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gatsby-node.js
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gatsby-node.js
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const path = require('path')
const get = require('lodash.get')
const startsWith = require('lodash.startswith')
const { createFilePath } = require('gatsby-source-filesystem')
const versions = require('./content/versions.json')
const currentVersion = versions.current
const isDev = process.env.NODE_ENV === 'development'
/**
* Create Pages
*/
exports.createPages = ({ graphql, actions }) => {
const { createPage } = actions
const queryPromises = []
let excludeKeys = ['current', 'next']
if (isDev) {
excludeKeys = ['current']
}
queryPromises.push(
new Promise((resolve, reject) => {
for (const [key, version] of Object.entries(versions)) {
if (excludeKeys.indexOf(key) === -1) {
const VersionTemplate = path.resolve(`./src/templates/version.js`)
createPage({
path: `/docs/${version}/`,
component: VersionTemplate,
context: {
version: version,
versionPath: `/docs/${version}/`,
},
})
}
}
return resolve()
})
)
queryPromises.push(
new Promise((resolve, reject) => {
graphql(`
{
pages: allMarkdownRemark(
filter: {
fields: { hash: { eq: "documentation" } }
frontmatter: { exclude: { eq: null } }
}
limit: 1000
) {
edges {
node {
id
fileAbsolutePath
frontmatter {
title
description
}
fields {
path
version
exclude
}
}
}
}
}
`).then(result => {
if (result.errors) {
console.log('error', result)
return reject(result.errors)
}
result.data.pages.edges.forEach(({ node }) => {
const DocumentationTemplate = path.resolve(
`./src/templates/documentation.js`
)
if (!isDev) {
if (get(node, 'fields.version') === 'next') {
return
}
if (get(node, 'fields.exclude') === true) {
return
}
}
//checkstyles(node)
createPage({
path: get(node, 'fields.path'),
component: DocumentationTemplate,
context: {
slug: get(node, 'fields.path'),
version: get(node, 'fields.version'),
versionPath: '',
},
})
})
return resolve()
})
})
)
return Promise.all(queryPromises)
}
/**
* Create Node
*/
exports.onCreateNode = async ({ node, getNode, actions }) => {
const { createNodeField } = actions
if (get(node, 'internal.type') === `MarkdownRemark`) {
const frontmatterPath = get(node, 'frontmatter.path')
const slug = createFilePath({ node, getNode, basePath: `pages` })
const relativePath = path.relative(__dirname, node.fileAbsolutePath)
const pathArr = relativePath.split('/')
const version = pathArr[1]
const filename = pathArr[pathArr.length - 1]
if (startsWith(relativePath, 'data/')) {
if (!startsWith(filename, '_')) {
// Page
const category = frontmatterPath
.split('/')
.slice(0, 1)
.join('')
const sourcePath = relativePath
.split('/')
.slice(2)
.join('/')
const isRoot = frontmatterPath.split('/').length === 2
let url = `/docs/${version}/${frontmatterPath}`
if (version === currentVersion) {
url = `/docs/${frontmatterPath}`
}
createNodeField({
node,
name: `hash`,
value: `documentation`,
})
createNodeField({
node,
name: `sourcePath`,
value: sourcePath,
})
createNodeField({
node,
name: `category`,
value: category,
})
createNodeField({
node,
name: `version`,
value: version,
})
createNodeField({
node,
name: `root`,
value: isRoot,
})
createNodeField({
node,
name: `slug`,
value: slug,
})
createNodeField({
node,
name: `path`,
value: path.join(url, '/'),
})
if (startsWith(frontmatterPath, `markdown/`)) {
createNodeField({
node,
name: `exclude`,
value: !isDev,
})
} else {
createNodeField({
node,
name: `exclude`,
value: false,
})
}
} else {
// Template
createNodeField({
node,
name: `hash`,
value: `documentation-template`,
})
createNodeField({
node,
name: `version`,
value: version,
})
createNodeField({
node,
name: `exclude`,
value: false,
})
}
}
}
}