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 | 1x 1x 1x 1x 1x 1x 8x 1x 8x 14x 14x 8x 7x 7x 1x 8x 8x 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 { calculateRgba, heightWidthDefaults, heightWidthKeys } from "./helpers"; import { LoaderHeightWidthProps, StyleFunction, PrecompiledCss, StyleFunctionWithIndex } from "./interfaces"; const long: Keyframes = keyframes` 0% {left: -35%;right: 100%} 60% {left: 100%;right: -90%} 100% {left: 100%;right: -90%} `; const short: Keyframes = keyframes` 0% {left: -200%;right: 100%} 60% {left: 107%;right: -8%} 100% {left: 107%;right: -8%} `; export class Loader extends React.PureComponent<LoaderHeightWidthProps> { public static defaultProps: LoaderHeightWidthProps = heightWidthDefaults(4, 100); public style: StyleFunctionWithIndex = (i: number): PrecompiledCss => { const { height, color, heightUnit } = this.props; return css` position: absolute; height: ${`${height}${heightUnit}`}; overflow: hidden; background-color: ${color}; background-clip: padding-box; display: block; border-radius: 2px; will-change: left, right; animation-fill-mode: forwards; animation: ${i === 1 ? long : short} 2.1s ${i === 2 ? "1.15s" : ""} ${i === 1 ? "cubic-bezier(0.65, 0.815, 0.735, 0.395)" : "cubic-bezier(0.165, 0.84, 0.44, 1)"} infinite; `; }; public wrapper: StyleFunction = (): PrecompiledCss => { const { width, height, color, heightUnit, widthUnit } = this.props; return css` position: relative; width: ${`${width}${widthUnit}`}; height: ${`${height}${heightUnit}`}; overflow: hidden; background-color: ${calculateRgba(color!, 0.2)}; background-clip: padding-box; `; }; public render(): JSX.Element | null { const { loading, css } = this.props; return loading ? ( <div css={[this.wrapper(), css]}> <div css={this.style(1)} /> <div css={this.style(2)} /> </div> ) : null; } } const Component: React.ComponentClass<LoaderHeightWidthProps> = onlyUpdateForKeys(heightWidthKeys)( Loader ); Component.defaultProps = Loader.defaultProps; export default Component; |