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gatsby-node.js
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gatsby-node.js
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const fs = require("fs")
const path = require(`path`)
const { createFilePath } = require("gatsby-source-filesystem")
const { fmImagesToRelative } = require("gatsby-remark-relative-images")
const { parseBaseConfig, writeConfig } = require("./src/cms/config/index.js")
const config = require("./gatsby-config")
const { defaultLocale, supportedLocales } = config.siteMetadata
exports.onPreBootstrap = () => {
const base = parseBaseConfig()
const fileCollections = base.collections.filter(
(c) => c.name === "pages" || c.name === "header" || c.name === "footer"
)
const files = fileCollections.reduce(
(acc, curr) => acc.concat(curr.files.map((f) => f.file)),
[]
)
const nonDefaultLocales = supportedLocales.filter((l) => l !== defaultLocale)
// Generate markdown pages for each locale for each file if they do not
// already exist. File collections do not allow admin editors to create new
// items in the collection. Each page must be explicitly added.
// https://www.netlifycms.org/docs/collection-types/#file-collections
// Since they are a copy, they will have English by default until edited.
nonDefaultLocales.forEach((locale) => {
files.forEach((file) => {
const localeFile = file.replace(/(.*)\.(.*)$/, `$1.${locale}.$2`)
if (!fs.existsSync(localeFile)) {
fs.copyFileSync(file, localeFile)
}
})
})
}
exports.createPages = async ({ actions, graphql, reporter }) => {
const { createPage } = actions
const result = await graphql(`
{
allMarkdownRemark(
sort: { order: DESC, fields: [frontmatter___date] }
limit: 1000
filter: { fileAbsolutePath: { regex: "/(pages)/" } }
) {
edges {
node {
id
fields {
locale
slug
}
frontmatter {
template
}
}
}
}
}
`)
// Handle errors
if (result.errors) {
reporter.panicOnBuild(`Error while running GraphQL query.`)
return
}
// Render pages based on their frontmatter template, if available, or a
// default template at src/templates/default.js
result.data.allMarkdownRemark.edges.forEach(({ node }) => {
const templateName = node.frontmatter.template || `default`
const template = path.resolve(
path.join("src/templates/", `${templateName}.js`)
)
createPage({
path: node.fields.slug,
component: template,
// additional data can be passed via context
context: { id: node.id, locale: node.fields.locale },
})
})
}
function localeFromFilename(filename) {
const potentialMatch = filename.match(/.*\.(\w+)\.\w+$/i)
return (potentialMatch && potentialMatch[1]) || null
}
function localePath(path, locale) {
const pathComponents = path.split("/").filter((s) => s !== "")
let last = pathComponents.pop()
if (last === `index.${locale}`) {
last = ""
} else {
last = last.replace(new RegExp(`\\.${locale}$`, "i"), "")
}
pathComponents.push(last)
return `/${locale}/${pathComponents.join("/")}`
}
exports.createSchemaCustomization = ({ actions }) => {
const { createTypes } = actions
const typeDefs = `
type MarkdownRemark implements Node {
html: String
excerpt: String
frontmatter: Frontmatter
}
type Frontmatter {
nav_columns: [NavColumns]
}
type NavColumns {
items: [Items]
}
type Items {
icon: Icon
label: String
url: String
}
type Icon {
alt: String
image: File @fileByRelativePath
}
`
createTypes(typeDefs)
}
exports.onCreateNode = async ({ graphql, node, actions, getNode }) => {
const { createNodeField } = actions
// set a slug for all markdown nodes, and use any supported 639-1 language
// code prepended to the file extension to set a language-specific URL root
if (node.internal.type === `MarkdownRemark`) {
let locale = localeFromFilename(node.fileAbsolutePath)
if (!supportedLocales.includes(locale)) {
locale = defaultLocale
}
let slug = createFilePath({ node, getNode })
if (locale !== defaultLocale) {
slug = localePath(slug, locale)
}
createNodeField({
name: `slug`,
node,
value: slug,
})
createNodeField({
name: `locale`,
node,
value: locale,
})
}
// create new pages for non-default localeuages
else if (node.internal.type === "SitePage") {
let locale = defaultLocale
if (node.component) {
locale = localeFromFilename(node.component)
if (!supportedLocales.includes(locale)) {
locale = defaultLocale
} else if (locale !== defaultLocale) {
node.path = localePath(path, locale)
}
}
createNodeField({
name: `locale`,
node,
value: locale,
})
}
}
exports.onPostBootstrap = () => {
// generate the netlify config
writeConfig(path.join(__dirname, "./static/admin/config.yml"))
}