From af495143974941fb6cc4210b1965c17f007465e6 Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Mon, 15 Oct 2018 13:12:52 -0700
Subject: suggestions from code review: renaming timeoutNumber to timeoutId,
 sharing interface, renaming component

---
 .../animations/slide_up_and_down_animation.tsx     | 36 ++++++++++------------
 packages/instant/src/components/sliding_error.tsx  |  6 ++--
 2 files changed, 19 insertions(+), 23 deletions(-)

diff --git a/packages/instant/src/components/animations/slide_up_and_down_animation.tsx b/packages/instant/src/components/animations/slide_up_and_down_animation.tsx
index ce1539c70..2e8061a19 100644
--- a/packages/instant/src/components/animations/slide_up_and_down_animation.tsx
+++ b/packages/instant/src/components/animations/slide_up_and_down_animation.tsx
@@ -19,6 +19,7 @@ export interface SlideAnimationProps {
     animationType: string;
     animationDirection?: string;
 }
+
 export const SlideAnimation =
     styled.div <
     SlideAnimationProps >
@@ -33,13 +34,17 @@ export const SlideAnimation =
     z-index: -1;
 `;
 
-export const SlideUpAnimationComponent: React.StatelessComponent<{ downY: string }> = props => (
+export interface SlideAnimationComponentProps {
+    downY: string;
+}
+
+export const SlideUpAnimationComponent: React.StatelessComponent<SlideAnimationComponentProps> = props => (
     <SlideAnimation animationType="ease-in" keyframes={slideKeyframeGenerator(props.downY, '0px')}>
         {props.children}
     </SlideAnimation>
 );
 
-export const SlideDownAnimationComponent: React.StatelessComponent<{ downY: string }> = props => (
+export const SlideDownAnimationComponent: React.StatelessComponent<SlideAnimationComponentProps> = props => (
     <SlideAnimation
         animationDirection="forwards"
         animationType="cubic-bezier(0.25, 0.1, 0.25, 1)"
@@ -49,35 +54,28 @@ export const SlideDownAnimationComponent: React.StatelessComponent<{ downY: stri
     </SlideAnimation>
 );
 
-export interface SlideUpAndDownAnimationProps {
+export interface SlideUpAndDownAnimationProps extends SlideAnimationComponentProps {
     delayMs: number;
-    downY: string;
 }
 
 interface SlideUpAndDownState {
     slideState: 'up' | 'down';
 }
 
-export class SlideUpAndDownAnimationComponent extends React.Component<
-    SlideUpAndDownAnimationProps,
-    SlideUpAndDownState
-> {
-    private _timeoutNumber: number | undefined;
-
+export class SlideUpAndDownAnimation extends React.Component<SlideUpAndDownAnimationProps, SlideUpAndDownState> {
+    private _timeoutId: number | undefined;
     constructor(props: SlideUpAndDownAnimationProps) {
         super(props);
-        this._timeoutNumber = undefined;
+        this._timeoutId = undefined;
         this.state = {
             slideState: 'up',
         };
     }
-
-    public render(): JSX.Element {
+    public render(): React.ReactNode {
         return this._renderSlide();
     }
-
     public componentDidMount(): void {
-        this._timeoutNumber = window.setTimeout(() => {
+        this._timeoutId = window.setTimeout(() => {
             this.setState({
                 slideState: 'down',
             });
@@ -85,14 +83,12 @@ export class SlideUpAndDownAnimationComponent extends React.Component<
 
         return;
     }
-
     public componentWillUnmount(): void {
-        if (this._timeoutNumber) {
-            window.clearTimeout(this._timeoutNumber);
+        if (this._timeoutId) {
+            window.clearTimeout(this._timeoutId);
         }
     }
-
-    private readonly _renderSlide = (): JSX.Element => {
+    private readonly _renderSlide = (): React.ReactNode => {
         const SlideComponent = this.state.slideState === 'up' ? SlideUpAnimationComponent : SlideDownAnimationComponent;
 
         return <SlideComponent downY={this.props.downY}>{this.props.children}</SlideComponent>;
diff --git a/packages/instant/src/components/sliding_error.tsx b/packages/instant/src/components/sliding_error.tsx
index 2e6decbad..0237fb7e9 100644
--- a/packages/instant/src/components/sliding_error.tsx
+++ b/packages/instant/src/components/sliding_error.tsx
@@ -2,7 +2,7 @@ import * as React from 'react';
 
 import { ColorOption } from '../style/theme';
 
-import { SlideUpAndDownAnimationComponent } from './animations/slide_up_and_down_animation';
+import { SlideUpAndDownAnimation } from './animations/slide_up_and_down_animation';
 
 import { Container, Text } from './ui';
 
@@ -30,7 +30,7 @@ export const Error: React.StatelessComponent<ErrorProps> = props => (
 );
 
 export const SlidingError: React.StatelessComponent<ErrorProps> = props => (
-    <SlideUpAndDownAnimationComponent downY="120px" delayMs={5000}>
+    <SlideUpAndDownAnimation downY="120px" delayMs={5000}>
         <Error icon={props.icon} message={props.message} />
-    </SlideUpAndDownAnimationComponent>
+    </SlideUpAndDownAnimation>
 );
-- 
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