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docs/lib/redirects/get-docs-path-from-developer-path.js
Nick Schonning b6de7c6887 chore: Convert Standard to eslint-config-standard (#1328)
* chore: Move standard to ESLint config

* fix: auto-fix ESLint indent issues

* fix: ESLint prefer-regex-literals

* fix: ESLint array-callback-return

- .filter must return a boolean value
- .map replaced with forEach when the value isn't used

* fix: ESLint no-extra-semi
2020-11-17 16:18:18 -05:00

71 lines
3.1 KiB
JavaScript

const patterns = require('../patterns')
const { latest } = require('../enterprise-server-releases')
const { getVersionedPathWithLanguage } = require('../path-utils')
// This function takes a known pre-migration path from developer.github.com and
// infers and returns a current, correct docs.github.com path.
module.exports = function getDocsPathFromDeveloperPath (oldDeveloperPath, allRedirects, pages) {
let newPath = oldDeveloperPath
// Look up the old path in the redirects object BEFORE modifying /v3 and /v4 paths
// in case there is a frontmatter redirect.
// e.g. /v3/activity/event_types -> /en/developers/webhooks-and-events/github-event-types
newPath = allRedirects[newPath] || newPath
// oneoff redirect
const v3OrgPreReceiveHooks = '/v3/orgs/pre_receive_hooks'
if (newPath.endsWith(v3OrgPreReceiveHooks)) {
newPath = newPath.replace(v3OrgPreReceiveHooks, '/v3/enterprise-admin/org_pre_receive_hooks')
}
// oneoff redirect for a dotcom developer path to Enterprise-only path on docs.github.com
const oauthAuthorizations = '/v3/oauth_authorizations'
if (newPath.endsWith(oauthAuthorizations)) {
newPath = newPath.replace(oauthAuthorizations, '/enterprise-server/v3/oauth_authorizations')
}
// Change /v4/foo/bar to /v4/foo#bar
// Change /v3/foo/bar to /v3/foo#bar
// Then we can look up the hashless path in the redirect object,
// get the new path like /graphql/reference/foo or /rest/reference/foo,
// and add the #bar fragment back after.
let fragment
if (patterns.oldApiPath.test(newPath)) {
// pathParts = [ '', 'v4', 'foo', 'bar' ]
const pathParts = newPath.split('/')
// lastSegment = bar
const lastSegment = pathParts.pop()
// newPath = /v4/foo
newPath = pathParts.join('/')
// Underscores in the final segment of REST paths (`/admin_stats`)
// get changed to hyphens when they become fragments (`#admin-stats`).
// GraphQL paths rarely have underscores, but when they do, they are preserved (`__directive`).
fragment = newPath.includes('/v3/')
? lastSegment
.replace(/_/g, '-')
// this is a special oneoff replacement
.replace('org-pre-receive-hooks', 'organization-pre-receive-hooks')
: lastSegment
}
// do a second lookup to find /v4/foo or /v3/foo without the last segment
newPath = allRedirects[newPath] || newPath
// old developer routes that include 'enterprise-admin' should always redirect to enterprise server
if (fragment && newPath.includes('/rest/reference/enterprise-admin') && !patterns.enterpriseServer.test(newPath)) {
newPath = getVersionedPathWithLanguage(newPath, `enterprise-server@${latest}`, 'en')
}
// show an error if the page to be redirected to doesn't exist
// but only if the current collection of pages includes REST and GraphQL reference pages
if (process.env.NODE_ENV !== 'test' && !pages[newPath] && pages['/en/rest/reference'] && pages['/en/graphql/reference']) {
console.error(`can't find ${newPath}! based on ${oldDeveloperPath}`)
}
// add fragment back in and return
return fragment
? newPath + '#' + fragment
: newPath
}