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// Use in this file CommonJS syntax see https://www.gatsbyjs.org/docs/migrating-from-v1-to-v2/#convert-to-either-pure-commonjs-or-pure-es6
const path = require('path');
const createSlug = require('./util-node/createSlug');
const getNodeReleasesData = require('./util-node/getNodeReleasesData');
const getBannersData = require('./util-node/getBannersData');
const getNvmData = require('./util-node/getNvmData');
const createPagesQuery = require('./util-node/createPagesQuery');
const createDocPages = require('./util-node/createDocPages');
const redirects = require('./util-node/redirects');
const BLOG_POST_FILENAME_REGEX = /([0-9]+)-([0-9]+)-([0-9]+)-(.+)\.md$/;
exports.createPages = async ({ graphql, actions, reporter }) => {
const { createPage, createRedirect } = actions;
const result = await graphql(createPagesQuery);
if (result.errors) {
reporter.panicOnBuild('Error while running "createPages" GraphQL query.');
return;
}
Object.keys(redirects).forEach(from => {
createRedirect({
fromPath: from,
toPath: redirects[from],
isPermanent: true,
});
});
const docTemplate = path.resolve('./src/templates/learn.tsx');
const blogTemplate = path.resolve('./src/templates/blog.tsx');
const { edges } = result.data.allMdx;
const docPages = createDocPages(edges);
docPages.forEach(page => {
if (page.category === 'blog') {
createPage({
path: page.slug,
component: blogTemplate,
context: page,
});
} else if (page.category === 'learn') {
createPage({
path: `/learn/${page.slug}`,
component: docTemplate,
context: page,
});
createRedirect({
fromPath: `/${page.slug}`,
toPath: `/learn/${page.slug}`,
isPermanent: true,
});
}
if (page.slug === 'introduction-to-nodejs') {
createPage({
path: `/learn`,
component: docTemplate,
context: page,
});
}
});
};
exports.onCreateNode = ({ node, actions, getNode }) => {
if (node.internal.type === 'Mdx') {
const { createNodeField } = actions;
const { fileAbsolutePath, parent, frontmatter } = node;
const relativePath =
parent && getNode(parent) ? getNode(parent).relativePath : '';
let slug;
if (fileAbsolutePath && fileAbsolutePath.includes('/blog/')) {
const [, year, month, day, filename] =
BLOG_POST_FILENAME_REGEX.exec(relativePath);
slug = `/blog/${year}/${month}/${day}/${filename}`;
const date = new Date(year, month - 1, day);
createNodeField({
node,
name: 'date',
value: date.toJSON(),
});
} else slug = createSlug(frontmatter.title);
createNodeField({
node,
name: 'slug',
value: slug,
});
const { authors } = frontmatter;
if (authors) {
createNodeField({
node,
name: 'authors',
value: authors.split(','),
});
}
}
};
exports.sourceNodes = async ({
actions: { createNode },
createNodeId,
createContentDigest,
reporter: { activityTimer },
}) => {
let activity = activityTimer('Fetching Node release data');
activity.start();
try {
const nodeReleasesData = await getNodeReleasesData();
const nodeReleasesMeta = {
id: createNodeId('node-releases'),
parent: null,
children: [],
internal: {
type: 'NodeReleases',
mediaType: 'application/json',
content: JSON.stringify(nodeReleasesData),
contentDigest: createContentDigest(nodeReleasesData),
},
};
await createNode({
...nodeReleasesData,
...nodeReleasesMeta,
});
activity.end();
activity = activityTimer('Fetching Banners');
activity.start();
const bannersData = await getBannersData();
const bannersMeta = {
id: createNodeId('banners'),
parent: null,
children: [],
internal: {
type: 'Banners',
mediaType: 'application/json',
content: JSON.stringify(bannersData),
contentDigest: createContentDigest(bannersData),
},
};
await createNode({
...bannersData,
...bannersMeta,
});
activity.end();
activity = activityTimer('Fetching latest NVM version data');
activity.start();
const nvmData = await getNvmData();
const nvmMeta = {
id: createNodeId('nvm'),
parent: null,
children: [],
internal: {
type: 'Nvm',
mediaType: 'application/json',
content: JSON.stringify(nvmData),
contentDigest: createContentDigest(nvmData),
},
};
await createNode({
...nvmData,
...nvmMeta,
});
activity.end();
} catch (err) {
activity.panic(err);
}
};