feat: implement centralized route dispatcher for API request handling

Author: CCA3370

api/[...route].js

@@ -1,76 +1,3 @@
-import bugReportHandler from './_lib/routes/bug-report.js'
-import feedbackIssueHandler from './_lib/routes/feedback-issue.js'
-import issueCommentHandler from './_lib/routes/issue-comment.js'
-import issueDetailHandler from './_lib/routes/issue-detail.js'
-import issueDraftHandler from './_lib/routes/issue-draft.js'
-import issueRedirectHandler from './_lib/routes/issue-redirect.js'
-import issueUpdatesHandler from './_lib/routes/issue-updates.js'
-import latestJsonHandler from './_lib/routes/latest-json.js'
-import libraryLinkHandler from './_lib/routes/library-link.js'
-import libraryLinksDataHandler from './_lib/routes/library-links-data.js'
-import liveryPatternsDataHandler from './_lib/routes/livery-patterns-data.js'
-import outputCleanupItemSubmissionHandler from './_lib/routes/output-cleanup-item-submission.js'
-import outputCleanupItemsDataHandler from './_lib/routes/output-cleanup-items-data.js'
-import releaseRedirectHandler from './_lib/routes/release-redirect.js'
-import updateReleaseHandler from './_lib/routes/update-release.js'
+import routeDispatcher from './_lib/route-dispatcher.js'
 
-const handlers = {
-  'bug-report': bugReportHandler,
-  'feedback-issue': feedbackIssueHandler,
-  'issue-comment': issueCommentHandler,
-  'issue-detail': issueDetailHandler,
-  'issue-draft': issueDraftHandler,
-  'issue-redirect': issueRedirectHandler,
-  'issue-updates': issueUpdatesHandler,
-  'latest-json': latestJsonHandler,
-  'library-link': libraryLinkHandler,
-  'library-links-data': libraryLinksDataHandler,
-  'livery-patterns-data': liveryPatternsDataHandler,
-  'output-cleanup-item-submission': outputCleanupItemSubmissionHandler,
-  'output-cleanup-items-data': outputCleanupItemsDataHandler,
-  'release-redirect': releaseRedirectHandler,
-  'update-release': updateReleaseHandler,
-}
-
-function getRouteSegments(req) {
-  if (typeof req.url === 'string' && req.url.length > 0) {
-    const pathname = new URL(req.url, 'https://x-fast-manager.vercel.app').pathname
-    const segments = pathname.split('/').filter(Boolean)
-
-    if (segments[0] === 'api') {
-      return segments.slice(1)
-    }
-
-    return segments
-  }
-
-  const route = req.query?.route
-
-  if (Array.isArray(route)) {
-    return route
-  }
-
-  if (typeof route === 'string' && route.length > 0) {
-    return [route]
-  }
-
-  return []
-}
-
-export default async function handler(req, res) {
-  const segments = getRouteSegments(req)
-  if (segments.length !== 1) {
-    return res.status(404).json({ error: 'Not found' })
-  }
-
-  const target = handlers[segments[0]]
-  if (!target) {
-    return res.status(404).json({ error: 'Not found' })
-  }
-
-  if (req.query && Object.prototype.hasOwnProperty.call(req.query, 'route')) {
-    delete req.query.route
-  }
-
-  return target(req, res)
-}
+export default routeDispatcher

api/_lib/route-dispatcher.js

@@ -0,0 +1,76 @@
+import bugReportHandler from './routes/bug-report.js'
+import feedbackIssueHandler from './routes/feedback-issue.js'
+import issueCommentHandler from './routes/issue-comment.js'
+import issueDetailHandler from './routes/issue-detail.js'
+import issueDraftHandler from './routes/issue-draft.js'
+import issueRedirectHandler from './routes/issue-redirect.js'
+import issueUpdatesHandler from './routes/issue-updates.js'
+import latestJsonHandler from './routes/latest-json.js'
+import libraryLinkHandler from './routes/library-link.js'
+import libraryLinksDataHandler from './routes/library-links-data.js'
+import liveryPatternsDataHandler from './routes/livery-patterns-data.js'
+import outputCleanupItemSubmissionHandler from './routes/output-cleanup-item-submission.js'
+import outputCleanupItemsDataHandler from './routes/output-cleanup-items-data.js'
+import releaseRedirectHandler from './routes/release-redirect.js'
+import updateReleaseHandler from './routes/update-release.js'
+
+const handlers = {
+  'bug-report': bugReportHandler,
+  'feedback-issue': feedbackIssueHandler,
+  'issue-comment': issueCommentHandler,
+  'issue-detail': issueDetailHandler,
+  'issue-draft': issueDraftHandler,
+  'issue-redirect': issueRedirectHandler,
+  'issue-updates': issueUpdatesHandler,
+  'latest-json': latestJsonHandler,
+  'library-link': libraryLinkHandler,
+  'library-links-data': libraryLinksDataHandler,
+  'livery-patterns-data': liveryPatternsDataHandler,
+  'output-cleanup-item-submission': outputCleanupItemSubmissionHandler,
+  'output-cleanup-items-data': outputCleanupItemsDataHandler,
+  'release-redirect': releaseRedirectHandler,
+  'update-release': updateReleaseHandler,
+}
+
+function getRouteSegments(req) {
+  if (typeof req.url === 'string' && req.url.length > 0) {
+    const pathname = new URL(req.url, 'https://x-fast-manager.vercel.app').pathname
+    const segments = pathname.split('/').filter(Boolean)
+
+    if (segments[0] === 'api') {
+      return segments.slice(1)
+    }
+
+    return segments
+  }
+
+  const route = req.query?.route
+
+  if (Array.isArray(route)) {
+    return route
+  }
+
+  if (typeof route === 'string' && route.length > 0) {
+    return [route]
+  }
+
+  return []
+}
+
+export default async function routeDispatcher(req, res) {
+  const segments = getRouteSegments(req)
+  if (segments.length !== 1) {
+    return res.status(404).json({ error: 'Not found' })
+  }
+
+  const target = handlers[segments[0]]
+  if (!target) {
+    return res.status(404).json({ error: 'Not found' })
+  }
+
+  if (req.query && Object.prototype.hasOwnProperty.call(req.query, 'route')) {
+    delete req.query.route
+  }
+
+  return target(req, res)
+}

api/api/[...route].js

@@ -0,0 +1,3 @@
+import routeDispatcher from '../_lib/route-dispatcher.js'
+
+export default routeDispatcher