Bump to v4.17.9.

README.md

@@ -1,4 +1,4 @@
-# lodash-amd v4.17.3
+# lodash-amd v4.17.9
 
 The [Lodash](https://lodash.com/) library exported as [AMD](https://github.com/amdjs/amdjs-api/wiki/AMD) modules.
 
@@ -27,4 +27,4 @@ require({
 });
 ```
 
-See the [package source](https://github.com/lodash/lodash/tree/4.17.3-amd) for more details.
+See the [package source](https://github.com/lodash/lodash/tree/4.17.9-amd) for more details.

_baseClone.js

@@ -1,4 +1,4 @@
-define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_baseAssignIn', './_cloneBuffer', './_copyArray', './_copySymbols', './_copySymbolsIn', './_getAllKeys', './_getAllKeysIn', './_getTag', './_initCloneArray', './_initCloneByTag', './_initCloneObject', './isArray', './isBuffer', './isObject', './keys'], function(Stack, arrayEach, assignValue, baseAssign, baseAssignIn, cloneBuffer, copyArray, copySymbols, copySymbolsIn, getAllKeys, getAllKeysIn, getTag, initCloneArray, initCloneByTag, initCloneObject, isArray, isBuffer, isObject, keys) {
+define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_baseAssignIn', './_cloneBuffer', './_copyArray', './_copySymbols', './_copySymbolsIn', './_getAllKeys', './_getAllKeysIn', './_getTag', './_initCloneArray', './_initCloneByTag', './_initCloneObject', './isArray', './isBuffer', './isMap', './isObject', './isSet', './keys'], function(Stack, arrayEach, assignValue, baseAssign, baseAssignIn, cloneBuffer, copyArray, copySymbols, copySymbolsIn, getAllKeys, getAllKeysIn, getTag, initCloneArray, initCloneByTag, initCloneObject, isArray, isBuffer, isMap, isObject, isSet, keys) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
@@ -108,7 +108,7 @@ define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_baseA
         if (!cloneableTags[tag]) {
           return object ? value : {};
         }
-        result = initCloneByTag(value, tag, baseClone, isDeep);
+        result = initCloneByTag(value, tag, isDeep);
       }
     }
     // Check for circular references and return its corresponding clone.
@@ -119,6 +119,22 @@ define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_baseA
     }
     stack.set(value, result);
 
+    if (isSet(value)) {
+      value.forEach(function(subValue) {
+        result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
+      });
+
+      return result;
+    }
+
+    if (isMap(value)) {
+      value.forEach(function(subValue, key) {
+        result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
+      });
+
+      return result;
+    }
+
     var keysFunc = isFull
       ? (isFlat ? getAllKeysIn : getAllKeys)
       : (isFlat ? keysIn : keys);

_baseMerge.js

@@ -1,4 +1,4 @@
-define(['./_Stack', './_assignMergeValue', './_baseFor', './_baseMergeDeep', './isObject', './keysIn'], function(Stack, assignMergeValue, baseFor, baseMergeDeep, isObject, keysIn) {
+define(['./_Stack', './_assignMergeValue', './_baseFor', './_baseMergeDeep', './isObject', './keysIn', './_safeGet'], function(Stack, assignMergeValue, baseFor, baseMergeDeep, isObject, keysIn, safeGet) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
@@ -25,7 +25,7 @@ define(['./_Stack', './_assignMergeValue', './_baseFor', './_baseMergeDeep', './
       }
       else {
         var newValue = customizer
-          ? customizer(object[key], srcValue, (key + ''), object, source, stack)
+          ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
           : undefined;
 
         if (newValue === undefined) {

_baseMergeDeep.js

@@ -1,4 +1,4 @@
-define(['./_assignMergeValue', './_cloneBuffer', './_cloneTypedArray', './_copyArray', './_initCloneObject', './isArguments', './isArray', './isArrayLikeObject', './isBuffer', './isFunction', './isObject', './isPlainObject', './isTypedArray', './toPlainObject'], function(assignMergeValue, cloneBuffer, cloneTypedArray, copyArray, initCloneObject, isArguments, isArray, isArrayLikeObject, isBuffer, isFunction, isObject, isPlainObject, isTypedArray, toPlainObject) {
+define(['./_assignMergeValue', './_cloneBuffer', './_cloneTypedArray', './_copyArray', './_initCloneObject', './isArguments', './isArray', './isArrayLikeObject', './isBuffer', './isFunction', './isObject', './isPlainObject', './isTypedArray', './_safeGet', './toPlainObject'], function(assignMergeValue, cloneBuffer, cloneTypedArray, copyArray, initCloneObject, isArguments, isArray, isArrayLikeObject, isBuffer, isFunction, isObject, isPlainObject, isTypedArray, safeGet, toPlainObject) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
@@ -19,8 +19,8 @@ define(['./_assignMergeValue', './_cloneBuffer', './_cloneTypedArray', './_copyA
    *  counterparts.
    */
   function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
-    var objValue = object[key],
-        srcValue = source[key],
+    var objValue = safeGet(object, key),
+        srcValue = safeGet(source, key),
         stacked = stack.get(srcValue);
 
     if (stacked) {

_customOmitClone.js

@@ -12,8 +12,8 @@ define(['./isPlainObject'], function(isPlainObject) {
    * @param {string} key The key of the property to inspect.
    * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
    */
-  function customOmitClone(value, key) {
-    return (key !== undefined && isPlainObject(value)) ? undefined : value;
+  function customOmitClone(value) {
+    return isPlainObject(value) ? undefined : value;
   }
 
   return customOmitClone;

_initCloneArray.js

@@ -15,7 +15,7 @@ define([], function() {
    */
   function initCloneArray(array) {
     var length = array.length,
-        result = array.constructor(length);
+        result = new array.constructor(length);
 
     // Add properties assigned by `RegExp#exec`.
     if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {

_initCloneByTag.js

@@ -1,4 +1,4 @@
-define(['./_cloneArrayBuffer', './_cloneDataView', './_cloneMap', './_cloneRegExp', './_cloneSet', './_cloneSymbol', './_cloneTypedArray'], function(cloneArrayBuffer, cloneDataView, cloneMap, cloneRegExp, cloneSet, cloneSymbol, cloneTypedArray) {
+define(['./_cloneArrayBuffer', './_cloneDataView', './_cloneRegExp', './_cloneSymbol', './_cloneTypedArray'], function(cloneArrayBuffer, cloneDataView, cloneRegExp, cloneSymbol, cloneTypedArray) {
 
   /** `Object#toString` result references. */
   var boolTag = '[object Boolean]',
@@ -26,16 +26,15 @@ define(['./_cloneArrayBuffer', './_cloneDataView', './_cloneMap', './_cloneRegEx
    * Initializes an object clone based on its `toStringTag`.
    *
    * **Note:** This function only supports cloning values with tags of
-   * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+   * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
    *
    * @private
    * @param {Object} object The object to clone.
    * @param {string} tag The `toStringTag` of the object to clone.
-   * @param {Function} cloneFunc The function to clone values.
    * @param {boolean} [isDeep] Specify a deep clone.
    * @returns {Object} Returns the initialized clone.
    */
-  function initCloneByTag(object, tag, cloneFunc, isDeep) {
+  function initCloneByTag(object, tag, isDeep) {
     var Ctor = object.constructor;
     switch (tag) {
       case arrayBufferTag:
@@ -54,7 +53,7 @@ define(['./_cloneArrayBuffer', './_cloneDataView', './_cloneMap', './_cloneRegEx
         return cloneTypedArray(object, isDeep);
 
       case mapTag:
-        return cloneMap(object, isDeep, cloneFunc);
+        return new Ctor;
 
       case numberTag:
       case stringTag:
@@ -64,7 +63,7 @@ define(['./_cloneArrayBuffer', './_cloneDataView', './_cloneMap', './_cloneRegEx
         return cloneRegExp(object);
 
       case setTag:
-        return cloneSet(object, isDeep, cloneFunc);
+        return new Ctor;
 
       case symbolTag:
         return cloneSymbol(object);

_isIndex.js

@@ -15,10 +15,13 @@ define([], function() {
    * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
    */
   function isIndex(value, length) {
+    var type = typeof value;
     length = length == null ? MAX_SAFE_INTEGER : length;
+
     return !!length &&
-      (typeof value == 'number' || reIsUint.test(value)) &&
-      (value > -1 && value % 1 == 0 && value < length);
+      (type == 'number' ||
+        (type != 'symbol' && reIsUint.test(value))) &&
+          (value > -1 && value % 1 == 0 && value < length);
   }
 
   return isIndex;

_nodeUtil.js

@@ -15,6 +15,14 @@ define(['./_freeGlobal'], function(freeGlobal) {
   /** Used to access faster Node.js helpers. */
   var nodeUtil = (function() {
     try {
+      // Use `util.types` for Node.js 10+.
+      var types = freeModule && freeModule.require && freeModule.require('util').types;
+
+      if (types) {
+        return types;
+      }
+
+      // Legacy `process.binding('util')` for Node.js < 10.
       return freeProcess && freeProcess.binding && freeProcess.binding('util');
     } catch (e) {}
   }());

_safeGet.js

@@ -0,0 +1,21 @@
+define([], function() {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /**
+   * Gets the value at `key`, unless `key` is "__proto__".
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {string} key The key of the property to get.
+   * @returns {*} Returns the property value.
+   */
+  function safeGet(object, key) {
+    return key == '__proto__'
+      ? undefined
+      : object[key];
+  }
+
+  return safeGet;
+});

_stringToPath.js

@@ -1,8 +1,7 @@
 define(['./_memoizeCapped'], function(memoizeCapped) {
 
   /** Used to match property names within property paths. */
-  var reLeadingDot = /^\./,
-      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+  var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
 
   /** Used to match backslashes in property paths. */
   var reEscapeChar = /\\(\\)?/g;
@@ -16,11 +15,11 @@ define(['./_memoizeCapped'], function(memoizeCapped) {
    */
   var stringToPath = memoizeCapped(function(string) {
     var result = [];
-    if (reLeadingDot.test(string)) {
+    if (string.charCodeAt(0) === 46 /* . */) {
       result.push('');
     }
-    string.replace(rePropName, function(match, number, quote, string) {
-      result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
+    string.replace(rePropName, function(match, number, quote, subString) {
+      result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
     });
     return result;
   });

_unicodeWords.js

@@ -40,8 +40,8 @@ define([], function() {
       reOptMod = rsModifier + '?',
       rsOptVar = '[' + rsVarRange + ']?',
       rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
-      rsOrdLower = '\\d*(?:(?:1st|2nd|3rd|(?![123])\\dth)\\b)',
-      rsOrdUpper = '\\d*(?:(?:1ST|2ND|3RD|(?![123])\\dTH)\\b)',
+      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
+      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
       rsSeq = rsOptVar + reOptMod + rsOptJoin,
       rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq;
 

debounce.js

@@ -109,9 +109,11 @@ define(['./isObject', './now', './toNumber'], function(isObject, now, toNumber)
     function remainingWait(time) {
       var timeSinceLastCall = time - lastCallTime,
           timeSinceLastInvoke = time - lastInvokeTime,
-          result = wait - timeSinceLastCall;
+          timeWaiting = wait - timeSinceLastCall;
 
-      return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;
+      return maxing
+        ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
+        : timeWaiting;
     }
 
     function shouldInvoke(time) {

defaults.js

@@ -1,8 +1,14 @@
-define(['./_apply', './assignInWith', './_baseRest', './_customDefaultsAssignIn'], function(apply, assignInWith, baseRest, customDefaultsAssignIn) {
+define(['./_baseRest', './eq', './_isIterateeCall', './keysIn'], function(baseRest, eq, isIterateeCall, keysIn) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
+  /** Used for built-in method references. */
+  var objectProto = Object.prototype;
+
+  /** Used to check objects for own properties. */
+  var hasOwnProperty = objectProto.hasOwnProperty;
+
   /**
    * Assigns own and inherited enumerable string keyed properties of source
    * objects to the destination object for all destination properties that
@@ -24,9 +30,35 @@ define(['./_apply', './assignInWith', './_baseRest', './_customDefaultsAssignIn'
    * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
    * // => { 'a': 1, 'b': 2 }
    */
-  var defaults = baseRest(function(args) {
-    args.push(undefined, customDefaultsAssignIn);
-    return apply(assignInWith, undefined, args);
+  var defaults = baseRest(function(object, sources) {
+    object = Object(object);
+
+    var index = -1;
+    var length = sources.length;
+    var guard = length > 2 ? sources[2] : undefined;
+
+    if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+      length = 1;
+    }
+
+    while (++index < length) {
+      var source = sources[index];
+      var props = keysIn(source);
+      var propsIndex = -1;
+      var propsLength = props.length;
+
+      while (++propsIndex < propsLength) {
+        var key = props[propsIndex];
+        var value = object[key];
+
+        if (value === undefined ||
+            (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+          object[key] = source[key];
+        }
+      }
+    }
+
+    return object;
   });
 
   return defaults;

invert.js

@@ -1,5 +1,15 @@
 define(['./constant', './_createInverter', './identity'], function(constant, createInverter, identity) {
 
+  /** Used for built-in method references. */
+  var objectProto = Object.prototype;
+
+  /**
+   * Used to resolve the
+   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+   * of values.
+   */
+  var nativeObjectToString = objectProto.toString;
+
   /**
    * Creates an object composed of the inverted keys and values of `object`.
    * If `object` contains duplicate values, subsequent values overwrite
@@ -19,6 +29,11 @@ define(['./constant', './_createInverter', './identity'], function(constant, cre
    * // => { '1': 'c', '2': 'b' }
    */
   var invert = createInverter(function(result, value, key) {
+    if (value != null &&
+        typeof value.toString != 'function') {
+      value = nativeObjectToString.call(value);
+    }
+
     result[value] = key;
   }, constant(identity));
 

invertBy.js

@@ -6,6 +6,13 @@ define(['./_baseIteratee', './_createInverter'], function(baseIteratee, createIn
   /** Used to check objects for own properties. */
   var hasOwnProperty = objectProto.hasOwnProperty;
 
+  /**
+   * Used to resolve the
+   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+   * of values.
+   */
+  var nativeObjectToString = objectProto.toString;
+
   /**
    * This method is like `_.invert` except that the inverted object is generated
    * from the results of running each element of `object` thru `iteratee`. The
@@ -33,6 +40,11 @@ define(['./_baseIteratee', './_createInverter'], function(baseIteratee, createIn
    * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
    */
   var invertBy = createInverter(function(result, value, key) {
+    if (value != null &&
+        typeof value.toString != 'function') {
+      value = nativeObjectToString.call(value);
+    }
+
     if (hasOwnProperty.call(result, value)) {
       result[value].push(key);
     } else {

main.js

@@ -13,7 +13,7 @@
   var undefined;
 
   /** Used as the semantic version number. */
-  var VERSION = '4.17.3';
+  var VERSION = '4.17.9';
 
   /** Used as the size to enable large array optimizations. */
   var LARGE_ARRAY_SIZE = 200;
@@ -144,7 +144,6 @@
   /** Used to match property names within property paths. */
   var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
       reIsPlainProp = /^\w*$/,
-      reLeadingDot = /^\./,
       rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
 
   /**
@@ -244,8 +243,8 @@
       reOptMod = rsModifier + '?',
       rsOptVar = '[' + rsVarRange + ']?',
       rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
-      rsOrdLower = '\\d*(?:(?:1st|2nd|3rd|(?![123])\\dth)\\b)',
-      rsOrdUpper = '\\d*(?:(?:1ST|2ND|3RD|(?![123])\\dTH)\\b)',
+      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
+      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
       rsSeq = rsOptVar + reOptMod + rsOptJoin,
       rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
       rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
@@ -438,6 +437,14 @@
   /** Used to access faster Node.js helpers. */
   var nodeUtil = (function() {
     try {
+      // Use `util.types` for Node.js 10+.
+      var types = freeModule && freeModule.require && freeModule.require('util').types;
+
+      if (types) {
+        return types;
+      }
+
+      // Legacy `process.binding('util')` for Node.js < 10.
       return freeProcess && freeProcess.binding && freeProcess.binding('util');
     } catch (e) {}
   }());
@@ -452,34 +459,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  /**
-   * Adds the key-value `pair` to `map`.
-   *
-   * @private
-   * @param {Object} map The map to modify.
-   * @param {Array} pair The key-value pair to add.
-   * @returns {Object} Returns `map`.
-   */
-  function addMapEntry(map, pair) {
-    // Don't return `map.set` because it's not chainable in IE 11.
-    map.set(pair[0], pair[1]);
-    return map;
-  }
-
-  /**
-   * Adds `value` to `set`.
-   *
-   * @private
-   * @param {Object} set The set to modify.
-   * @param {*} value The value to add.
-   * @returns {Object} Returns `set`.
-   */
-  function addSetEntry(set, value) {
-    // Don't return `set.add` because it's not chainable in IE 11.
-    set.add(value);
-    return set;
-  }
-
   /**
    * A faster alternative to `Function#apply`, this function invokes `func`
    * with the `this` binding of `thisArg` and the arguments of `args`.
@@ -1246,6 +1225,20 @@
     return result;
   }
 
+  /**
+   * Gets the value at `key`, unless `key` is "__proto__".
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {string} key The key of the property to get.
+   * @returns {*} Returns the property value.
+   */
+  function safeGet(object, key) {
+    return key == '__proto__'
+      ? undefined
+      : object[key];
+  }
+
   /**
    * Converts `set` to an array of its values.
    *
@@ -2678,7 +2671,7 @@
           if (!cloneableTags[tag]) {
             return object ? value : {};
           }
-          result = initCloneByTag(value, tag, baseClone, isDeep);
+          result = initCloneByTag(value, tag, isDeep);
         }
       }
       // Check for circular references and return its corresponding clone.
@@ -2689,6 +2682,22 @@
       }
       stack.set(value, result);
 
+      if (isSet(value)) {
+        value.forEach(function(subValue) {
+          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
+        });
+
+        return result;
+      }
+
+      if (isMap(value)) {
+        value.forEach(function(subValue, key) {
+          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
+        });
+
+        return result;
+      }
+
       var keysFunc = isFull
         ? (isFlat ? getAllKeysIn : getAllKeys)
         : (isFlat ? keysIn : keys);
@@ -3616,7 +3625,7 @@
         }
         else {
           var newValue = customizer
-            ? customizer(object[key], srcValue, (key + ''), object, source, stack)
+            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
             : undefined;
 
           if (newValue === undefined) {
@@ -3643,8 +3652,8 @@
      *  counterparts.
      */
     function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
-      var objValue = object[key],
-          srcValue = source[key],
+      var objValue = safeGet(object, key),
+          srcValue = safeGet(source, key),
           stacked = stack.get(srcValue);
 
       if (stacked) {
@@ -4552,20 +4561,6 @@
       return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
     }
 
-    /**
-     * Creates a clone of `map`.
-     *
-     * @private
-     * @param {Object} map The map to clone.
-     * @param {Function} cloneFunc The function to clone values.
-     * @param {boolean} [isDeep] Specify a deep clone.
-     * @returns {Object} Returns the cloned map.
-     */
-    function cloneMap(map, isDeep, cloneFunc) {
-      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);
-      return arrayReduce(array, addMapEntry, new map.constructor);
-    }
-
     /**
      * Creates a clone of `regexp`.
      *
@@ -4579,20 +4574,6 @@
       return result;
     }
 
-    /**
-     * Creates a clone of `set`.
-     *
-     * @private
-     * @param {Object} set The set to clone.
-     * @param {Function} cloneFunc The function to clone values.
-     * @param {boolean} [isDeep] Specify a deep clone.
-     * @returns {Object} Returns the cloned set.
-     */
-    function cloneSet(set, isDeep, cloneFunc) {
-      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);
-      return arrayReduce(array, addSetEntry, new set.constructor);
-    }
-
     /**
      * Creates a clone of the `symbol` object.
      *
@@ -5633,8 +5614,8 @@
      * @param {string} key The key of the property to inspect.
      * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
      */
-    function customOmitClone(value, key) {
-      return (key !== undefined && isPlainObject(value)) ? undefined : value;
+    function customOmitClone(value) {
+      return isPlainObject(value) ? undefined : value;
     }
 
     /**
@@ -6187,7 +6168,7 @@
      */
     function initCloneArray(array) {
       var length = array.length,
-          result = array.constructor(length);
+          result = new array.constructor(length);
 
       // Add properties assigned by `RegExp#exec`.
       if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
@@ -6214,16 +6195,15 @@
      * Initializes an object clone based on its `toStringTag`.
      *
      * **Note:** This function only supports cloning values with tags of
-     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
      *
      * @private
      * @param {Object} object The object to clone.
      * @param {string} tag The `toStringTag` of the object to clone.
-     * @param {Function} cloneFunc The function to clone values.
      * @param {boolean} [isDeep] Specify a deep clone.
      * @returns {Object} Returns the initialized clone.
      */
-    function initCloneByTag(object, tag, cloneFunc, isDeep) {
+    function initCloneByTag(object, tag, isDeep) {
       var Ctor = object.constructor;
       switch (tag) {
         case arrayBufferTag:
@@ -6242,7 +6222,7 @@
           return cloneTypedArray(object, isDeep);
 
         case mapTag:
-          return cloneMap(object, isDeep, cloneFunc);
+          return new Ctor;
 
         case numberTag:
         case stringTag:
@@ -6252,7 +6232,7 @@
           return cloneRegExp(object);
 
         case setTag:
-          return cloneSet(object, isDeep, cloneFunc);
+          return new Ctor;
 
         case symbolTag:
           return cloneSymbol(object);
@@ -6299,10 +6279,13 @@
      * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
      */
     function isIndex(value, length) {
+      var type = typeof value;
       length = length == null ? MAX_SAFE_INTEGER : length;
+
       return !!length &&
-        (typeof value == 'number' || reIsUint.test(value)) &&
-        (value > -1 && value % 1 == 0 && value < length);
+        (type == 'number' ||
+          (type != 'symbol' && reIsUint.test(value))) &&
+            (value > -1 && value % 1 == 0 && value < length);
     }
 
     /**
@@ -6752,11 +6735,11 @@
      */
     var stringToPath = memoizeCapped(function(string) {
       var result = [];
-      if (reLeadingDot.test(string)) {
+      if (string.charCodeAt(0) === 46 /* . */) {
         result.push('');
       }
-      string.replace(rePropName, function(match, number, quote, string) {
-        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
+      string.replace(rePropName, function(match, number, quote, subString) {
+        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
       });
       return result;
     });
@@ -10364,9 +10347,11 @@
       function remainingWait(time) {
         var timeSinceLastCall = time - lastCallTime,
             timeSinceLastInvoke = time - lastInvokeTime,
-            result = wait - timeSinceLastCall;
+            timeWaiting = wait - timeSinceLastCall;
 
-        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;
+        return maxing
+          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
+          : timeWaiting;
       }
 
       function shouldInvoke(time) {
@@ -12798,9 +12783,35 @@
      * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
      * // => { 'a': 1, 'b': 2 }
      */
-    var defaults = baseRest(function(args) {
-      args.push(undefined, customDefaultsAssignIn);
-      return apply(assignInWith, undefined, args);
+    var defaults = baseRest(function(object, sources) {
+      object = Object(object);
+
+      var index = -1;
+      var length = sources.length;
+      var guard = length > 2 ? sources[2] : undefined;
+
+      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+        length = 1;
+      }
+
+      while (++index < length) {
+        var source = sources[index];
+        var props = keysIn(source);
+        var propsIndex = -1;
+        var propsLength = props.length;
+
+        while (++propsIndex < propsLength) {
+          var key = props[propsIndex];
+          var value = object[key];
+
+          if (value === undefined ||
+              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+            object[key] = source[key];
+          }
+        }
+      }
+
+      return object;
     });
 
     /**
@@ -13197,6 +13208,11 @@
      * // => { '1': 'c', '2': 'b' }
      */
     var invert = createInverter(function(result, value, key) {
+      if (value != null &&
+          typeof value.toString != 'function') {
+        value = nativeObjectToString.call(value);
+      }
+
       result[value] = key;
     }, constant(identity));
 
@@ -13227,6 +13243,11 @@
      * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
      */
     var invertBy = createInverter(function(result, value, key) {
+      if (value != null &&
+          typeof value.toString != 'function') {
+        value = nativeObjectToString.call(value);
+      }
+
       if (hasOwnProperty.call(result, value)) {
         result[value].push(key);
       } else {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lodash-amd",
-  "version": "4.17.3",
+  "version": "4.17.9",
   "description": "Lodash exported as AMD modules.",
   "keywords": "amd, modules, stdlib, util",
   "homepage": "https://lodash.com/custom-builds",
@@ -14,5 +14,5 @@
     "Blaine Bublitz <blaine.bublitz@gmail.com> (https://github.com/phated)",
     "Mathias Bynens <mathias@qiwi.be> (https://mathiasbynens.be/)"
   ],
-  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" }
+  "scripts": { "test": "echo \"See https://travis-ci.org/lodash-archive/lodash-cli for testing details.\"" }
 }