get function name change

node_modules/deep-equal/index.js

@@ -0,0 +1,112 @@
+var objectKeys = require('object-keys');
+var isArguments = require('is-arguments');
+var is = require('object-is');
+var isRegex = require('is-regex');
+var flags = require('regexp.prototype.flags');
+var isDate = require('is-date-object');
+
+var getTime = Date.prototype.getTime;
+
+function deepEqual(actual, expected, options) {
+  var opts = options || {};
+
+  // 7.1. All identical values are equivalent, as determined by ===.
+  if (opts.strict ? is(actual, expected) : actual === expected) {
+    return true;
+  }
+
+  // 7.3. Other pairs that do not both pass typeof value == 'object', equivalence is determined by ==.
+  if (!actual || !expected || (typeof actual !== 'object' && typeof expected !== 'object')) {
+    return opts.strict ? is(actual, expected) : 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.
+   */
+  // eslint-disable-next-line no-use-before-define
+  return objEquiv(actual, expected, opts);
+}
+
+function isUndefinedOrNull(value) {
+  return value === null || value === undefined;
+}
+
+function isBuffer(x) {
+  if (!x || typeof x !== 'object' || typeof x.length !== 'number') {
+    return false;
+  }
+  if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {
+    return false;
+  }
+  if (x.length > 0 && typeof x[0] !== 'number') {
+    return false;
+  }
+  return true;
+}
+
+function objEquiv(a, b, opts) {
+  /* eslint max-statements: [2, 50] */
+  var i, key;
+  if (typeof a !== typeof b) { return false; }
+  if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) { return false; }
+
+  // an identical 'prototype' property.
+  if (a.prototype !== b.prototype) { return false; }
+
+  if (isArguments(a) !== isArguments(b)) { return false; }
+
+  var aIsRegex = isRegex(a);
+  var bIsRegex = isRegex(b);
+  if (aIsRegex !== bIsRegex) { return false; }
+  if (aIsRegex || bIsRegex) {
+    return a.source === b.source && flags(a) === flags(b);
+  }
+
+  if (isDate(a) && isDate(b)) {
+    return getTime.call(a) === getTime.call(b);
+  }
+
+  var aIsBuffer = isBuffer(a);
+  var bIsBuffer = isBuffer(b);
+  if (aIsBuffer !== bIsBuffer) { return false; }
+  if (aIsBuffer || bIsBuffer) { // && would work too, because both are true or both false here
+    if (a.length !== b.length) { return false; }
+    for (i = 0; i < a.length; i++) {
+      if (a[i] !== b[i]) { return false; }
+    }
+    return true;
+  }
+
+  if (typeof a !== typeof b) { return false; }
+
+  try {
+    var ka = objectKeys(a);
+    var kb = objectKeys(b);
+  } 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], opts)) { return false; }
+  }
+
+  return true;
+}
+
+module.exports = deepEqual;