Bump to v4.2.0.

lodash.spread/index.js

@@ -6,8 +6,6 @@
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
  * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  */
-var baseSlice = require('lodash._baseslice'),
-    rest = require('lodash.rest');
 
 /** Used as the `TypeError` message for "Functions" methods. */
 var FUNC_ERROR_TEXT = 'Expected a function';
@@ -48,8 +46,7 @@ var freeParseInt = parseInt;
  * @returns {*} Returns the result of `func`.
  */
 function apply(func, thisArg, args) {
-  var length = args.length;
-  switch (length) {
+  switch (args.length) {
     case 0: return func.call(thisArg);
     case 1: return func.call(thisArg, args[0]);
     case 2: return func.call(thisArg, args[0], args[1]);
@@ -90,6 +87,65 @@ var objectToString = objectProto.toString;
 /* Built-in method references for those with the same name as other `lodash` methods. */
 var nativeMax = Math.max;
 
+/**
+ * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+ *
+ * @private
+ * @param {Function} func The function to apply a rest parameter to.
+ * @param {number} [start=func.length-1] The start position of the rest parameter.
+ * @returns {Function} Returns the new function.
+ */
+function baseRest(func, start) {
+  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+  return function() {
+    var args = arguments,
+        index = -1,
+        length = nativeMax(args.length - start, 0),
+        array = Array(length);
+
+    while (++index < length) {
+      array[index] = args[start + index];
+    }
+    index = -1;
+    var otherArgs = Array(start + 1);
+    while (++index < start) {
+      otherArgs[index] = args[index];
+    }
+    otherArgs[start] = array;
+    return apply(func, this, otherArgs);
+  };
+}
+
+/**
+ * The base implementation of `_.slice` without an iteratee call guard.
+ *
+ * @private
+ * @param {Array} array The array to slice.
+ * @param {number} [start=0] The start position.
+ * @param {number} [end=array.length] The end position.
+ * @returns {Array} Returns the slice of `array`.
+ */
+function baseSlice(array, start, end) {
+  var index = -1,
+      length = array.length;
+
+  if (start < 0) {
+    start = -start > length ? 0 : (length + start);
+  }
+  end = end > length ? length : end;
+  if (end < 0) {
+    end += length;
+  }
+  length = start > end ? 0 : ((end - start) >>> 0);
+  start >>>= 0;
+
+  var result = Array(length);
+  while (++index < length) {
+    result[index] = array[index + start];
+  }
+  return result;
+}
+
 /**
  * Casts `array` to a slice if it's needed.
  *
@@ -144,7 +200,7 @@ function spread(func, start) {
     throw new TypeError(FUNC_ERROR_TEXT);
   }
   start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
-  return rest(function(args) {
+  return baseRest(function(args) {
     var array = args[start],
         otherArgs = castSlice(args, 0, start);
 
@@ -163,8 +219,7 @@ function spread(func, start) {
  * @since 0.1.0
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
+ * @returns {boolean} Returns `true` if `value` is a function, else `false`.
  * @example
  *
  * _.isFunction(_);
@@ -247,8 +302,7 @@ function isObjectLike(value) {
  * @since 4.0.0
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
+ * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
  * @example
  *
  * _.isSymbol(Symbol.iterator);
@@ -300,7 +354,7 @@ function toFinite(value) {
 /**
  * Converts `value` to an integer.
  *
- * **Note:** This function is loosely based on
+ * **Note:** This method is loosely based on
  * [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
  *
  * @static