410 lines
16 KiB
JavaScript
Executable File
410 lines
16 KiB
JavaScript
Executable File
#!/usr/bin/env node
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// [start-readme]
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//
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// Run this script to pull openAPI files from github/github, dereference them, and decorate them.
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//
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// [end-readme]
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import { stat, readFile, writeFile, readdir } from 'fs/promises'
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import path from 'path'
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import program from 'commander'
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import { execSync } from 'child_process'
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import mkdirp from 'mkdirp'
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import rimraf from 'rimraf'
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import yaml from 'js-yaml'
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import slugger from 'github-slugger'
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import { categoriesWithoutSubcategories } from '../../lib/rest/index.js'
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import getOperations from './utils/get-operations.js'
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const tempDocsDir = path.join(process.cwd(), 'openapiTmp')
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const githubRepoDir = path.join(process.cwd(), '../github')
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const dereferencedPath = path.join(process.cwd(), 'lib/rest/static/dereferenced')
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const appsStaticPath = path.join(process.cwd(), 'lib/rest/static/apps')
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const decoratedPath = path.join(process.cwd(), 'lib/rest/static/decorated')
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const openApiReleasesDir = `${githubRepoDir}/app/api/description/config/releases`
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program
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.description('Generate dereferenced OpenAPI and decorated schema files.')
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.option(
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'--decorate-only',
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'⚠️ Only used by a 🤖 to generate decorated schema files from existing dereferenced schema files.'
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)
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.option(
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'-v --versions <VERSIONS...>',
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'A list of undeprecated, published versions to build, separated by a space. Example "ghes-3.1" or "api.github.com github.ae"'
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)
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.option('-d --include-deprecated', 'Includes schemas that are marked as `deprecated: true`')
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.option('-u --include-unpublished', 'Includes schemas that are marked as `published: false`')
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.option('--redirects-only', 'Only generate the redirects file')
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.parse(process.argv)
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const { decorateOnly, versions, includeUnpublished, includeDeprecated, redirectsOnly } =
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program.opts()
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// Check that the github/github repo exists. If the files are only being
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// decorated, the github/github repo isn't needed.
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if (!decorateOnly && !redirectsOnly) {
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try {
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await stat(githubRepoDir)
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} catch (error) {
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console.log(
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`🛑 The ${githubRepoDir} does not exist. Make sure you have a local, bootstrapped checkout of github/github at the same level as your github/docs-internal repo before running this script.`
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)
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process.exit(1)
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}
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}
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// When the input parameter type is decorate-only, use the local
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// `github/docs-internal` repo to generate a list of schema files.
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// Otherwise, use the `github/github` list of config files
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const referenceSchemaDirectory = decorateOnly ? dereferencedPath : openApiReleasesDir
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// A full list of unpublished, deprecated, and active schemas
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const allSchemas = await getOpenApiSchemas(referenceSchemaDirectory)
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await validateInputParameters(allSchemas)
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// Format the command supplied to the bundle script in `github/github`
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const commandParameters = await getCommandParameters()
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// Get the list of schemas for this bundle, depending on options
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const schemas = await getSchemas(allSchemas)
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main()
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async function main() {
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// Generate the dereferenced OpenAPI schema files
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if (!decorateOnly && !redirectsOnly) {
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await getDereferencedFiles()
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}
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// Decorate the dereferenced files in a format ingestible by docs.github.com
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if (!redirectsOnly) {
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await decorate()
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}
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console.log(
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'\n🏁 The static REST API files are now up-to-date with your local `github/github` checkout. To revert uncommitted changes, run `git checkout lib/rest/static/*.\n\n'
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)
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}
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async function getDereferencedFiles() {
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// Get the github/github repo branch name and pull latest
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const githubBranch = execSync('git rev-parse --abbrev-ref HEAD', { cwd: githubRepoDir })
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.toString()
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.trim()
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// Only pull master branch because development mode branches are assumed
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// to be up-to-date during active work.
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if (githubBranch === 'master') {
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execSync('git pull', { cwd: githubRepoDir })
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}
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// Create a tmp directory to store schema files generated from github/github
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rimraf.sync(tempDocsDir)
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await mkdirp(tempDocsDir)
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console.log(
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`\n🏃♀️🏃🏃♀️Running \`bin/openapi bundle\` in branch '${githubBranch}' of your github/github checkout to generate the dereferenced OpenAPI schema files.\n`
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)
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try {
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console.log(`bundle -o ${tempDocsDir} ${commandParameters}`)
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execSync(
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`${path.join(githubRepoDir, 'bin/openapi')} bundle -o ${tempDocsDir} ${commandParameters}`,
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{ stdio: 'inherit' }
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)
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} catch (error) {
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console.error(error)
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console.log(
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'🛑 Whoops! It looks like the `bin/openapi bundle` command failed to run in your `github/github` repository checkout. To troubleshoot, ensure that your OpenAPI schema YAML is formatted correctly. A CI test runs on your `github/github` PR that flags malformed YAML. You can check the PR diff view for comments left by the openapi CI test to find and fix any formatting errors.'
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)
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process.exit(1)
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}
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execSync(`find ${tempDocsDir} -type f -name "*deref.json" -exec mv '{}' ${dereferencedPath} ';'`)
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rimraf.sync(tempDocsDir)
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// When running in development mode (locally), the the info.version
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// property in the dereferenced schema is replaced with the branch
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// name of the `github/github` checkout. A CI test
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// checks the version and fails if it's not a semantic version.
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for (const filename of schemas) {
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const schema = JSON.parse(await readFile(path.join(dereferencedPath, filename)))
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schema.info.version = `${githubBranch} !!DEVELOPMENT MODE - DO NOT MERGE!!`
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await writeFile(path.join(dereferencedPath, filename), JSON.stringify(schema, null, 2))
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}
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}
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async function getCategoryOverrideRedirects() {
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const { operationUrls, sectionUrls } = JSON.parse(
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await readFile('script/rest/utils/rest-api-overrides.json', 'utf8')
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)
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const operationRedirects = {}
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console.log('\n➡️ Updating REST API redirect exception list.\n')
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Object.values(operationUrls).forEach((value) => {
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const oldUrl = value.originalUrl.replace('/rest/reference', '/rest')
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const anchor = oldUrl.split('#')[1]
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const subcategory = value.subcategory
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const redirectTo = subcategory
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? `/rest/${value.category}/${subcategory}#${anchor}`
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: `/rest/${value.category}#${anchor}`
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operationRedirects[oldUrl] = redirectTo
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})
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const redirects = {
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...operationRedirects,
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...sectionUrls,
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}
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return redirects
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}
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async function decorate() {
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console.log('\n🎄 Decorating the OpenAPI schema files in lib/rest/static/dereferenced.\n')
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const dereferencedSchemas = {}
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for (const filename of schemas) {
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const schema = JSON.parse(await readFile(path.join(dereferencedPath, filename)))
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const key = filename.replace('.deref.json', '')
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dereferencedSchemas[key] = schema
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}
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const operationsEnabledForGitHubApps = {}
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const clientSideRedirects = await getCategoryOverrideRedirects()
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for (const [schemaName, schema] of Object.entries(dereferencedSchemas)) {
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try {
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// get all of the operations for a particular version of the openapi
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const operations = await getOperations(schema)
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// process each operation, asynchronously rendering markdown and stuff
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await Promise.all(operations.map((operation) => operation.process()))
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// For each rest operation that doesn't have an override defined
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// in script/rest/utils/rest-api-overrides.json,
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// add a client-side redirect
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operations.forEach((operation) => {
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// A handful of operations don't have external docs properties
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const externalDocs = operation.getExternalDocs()
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if (!externalDocs) {
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return
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}
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const oldUrl = `/rest${
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externalDocs.url.replace('/rest/reference', '/rest').split('/rest')[1]
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}`
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if (!(oldUrl in clientSideRedirects)) {
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// There are some operations that aren't nested in the sidebar
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// For these, don't need to add a client-side redirect, the
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// frontmatter redirect will handle it for us.
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if (categoriesWithoutSubcategories.includes(operation.category)) {
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return
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}
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const anchor = oldUrl.split('#')[1]
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const subcategory = operation.subcategory
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// If there is no subcategory, a new page with the same name as the
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// category was created. That page name may change going forward.
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const redirectTo = subcategory
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? `/rest/${operation.category}/${subcategory}#${anchor}`
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: `/rest/${operation.category}/${operation.category}#${anchor}`
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clientSideRedirects[oldUrl] = redirectTo
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}
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// There are a lot of section headings that we'll want to redirect too,
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// now that subcategories are on their own page. For example,
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// /rest/reference/actions#artifacts should redirect to
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// /rest/actions/artifacts
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if (operation.subcategory) {
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const sectionRedirectFrom = `/rest/${operation.category}#${operation.subcategory}`
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const sectionRedirectTo = `/rest/${operation.category}/${operation.subcategory}`
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if (!(sectionRedirectFrom in clientSideRedirects)) {
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clientSideRedirects[sectionRedirectFrom] = sectionRedirectTo
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}
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}
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})
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const categories = [...new Set(operations.map((operation) => operation.category))].sort()
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// Orders the operations by their category and subcategories.
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// All operations must have a category, but operations don't need
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// a subcategory. When no subcategory is present, the subcategory
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// property is an empty string ('').
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/*
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Example:
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{
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[category]: {
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'': {
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"description": "",
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"operations": []
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},
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[subcategory sorted alphabetically]: {
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"description": "",
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"operations": []
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}
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}
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}
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*/
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const operationsByCategory = {}
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categories.forEach((category) => {
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operationsByCategory[category] = {}
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const categoryOperations = operations.filter((operation) => operation.category === category)
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categoryOperations
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.filter((operation) => !operation.subcategory)
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.map((operation) => (operation.subcategory = operation.category))
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const subcategories = [
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...new Set(categoryOperations.map((operation) => operation.subcategory)),
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].sort()
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// the first item should be the item that has no subcategory
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// e.g., when the subcategory = category
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const firstItemIndex = subcategories.indexOf(category)
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if (firstItemIndex > -1) {
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const firstItem = subcategories.splice(firstItemIndex, 1)[0]
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subcategories.unshift(firstItem)
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}
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subcategories.forEach((subcategory) => {
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operationsByCategory[category][subcategory] = {}
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const subcategoryOperations = categoryOperations.filter(
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(operation) => operation.subcategory === subcategory
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)
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operationsByCategory[category][subcategory] = subcategoryOperations
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})
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})
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const filename = path.join(decoratedPath, `${schemaName}.json`).replace('.deref', '')
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// write processed operations to disk
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await writeFile(filename, JSON.stringify(operationsByCategory, null, 2))
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console.log('Wrote', path.relative(process.cwd(), filename))
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// Create the enabled-for-apps.json file used for
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// https://docs.github.com/en/rest/overview/endpoints-available-for-github-apps
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operationsEnabledForGitHubApps[schemaName] = {}
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for (const category of categories) {
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const categoryOperations = operations.filter((operation) => operation.category === category)
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// This is a collection of operations that have `enabledForGitHubApps = true`
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// It's grouped by resource title to make rendering easier
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operationsEnabledForGitHubApps[schemaName][category] = categoryOperations
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.filter((operation) => operation.enabledForGitHubApps)
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.map((operation) => ({
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slug: slugger.slug(operation.title),
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subcategory: operation.subcategory,
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verb: operation.verb,
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requestPath: operation.requestPath,
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}))
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}
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} catch (error) {
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console.error(error)
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console.log(
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"🐛 Whoops! It looks like the decorator script wasn't able to parse the dereferenced schema. A recent change may not yet be supported by the decorator. Please reach out in the #docs-engineering slack channel for help."
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)
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process.exit(1)
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}
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}
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await writeFile(
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path.join(appsStaticPath, 'enabled-for-apps.json'),
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JSON.stringify(operationsEnabledForGitHubApps, null, 2)
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)
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console.log('Wrote', path.relative(process.cwd(), `${appsStaticPath}/enabled-for-apps.json`))
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await writeFile(
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'lib/redirects/static/client-side-rest-api-redirects.json',
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JSON.stringify(clientSideRedirects, null, 2),
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'utf8'
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)
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console.log(
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'Wrote',
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path.relative(process.cwd(), `lib/redirects/static/client-side-rest-api-redirects.json`)
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)
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}
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async function validateInputParameters(schemas) {
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// The `--versions` and `--decorate-only` options cannot be used
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// with the `--include-deprecated` or `--include-unpublished` options
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const numberOfOptions = Object.keys(program.opts()).length
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if (numberOfOptions > 1 && (decorateOnly || versions)) {
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console.log(
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`🛑 You cannot use the versions and decorate-only options with any other options.\nThe decorate-only switch will decorate all dereferenced schemas files in the docs-internal repo.\nThis script doesn't support generating individual deprecated or unpublished schemas.\nPlease reach out to #docs-engineering if this is a use case that you need.`
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)
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process.exit(1)
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}
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// Validate individual versions provided
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if (versions) {
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versions.forEach((version) => {
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if (
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schemas.deprecated.includes(`${version}.deref.json`) ||
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schemas.unpublished.includes(`${version}.deref.json`)
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) {
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console.log(
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`🛑 This script doesn't support generating individual deprecated or unpublished schemas. Please reach out to #docs-engineering if this is a use case that you need.`
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)
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process.exit(1)
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} else if (!schemas.currentReleases.includes(`${version}.deref.json`)) {
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console.log(`🛑 The version (${version}) you specified is not valid.`)
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process.exit(1)
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}
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})
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}
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}
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async function getOpenApiSchemas(directory) {
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const openAPIConfigs = await readdir(directory)
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const unpublished = []
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const deprecated = []
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const currentReleases = []
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for (const file of openAPIConfigs) {
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const newFileName = `${path.basename(file, 'yaml')}deref.json`
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const content = await readFile(path.join(directory, file), 'utf8')
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const yamlContent = yaml.load(content)
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if (!yamlContent.published) {
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unpublished.push(newFileName)
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}
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if (yamlContent.deprecated) {
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deprecated.push(newFileName)
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}
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if (!yamlContent.deprecated && yamlContent.published) {
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currentReleases.push(newFileName)
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}
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}
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return { currentReleases, unpublished, deprecated }
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}
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async function getCommandParameters() {
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let includeParams = []
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if (versions) {
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includeParams = versions
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}
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if (includeUnpublished) {
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includeParams.push('--include_unpublished')
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}
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if (includeDeprecated) {
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includeParams.push('--include_deprecated')
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}
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return includeParams.join(' ')
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}
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async function getSchemas(allSchemas) {
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if (decorateOnly) {
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const files = await readdir(dereferencedPath)
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return files
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} else if (versions) {
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return versions.map((elem) => `${elem}.deref.json`)
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} else {
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const schemas = allSchemas.currentReleases
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if (includeUnpublished) {
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schemas.push(...allSchemas.unpublished)
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}
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if (includeDeprecated) {
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schemas.push(...allSchemas.deprecated)
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}
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return schemas
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}
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}
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