Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | 1x 1x 1x 1x 1x 5x 1x 5x 5x 5x 32x 32x 5x 4x 5x 5x 5x 5x 5x 5x 5x 5x 1x 5x 5x 1x 1x 1x 1x | /** @jsx jsx */ import * as React from "react"; import { keyframes, css, jsx } from "@emotion/core"; import { Keyframes } from "@emotion/serialize"; import onlyUpdateForKeys from "recompose/onlyUpdateForKeys"; import { heightWidthRadiusKeys, heightWidthRadiusDefaults } from "./helpers"; import { StyleFunction, PrecompiledCss, LoaderHeightWidthRadiusProps, StyleFunctionWithIndex } from "./interfaces"; const fade: Keyframes = keyframes` 50% {opacity: 0.3} 100% {opacity: 1} `; class Loader extends React.PureComponent<LoaderHeightWidthRadiusProps> { public static defaultProps: LoaderHeightWidthRadiusProps = heightWidthRadiusDefaults(15, 5, 2); public radius: number = 20; public quarter: number = this.radius / 2 + this.radius / 5.5; public style: StyleFunctionWithIndex = (i: number): PrecompiledCss => { const { height, width, margin, color, radius, widthUnit, heightUnit, radiusUnit } = this.props; return css` position: absolute; width: ${`${width}${widthUnit}`}; height: ${`${height}${heightUnit}`}; margin: ${margin}; background-color: ${color}; border-radius: ${`${radius}${radiusUnit}`}; transition: 2s; animation-fill-mode: "both"; animation: ${fade} 1.2s ${i * 0.12}s infinite ease-in-out; `; }; public wrapper: StyleFunction = (): PrecompiledCss => { return css` position: relative; font-size: 0; top: ${this.radius}px; left: ${this.radius}px; width: ${this.radius * 3}px; height: ${this.radius * 3}px; `; }; public a: StyleFunction = (): PrecompiledCss => css` ${this.style(1)}; top: ${this.radius}px; left: 0; `; public b: StyleFunction = (): PrecompiledCss => css` ${this.style(2)}; top: ${this.quarter}px; left: ${this.quarter}px; transform: rotate(-45deg); `; public c: StyleFunction = (): PrecompiledCss => css` ${this.style(3)}; top: 0; left: ${this.radius}px; transform: rotate(90deg); `; public d: StyleFunction = (): PrecompiledCss => css` ${this.style(4)}; top: ${-this.quarter}px; left: ${this.quarter}px; transform: rotate(45deg); `; public e: StyleFunction = (): PrecompiledCss => css` ${this.style(5)}; top: ${-this.radius}px; left: 0; `; public f: StyleFunction = (): PrecompiledCss => css` ${this.style(6)}; top: ${-this.quarter}px; left: ${-this.quarter}px; transform: rotate(-45deg); `; public g: StyleFunction = (): PrecompiledCss => css` ${this.style(7)}; top: 0; left: ${-this.radius}px; transform: rotate(90deg); `; public h: StyleFunction = (): PrecompiledCss => css` ${this.style(8)}; top: ${this.quarter}px; left: ${-this.quarter}px; transform: rotate(45deg); `; public render(): JSX.Element | null { const { loading, css } = this.props; return loading ? ( <div css={[this.wrapper(), css]}> <div css={this.a()} /> <div css={this.b()} /> <div css={this.c()} /> <div css={this.d()} /> <div css={this.e()} /> <div css={this.f()} /> <div css={this.g()} /> <div css={this.h()} /> </div> ) : null; } } const Component: React.ComponentClass<LoaderHeightWidthRadiusProps> = onlyUpdateForKeys( heightWidthRadiusKeys )(Loader); Component.defaultProps = Loader.defaultProps; export default Component; |