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gatsby-node.js
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gatsby-node.js
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/* eslint-disable @typescript-eslint/no-var-requires */
const path = require("path");
const { createFilePath } = require("gatsby-source-filesystem");
const _ = require("lodash");
exports.onCreateNode = ({ node, getNode, actions }) => {
const { createNodeField } = actions;
if (node.internal.type === `MarkdownRemark`) {
const pageRegex = new RegExp("/pages/.*\\.md$");
const isPage = node.fileAbsolutePath.match(pageRegex);
// Add slug field to node
const slug = createFilePath({
node,
getNode,
basePath: isPage ? "pages" : "content",
});
createNodeField({
node,
name: `slug`,
value: slug,
});
}
};
exports.createPages = async ({ graphql, actions }) => {
const { createPage } = actions;
// Create listing pages
[
{
type: "blogs",
template: "./src/templates/blogs.tsx",
},
{
type: "recipes",
template: "./src/templates/recipes.tsx",
},
].forEach(async ({ type, template }) => {
const result = await graphql(
`
{
allMarkdownRemark(
filter: { fileAbsolutePath: { regex: "/${type}/.*.md/" } }
sort: { frontmatter: { date: DESC } }
limit: 1000
) {
edges {
node {
fields {
slug
}
}
}
}
}
`,
);
const posts = result.data.allMarkdownRemark.edges;
const postsPerPage = 6;
const totalPages = Math.ceil(posts.length / postsPerPage);
Array.from({
length: totalPages,
}).forEach((_, i) => {
createPage({
path: i === 0 ? `/${type}` : `/${type}/${i + 1}`,
component: path.resolve(template),
context: {
limit: postsPerPage,
skip: i * postsPerPage,
totalPages,
currentPage: i + 1,
},
});
});
});
// Create page for each markdown blog, recipe or post
["blogs", "pages", "recipes"].forEach(async (type) => {
var query = await graphql(`
{
allMarkdownRemark(
filter: { fileAbsolutePath: { regex: "/${type}/.*\\\\.md$/" } }
) {
edges {
node {
fields {
slug
}
}
}
}
}
`);
query.data.allMarkdownRemark.edges.forEach(({ node }) => {
const { slug } = node.fields;
createPage({
path: slug,
component: path.resolve("./src/templates/post.tsx"),
context: {
slug: slug,
},
});
});
});
// Create page for each tag
const tagTemplate = path.resolve("src/templates/tags.tsx");
const tagsQuery = await graphql(`
{
postsRemark: allMarkdownRemark(
sort: { frontmatter: { date: DESC } }
limit: 2000
) {
edges {
node {
fields {
slug
}
frontmatter {
tags
}
}
}
}
tagsGroup: allMarkdownRemark(limit: 2000) {
group(field: { frontmatter: { tags: SELECT } }) {
fieldValue
}
}
}
`);
const tags = tagsQuery.data.tagsGroup.group;
tags.forEach((tag) => {
createPage({
path: `/tags/${_.kebabCase(tag.fieldValue)}/`,
component: tagTemplate,
context: {
tag: tag.fieldValue,
},
});
});
// Generate search page
createPage({
path: "/search",
component: path.resolve("src/templates/search.tsx"),
});
};