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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | 1x 1x 1x 1x 1x 5x 1x 5x 16x 16x 5x 16x 16x 5x 8x 8x 5x 8x 8x 5x 8x 8x 8x 8x 5x 4x 4x 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 { sizeMarginDefaults, sizeMarginKeys } from "./helpers"; import { StyleFunction, PrecompiledCss, LoaderSizeMarginProps, CalcFunction, StyleFunctionWithIndex } from "./interfaces"; const pacman: Keyframes[] = [ keyframes` 0% {transform: rotate(0deg)} 50% {transform: rotate(-44deg)} `, keyframes` 0% {transform: rotate(0deg)} 50% {transform: rotate(44deg)} ` ]; class Loader extends React.PureComponent<LoaderSizeMarginProps> { public static defaultProps: LoaderSizeMarginProps = sizeMarginDefaults(25); public ball: CalcFunction<Keyframes> = (): Keyframes => { const { size, sizeUnit } = this.props; return keyframes` 75% {opacity: 0.7} 100% {transform: translate(${`${-4 * size!}${sizeUnit}`}, ${`${-size! / 4}${sizeUnit}`})} `; }; public ballStyle: StyleFunctionWithIndex = (i: number): PrecompiledCss => { const { color, margin, size, sizeUnit } = this.props; return css` width: ${`${size! / 3}${sizeUnit}`}; height: ${`${size! / 3}${sizeUnit}`}; background-color: ${color}; margin: ${margin}; border-radius: 100%; transform: translate(0, ${`${-size! / 4}${sizeUnit}`}); position: absolute; top: ${size}px; left: ${`${size! * 4}${sizeUnit}`}; animation: ${this.ball()} 1s ${i * 0.25}s infinite linear; animation-fill-mode: both; `; }; public s1: CalcFunction<string> = (): string => { const { size, sizeUnit } = this.props; return `${size}${sizeUnit} solid transparent`; }; public s2: CalcFunction<string> = (): string => { const { size, sizeUnit, color } = this.props; return `${size}${sizeUnit} solid ${color}`; }; public pacmanStyle: StyleFunctionWithIndex = (i: number): PrecompiledCss => { const { size, sizeUnit } = this.props; const s1: string = this.s1(); const s2: string = this.s2(); return css` width: 0; height: 0; border-right: ${s1}; border-top: ${i === 0 ? s1 : s2}; border-left: ${s2}; border-bottom: ${i === 0 ? s2 : s1}; border-radius: ${`${size}${sizeUnit}`}; position: absolute; animation: ${pacman[i]} 0.8s infinite ease-in-out; animation-fill-mode: both; `; }; public wrapper: StyleFunction = (): PrecompiledCss => { const { size, sizeUnit } = this.props; return css` position: relative; font-size: 0; height: ${`${size}${sizeUnit}`}; width: ${`${size}${sizeUnit}`}; `; }; public pac: StyleFunction = (): PrecompiledCss => this.pacmanStyle(0); public man: StyleFunction = (): PrecompiledCss => this.pacmanStyle(1); public render(): JSX.Element | null { const { loading, css } = this.props; return loading ? ( <div css={[this.wrapper(), css]}> <div css={this.pac()} /> <div css={this.man()} /> <div css={this.ballStyle(2)} /> <div css={this.ballStyle(3)} /> <div css={this.ballStyle(4)} /> <div css={this.ballStyle(5)} /> </div> ) : null; } } const Component: React.ComponentClass<LoaderSizeMarginProps> = onlyUpdateForKeys(sizeMarginKeys)( Loader ); Component.defaultProps = Loader.defaultProps; export default Component; |