const path = require('path') const { createFilePath } = require('gatsby-source-filesystem') const DEFAULT_TEMPLATE = path.resolve('./src/templates/index.js') const BASE_PATH = 'docs' const PAGE_EXTENSIONS = ['.md', '.mdx'] function replacePath(pagePath) { return pagePath === `/` ? pagePath : pagePath.replace(/\/$/, ``) } function getNodeTitle({ childMdx }) { const frontmatter = (childMdx || {}).frontmatter || {} return (frontmatter.title || '').replace("'", '’') } exports.createPages = ({ graphql, actions }) => { const { createPage } = actions return new Promise((resolve, reject) => { resolve( graphql( ` { site { siteMetadata { sections { id title theme } languages { code name models example has_examples } universe { resources { id title } categories { label items { id title description } } } } } allFile(filter: { ext: { in: [".md", ".mdx"] } }) { edges { node { base ext name relativeDirectory absolutePath childMdx { code { scope } frontmatter { title teaser source tag new next search_exclude menu sidebar { label items { text url } } section } } fields { id slug fileName } } } } } ` ).then(result => { if (result.errors) { console.log(result.errors) reject(result.errors) } const sectionData = result.data.site.siteMetadata.sections const sections = Object.assign({}, ...sectionData.map(s => ({ [s.id]: s }))) /* Regular pages */ const pages = result.data.allFile.edges pages.forEach(page => { const { name } = path.parse(page.node.absolutePath) if (!name.startsWith('_')) { const mdx = page.node.childMdx || {} const frontmatter = mdx.frontmatter || {} const section = frontmatter.section || page.node.relativeDirectory const sectionMeta = sections[section] || {} const title = getNodeTitle(page.node) const next = frontmatter.next ? pages.find(({ node }) => node.fields.slug === frontmatter.next) : null createPage({ path: replacePath(page.node.fields.slug), component: DEFAULT_TEMPLATE, context: { id: page.node.id, slug: page.node.fields.slug, isIndex: page.node.fields.fileName === 'index', title, section, sectionTitle: sectionMeta.title, menu: frontmatter.menu || [], teaser: frontmatter.teaser, source: frontmatter.source, sidebar: frontmatter.sidebar, tag: frontmatter.tag, version: frontmatter.new, theme: sectionMeta.theme, searchExclude: frontmatter.search_exclude, relativePath: page.node.relativePath, next: next ? { title: getNodeTitle(next.node), slug: next.node.fields.slug, } : null, }, }) } }) /* Universe */ const universeContext = { section: 'universe', sectionTitle: sections.universe.title, theme: sections.universe.theme, } createPage({ path: '/universe', component: DEFAULT_TEMPLATE, context: { slug: '/universe', isIndex: true, title: 'Overview', ...universeContext, }, }) const universe = result.data.site.siteMetadata.universe.resources universe.forEach(page => { const slug = `/universe/project/${page.id}` createPage({ path: slug, component: DEFAULT_TEMPLATE, context: { id: page.id, slug: slug, isIndex: false, title: page.title || page.id, data: { ...page, isProject: true }, ...universeContext, }, }) }) const universeCategories = result.data.site.siteMetadata.universe.categories const categories = [].concat.apply([], universeCategories.map(cat => cat.items)) categories.forEach(page => { const slug = `/universe/category/${page.id}` createPage({ path: slug, component: DEFAULT_TEMPLATE, context: { id: page.id, slug: slug, isIndex: false, title: page.title, teaser: page.description, data: { ...page, isCategory: true }, ...universeContext, }, }) }) /* Models */ const langs = result.data.site.siteMetadata.languages const modelLangs = langs.filter(({ models }) => models && models.length) modelLangs.forEach(({ code, name, models, example, has_examples }, i) => { const slug = `/models/${code}` const next = i < modelLangs.length - 1 ? modelLangs[i + 1] : null createPage({ path: slug, component: DEFAULT_TEMPLATE, context: { id: code, slug: slug, isIndex: false, title: name, section: 'models', sectionTitle: sections.models.title, theme: sections.models.theme, next: next ? { title: next.name, slug: `/models/${next.code}` } : null, meta: { models, example, hasExamples: has_examples }, }, }) }) }) ) }) } exports.onCreateNode = ({ node, actions, getNode }) => { const { createNodeField } = actions if (PAGE_EXTENSIONS.includes(node.ext)) { const slug = createFilePath({ node, getNode, basePath: BASE_PATH, trailingSlash: false }) const { name } = path.parse(node.absolutePath) createNodeField({ name: 'fileName', node, value: name }) createNodeField({ name: 'slug', node, value: slug }) createNodeField({ name: 'id', node, value: node.id }) } } exports.onCreateWebpackConfig = ({ stage, loaders, actions }) => { // Support relative paths in MDX components actions.setWebpackConfig({ resolve: { modules: [ path.resolve(__dirname), path.resolve(__dirname, 'docs'), path.resolve(__dirname, 'src'), 'node_modules', ], }, module: { rules: [ { test: /\.(html|svg)$/, use: 'raw-loader', }, ], }, }) if (stage === 'build-javascript') { // Turn off source maps actions.setWebpackConfig({ devtool: false, }) } }