117 lines
2.9 KiB
JavaScript
117 lines
2.9 KiB
JavaScript
const path = require(`path`);
|
|
const { createFilePath } = require(`gatsby-source-filesystem`);
|
|
|
|
exports.onCreateWebpackConfig = ({ actions }) => {
|
|
actions.setWebpackConfig({
|
|
resolve: {
|
|
fallback: {
|
|
crypto: require.resolve("crypto-browserify"),
|
|
stream: require.resolve("stream-browserify"),
|
|
},
|
|
},
|
|
});
|
|
};
|
|
|
|
exports.createPages = async ({ graphql, actions, reporter }) => {
|
|
const { createPage } = actions;
|
|
|
|
// Define a template for news post
|
|
const PostTemplate = path.resolve(`./src/templates/news-post.js`);
|
|
|
|
// Get all markdown news posts sorted by date and all possible authors
|
|
const result = await graphql(
|
|
`
|
|
{
|
|
allMarkdownRemark(sort: { fields: [frontmatter___date], order: ASC }, limit: 1000) {
|
|
nodes {
|
|
id
|
|
fields {
|
|
slug
|
|
}
|
|
}
|
|
}
|
|
}
|
|
`
|
|
);
|
|
|
|
if (result.errors) {
|
|
reporter.panicOnBuild(`There was an error loading your news posts`, result.errors);
|
|
return;
|
|
}
|
|
|
|
const posts = result.data.allMarkdownRemark.nodes;
|
|
|
|
// Create news posts pages
|
|
// But only if there's at least one markdown file found at "/data/news" (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) => {
|
|
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: PostTemplate,
|
|
context: {
|
|
id: post.id,
|
|
previousPostId,
|
|
nextPostId,
|
|
},
|
|
});
|
|
});
|
|
}
|
|
};
|
|
|
|
exports.onCreateNode = ({ node, actions, getNode }) => {
|
|
const { createNodeField } = actions;
|
|
|
|
if (node.internal.type === `MarkdownRemark`) {
|
|
const value = createFilePath({ node, getNode });
|
|
|
|
createNodeField({
|
|
name: `slug`,
|
|
node,
|
|
value,
|
|
});
|
|
}
|
|
};
|
|
|
|
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
|
|
// news posts are stored inside "/data/news" instead of returning an error
|
|
createTypes(`
|
|
type SiteSiteMetadata {
|
|
author: String
|
|
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
|
|
author: String
|
|
}
|
|
type Fields {
|
|
slug: String
|
|
}
|
|
`);
|
|
};
|