Replacing lodash/omit with simpler implementation. Fixes #535

Author: davidkpiano

src/actions/field-actions.js

@@ -11,7 +11,7 @@ import { trackable } from '../utils/track';
 import getForm from '../utils/get-form';
 import getFieldFromState from '../utils/get-field-from-state';
 import NULL_ACTION from '../constants/null-action';
-import omit from 'lodash/omit';
+import omit from '../utils/omit';
 import isNative from '../utils/is-native';
 
 const defaultStrategies = {

src/components/control-component.js

@@ -8,7 +8,7 @@ import merge from '../utils/merge';
 import mapValues from '../utils/map-values';
 import isPlainObject from 'lodash/isPlainObject';
 import i from 'icepick';
-import omit from 'lodash/omit';
+import omit from '../utils/omit';
 import actionTypes from '../action-types';
 
 import getValue from '../utils/get-value';

src/components/errors-component.js

@@ -4,7 +4,7 @@ import _get from '../utils/get';
 import map from '../utils/map';
 import iteratee from '../utils/iteratee';
 import isPlainObject from 'lodash/isPlainObject';
-import omit from 'lodash/omit';
+import omit from '../utils/omit';
 import invariant from 'invariant';
 
 import getForm from '../utils/get-form';

src/components/field-component.js

@@ -2,7 +2,7 @@ import React, { Component, PropTypes } from 'react';
 
 import _get from '../utils/get';
 import identity from 'lodash/identity';
-import omit from 'lodash/omit';
+import omit from '../utils/omit';
 import isPlainObject from 'lodash/isPlainObject';
 import pick from 'lodash/pick';
 import { connect } from 'react-redux';

src/components/fieldset-component.js

@@ -1,7 +1,7 @@
 import React, { Component, PropTypes } from 'react';
 import { connect } from 'react-redux';
 import getModel from '../utils/get-model';
-import omit from 'lodash/omit';
+import omit from '../utils/omit';
 
 const propTypes = {
   model: PropTypes.string.isRequired,

src/components/form-component.js

@@ -4,7 +4,7 @@ import shallowEqual from '../utils/shallow-equal';
 import _get from '../utils/get';
 import mapValues from '../utils/map-values';
 import merge from '../utils/merge';
-import omit from 'lodash/omit';
+import omit from '../utils/omit';
 
 import actions from '../actions';
 import getValidity from '../utils/get-validity';

src/components/local-form-component.js

@@ -2,7 +2,7 @@ import React, { PropTypes } from 'react';
 import Form from './form-component';
 import combineForms from '../reducers/forms-reducer';
 import { createStore } from 'redux';
-import omit from 'lodash/omit';
+import omit from '../utils/omit';
 
 class LocalForm extends React.Component {
   constructor(props) {

src/utils/omit.js

@@ -0,0 +1,16 @@
+export default function omit(object, props) {
+  if (object == null) {
+    return {};
+  }
+  const newObject = { ...object };
+
+  if (typeof props === 'string') {
+    delete newObject[props];
+  } else {
+    props.forEach((prop) => {
+      delete newObject[prop];
+    });
+  }
+
+  return newObject;
+}