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gatsby-node.js
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gatsby-node.js
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const path = require(`path`)
const { slash } = require(`gatsby-core-utils`)
exports.createPages = ({ graphql, actions }) => {
const { createPage } = actions
const blogPostTemplate = path.resolve(`src/templates/template-blog-post.js`)
return graphql(
`
{
allMarkdownRemark(
limit: 1000
filter: { frontmatter: { draft: { ne: true } } }
) {
edges {
node {
fields {
slug
}
}
}
}
}
`
).then(result => {
if (result.errors) {
throw result.errors
}
// Create blog posts pages.
result.data.allMarkdownRemark.edges.forEach(edge => {
createPage({
path: edge.node.fields.slug, // required
component: slash(blogPostTemplate),
context: {
slug: edge.node.fields.slug,
},
})
})
})
}
exports.onCreateNode = ({ node, actions, getNode }) => {
const { createNodeField } = actions
if (node.internal.type === `MarkdownRemark`) {
const fileNode = getNode(node.parent)
let nodeSlug
nodeSlug = ensureSlashes(
path.basename(fileNode.relativePath, path.extname(fileNode.relativePath))
)
if (nodeSlug) {
createNodeField({ node, name: `slug`, value: nodeSlug })
}
}
}
function ensureSlashes(slug) {
if (slug.charAt(0) !== `/`) {
slug = `/` + slug
}
if (slug.charAt(slug.length - 1) !== `/`) {
slug = slug + `/`
}
return slug
}