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 | 1x 1x 1x 1x 1x 36x 5x 1x 5x 36x 36x 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 { sizeMarginDefaults, sizeMarginKeys } from "./helpers"; import { StyleFunction, PrecompiledCss, LoaderSizeMarginProps, StyleFunctionWithIndex } from "./interfaces"; const grid: Keyframes = keyframes` 0% {transform: scale(1)} 50% {transform: scale(0.5); opacity: 0.7} 100% {transform: scale(1);opacity: 1} `; type RandomFunction = (top: number) => number; const random: RandomFunction = (top: number): number => Math.random() * top; class Loader extends React.PureComponent<LoaderSizeMarginProps> { public static defaultProps: LoaderSizeMarginProps = sizeMarginDefaults(15); public style: StyleFunctionWithIndex = (rand: number): PrecompiledCss => { const { color, size, sizeUnit, margin } = this.props; return css` display: inline-block; background-color: ${color}; width: ${`${size}${sizeUnit}`}; height: ${`${size}${sizeUnit}`}; margin: ${margin}; border-radius: 100%; animation-fill-mode: "both"; animation: ${grid} ${rand / 100 + 0.6}s ${rand / 100 - 0.2}s infinite ease; `; }; public wrapper: StyleFunction = (): PrecompiledCss => { const { size, sizeUnit, margin } = this.props; return css` width: ${`${parseFloat(size!.toString()) * 3 + parseFloat(margin!) * 6}${sizeUnit}`}; font-size: 0; `; }; public render(): JSX.Element | null { const { loading, css } = this.props; return loading ? ( <div css={[this.wrapper(), css]}> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> <div css={this.style(random(100))} /> </div> ) : null; } } const Component: React.ComponentClass<LoaderSizeMarginProps> = onlyUpdateForKeys(sizeMarginKeys)( Loader ); Component.defaultProps = Loader.defaultProps; export default Component; |