Bump to v4.17.3.

README.md

@@ -1,4 +1,4 @@
-# lodash-amd v4.17.2
+# lodash-amd v4.17.3
 
 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/4.17.2-amd) for more details.
+See the [package source](https://github.com/lodash/lodash/tree/4.17.3-amd) for more details.

_baseGetTag.js

@@ -21,8 +21,7 @@ define(['./_Symbol', './_getRawTag', './_objectToString'], function(Symbol, getR
     if (value == null) {
       return value === undefined ? undefinedTag : nullTag;
     }
-    value = Object(value);
+    return (symToStringTag && symToStringTag in Object(value))
-    return (symToStringTag && symToStringTag in value)
       ? getRawTag(value)
       : objectToString(value);
   }

_baseIsEqual.js

@@ -1,4 +1,4 @@
-define(['./_baseIsEqualDeep', './isObject', './isObjectLike'], function(baseIsEqualDeep, isObject, isObjectLike) {
+define(['./_baseIsEqualDeep', './isObjectLike'], function(baseIsEqualDeep, isObjectLike) {
 
   /**
    * The base implementation of `_.isEqual` which supports partial comparisons
@@ -18,7 +18,7 @@ define(['./_baseIsEqualDeep', './isObject', './isObjectLike'], function(baseIsEq
     if (value === other) {
       return true;
     }
-    if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
+    if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
       return value !== value && other !== other;
     }
     return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);

_baseIsEqualDeep.js

@@ -31,17 +31,12 @@ define(['./_Stack', './_equalArrays', './_equalByTag', './_equalObjects', './_ge
   function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
     var objIsArr = isArray(object),
         othIsArr = isArray(other),
-        objTag = arrayTag,
+        objTag = objIsArr ? arrayTag : getTag(object),
-        othTag = arrayTag;
+        othTag = othIsArr ? arrayTag : getTag(other);
+
+    objTag = objTag == argsTag ? objectTag : objTag;
+    othTag = othTag == argsTag ? objectTag : othTag;
 
-    if (!objIsArr) {
-      objTag = getTag(object);
-      objTag = objTag == argsTag ? objectTag : objTag;
-    }
-    if (!othIsArr) {
-      othTag = getTag(other);
-      othTag = othTag == argsTag ? objectTag : othTag;
-    }
     var objIsObj = objTag == objectTag,
         othIsObj = othTag == objectTag,
         isSameTag = objTag == othTag;

_basePick.js

@@ -10,7 +10,6 @@ define(['./_basePickBy', './hasIn'], function(basePickBy, hasIn) {
    * @returns {Object} Returns the new object.
    */
   function basePick(object, paths) {
-    object = Object(object);
     return basePickBy(object, paths, function(value, path) {
       return hasIn(object, path);
     });

_createFlow.js

@@ -3,9 +3,6 @@ define(['./_LodashWrapper', './_flatRest', './_getData', './_getFuncName', './is
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
-  /** Used as the size to enable large array optimizations. */
-  var LARGE_ARRAY_SIZE = 200;
-
   /** Error message constants. */
   var FUNC_ERROR_TEXT = 'Expected a function';
 
@@ -62,8 +59,7 @@ define(['./_LodashWrapper', './_flatRest', './_getData', './_getFuncName', './is
         var args = arguments,
             value = args[0];
 
-        if (wrapper && args.length == 1 &&
+        if (wrapper && args.length == 1 && isArray(value)) {
-            isArray(value) && value.length >= LARGE_ARRAY_SIZE) {
           return wrapper.plant(value).value();
         }
         var index = 0,

_createRound.js

@@ -14,7 +14,7 @@ define(['./toInteger', './toNumber', './toString'], function(toInteger, toNumber
     var func = Math[methodName];
     return function(number, precision) {
       number = toNumber(number);
-      precision = nativeMin(toInteger(precision), 292);
+      precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
       if (precision) {
         // Shift with exponential notation to avoid floating-point issues.
         // See [MDN](https://mdn.io/round#Examples) for more details.

_createWrap.js

@@ -77,7 +77,7 @@ define(['./_baseSetData', './_createBind', './_createCurry', './_createHybrid',
     thisArg = newData[2];
     partials = newData[3];
     holders = newData[4];
-    arity = newData[9] = newData[9] == null
+    arity = newData[9] = newData[9] === undefined
       ? (isBindKey ? 0 : func.length)
       : nativeMax(newData[9] - length, 0);
 

_customDefaultsAssignIn.js

@@ -10,7 +10,9 @@ define(['./eq'], function(eq) {
   var hasOwnProperty = objectProto.hasOwnProperty;
 
   /**
-   * Used by `_.defaults` to customize its `_.assignIn` use.
+   * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
+   * of source objects to the destination object for all destination properties
+   * that resolve to `undefined`.
    *
    * @private
    * @param {*} objValue The destination value.
@@ -19,7 +21,7 @@ define(['./eq'], function(eq) {
    * @param {Object} object The parent object of `objValue`.
    * @returns {*} Returns the value to assign.
    */
-  function assignInDefaults(objValue, srcValue, key, object) {
+  function customDefaultsAssignIn(objValue, srcValue, key, object) {
     if (objValue === undefined ||
         (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
       return srcValue;
@@ -27,5 +29,5 @@ define(['./eq'], function(eq) {
     return objValue;
   }
 
-  return assignInDefaults;
+  return customDefaultsAssignIn;
 });

_customDefaultsMerge.js

@@ -4,7 +4,8 @@ define(['./_baseMerge', './isObject'], function(baseMerge, isObject) {
   var undefined;
 
   /**
-   * Used by `_.defaultsDeep` to customize its `_.merge` use.
+   * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
+   * objects into destination objects that are passed thru.
    *
    * @private
    * @param {*} objValue The destination value.
@@ -16,15 +17,15 @@ define(['./_baseMerge', './isObject'], function(baseMerge, isObject) {
    *  counterparts.
    * @returns {*} Returns the value to assign.
    */
-  function mergeDefaults(objValue, srcValue, key, object, source, stack) {
+  function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
     if (isObject(objValue) && isObject(srcValue)) {
       // Recursively merge objects and arrays (susceptible to call stack limits).
       stack.set(srcValue, objValue);
-      baseMerge(objValue, srcValue, undefined, mergeDefaults, stack);
+      baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
       stack['delete'](srcValue);
     }
     return objValue;
   }
 
-  return mergeDefaults;
+  return customDefaultsMerge;
 });

_customOmitClone.js

@@ -0,0 +1,20 @@
+define(['./isPlainObject'], function(isPlainObject) {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /**
+   * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
+   * objects.
+   *
+   * @private
+   * @param {*} value The value to inspect.
+   * @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;
+  }
+
+  return customOmitClone;
+});

_equalObjects.js

@@ -1,4 +1,4 @@
-define(['./keys'], function(keys) {
+define(['./_getAllKeys'], function(getAllKeys) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
@@ -27,9 +27,9 @@ define(['./keys'], function(keys) {
    */
   function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
     var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
-        objProps = keys(object),
+        objProps = getAllKeys(object),
         objLength = objProps.length,
-        othProps = keys(other),
+        othProps = getAllKeys(other),
         othLength = othProps.length;
 
     if (objLength != othLength && !isPartial) {

_getSymbols.js

@@ -1,4 +1,10 @@
-define(['./_overArg', './stubArray'], function(overArg, stubArray) {
+define(['./_arrayFilter', './stubArray'], function(arrayFilter, stubArray) {
+
+  /** Used for built-in method references. */
+  var objectProto = Object.prototype;
+
+  /** Built-in value references. */
+  var propertyIsEnumerable = objectProto.propertyIsEnumerable;
 
   /* Built-in method references for those with the same name as other `lodash` methods. */
   var nativeGetSymbols = Object.getOwnPropertySymbols;
@@ -10,7 +16,15 @@ define(['./_overArg', './stubArray'], function(overArg, stubArray) {
    * @param {Object} object The object to query.
    * @returns {Array} Returns the array of symbols.
    */
-  var getSymbols = nativeGetSymbols ? overArg(nativeGetSymbols, Object) : stubArray;
+  var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+    if (object == null) {
+      return [];
+    }
+    object = Object(object);
+    return arrayFilter(nativeGetSymbols(object), function(symbol) {
+      return propertyIsEnumerable.call(object, symbol);
+    });
+  };
 
   return getSymbols;
 });

_hashHas.js

@@ -20,7 +20,7 @@ define(['./_nativeCreate'], function(nativeCreate) {
    */
   function hashHas(key) {
     var data = this.__data__;
-    return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
+    return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
   }
 
   return hashHas;

_lazyValue.js

@@ -1,8 +1,5 @@
 define(['./_baseWrapperValue', './_getView', './isArray'], function(baseWrapperValue, getView, isArray) {
 
-  /** Used as the size to enable large array optimizations. */
-  var LARGE_ARRAY_SIZE = 200;
-
   /** Used to indicate the type of lazy iteratees. */
   var LAZY_FILTER_FLAG = 1,
       LAZY_MAP_FLAG = 2;
@@ -34,8 +31,7 @@ define(['./_baseWrapperValue', './_getView', './isArray'], function(baseWrapperV
         resIndex = 0,
         takeCount = nativeMin(length, this.__takeCount__);
 
-    if (!isArr || arrLength < LARGE_ARRAY_SIZE ||
+    if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
-        (arrLength == length && takeCount == length)) {
       return baseWrapperValue(array, this.__actions__);
     }
     var result = [];

defaults.js

@@ -1,4 +1,4 @@
-define(['./_apply', './_assignInDefaults', './assignInWith', './_baseRest'], function(apply, assignInDefaults, assignInWith, baseRest) {
+define(['./_apply', './assignInWith', './_baseRest', './_customDefaultsAssignIn'], function(apply, assignInWith, baseRest, customDefaultsAssignIn) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
@@ -25,7 +25,7 @@ define(['./_apply', './_assignInDefaults', './assignInWith', './_baseRest'], fun
    * // => { 'a': 1, 'b': 2 }
    */
   var defaults = baseRest(function(args) {
-    args.push(undefined, assignInDefaults);
+    args.push(undefined, customDefaultsAssignIn);
     return apply(assignInWith, undefined, args);
   });
 

defaultsDeep.js

@@ -1,4 +1,4 @@
-define(['./_apply', './_baseRest', './_mergeDefaults', './mergeWith'], function(apply, baseRest, mergeDefaults, mergeWith) {
+define(['./_apply', './_baseRest', './_customDefaultsMerge', './mergeWith'], function(apply, baseRest, customDefaultsMerge, mergeWith) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
@@ -23,7 +23,7 @@ define(['./_apply', './_baseRest', './_mergeDefaults', './mergeWith'], function(
    * // => { 'a': { 'b': 2, 'c': 3 } }
    */
   var defaultsDeep = baseRest(function(args) {
-    args.push(undefined, mergeDefaults);
+    args.push(undefined, customDefaultsMerge);
     return apply(mergeWith, undefined, args);
   });
 

isEqual.js

@@ -8,7 +8,7 @@ define(['./_baseIsEqual'], function(baseIsEqual) {
    * date objects, error objects, maps, numbers, `Object` objects, regexes,
    * sets, strings, symbols, and typed arrays. `Object` objects are compared
    * by their own, not inherited, enumerable properties. Functions and DOM
-   * nodes are **not** supported.
+   * nodes are compared by strict equality, i.e. `===`.
    *
    * @static
    * @memberOf _

main.js

@@ -13,7 +13,7 @@
   var undefined;
 
   /** Used as the semantic version number. */
-  var VERSION = '4.17.2';
+  var VERSION = '4.17.3';
 
   /** Used as the size to enable large array optimizations. */
   var LARGE_ARRAY_SIZE = 200;
@@ -1568,9 +1568,9 @@
      * Shortcut fusion is an optimization to merge iteratee calls; this avoids
      * the creation of intermediate arrays and can greatly reduce the number of
      * iteratee executions. Sections of a chain sequence qualify for shortcut
-     * fusion if the section is applied to an array of at least `200` elements
+     * fusion if the section is applied to an array and iteratees accept only
-     * and any iteratees accept only one argument. The heuristic for whether a
+     * one argument. The heuristic for whether a section qualifies for shortcut
-     * section qualifies for shortcut fusion is subject to change.
+     * fusion is subject to change.
      *
      * Chaining is supported in custom builds as long as the `_#value` method is
      * directly or indirectly included in the build.
@@ -1729,8 +1729,8 @@
 
     /**
      * By default, the template delimiters used by lodash are like those in
-     * embedded Ruby (ERB). Change the following template settings to use
+     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
-     * alternative delimiters.
+     * following template settings to use alternative delimiters.
      *
      * @static
      * @memberOf _
@@ -1877,8 +1877,7 @@
           resIndex = 0,
           takeCount = nativeMin(length, this.__takeCount__);
 
-      if (!isArr || arrLength < LARGE_ARRAY_SIZE ||
+      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
-          (arrLength == length && takeCount == length)) {
         return baseWrapperValue(array, this.__actions__);
       }
       var result = [];
@@ -1992,7 +1991,7 @@
      */
     function hashHas(key) {
       var data = this.__data__;
-      return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
+      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
     }
 
     /**
@@ -2465,24 +2464,6 @@
       return shuffleSelf(copyArray(array));
     }
 
-    /**
-     * Used by `_.defaults` to customize its `_.assignIn` use.
-     *
-     * @private
-     * @param {*} objValue The destination value.
-     * @param {*} srcValue The source value.
-     * @param {string} key The key of the property to assign.
-     * @param {Object} object The parent object of `objValue`.
-     * @returns {*} Returns the value to assign.
-     */
-    function assignInDefaults(objValue, srcValue, key, object) {
-      if (objValue === undefined ||
-          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
-        return srcValue;
-      }
-      return objValue;
-    }
-
     /**
      * This function is like `assignValue` except that it doesn't assign
      * `undefined` values.
@@ -3095,8 +3076,7 @@
       if (value == null) {
         return value === undefined ? undefinedTag : nullTag;
       }
-      value = Object(value);
+      return (symToStringTag && symToStringTag in Object(value))
-      return (symToStringTag && symToStringTag in value)
         ? getRawTag(value)
         : objectToString(value);
     }
@@ -3300,7 +3280,7 @@
       if (value === other) {
         return true;
       }
-      if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
+      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
         return value !== value && other !== other;
       }
       return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
@@ -3323,17 +3303,12 @@
     function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
       var objIsArr = isArray(object),
           othIsArr = isArray(other),
-          objTag = arrayTag,
+          objTag = objIsArr ? arrayTag : getTag(object),
-          othTag = arrayTag;
+          othTag = othIsArr ? arrayTag : getTag(other);
+
+      objTag = objTag == argsTag ? objectTag : objTag;
+      othTag = othTag == argsTag ? objectTag : othTag;
 
-      if (!objIsArr) {
-        objTag = getTag(object);
-        objTag = objTag == argsTag ? objectTag : objTag;
-      }
-      if (!othIsArr) {
-        othTag = getTag(other);
-        othTag = othTag == argsTag ? objectTag : othTag;
-      }
       var objIsObj = objTag == objectTag,
           othIsObj = othTag == objectTag,
           isSameTag = objTag == othTag;
@@ -3781,7 +3756,6 @@
      * @returns {Object} Returns the new object.
      */
     function basePick(object, paths) {
-      object = Object(object);
       return basePickBy(object, paths, function(value, path) {
         return hasIn(object, path);
       });
@@ -5174,8 +5148,7 @@
           var args = arguments,
               value = args[0];
 
-          if (wrapper && args.length == 1 &&
+          if (wrapper && args.length == 1 && isArray(value)) {
-              isArray(value) && value.length >= LARGE_ARRAY_SIZE) {
             return wrapper.plant(value).value();
           }
           var index = 0,
@@ -5482,7 +5455,7 @@
       var func = Math[methodName];
       return function(number, precision) {
         number = toNumber(number);
-        precision = nativeMin(toInteger(precision), 292);
+        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
         if (precision) {
           // Shift with exponential notation to avoid floating-point issues.
           // See [MDN](https://mdn.io/round#Examples) for more details.
@@ -5587,7 +5560,7 @@
       thisArg = newData[2];
       partials = newData[3];
       holders = newData[4];
-      arity = newData[9] = newData[9] == null
+      arity = newData[9] = newData[9] === undefined
         ? (isBindKey ? 0 : func.length)
         : nativeMax(newData[9] - length, 0);
 
@@ -5607,6 +5580,63 @@
       return setWrapToString(setter(result, newData), func, bitmask);
     }
 
+    /**
+     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
+     * of source objects to the destination object for all destination properties
+     * that resolve to `undefined`.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to assign.
+     * @param {Object} object The parent object of `objValue`.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsAssignIn(objValue, srcValue, key, object) {
+      if (objValue === undefined ||
+          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+        return srcValue;
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
+     * objects into destination objects that are passed thru.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to merge.
+     * @param {Object} object The parent object of `objValue`.
+     * @param {Object} source The parent object of `srcValue`.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
+      if (isObject(objValue) && isObject(srcValue)) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        stack.set(srcValue, objValue);
+        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
+        stack['delete'](srcValue);
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
+     * objects.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @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;
+    }
+
     /**
      * A specialized version of `baseIsEqualDeep` for arrays with support for
      * partial deep comparisons.
@@ -5778,9 +5808,9 @@
      */
     function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
       var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
-          objProps = keys(object),
+          objProps = getAllKeys(object),
           objLength = objProps.length,
-          othProps = keys(other),
+          othProps = getAllKeys(other),
           othLength = othProps.length;
 
       if (objLength != othLength && !isPartial) {
@@ -6018,7 +6048,15 @@
      * @param {Object} object The object to query.
      * @returns {Array} Returns the array of symbols.
      */
-    var getSymbols = nativeGetSymbols ? overArg(nativeGetSymbols, Object) : stubArray;
+    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+      if (object == null) {
+        return [];
+      }
+      object = Object(object);
+      return arrayFilter(nativeGetSymbols(object), function(symbol) {
+        return propertyIsEnumerable.call(object, symbol);
+      });
+    };
 
     /**
      * Creates an array of the own and inherited enumerable symbols of `object`.
@@ -6504,29 +6542,6 @@
       return data;
     }
 
-    /**
-     * Used by `_.defaultsDeep` to customize its `_.merge` use.
-     *
-     * @private
-     * @param {*} objValue The destination value.
-     * @param {*} srcValue The source value.
-     * @param {string} key The key of the property to merge.
-     * @param {Object} object The parent object of `objValue`.
-     * @param {Object} source The parent object of `srcValue`.
-     * @param {Object} [stack] Tracks traversed source values and their merged
-     *  counterparts.
-     * @returns {*} Returns the value to assign.
-     */
-    function mergeDefaults(objValue, srcValue, key, object, source, stack) {
-      if (isObject(objValue) && isObject(srcValue)) {
-        // Recursively merge objects and arrays (susceptible to call stack limits).
-        stack.set(srcValue, objValue);
-        baseMerge(objValue, srcValue, undefined, mergeDefaults, stack);
-        stack['delete'](srcValue);
-      }
-      return objValue;
-    }
-
     /**
      * This function is like
      * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
@@ -8269,7 +8284,7 @@
      *
      * var users = [
      *   { 'user': 'barney',  'active': false },
-     *   { 'user': 'fred',    'active': false},
+     *   { 'user': 'fred',    'active': false },
      *   { 'user': 'pebbles', 'active': true }
      * ];
      *
@@ -10838,7 +10853,7 @@
       if (typeof func != 'function') {
         throw new TypeError(FUNC_ERROR_TEXT);
       }
-      start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
+      start = start == null ? 0 : nativeMax(toInteger(start), 0);
       return baseRest(function(args) {
         var array = args[start],
             otherArgs = castSlice(args, 0, start);
@@ -11508,7 +11523,7 @@
      * date objects, error objects, maps, numbers, `Object` objects, regexes,
      * sets, strings, symbols, and typed arrays. `Object` objects are compared
      * by their own, not inherited, enumerable properties. Functions and DOM
-     * nodes are **not** supported.
+     * nodes are compared by strict equality, i.e. `===`.
      *
      * @static
      * @memberOf _
@@ -12528,7 +12543,9 @@
      * // => 3
      */
     function toSafeInteger(value) {
-      return baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);
+      return value
+        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
+        : (value === 0 ? value : 0);
     }
 
     /**
@@ -12782,7 +12799,7 @@
      * // => { 'a': 1, 'b': 2 }
      */
     var defaults = baseRest(function(args) {
-      args.push(undefined, assignInDefaults);
+      args.push(undefined, customDefaultsAssignIn);
       return apply(assignInWith, undefined, args);
     });
 
@@ -12806,7 +12823,7 @@
      * // => { 'a': { 'b': 2, 'c': 3 } }
      */
     var defaultsDeep = baseRest(function(args) {
-      args.push(undefined, mergeDefaults);
+      args.push(undefined, customDefaultsMerge);
       return apply(mergeWith, undefined, args);
     });
 
@@ -13468,7 +13485,7 @@
       });
       copyObject(object, getAllKeysIn(object), result);
       if (isDeep) {
-        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG);
+        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
       }
       var length = paths.length;
       while (length--) {
@@ -14617,7 +14634,10 @@
      */
     function startsWith(string, target, position) {
       string = toString(string);
-      position = baseClamp(toInteger(position), 0, string.length);
+      position = position == null
+        ? 0
+        : baseClamp(toInteger(position), 0, string.length);
+
       target = baseToString(target);
       return string.slice(position, position + target.length) == target;
     }
@@ -14736,9 +14756,9 @@
         options = undefined;
       }
       string = toString(string);
-      options = assignInWith({}, options, settings, assignInDefaults);
+      options = assignInWith({}, options, settings, customDefaultsAssignIn);
 
-      var imports = assignInWith({}, options.imports, settings.imports, assignInDefaults),
+      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
           importsKeys = keys(imports),
           importsValues = baseValues(imports, importsKeys);
 
@@ -16822,14 +16842,13 @@
     // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
     arrayEach(['drop', 'take'], function(methodName, index) {
       LazyWrapper.prototype[methodName] = function(n) {
-        var filtered = this.__filtered__;
-        if (filtered && !index) {
-          return new LazyWrapper(this);
-        }
         n = n === undefined ? 1 : nativeMax(toInteger(n), 0);
 
-        var result = this.clone();
+        var result = (this.__filtered__ && !index)
-        if (filtered) {
+          ? new LazyWrapper(this)
+          : this.clone();
+
+        if (result.__filtered__) {
           result.__takeCount__ = nativeMin(n, result.__takeCount__);
         } else {
           result.__views__.push({

omit.js

@@ -1,4 +1,4 @@
-define(['./_arrayMap', './_baseClone', './_baseUnset', './_castPath', './_copyObject', './_flatRest', './_getAllKeysIn'], function(arrayMap, baseClone, baseUnset, castPath, copyObject, flatRest, getAllKeysIn) {
+define(['./_arrayMap', './_baseClone', './_baseUnset', './_castPath', './_copyObject', './_customOmitClone', './_flatRest', './_getAllKeysIn'], function(arrayMap, baseClone, baseUnset, castPath, copyObject, customOmitClone, flatRest, getAllKeysIn) {
 
   /** Used to compose bitmasks for cloning. */
   var CLONE_DEEP_FLAG = 1,
@@ -38,7 +38,7 @@ define(['./_arrayMap', './_baseClone', './_baseUnset', './_castPath', './_copyOb
     });
     copyObject(object, getAllKeysIn(object), result);
     if (isDeep) {
-      result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG);
+      result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
     }
     var length = paths.length;
     while (length--) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lodash-amd",
-  "version": "4.17.2",
+  "version": "4.17.3",
   "description": "Lodash exported as AMD modules.",
   "keywords": "amd, modules, stdlib, util",
   "homepage": "https://lodash.com/custom-builds",

spread.js

@@ -1,8 +1,5 @@
 define(['./_apply', './_arrayPush', './_baseRest', './_castSlice', './toInteger'], function(apply, arrayPush, baseRest, castSlice, toInteger) {
 
-  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
-  var undefined;
-
   /** Error message constants. */
   var FUNC_ERROR_TEXT = 'Expected a function';
 
@@ -47,7 +44,7 @@ define(['./_apply', './_arrayPush', './_baseRest', './_castSlice', './toInteger'
     if (typeof func != 'function') {
       throw new TypeError(FUNC_ERROR_TEXT);
     }
-    start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
+    start = start == null ? 0 : nativeMax(toInteger(start), 0);
     return baseRest(function(args) {
       var array = args[start],
           otherArgs = castSlice(args, 0, start);

startsWith.js

@@ -25,7 +25,10 @@ define(['./_baseClamp', './_baseToString', './toInteger', './toString'], functio
    */
   function startsWith(string, target, position) {
     string = toString(string);
-    position = baseClamp(toInteger(position), 0, string.length);
+    position = position == null
+      ? 0
+      : baseClamp(toInteger(position), 0, string.length);
+
     target = baseToString(target);
     return string.slice(position, position + target.length) == target;
   }

takeWhile.js

@@ -16,7 +16,7 @@ define(['./_baseIteratee', './_baseWhile'], function(baseIteratee, baseWhile) {
    *
    * var users = [
    *   { 'user': 'barney',  'active': false },
-   *   { 'user': 'fred',    'active': false},
+   *   { 'user': 'fred',    'active': false },
    *   { 'user': 'pebbles', 'active': true }
    * ];
    *

template.js

@@ -1,4 +1,4 @@
-define(['./_assignInDefaults', './assignInWith', './attempt', './_baseValues', './_escapeStringChar', './isError', './_isIterateeCall', './keys', './_reInterpolate', './templateSettings', './toString'], function(assignInDefaults, assignInWith, attempt, baseValues, escapeStringChar, isError, isIterateeCall, keys, reInterpolate, templateSettings, toString) {
+define(['./assignInWith', './attempt', './_baseValues', './_customDefaultsAssignIn', './_escapeStringChar', './isError', './_isIterateeCall', './keys', './_reInterpolate', './templateSettings', './toString'], function(assignInWith, attempt, baseValues, customDefaultsAssignIn, escapeStringChar, isError, isIterateeCall, keys, reInterpolate, templateSettings, toString) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
@@ -134,9 +134,9 @@ define(['./_assignInDefaults', './assignInWith', './attempt', './_baseValues', '
       options = undefined;
     }
     string = toString(string);
-    options = assignInWith({}, options, settings, assignInDefaults);
+    options = assignInWith({}, options, settings, customDefaultsAssignIn);
 
-    var imports = assignInWith({}, options.imports, settings.imports, assignInDefaults),
+    var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
         importsKeys = keys(imports),
         importsValues = baseValues(imports, importsKeys);
 

templateSettings.js

@@ -2,8 +2,8 @@ define(['./escape', './_reEscape', './_reEvaluate', './_reInterpolate'], functio
 
   /**
    * By default, the template delimiters used by lodash are like those in
-   * embedded Ruby (ERB). Change the following template settings to use
+   * embedded Ruby (ERB) as well as ES2015 template strings. Change the
-   * alternative delimiters.
+   * following template settings to use alternative delimiters.
    *
    * @static
    * @memberOf _

toSafeInteger.js

@@ -28,7 +28,9 @@ define(['./_baseClamp', './toInteger'], function(baseClamp, toInteger) {
    * // => 3
    */
   function toSafeInteger(value) {
-    return baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);
+    return value
+      ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
+      : (value === 0 ? value : 0);
   }
 
   return toSafeInteger;

wrapperLodash.js

@@ -24,9 +24,9 @@ define(['./_LazyWrapper', './_LodashWrapper', './_baseLodash', './isArray', './i
    * Shortcut fusion is an optimization to merge iteratee calls; this avoids
    * the creation of intermediate arrays and can greatly reduce the number of
    * iteratee executions. Sections of a chain sequence qualify for shortcut
-   * fusion if the section is applied to an array of at least `200` elements
+   * fusion if the section is applied to an array and iteratees accept only
-   * and any iteratees accept only one argument. The heuristic for whether a
+   * one argument. The heuristic for whether a section qualifies for shortcut
-   * section qualifies for shortcut fusion is subject to change.
+   * fusion is subject to change.
    *
    * Chaining is supported in custom builds as long as the `_#value` method is
    * directly or indirectly included in the build.