRequireDefault(require("./base"))
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;
var
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_line = require("./line")
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;
/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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var jsonDiff =
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exports.jsonDiff =
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new
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_base
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[
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"default"
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]();
// Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
// dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:
jsonDiff.useLongestToken = true;
jsonDiff.tokenize =
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_line
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.
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lineDiff
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.tokenize;
jsonDiff.castInput = function (value, options) {
  var
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    undefinedReplacement = options.undefinedReplacement,
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    _options$stringifyRep =
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    options.stringifyReplacer,
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    /*istanbul ignore end*/
    stringifyReplacer = _options$stringifyRep === void 0 ? function (k, v)
    /*istanbul ignore start*/
    {
      return (
        /*istanbul ignore end*/
        typeof v === 'undefined' ? undefinedReplacement : v
      );
    } : _options$stringifyRep;
  return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');
};
jsonDiff.equals = function (left, right, options) {
  return (
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    _base
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    [
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    "default"
    /*istanbul ignore end*/
    ].prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'), options)
  );
};
function diffJson(oldObj, newObj, options) {
  return jsonDiff.diff(oldObj, newObj, options);
}

// This function handles the presence of circular references by bailing out when encountering an
// object that is already on the "stack" of items being processed. Accepts an optional replacer
function canonicalize(obj, stack, replacementStack, replacer, key) {
  stack = stack || [];
  replacementStack = replacementStack || [];
  if (replacer) {
    obj = replacer(key, obj);
  }
  var i;
  for (i = 0; i < stack.length; i += 1) {
    if (stack[i] === obj) {
      return replacementStack[i];
    }
  }
  var canonicalizedObj;
  if ('[object Array]' === Object.prototype.toString.call(obj)) {
    stack.push(obj);
    canonicalizedObj = new Array(obj.length);
    replacementStack.push(canonicalizedObj);
    for (i = 0; i < obj.length; i += 1) {
      canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
    }
    stack.pop();
    replacementStack.pop();
    return canonicalizedObj;
  }
  if (obj && obj.toJSON) {
    obj = obj.toJSON();
  }
  if (
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  _typeof(
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  obj) === 'object' && obj !== null) {
    stack.push(obj);
    canonicalizedObj = {};
    replacementStack.push(canonicalizedObj);
    var sortedKeys = [],
      _key;
    for (_key in obj) {
      /* istanbul ignore else */
      if (Object.prototype.hasOwnProperty.call(obj, _key)) {
        sortedKeys.push(_key);
      }
    }
    sortedKeys.sort();
    for (i = 0; i < sortedKeys.length; i += 1) {
      _key = sortedKeys[i];
      canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
    }
    stack.pop();
    replacementStack.pop();
  } else {
    canonicalizedObj = obj;
  }
  return canonicalizedObj;
}//# sourceMappingURL=https://main.vscode-cdn.net/sourcemaps/5441a53ac43cd6fc36e1ed855a6aa97abb5fd488/node_modules/diff/lib/diff/data:application/json;charset=utf-8;base64,[encoded data, 9148 characters]
