FM / deep-is

/var/www/greso.tech/server/nsm/node_modules/deep-is/

/var/www/greso.tech/server/nsm/node_modules/deep-is

Name	Size	Mode	Actions
example/	-	0755	rm
test/	-	0755	rm
.travis.yml	52	0644	edit dl rm
index.js	3104	0644	edit dl rm
LICENSE	1237	0644	edit dl rm
package.json	953	0644	edit dl rm
README.markdown	1443	0644	edit dl rm

Edit: /var/www/greso.tech/server/nsm/node_modules/deep-is/index.js (3104B)

var pSlice = Array.prototype.slice;
var Object_keys = typeof Object.keys === 'function'
    ? Object.keys
    : function (obj) {
        var keys = [];
        for (var key in obj) keys.push(key);
        return keys;
    }
;

var deepEqual = module.exports = function (actual, expected) {
  // enforce Object.is +0 !== -0
  if (actual === 0 && expected === 0) {
    return areZerosEqual(actual, expected);

// 7.1. All identical values are equivalent, as determined by ===.
  } else if (actual === expected) {
    return true;

} else if (actual instanceof Date && expected instanceof Date) {
    return actual.getTime() === expected.getTime();

} else if (isNumberNaN(actual)) {
    return isNumberNaN(expected);

// 7.3. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (typeof actual != 'object' && typeof expected != 'object') {
    return actual == expected;

// 7.4. For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected);
  }
};

function isUndefinedOrNull(value) {
  return value === null || value === undefined;
}

function isArguments(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
}

function isNumberNaN(value) {
  // NaN === NaN -> false
  return typeof value == 'number' && value !== value;
}

function areZerosEqual(zeroA, zeroB) {
  // (1 / +0|0) -> Infinity, but (1 / -0) -> -Infinity and (Infinity !== -Infinity)
  return (1 / zeroA) === (1 / zeroB);
}

function objEquiv(a, b) {
  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
    return false;

// an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return deepEqual(a, b);
  }
  try {
    var ka = Object_keys(a),
        kb = Object_keys(b),
        key, i;
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!deepEqual(a[key], b[key])) return false;
  }
  return true;
}

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