Revert "Merge pull request #34 from substantial/default-to-array"

This reverts commit 12bf952, reversing
changes made to 7a35404.

lib/update.js

@@ -1,8 +1,10 @@
 import wrap from './wrap';
-import isEmpty from './util/isEmpty';
-import defaultObject from './util/defaultObject';
 import isPlainObject from 'lodash/lang/isPlainObject';
 
+function isEmpty(object) {
+  return !Object.keys(object).length;
+}
+
 function reduce(object, callback, initialValue) {
   return Object.keys(object).reduce((acc, key) => {
     return callback(acc, object[key], key);
@@ -63,7 +65,9 @@ function update(updates, object, ...args) {
     return updates;
   }
 
-  const defaultedObject = defaultObject(object, updates);
+  const defaultedObject = (typeof object === 'undefined' || object === null) ?
+    {} :
+    object;
 
   const resolvedUpdates = resolveUpdates(updates, defaultedObject);
 

test/updateIn-spec.js

@@ -27,12 +27,6 @@ describe('u.updateIn', () => {
     expect(result).to.eql({ a: [0, 3, 0] });
   });
 
-  it('can create array if all keys are numbers', () => {
-    const result = u.updateIn('a.0', 3, null);
-
-    expect(result).to.eql({ a: [3] });
-  });
-
   it('can be partially applied', () => {
     const object = { a: { b: 0 } };
     const result = u.updateIn('a.b')(3)(object);

test/updeep-spec.js

@@ -42,18 +42,6 @@ describe('updeep', () => {
     expect(u(null, {})).to.be.null;
   });
 
-  it('can create array if all keys are numbers', () => {
-    const result = u({ 0: 'hi', '1': 'world' }, null);
-
-    expect(result).to.eql(['hi', 'world']);
-  });
-
-  it('does not create array if any key is not number', () => {
-    const result = u({ 0: 'hi', '1a': 'world' }, null);
-
-    expect(result).to.eql({ 0: 'hi', '1a': 'world' });
-  });
-
   it('can add an element to an array', () => {
     const object = [];
     const result = u({ 0: 3 }, object);