From 9f6ee2d95c21b58a3e8b3d57120b8994efefa46f Mon Sep 17 00:00:00 2001
From: developomp <developomp@gmail.com>
Date: Wed, 29 Sep 2021 22:23:27 +0900
Subject: [PATCH] renamed Spinner.tsx to Loading.tsx, changed loading screen
 design, chagned emphasis on IE not supported message, and added loading page

---
 source/src/App.tsx                | 120 ++++++++++++-------------
 source/src/components/Loading.tsx | 144 ++++++++++++++++++++++++++++++
 source/src/components/Spinner.tsx | 116 ------------------------
 source/src/pages/Page.tsx         |   4 +-
 4 files changed, 205 insertions(+), 179 deletions(-)
 create mode 100644 source/src/components/Loading.tsx
 delete mode 100644 source/src/components/Spinner.tsx

diff --git a/source/src/App.tsx b/source/src/App.tsx
index 9bb662e..534ceee 100644
--- a/source/src/App.tsx
+++ b/source/src/App.tsx
@@ -14,7 +14,7 @@ import "katex/dist/katex.min.css" // latex mathematical expression
 
 import theming from "./theming"
 
-import Spinner from "./components/Spinner"
+import Loading from "./components/Loading"
 import Navbar from "./components/Navbar"
 import Footer from "./components/Footer"
 
@@ -245,10 +245,9 @@ const IENotSupported = styled.p`
 `
 
 const StyledContentContainer = styled.div`
-	display: inline-block;
 	flex: 1 1 auto;
 	margin-bottom: 3rem;
-	margin-top: 3rem;
+	margin-top: 5rem;
 `
 
 interface AppProps {}
@@ -299,71 +298,70 @@ export default class App extends React.Component<AppProps, AppState> {
 	render() {
 		if (isIE)
 			return (
-				<>
-					<IENotSupported>
-						<b>Internet Explorer</b> is not supported.
-					</IENotSupported>
-				</>
+				<IENotSupported>
+					Internet Explorer is <b>not supported.</b>
+				</IENotSupported>
 			)
-		else
-			return (
-				<HelmetProvider>
-					<ThemeProvider
-						theme={{
-							currentTheme: this.state.currentTheme,
-							setTheme: (setThemeTo) =>
-								this.setState({ currentTheme: setThemeTo }), // make setTheme function available in other components
-						}}
-					>
-						<Helmet>
-							<meta
-								property="og:site_name"
-								content="developomp"
-							/>
 
-							<meta property="og:title" content="Home" />
+		return (
+			<HelmetProvider>
+				<ThemeProvider
+					theme={{
+						currentTheme: this.state.currentTheme,
+						setTheme: (setThemeTo) =>
+							this.setState({ currentTheme: setThemeTo }), // make setTheme function available in other components
+					}}
+				>
+					<Helmet>
+						<meta property="og:site_name" content="developomp" />
 
-							<meta
-								property="og:description"
-								content="developomp's blog"
-							/>
+						<meta property="og:title" content="Home" />
 
-							<meta
-								property="og:url"
-								content={process.env.PUBLIC_URL}
-							/>
-						</Helmet>
+						<meta
+							property="og:description"
+							content="developomp's blog"
+						/>
 
-						<GlobalStyle />
-						<Navbar />
-						<StyledContentContainer>
-							{this.state.isLoading ? (
-								<Spinner size={200} />
-							) : (
-								<Switch>
-									<Route exact path="/">
-										<PostList howMany={4} title="Home" />
-									</Route>
+						<meta
+							property="og:url"
+							content={process.env.PUBLIC_URL}
+						/>
+					</Helmet>
 
-									<Route exact path="/search">
-										<Search />
-									</Route>
+					<GlobalStyle />
+					<Navbar />
+					<StyledContentContainer>
+						{this.state.isLoading ? (
+							<Loading />
+						) : (
+							<Switch>
+								<Route exact path="/">
+									<PostList howMany={4} title="Home" />
+								</Route>
 
-									<Route exact path="/404">
-										<NotFound />
-									</Route>
+								<Route exact path="/loading">
+									<Loading />
+								</Route>
 
-									<Route exact path="/:path*">
-										{({ match }) => (
-											<Page key={match?.params.path} />
-										)}
-									</Route>
-								</Switch>
-							)}
-						</StyledContentContainer>
-						<Footer />
-					</ThemeProvider>
-				</HelmetProvider>
-			)
+								<Route exact path="/search">
+									<Search />
+								</Route>
+
+								<Route exact path="/404">
+									<NotFound />
+								</Route>
+
+								<Route exact path="/:path*">
+									{({ match }) => (
+										<Page key={match?.params.path} />
+									)}
+								</Route>
+							</Switch>
+						)}
+					</StyledContentContainer>
+					<Footer />
+				</ThemeProvider>
+			</HelmetProvider>
+		)
 	}
 }
diff --git a/source/src/components/Loading.tsx b/source/src/components/Loading.tsx
new file mode 100644
index 0000000..62195d4
--- /dev/null
+++ b/source/src/components/Loading.tsx
@@ -0,0 +1,144 @@
+/**
+ *  inspired by https://codepen.io/avstorm/pen/RwNzPNN
+ */
+
+import React from "react"
+import styled, { keyframes } from "styled-components"
+import theming from "../theming"
+
+const swing = keyframes`
+50% {
+	transform: rotate(-3deg);
+}
+`
+
+const steamLarge = keyframes`
+0% {
+    stroke-dashoffset: 13;
+    opacity: .6;
+}
+100% {
+    stroke-dashoffset: 39;
+    opacity: 0;
+}
+`
+
+const steamSmall = keyframes`
+10% {
+	stroke-dashoffset: 9;
+    opacity: .6;
+}
+80% {
+	stroke-dashoffset: 27;
+    opacity: 0;
+}
+100% {
+	stroke-dashoffset: 27;
+    opacity: 0;
+}
+`
+
+const StyledContainer = styled.div`
+	text-align: center;
+	animation: fadein 2s;
+
+	@keyframes fadein {
+		from {
+			opacity: 0;
+		}
+		50% {
+			opacity: 0;
+		}
+		to {
+			opacity: 1;
+		}
+	}
+`
+
+const StyledBox = styled.div`
+	display: flex;
+	justify-content: center;
+	align-items: center;
+`
+
+const StyledSVG = styled.svg`
+	--secondary: ${(props) =>
+		theming.theme(props.theme.currentTheme, {
+			light: theming.light.color1,
+			dark: theming.dark.color1,
+		})};
+
+	transform: scale(1.5);
+
+	#teabag {
+		transform-origin: top center;
+		transform: rotate(3deg);
+		animation: ${swing} 2s infinite;
+	}
+
+	#steamL {
+		stroke-dasharray: 13;
+		stroke-dashoffset: 13;
+		animation: ${steamLarge} 2s infinite;
+	}
+
+	#steamR {
+		stroke-dasharray: 9;
+		stroke-dashoffset: 9;
+		animation: ${steamSmall} 2s infinite;
+	}
+`
+
+const Spinner: React.FC = () => {
+	return (
+		<StyledContainer className="card main-content">
+			<StyledBox>
+				<StyledSVG
+					width="37"
+					height="48"
+					viewBox="0 0 37 48"
+					fill="none"
+					xmlns="http://www.w3.org/2000/svg"
+				>
+					<path
+						d="M27.0819 17H3.02508C1.91076 17 1.01376 17.9059 1.0485 19.0197C1.15761 22.5177 1.49703 29.7374 2.5 34C4.07125 40.6778 7.18553 44.8868 8.44856 46.3845C8.79051 46.79 9.29799 47 9.82843 47H20.0218C20.639 47 21.2193 46.7159 21.5659 46.2052C22.6765 44.5687 25.2312 40.4282 27.5 34C28.9757 29.8188 29.084 22.4043 29.0441 18.9156C29.0319 17.8436 28.1539 17 27.0819 17Z"
+						stroke="var(--secondary)"
+						strokeWidth="2"
+					/>
+					<path
+						d="M29 23.5C29 23.5 34.5 20.5 35.5 25.4999C36.0986 28.4926 34.2033 31.5383 32 32.8713C29.4555 34.4108 28 34 28 34"
+						stroke="var(--secondary)"
+						strokeWidth="2"
+					/>
+					<path
+						id="teabag"
+						fill="var(--secondary)"
+						fillRule="evenodd"
+						clipRule="evenodd"
+						d="M16 25V17H14V25H12C10.3431 25 9 26.3431 9 28V34C9 35.6569 10.3431 37 12 37H18C19.6569 37 21 35.6569 21 34V28C21 26.3431 19.6569 25 18 25H16ZM11 28C11 27.4477 11.4477 27 12 27H18C18.5523 27 19 27.4477 19 28V34C19 34.5523 18.5523 35 18 35H12C11.4477 35 11 34.5523 11 34V28Z"
+					/>
+					<path
+						id="steamL"
+						d="M17 1C17 1 17 4.5 14 6.5C11 8.5 11 12 11 12"
+						strokeWidth="2"
+						strokeLinecap="round"
+						strokeLinejoin="round"
+						stroke="var(--secondary)"
+					/>
+					<path
+						id="steamR"
+						d="M21 6C21 6 21 8.22727 19 9.5C17 10.7727 17 13 17 13"
+						stroke="var(--secondary)"
+						strokeWidth="2"
+						strokeLinecap="round"
+						strokeLinejoin="round"
+					/>
+				</StyledSVG>
+			</StyledBox>
+			<br />
+			<h2>Loading...</h2>
+		</StyledContainer>
+	)
+}
+
+export default Spinner
diff --git a/source/src/components/Spinner.tsx b/source/src/components/Spinner.tsx
deleted file mode 100644
index f9329b1..0000000
--- a/source/src/components/Spinner.tsx
+++ /dev/null
@@ -1,116 +0,0 @@
-/**
- *  inspired by https://github.com/dmitrymorozoff/react-spinners-kit/tree/master/src/components/whisper
- */
-
-import React from "react"
-import styled, { keyframes } from "styled-components"
-
-const motion = keyframes`
-		from {
-			transform: scale(1, 1);
-			opacity: 1;
-		}
-		to {
-			transform: scale(0, 0);
-			opacity: 0;
-		}
-	`
-
-const spin = keyframes`
-		from {
-			transform: rotate(0deg);
-		}
-		to {
-			transform: rotate(360deg);
-		}
-	`
-
-const Ball = styled.div<BallInterface>`
-	float: left;
-	clear: right;
-	margin: ${(props) => props.size / 15}px;
-	width: ${(props) => props.size / 5}px;
-	height: ${(props) => props.size / 5}px;
-	border-radius: 2px;
-	background-color: lightgrey;
-	animation-name: ${motion};
-	animation-direction: alternate;
-	animation-duration: 800ms;
-	animation-timing-function: linear;
-	animation-iteration-count: infinite;
-
-	/* use a for loop here? */
-	&:nth-child(1) {
-		animation-delay: 200ms;
-	}
-	&:nth-child(2) {
-		animation-delay: 400ms;
-	}
-	&:nth-child(3) {
-		animation-delay: 600ms;
-	}
-	&:nth-child(4) {
-		animation-delay: 400ms;
-	}
-	&:nth-child(5) {
-		animation-delay: 600ms;
-	}
-	&:nth-child(6) {
-		animation-delay: 800ms;
-	}
-	&:nth-child(7) {
-		animation-delay: 600ms;
-	}
-	&:nth-child(8) {
-		animation-delay: 800ms;
-	}
-	&:nth-child(9) {
-		animation-delay: 1000ms;
-	}
-`
-
-const Wrapper = styled.div`
-	margin: 5rem auto 0 auto;
-	width: 200px;
-	height: 200px;
-	animation-timing-function: linear;
-	animation: ${spin} 10s infinite;
-`
-
-interface BallInterface {
-	size: number
-	key: string
-	index: number
-}
-
-interface SpinnerProps {
-	size: number
-}
-
-export default class Spinner extends React.Component<SpinnerProps> {
-	balls: unknown[] = []
-
-	constructor(props: SpinnerProps) {
-		super(props)
-
-		let keyValue = 0
-		const countBallsInLine = 3
-
-		for (let i = 0; i < countBallsInLine; i++) {
-			for (let j = 0; j < countBallsInLine; j++) {
-				this.balls.push(
-					<Ball
-						size={this.props.size}
-						key={keyValue.toString()}
-						index={keyValue}
-					/>
-				)
-				keyValue++
-			}
-		}
-	}
-
-	render() {
-		return <Wrapper>{this.balls}</Wrapper>
-	}
-}
diff --git a/source/src/pages/Page.tsx b/source/src/pages/Page.tsx
index b6f34fa..ae0e929 100644
--- a/source/src/pages/Page.tsx
+++ b/source/src/pages/Page.tsx
@@ -11,7 +11,7 @@ import theming from "../theming"
 import Tag from "../components/Tag"
 import TagList from "../components/TagList"
 import NotFound from "./NotFound"
-import Spinner from "../components/Spinner"
+import Loading from "../components/Loading"
 
 import _map from "../data/map.json"
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome"
@@ -260,7 +260,7 @@ export default class Page extends React.Component<PageProps, PageState> {
 	}
 
 	render() {
-		if (this.state.loading) return <Spinner size={200} />
+		if (this.state.loading) return <Loading />
 		if (!this.state.fetchedPage) return <NotFound />
 
 		return (