lodash.pick - npm Package Compare versions

Comparing version 4.2.0 to 4.2.1

index.js

 /**
- * lodash 4.2.0 (Custom Build) <https://lodash.com/>
+ * lodash (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
@@ -12,3 +12,29 @@ * Copyright jQuery Foundation and other contributors <https://jquery.org/>
 
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/** `Object#toString` result references. */
+var symbolTag = '[object Symbol]';
+
 /**
+ * A specialized version of `_.map` for arrays without support for iteratee
+ * shorthands.
+ *
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the new mapped array.
+ */
+function arrayMap(array, iteratee) {
+  var index = -1,
+      length = array.length,
+      result = Array(length);
+
+  while (++index < length) {
+    result[index] = iteratee(array[index], index, array);
+  }
+  return result;
+}
+
+/**
  * A specialized version of `_.reduce` for arrays without support for
@@ -38,3 +64,13 @@ * iteratee shorthands.
 
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
 /**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var objectToString = objectProto.toString;
+
+/**
  * The base implementation of `_.pick` without support for individual
@@ -59,2 +95,68 @@ * property identifiers.
 /**
+ * Converts `value` to a string key if it's not a string or symbol.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @returns {string|symbol} Returns the key.
+ */
+function toKey(value) {
+  if (typeof value == 'string' || isSymbol(value)) {
+    return value;
+  }
+  var result = (value + '');
+  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
+}
+
+/**
+ * Checks if `value` is classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified,
+ *  else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && objectToString.call(value) == symbolTag);
+}
+
+/**
  * Creates an object composed of the picked `object` properties.
@@ -67,4 +169,3 @@ *
  * @param {Object} object The source object.
- * @param {...(string|string[])} [props] The property identifiers to pick,
- *  specified individually or in arrays.
+ * @param {...(string|string[])} [props] The property identifiers to pick.
  * @returns {Object} Returns the new object.
@@ -79,5 +180,5 @@ * @example
 var pick = rest(function(object, props) {
-  return object == null ? {} : basePick(object, baseFlatten(props, 1));
+  return object == null ? {} : basePick(object, arrayMap(baseFlatten(props, 1), toKey));
 });
 
 module.exports = pick;

package.json

 {
   "name": "lodash.pick",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "The lodash method `_.pick` exported as a module.",
@@ -5,0 +5,0 @@ "homepage": "https://lodash.com/",

README.md

@@ -1,2 +0,2 @@
-# lodash.pick v4.2.0
+# lodash.pick v4.2.1
 
@@ -18,2 +18,2 @@ The [lodash](https://lodash.com/) method `_.pick` exported as a [Node.js](https://nodejs.org/) module.
 
-See the [documentation](https://lodash.com/docs#pick) or [package source](https://github.com/lodash/lodash/blob/4.2.0-npm-packages/lodash.pick) for more details.
+See the [documentation](https://lodash.com/docs#pick) or [package source](https://github.com/lodash/lodash/blob/4.2.1-npm-packages/lodash.pick) for more details.

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Improved metrics

Total package byte prevSize

7888

increased by42.9%

Lines of code

165

increased by126.03%

No dependency changes