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| 1 | +import React, { useEffect, useState } from "react"; |
| 2 | +import { graphql, type PageProps } from "gatsby"; |
| 3 | +import { GatsbyImage } from "gatsby-plugin-image"; |
| 4 | + |
| 5 | +import { Body, Header, Helmet, Layout } from "ui/partials"; |
| 6 | +import { Copy, Tile } from "ui/components"; |
| 7 | + |
| 8 | +const BlogPostReadTimer = () => { |
| 9 | + const [readingTime, setReadingTime] = useState<number>(Math.random() * 300); |
| 10 | + |
| 11 | + function tick() { |
| 12 | + setReadingTime((previous) => previous + Math.random() * 15 - 4); |
| 13 | + } |
| 14 | + |
| 15 | + useEffect(() => { |
| 16 | + let timer: number; |
| 17 | + if (typeof window !== "undefined") { |
| 18 | + timer = window.setInterval(tick, 3000); |
| 19 | + } |
| 20 | + |
| 21 | + return () => { |
| 22 | + if (typeof window !== "undefined") { |
| 23 | + window.clearInterval(timer); |
| 24 | + } |
| 25 | + }; |
| 26 | + }, []); |
| 27 | + |
| 28 | + return <span>{readingTime.toFixed(2)}</span>; |
| 29 | +}; |
| 30 | + |
| 31 | +const BlogPostTpl = ({ |
| 32 | + data, |
| 33 | + ...props |
| 34 | +}: PageProps<Queries.BlogPostsByUIDQuery>) => { |
| 35 | + const blogPost = data.markdownRemark; |
| 36 | + const { frontmatter, html } = blogPost ?? {}; |
| 37 | + const { cover, date, title } = frontmatter ?? {}; |
| 38 | + |
| 39 | + return ( |
| 40 | + <> |
| 41 | + <Helmet {...props} title={title ?? ""} /> |
| 42 | + <Layout {...props}> |
| 43 | + <Header> |
| 44 | + <span className="small"> |
| 45 | + Reading Time: <BlogPostReadTimer /> seconds |
| 46 | + </span> |
| 47 | + <h1 className="hero">{title}</h1> |
| 48 | + <span className="small">{date}</span> |
| 49 | + </Header> |
| 50 | + <Body |
| 51 | + style={{ |
| 52 | + marginLeft: "auto", |
| 53 | + marginRight: "auto", |
| 54 | + maxWidth: "900px", |
| 55 | + }} |
| 56 | + > |
| 57 | + {cover?.childImageSharp?.gatsbyImageData ? ( |
| 58 | + <GatsbyImage |
| 59 | + image={cover.childImageSharp.gatsbyImageData} |
| 60 | + alt={title ?? ""} |
| 61 | + /> |
| 62 | + ) : null} |
| 63 | + <Tile space="h"> |
| 64 | + <Copy dangerouslySetInnerHTML={{ __html: html ?? "" }} /> |
| 65 | + </Tile> |
| 66 | + </Body> |
| 67 | + </Layout> |
| 68 | + </> |
| 69 | + ); |
| 70 | +}; |
| 71 | + |
| 72 | +export default BlogPostTpl; |
| 73 | + |
| 74 | +export const pageQuery = graphql` |
| 75 | + query BlogPostsByUID($uid: String!) { |
| 76 | + markdownRemark(frontmatter: { uid: { eq: $uid } }) { |
| 77 | + html |
| 78 | + frontmatter { |
| 79 | + uid |
| 80 | + date(formatString: "MMMM DD, YYYY") |
| 81 | + title |
| 82 | + cover { |
| 83 | + childImageSharp { |
| 84 | + gatsbyImageData( |
| 85 | + width: 900 |
| 86 | + quality: 90 |
| 87 | + placeholder: DOMINANT_COLOR |
| 88 | + layout: CONSTRAINED |
| 89 | + ) |
| 90 | + } |
| 91 | + } |
| 92 | + } |
| 93 | + } |
| 94 | + } |
| 95 | +`; |
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