/
gatsby-node.js
49 lines (46 loc) · 1.53 KB
/
gatsby-node.js
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/**
* Implement Gatsby's Node APIs in this file.
*
* See: https://www.gatsbyjs.org/docs/node-apis/
*/
const path = require(`path`);
exports.createPages = ({ graphql, actions }) => {
const { createPage } = actions;
return new Promise((resolve, reject) => {
const blogPostTemplate = path.resolve(`src/templates/blogPost.js`);
resolve(
graphql(`
{
allMarkdownRemark {
edges {
node {
frontmatter {
path
}
}
}
}
}
`).then(result => {
const posts = result.data.allMarkdownRemark.edges;
posts.forEach(({ node }, index) => {
const previous =
index === posts.length - 1
? null
: posts[index + 1].node;
const next = index === 0 ? null : posts[index - 1].node;
const path = node.frontmatter.path;
createPage({
path,
component: blogPostTemplate,
context: {
pathSlug: path,
previous,
next,
},
});
});
}),
);
});
};