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gatsby-node.js
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gatsby-node.js
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const path = require('path');
const { createFilePath } = require('gatsby-source-filesystem');
exports.onCreateNode = ({ node, getNode, actions }) => {
const { createNodeField } = actions;
if (node.internal.type === 'MarkdownRemark') {
const slug = createFilePath({ node, getNode, basePath: 'content' });
createNodeField({
node,
name: 'slug',
value: `/posts${slug}`,
});
}
};
exports.createPages = async ({ graphql, actions, reporter }) => {
const { createPage } = actions;
const result = await graphql(`
{
postQuery: allMarkdownRemark(
filter: { fileAbsolutePath: { regex: "/content/posts/" } }
sort: { order: ASC, fields: [frontmatter___date] }
) {
edges {
node {
fields {
slug
}
}
}
}
}
`);
if (result.errors) {
reporter.panic('error loading posts', result.errors);
return;
}
const posts = result.data.postQuery.edges;
posts.forEach((post) => {
createPage({
path: post.node.fields.slug,
component: path.resolve('./src/templates/post.js'),
context: {
slug: post.node.fields.slug,
},
});
});
};