lodash.result - npm Package Compare versions

Comparing version 4.2.1 to 4.3.0

index.js

 /**
- * lodash 4.2.1 (Custom Build) <https://lodash.com/>
+ * lodash 4.3.0 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
- * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
+ * Copyright jQuery Foundation and other contributors <https://jquery.org/>
+ * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <https://lodash.com/license>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  */
-var baseSlice = require('lodash._baseslice'),
-    toString = require('lodash.tostring');
+var stringToPath = require('lodash._stringtopath');
 
 /** `Object#toString` result references. */
 var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]';
+    genTag = '[object GeneratorFunction]',
+    symbolTag = '[object Symbol]';
 
 /** Used to match property names within property paths. */
 var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
-    reIsPlainProp = /^\w*$/,
-    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g;
+    reIsPlainProp = /^\w*$/;
 
-/** Used to match backslashes in property paths. */
-var reEscapeChar = /\\(\\)?/g;
-
 /** Used for built-in method references. */
@@ -45,22 +41,2 @@ var objectProto = Object.prototype;
 /**
- * The base implementation of `_.get` without support for default values.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @returns {*} Returns the resolved value.
- */
-function baseGet(object, path) {
-  path = isKey(path, object) ? [path + ''] : baseCastPath(path);
-
-  var index = 0,
-      length = path.length;
-
-  while (object != null && index < length) {
-    object = object[path[index++]];
-  }
-  return (index && index == length) ? object : undefined;
-}
-
-/**
  * Checks if `value` is a property name and not a property path.
@@ -74,7 +50,8 @@ *
 function isKey(value, object) {
-  if (typeof value == 'number') {
+  var type = typeof value;
+  if (type == 'number' || type == 'symbol') {
     return true;
   }
   return !isArray(value) &&
-    (reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+    (isSymbol(value) || reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
       (object != null && value in Object(object)));
@@ -84,29 +61,2 @@ }
 /**
- * Gets the parent value at `path` of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array} path The path to get the parent value of.
- * @returns {*} Returns the parent value.
- */
-function parent(object, path) {
-  return path.length == 1 ? object : get(object, baseSlice(path, 0, -1));
-}
-
-/**
- * Converts `string` to a property path array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the property path array.
- */
-function stringToPath(string) {
-  var result = [];
-  toString(string).replace(rePropName, function(match, number, quote, string) {
-    result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
-  });
-  return result;
-}
-
-/**
  * Checks if `value` is classified as an `Array` object.
@@ -116,6 +66,8 @@ *
  * @memberOf _
+ * @since 0.1.0
  * @type {Function}
  * @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 correctly classified,
+ *  else `false`.
  * @example
@@ -142,5 +94,7 @@ *
  * @memberOf _
+ * @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 correctly classified,
+ *  else `false`.
  * @example
@@ -168,2 +122,3 @@ *
  * @memberOf _
+ * @since 0.1.0
  * @category Lang
@@ -192,41 +147,64 @@ * @param {*} value The value to check.
 /**
- * Gets the value at `path` of `object`. If the resolved value is
- * `undefined` the `defaultValue` is used in its place.
+ * 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 _
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @param {*} [defaultValue] The value returned if the resolved value is `undefined`.
- * @returns {*} Returns the resolved value.
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
  * @example
  *
- * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+ * _.isObjectLike({});
+ * // => true
  *
- * _.get(object, 'a[0].b.c');
- * // => 3
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
  *
- * _.get(object, ['a', '0', 'b', 'c']);
- * // => 3
+ * _.isObjectLike(_.noop);
+ * // => false
  *
- * _.get(object, 'a.b.c', 'default');
- * // => 'default'
+ * _.isObjectLike(null);
+ * // => false
  */
-function get(object, path, defaultValue) {
-  var result = object == null ? undefined : baseGet(object, path);
-  return result === undefined ? defaultValue : result;
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
 }
 
 /**
- * This method is like `_.get` except that if the resolved value is a function
- * it's invoked with the `this` binding of its parent object and its result
- * is returned.
+ * 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);
+}
+
+/**
+ * This method is like `_.get` except that if the resolved value is a
+ * function it's invoked with the `this` binding of its parent object and
+ * its result is returned.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
  * @category Object
  * @param {Object} object The object to query.
  * @param {Array|string} path The path of the property to resolve.
- * @param {*} [defaultValue] The value returned if the resolved value is `undefined`.
+ * @param {*} [defaultValue] The value returned for `undefined` resolved values.
  * @returns {*} Returns the resolved value.
@@ -250,15 +228,23 @@ * @example
 function result(object, path, defaultValue) {
-  if (!isKey(path, object)) {
-    path = baseCastPath(path);
-    var result = get(object, path);
-    object = parent(object, path);
-  } else {
-    result = object == null ? undefined : object[path];
+  path = isKey(path, object) ? [path] : baseCastPath(path);
+
+  var index = -1,
+      length = path.length;
+
+  // Ensure the loop is entered when path is empty.
+  if (!length) {
+    object = undefined;
+    length = 1;
   }
-  if (result === undefined) {
-    result = defaultValue;
+  while (++index < length) {
+    var value = object == null ? undefined : object[path[index]];
+    if (value === undefined) {
+      index = length;
+      value = defaultValue;
+    }
+    object = isFunction(value) ? value.call(object) : value;
   }
-  return isFunction(result) ? result.call(object) : result;
+  return object;
 }
 
 module.exports = result;

package.json

 {
   "name": "lodash.result",
-  "version": "4.2.1",
+  "version": "4.3.0",
   "description": "The lodash method `_.result` exported as a module.",
@@ -18,5 +18,4 @@ "homepage": "https://lodash.com/",
   "dependencies": {
-    "lodash._baseslice": "~4.0.0",
-    "lodash.tostring": "^4.0.0"
+    "lodash._stringtopath": "~4.7.0"
   }
 }

README.md

@@ -1,2 +0,2 @@
-# lodash.result v4.2.1
+# lodash.result v4.3.0
 
@@ -18,2 +18,2 @@ The [lodash](https://lodash.com/) method `_.result` exported as a [Node.js](https://nodejs.org/) module.
 
-See the [documentation](https://lodash.com/docs#result) or [package source](https://github.com/lodash/lodash/blob/4.2.1-npm-packages/lodash.result) for more details.
+See the [documentation](https://lodash.com/docs#result) or [package source](https://github.com/lodash/lodash/blob/4.3.0-npm-packages/lodash.result) for more details.

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Improved metrics

Dependency count

1

decreased by-50%

Worsened metrics

Total package byte prevSize

9375

decreased by-2.41%

Number of low license alerts

1

increased byInfinity%

Lines of code

227

decreased by-4.62%

Dependency changes

• + Addedlodash._stringtopath@~4.7.0

• + Addedlodash._stringtopath@4.7.1(transitive)

• - Removedlodash._baseslice@~4.0.0

• - Removedlodash.tostring@^4.0.0

• - Removedlodash._baseslice@4.0.0(transitive)

• - Removedlodash.tostring@4.1.4(transitive)