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 | 1x 1x 1x 1x 1x 1x 5x 1x 5x 8x 8x 5x 4x 4x 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 { sizeDefaults, sizeKeys } from "./helpers"; import { StyleFunction, PrecompiledCss, LoaderSizeProps, StyleFunctionWithIndex } from "./interfaces"; const rotate: Keyframes = keyframes` 100% {transform: rotate(360deg)} `; const bounce: Keyframes = keyframes` 0%, 100% {transform: scale(0)} 50% {transform: scale(1.0)} `; class Loader extends React.PureComponent<LoaderSizeProps> { public static defaultProps: LoaderSizeProps = sizeDefaults(60); public style: StyleFunctionWithIndex = (i: number): PrecompiledCss => { const { size, sizeUnit, color } = this.props; return css` position: absolute; top: ${i % 2 ? "0" : "auto"}; bottom: ${i % 2 ? "auto" : "0"}; height: ${`${size! / 2}${sizeUnit}`}; width: ${`${size! / 2}${sizeUnit}`}; background-color: ${color}; border-radius: 100%; animation-fill-mode: forwards; animation: ${bounce} 2s ${i === 2 ? "-1s" : "0s"} infinite linear; `; }; public wrapper: StyleFunction = (): PrecompiledCss => { const { size, sizeUnit } = this.props; return css` position: relative; width: ${`${size}${sizeUnit}`}; height: ${`${size}${sizeUnit}`}; animation-fill-mode: forwards; animation: ${rotate} 2s 0s infinite linear; `; }; 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<LoaderSizeProps> = onlyUpdateForKeys(sizeKeys)(Loader); Component.defaultProps = Loader.defaultProps; export default Component; |