Add _.zipObjectDeep.

fp/_mapping.js

@@ -66,7 +66,8 @@ module.exports = {
         'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
         'split', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight', 'takeRightWhile',
         'takeWhile', 'tap', 'throttle', 'thru', 'times', 'truncate', 'union', 'uniqBy',
-        'uniqWith', 'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject'
+        'uniqWith', 'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
+        'zipObjectDeep'
       ],
     3:[
         'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',

lodash.js

@@ -1391,7 +1391,8 @@
      * `toArray`, `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`,
      * `unary`, `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`,
      * `unset`, `unshift`, `unzip`, `unzipWith`, `values`, `valuesIn`, `without`,
-     * `wrap`, `xor`, `xorBy`, `xorWith`, `zip`, `zipObject`, and `zipWith`
+     * `wrap`, `xor`, `xorBy`, `xorWith`, `zip`, `zipObject`, `zipObjectDeep`,
+     * and `zipWith`
      *
      * The wrapper methods that are **not** chainable by default are:
      * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
@@ -3626,6 +3627,27 @@
       return (result && result.length) ? baseUniq(result, iteratee, comparator) : [];
     }
 
+    /**
+     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
+     *
+     * @private
+     * @param {Array} props The property names.
+     * @param {Array} values The property values.
+     * @param {Function} assignFunc The function to assign values.
+     * @returns {Object} Returns the new object.
+     */
+    function baseZipObject(props, values, assignFunc) {
+      var index = -1,
+          length = props.length,
+          valsLength = values.length,
+          result = {};
+
+      while (++index < length) {
+        assignFunc(result, props[index], index < valsLength ? values[index] : undefined);
+      }
+      return result;
+    }
+
     /**
      * Creates a clone of `buffer`.
      *
@@ -6908,19 +6930,29 @@
      * @returns {Object} Returns the new object.
      * @example
      *
-     * _.zipObject(['fred', 'barney'], [30, 40]);
-     * // => { 'fred': 30, 'barney': 40 }
+     * _.zipObject(['a', 'b'], [1, 2]);
+     * // => { 'a': 1, 'b': 2 }
      */
     function zipObject(props, values) {
-      var index = -1,
-          length = props ? props.length : 0,
-          valsLength = values ? values.length : 0,
-          result = {};
+      return baseZipObject(props || [], values || [], assignValue);
+    }
 
-      while (++index < length) {
-        baseSet(result, props[index], index < valsLength ? values[index] : undefined);
-      }
-      return result;
+    /**
+     * This method is like `_.zipObject` except that it supports property paths.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} [props=[]] The property names.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
+     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
+     */
+    function zipObjectDeep(props, values) {
+      return baseZipObject(props || [], values || [], baseSet);
     }
 
     /**
@@ -14016,6 +14048,7 @@
     lodash.xorWith = xorWith;
     lodash.zip = zip;
     lodash.zipObject = zipObject;
+    lodash.zipObjectDeep = zipObjectDeep;
     lodash.zipWith = zipWith;
 
     // Add aliases.

test/test.js

@@ -22391,55 +22391,57 @@
 
   /*--------------------------------------------------------------------------*/
 
-  QUnit.module('lodash.zipObject');
+  QUnit.module('zipObject methods');
 
-  (function() {
-    var object = { 'barney': 36, 'fred': 40 },
-        array = [['barney', 36], ['fred', 40]];
+  lodashStable.each(['zipObject', 'zipObjectDeep'], function(methodName) {
+    var func = _[methodName],
+        array = [['barney', 36], ['fred', 40]],
+        object = { 'barney': 36, 'fred': 40 },
+        isDeep = methodName == 'zipObjectDeep';
 
-    QUnit.test('should zip together key/value arrays into an object', function(assert) {
+    QUnit.test('`_.' + methodName + '` should zip together key/value arrays into an object', function(assert) {
       assert.expect(1);
 
-      var actual = _.zipObject(['barney', 'fred'], [36, 40]);
+      var actual = func(['barney', 'fred'], [36, 40]);
       assert.deepEqual(actual, object);
     });
 
-    QUnit.test('should ignore extra `values`', function(assert) {
+    QUnit.test('`_.' + methodName + '` should ignore extra `values`', function(assert) {
       assert.expect(1);
 
-      assert.deepEqual(_.zipObject(['a'], [1, 2]), { 'a': 1 });
+      assert.deepEqual(func(['a'], [1, 2]), { 'a': 1 });
     });
 
-    QUnit.test('should assign `undefined` values for extra `keys`', function(assert) {
+    QUnit.test('`_.' + methodName + '` should assign `undefined` values for extra `keys`', function(assert) {
       assert.expect(1);
 
-      assert.deepEqual(_.zipObject(['a', 'b'], [1]), { 'a': 1, 'b': undefined });
+      assert.deepEqual(func(['a', 'b'], [1]), { 'a': 1, 'b': undefined });
     });
 
-    QUnit.test('should support deep paths', function(assert) {
+    QUnit.test('`_.' + methodName + '` should ' + (isDeep ? '' : 'not ') + 'support deep paths', function(assert) {
       assert.expect(2);
 
-      lodashStable.each(['a.b.c', ['a', 'b', 'c']], function(path) {
-        var actual = _.zipObject([path], [1]);
-        assert.deepEqual(actual, { 'a': { 'b': { 'c': 1 } } });
+      lodashStable.each(['a.b.c', ['a', 'b', 'c']], function(path, index) {
+        var expected = isDeep ? ({ 'a': { 'b': { 'c': 1 } } }) : (index ? { 'a,b,c': 1 } : { 'a.b.c': 1 });
+        assert.deepEqual(func([path], [1]), expected);
       });
     });
 
-    QUnit.test('should work in a lazy sequence', function(assert) {
+    QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) {
       assert.expect(1);
 
       if (!isNpm) {
         var values = lodashStable.range(LARGE_ARRAY_SIZE),
             props = lodashStable.map(values, function(value) { return 'key' + value; }),
-            actual = _(props).zipObject(values).map(square).filter(isEven).take().value();
+            actual = _(props)[methodName](values).map(square).filter(isEven).take().value();
 
-        assert.deepEqual(actual, _.take(_.filter(_.map(_.zipObject(props, values), square), isEven)));
+        assert.deepEqual(actual, _.take(_.filter(_.map(func(props, values), square), isEven)));
       }
       else {
         skipTest(assert);
       }
     });
-  }());
+  });
 
   /*--------------------------------------------------------------------------*/
 
@@ -23376,7 +23378,7 @@
     var acceptFalsey = lodashStable.difference(allMethods, rejectFalsey);
 
     QUnit.test('should accept falsey arguments', function(assert) {
-      assert.expect(287);
+      assert.expect(288);
 
       var emptyArrays = lodashStable.map(falsey, alwaysEmptyArray);