From fc082152780b1a3f5b06a8ab873cdd265314211d Mon Sep 17 00:00:00 2001
From: Kevin Heis <heiskr@users.noreply.github.com>
Date: Wed, 15 Dec 2021 11:21:03 -0800
Subject: [PATCH 1/2] In memory cache api pages (#23751)

---
 middleware/render-page.js | 48 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/middleware/render-page.js b/middleware/render-page.js
index a082920d6a..149417ba18 100644
--- a/middleware/render-page.js
+++ b/middleware/render-page.js
@@ -5,6 +5,8 @@ import Page from '../lib/page.js'
 import { isConnectionDropped } from './halt-on-dropped-connection.js'
 import { nextApp, nextHandleRequest } from './next.js'
 
+const pageCache = new Map()
+
 export default async function renderPage(req, res, next) {
   if (req.path.startsWith('/storybook')) {
     return nextHandleRequest(req, res)
@@ -29,6 +31,45 @@ export default async function renderPage(req, res, next) {
   // Is the request for JSON debugging info?
   const isRequestingJsonForDebugging = 'json' in req.query && process.env.NODE_ENV !== 'production'
 
+  // ****** temporary caching measure for holiday spam prevention *********
+
+  const isApiPage =
+    req.context.currentPathWithoutLanguage.includes('rest/reference') ||
+    req.context.currentPathWithoutLanguage.includes('graphql/reference')
+
+  // Serve from the cache if possible
+  const isCacheable =
+    // Skip for CI
+    !process.env.CI &&
+    // Skip for tests
+    process.env.NODE_ENV !== 'test' &&
+    // Skip for HTTP methods other than GET
+    req.method === 'GET' &&
+    // Skip for JSON debugging info requests
+    !isRequestingJsonForDebugging &&
+    // Only API pages
+    isApiPage
+
+  // don't cache query strings
+  const originalUrl = req.originalUrl.split('?')[0]
+
+  if (isCacheable) {
+    // Stop processing if the connection was already dropped
+    if (isConnectionDropped(req, res)) return
+
+    const cachedHtml = pageCache.get(originalUrl)
+    if (cachedHtml) {
+      // Stop processing if the connection was already dropped
+      if (isConnectionDropped(req, res)) return
+
+      console.log(`Serving from cached version of ${originalUrl}`)
+      // statsd.increment('page.sent_from_cache')
+      return res.send(cachedHtml)
+    }
+  }
+
+  // ****** [end] temporary caching measure for holiday spam prevention *********
+
   // add page context
   const context = Object.assign({}, req.context, { page })
 
@@ -104,5 +145,12 @@ export default async function renderPage(req, res, next) {
   // Hand rendering over to NextJS
   req.context.renderedPage = context.renderedPage
   req.context.miniTocItems = context.miniTocItems
+
+  // ****** temporary caching measure for holiday spam prevention *********
+  if (isCacheable) {
+    pageCache.set(originalUrl, req.context.renderedPage)
+  }
+  // ****** [end] temporary caching measure for holiday spam prevention *********
+
   return nextHandleRequest(req, res)
 }

From 0c0e0daf8eefdd246cff70c7cbe8f792d0d30e9c Mon Sep 17 00:00:00 2001
From: docubot <67483024+docubot@users.noreply.github.com>
Date: Wed, 15 Dec 2021 13:24:42 -0600
Subject: [PATCH 2/2] New translation batch for cn (#23717)

* Add crowdin translations

* Run script/i18n/homogenize-frontmatter.js

* Run script/i18n/lint-translation-files.js --check parsing

* Run script/i18n/lint-translation-files.js --check rendering

* run script/i18n/reset-files-with-broken-liquid-tags.js --language=cn

* run script/i18n/reset-known-broken-translation-files.js

* Check in cn CSV report