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Gatsby changes to hide drafts
const path = require(`path`)
const { createFilePath } = require(`gatsby-source-filesystem`)
const isProduction = process.env.NODE_ENV === `production`;
exports.createPages = async ({ graphql, actions, reporter }) => {
const { createPage } = actions
// Define a template for blog post
const blogPost = path.resolve(`./src/templates/blog-post.js`)
// Get all markdown blog posts sorted by date
const result = await graphql(
`
{
allMarkdownRemark(
sort: { fields: [frontmatter___date], order: ASC }
limit: 1000
) {
nodes {
id
fields {
slug,
isDraft
}
}
}
}
`
)
if (result.errors) {
reporter.panicOnBuild(
`There was an error loading your blog posts`,
result.errors
)
return
}
const posts = result.data.allMarkdownRemark.nodes
// Create blog posts pages
// But only if there's at least one markdown file found at "content/blog" (defined in gatsby-config.js)
// `context` is available in the template as a prop and as a variable in GraphQL
if (posts.length > 0) {
posts.forEach((post, index) => {
// Do not expose drafts as pages
if(post.fields.isDraft && isProduction) {
return;
}
const previousPostId = index === 0 ? null : posts[index - 1].id
const nextPostId = index === posts.length - 1 ? null : posts[index + 1].id
createPage({
path: post.fields.slug,
component: blogPost,
context: {
id: post.id,
previousPostId,
nextPostId,
},
})
})
}
}
exports.onCreateNode = ({ node, actions, getNode }) => {
const { createNodeField } = actions
if (node.internal.type === `MarkdownRemark`) {
const slug = createFilePath({ node, getNode })
createNodeField({
name: `slug`,
node,
value: slug,
});
if(isProduction) {
const isDraft = slug.indexOf('/draft') === 0;
createNodeField({
name: `isDraft`,
node,
value: isDraft,
})
}
}
}
exports.createSchemaCustomization = ({ actions }) => {
const { createTypes } = actions
// Explicitly define the siteMetadata {} object
// This way those will always be defined even if removed from gatsby-config.js
// Also explicitly define the Markdown frontmatter
// This way the "MarkdownRemark" queries will return `null` even when no
// blog posts are stored inside "content/blog" instead of returning an error
createTypes(`
type SiteSiteMetadata {
author: Author
siteUrl: String
social: Social
}
type Author {
name: String
summary: String
}
type Social {
twitter: String
}
type MarkdownRemark implements Node {
frontmatter: Frontmatter
fields: Fields
}
type Frontmatter {
title: String
description: String
date: Date @dateformat
}
type Fields {
slug: String,
isDraft: Boolean
}
`)
}
// src/pages/index.js
import React from "react"
import { Link, graphql } from "gatsby"
import Bio from "../components/bio"
import Layout from "../components/layout"
import SEO from "../components/seo"
const BlogIndex = ({ data, location }) => {
const siteTitle = data.site.siteMetadata?.title || `Title`
const posts = data.allMarkdownRemark.nodes.filter(n => {
if(n.fields['isDraft']) {
return false;
}
return true;
});
if (posts.length === 0) {
return (
<Layout location={location} title={siteTitle}>
<SEO title="All posts" />
<Bio />
<p>
No blog posts found. Add markdown posts to "content/blog" (or the
directory you specified for the "gatsby-source-filesystem" plugin in
gatsby-config.js).
</p>
</Layout>
)
}
return (
<Layout location={location} title={siteTitle}>
<SEO title="All posts" />
<Bio />
<ol style={{ listStyle: `none` }}>
{posts.map(post => {
const title = post.frontmatter.title || post.fields.slug
return (
<li key={post.fields.slug}>
<article
className="post-list-item"
itemScope
itemType="http://schema.org/Article"
>
<header>
<h2>
<Link to={post.fields.slug} itemProp="url">
<span itemProp="headline">{title}</span>
</Link>
</h2>
<small>{post.frontmatter.date}</small>
</header>
<section>
<p
dangerouslySetInnerHTML={{
__html: post.frontmatter.description || post.excerpt,
}}
itemProp="description"
/>
</section>
</article>
</li>
)
})}
</ol>
</Layout>
)
}
export default BlogIndex
export const pageQuery = graphql`
query {
site {
siteMetadata {
title
}
}
allMarkdownRemark(sort: { fields: [frontmatter___date], order: DESC }) {
nodes {
excerpt
fields {
slug,
isDraft
}
frontmatter {
date(formatString: "MMMM DD, YYYY")
title
description
}
}
}
}
`
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