From 0aef2c8ade2b0ae7b7ab7fef25ee4e8644a8b6c4 Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Fri, 12 Oct 2018 15:35:20 -0700
Subject: feat(instant): add sliding error

---
 .../animations/slide_up_and_down_animation.tsx     | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 packages/instant/src/components/animations/slide_up_and_down_animation.tsx

(limited to 'packages/instant/src/components/animations')

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
new file mode 100644
index 000000000..958684021
--- /dev/null
+++ b/packages/instant/src/components/animations/slide_up_and_down_animation.tsx
@@ -0,0 +1,100 @@
+import * as React from 'react';
+
+import { keyframes, styled } from '../../style/theme';
+
+const slideKeyframeGenerator = (fromY: string, toY: string) => keyframes`
+    from {
+        position: relative;
+        top: ${fromY}
+    }
+
+    to {
+        position: relative;
+        top: ${toY}
+    }
+`;
+
+export interface SlideAnimationProps {
+    keyframes: string;
+    animationType: string;
+    animationDirection?: string;
+}
+export const SlideAnimation =
+    styled.div <
+    SlideAnimationProps >
+    `
+    animation-name: ${props => props.keyframes};
+    animation-duration: 0.3s;
+    animation-timing-function: ${props => props.animationType};
+    animation-delay: 0s;
+    animation-iteration-count: 1;
+    animation-fill-mode: ${props => props.animationDirection || 'none'};
+    position: relative;
+    z-index: -1;
+`;
+
+export const SlideUpAnimationComponent: React.StatelessComponent<{ downY: string }> = props => (
+    <SlideAnimation animationType="ease-in" keyframes={slideKeyframeGenerator(props.downY, '0px')}>
+        {props.children}
+    </SlideAnimation>
+);
+
+export const SlideDownAnimationComponent: React.StatelessComponent<{ downY: string }> = props => (
+    <SlideAnimation
+        animationDirection="forwards"
+        animationType="cubic-bezier(0.25, 0.1, 0.25, 1)"
+        keyframes={slideKeyframeGenerator('0px', props.downY)}
+    >
+        {props.children}
+    </SlideAnimation>
+);
+
+export interface SlideUpAndDownAnimationProps {
+    delayMs: number;
+    downY: string;
+}
+
+interface SlideUpAndDownState {
+    slideState: 'up' | 'down';
+}
+
+export class SlideUpAndDownAnimationComponent extends React.Component<
+    SlideUpAndDownAnimationProps,
+    SlideUpAndDownState
+> {
+    private _timeoutNumber: number | undefined;
+
+    constructor(props: SlideUpAndDownAnimationProps) {
+        super(props);
+        this._timeoutNumber = undefined;
+        this.state = {
+            slideState: 'up',
+        };
+    }
+
+    public render(): JSX.Element {
+        return this._renderSlide();
+    }
+
+    public componentDidMount(): void {
+        this._timeoutNumber = window.setTimeout(() => {
+            this.setState({
+                slideState: 'down',
+            });
+        }, this.props.delayMs);
+
+        return;
+    }
+
+    public componentWillUnmount(): void {
+        if (this._timeoutNumber) {
+            window.clearTimeout(this._timeoutNumber);
+        }
+    }
+
+    private readonly _renderSlide = (): JSX.Element => {
+        const SlideComponent = this.state.slideState === 'up' ? SlideUpAnimationComponent : SlideDownAnimationComponent;
+
+        return <SlideComponent downY={this.props.downY}>{this.props.children}</SlideComponent>;
+    };
+}
-- 
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