fix: flow and eslint errors

Author: jedwards1211

src/createNumericField.js

@@ -1,13 +1,18 @@
 // @flow
 
 import * as React from 'react'
+import type {FieldProps} from 'redux-form'
 
 type NumberNormalizer = (value: ?(string | number)) => ?(string | number)
 type Validator = (value: any, allValues: Object, props: Object) => ?any
 const WHITESPACE = /^\s*$/
 
 
-function createNumericField<P: {validate?: Validator | Array<Validator>, normalizeOnBlur?: Function}>(
+function createNumericField<P: {
+  validate?: Validator | Array<Validator>,
+  normalizeOnBlur?: Function,
+  component: React.ElementType | Function | string,
+}>(
   Field: React.ComponentType<P>
 ): React.ComponentType<P & {normalizeNumber?: NumberNormalizer}> {
   type Props = React.ElementProps<typeof Field> & {normalizeNumber?: NumberNormalizer}
@@ -46,14 +51,13 @@ function createNumericField<P: {validate?: Validator | Array<Validator>, normali
       }
     }
 
-    KeyDownHandler = ({input, onKeyDown, ...props}) => {
+    KeyDownHandler = ({input, onKeyDown, ...props}: FieldProps & {onKeyDown?: (event: Event) => any}): React.Node => {
       const Comp = this.props.component
-
       return (
         <Comp
           {...props}
           input={input}
-          onKeyDown={(event: KeyEvent) => {
+          onKeyDown={(event: Event) => {
             const normalizeNumber = this.props.normalizeNumber || defaultNormalize
             if (event.keyCode === 13) {
               input.onChange(normalizeNumber(input.value))

test/index.js

@@ -12,7 +12,7 @@ import {reduxForm as immutableReduxForm, reducer as immutableReducer} from 'redu
 import {NumericField} from '../src'
 import {NumericField as ImmutableNumericField} from '../src/immutable'
 
-const Input = ({input: inputProps, innerRef, ...props}): React.Node => <input {...inputProps} {...props} ref={innerRef} />
+const Input = ({input: inputProps, ...props}): React.Node => <input {...inputProps} {...props} />
 
 function min(threshold: number): (value: number) => ?string {
   return (value: number) => {
@@ -226,13 +226,11 @@ describe('NumericField', () => {
     it('normalizes when enter is pressed', () => {
       const store = createStore(combineReducers({form: reducer}))
 
-      let input
       const Form = reduxForm({form: 'form'})(() => (
         <form>
           <NumericField
             name="hello"
             component={Input}
-            innerRef={c => input = c}
           />
         </form>
       ))