fix(search-index): use en-US popularities for German (#12212)

Reorders the German search-index using the order from the English search-index,
which is based on page popularity in terms of page views in the previous month.

Author: caugner

Diff for: .github/workflows/dev-build.yml

@@ -169,6 +169,9 @@ jobs:
           yarn tool whatsdeployed $CONTENT_ROOT --output client/build/_whatsdeployed/content.json
           yarn tool whatsdeployed $CONTENT_TRANSLATED_ROOT --output client/build/_whatsdeployed/translated-content.json
 
+          # Sort DE search index by en-US popularity.
+          node scripts/reorder-search-index.mjs client/build/en-us/search-index.json client/build/de/search-index.json
+
       - name: Deploy with deployer
         env:
           # Set the CONTENT_ROOT first

Diff for: .github/workflows/prod-build.yml

@@ -312,6 +312,9 @@ jobs:
           yarn tool whatsdeployed $CONTENT_ROOT --output client/build/_whatsdeployed/content.json
           yarn tool whatsdeployed $CONTENT_TRANSLATED_ROOT --output client/build/_whatsdeployed/translated-content.json
 
+          # Sort DE search index by en-US popularity.
+          node scripts/reorder-search-index.mjs client/build/en-us/search-index.json client/build/de/search-index.json
+
       - name: Update search index
         if: ${{ ! vars.SKIP_BUILD }}
         env:

Diff for: .github/workflows/stage-build.yml

@@ -314,6 +314,9 @@ jobs:
 
           yarn rari build --issues client/build/issues.json --templ-stats
 
+          # Sort DE search index by en-US popularity.
+          node scripts/reorder-search-index.mjs client/build/en-us/search-index.json client/build/de/search-index.json
+
           # SSR all pages
           yarn render:html
 
@@ -322,6 +325,9 @@ jobs:
           yarn tool whatsdeployed $CONTENT_ROOT --output client/build/_whatsdeployed/content.json
           yarn tool whatsdeployed $CONTENT_TRANSLATED_ROOT --output client/build/_whatsdeployed/translated-content.json
 
+          # Sort DE search index by en-US popularity.
+          node scripts/reorder-search-index.mjs client/build/en-us/search-index.json client/build/de/search-index.json
+
       - name: Update search index
         if: ${{ ! vars.SKIP_BUILD }}
         env:

Diff for: .github/workflows/test-build.yml

@@ -213,6 +213,9 @@ jobs:
           yarn tool whatsdeployed $CONTENT_ROOT --output client/build/_whatsdeployed/content.json
           yarn tool whatsdeployed $CONTENT_TRANSLATED_ROOT --output client/build/_whatsdeployed/translated-content.json
 
+          # Sort DE search index by en-US popularity.
+          node scripts/reorder-search-index.mjs client/build/en-us/search-index.json client/build/de/search-index.json
+
       - name: Authenticate with GCP
         uses: google-github-actions/auth@v2
         with:

Diff for: scripts/reorder-search-index.mjs

@@ -0,0 +1,35 @@
+import { readFileSync, writeFileSync } from "node:fs";
+
+async function main() {
+  const [refPath, inputPath, outputPath = null] = process.argv.slice(2);
+
+  const readJson = (path) => JSON.parse(readFileSync(path, "utf-8"));
+  const getSlug = ({ url }) => url.replace(/^\/[^/]+\/docs\//, "");
+
+  // Read reference (e.g. "client/build/en-us/search-index.json").
+  const ref = readJson(refPath).map(getSlug);
+
+  // Read index (e.g. "client/build/de/search-index.json").
+  const input = readJson(inputPath);
+
+  const getIndex = (slug) => ref.indexOf(slug);
+
+  const result = [];
+  for (const [fromIndex, toIndex] of input
+    .map(getSlug)
+    .map(getIndex)
+    .entries()) {
+    result[toIndex] = input[fromIndex];
+  }
+
+  writeFileSync(outputPath ?? inputPath, JSON.stringify(result), "utf-8");
+}
+
+try {
+  main();
+} catch (e) {
+  console.error(e);
+  if (process.env.GITHUB_ACTIONS) {
+    console.log(`::error::${e.toString()} `);
+  }
+}