mirror of https://github.com/kremalicious/blog.git
82 lines
1.8 KiB
JavaScript
82 lines
1.8 KiB
JavaScript
const path = require('path')
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const postsTemplate = path.resolve('src/templates/Posts.tsx')
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const redirects = [
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{ f: '/feed', t: '/feed.xml' },
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{ f: '/feed/', t: '/feed.xml' }
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]
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exports.generatePostPages = (createPage, posts, numPages) => {
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const postTemplate = path.resolve('src/templates/Post.tsx')
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// Create Post pages
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posts.forEach(post => {
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createPage({
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path: `${post.node.fields.slug}`,
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component: postTemplate,
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context: {
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slug: post.node.fields.slug
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}
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})
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})
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// Create paginated Blog index pages
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Array.from({ length: numPages }).forEach((_, i) => {
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createPage({
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path: i === 0 ? '/' : `/page/${i + 1}`,
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component: postsTemplate,
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context: {
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limit: numPages,
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skip: i * numPages,
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numPages,
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currentPageNumber: i + 1,
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prevPage: i - 1,
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nextPage: i + 2
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}
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})
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})
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}
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exports.generateTagPages = (createPage, posts) => {
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const tagList = arrayReducer(posts, 'tags')
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tagList.forEach(tag => {
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if (tag === 'goodies') return
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// Create tag pages
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createPage({
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path: `/tags/${tag}/`,
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component: postsTemplate,
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context: { tag }
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})
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})
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}
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exports.generateRedirectPages = createRedirect => {
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redirects.forEach(({ f, t }) => {
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createRedirect({
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fromPath: f,
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redirectInBrowser: true,
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toPath: t
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})
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})
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}
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//
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// ----------------------
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//
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// https://www.adamjberkowitz.com/tags-and-categories-in-gatsby-js/
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const arrayReducer = (postsArray, type) => {
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return (postsArray = postsArray
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.map(({ node }) => {
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return node.frontmatter[type]
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})
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.reduce((a, b) => {
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return a.concat(b)
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}, [])
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.filter((type, index, array) => {
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return array.indexOf(type) === index
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})
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.sort())
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}
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