Speed up generated JS demos check

.github/workflows/visual-tests-demos.yml

@@ -435,26 +435,58 @@ jobs:
         path: apps/demos
       continue-on-error: true
 
+    - name: Detect changed React TS demos
+      id: changed-react-demos
+      working-directory: apps/demos
+      run: |
+        if [ ! -f "changed-files.json" ]; then
+          echo "changed-files.json not found, skipping generated JS demos check"
+          echo "has-react-demos=false" >> $GITHUB_OUTPUT
+          exit 0
+        fi
+
+        jq -r '.[].filename' changed-files.json \
+          | grep '/React/' \
+          | grep -E '\.tsx?$' \
+          | sed 's|^apps/demos/||' \
+          | sed -E 's|/[^/]*\.tsx?$||' \
+          | sort \
+          | uniq > changed-react-demos.txt || true
+
+        if [ -s changed-react-demos.txt ]; then
+          echo "Changed React demos:"
+          cat changed-react-demos.txt
+          echo "has-react-demos=true" >> $GITHUB_OUTPUT
+        else
+          echo "No React demos found in changed files, skipping conversion"
+          echo "has-react-demos=false" >> $GITHUB_OUTPUT
+        fi
+
     - uses: pnpm/action-setup@v6
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       with:
         run_install: false
 
     - name: Use Node.js
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       uses: actions/setup-node@v6
       with:
         node-version-file: '.node-version'
 
     - name: Download devextreme sources
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       uses: actions/download-artifact@v8
       with:
         name: devextreme-sources
 
     - name: Get pnpm store directory
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       shell: bash
       run: |
         echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
 
     - uses: actions/cache/restore@v5
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       name: Restore pnpm cache
       with:
         path: ${{ env.STORE_PATH }}
@@ -463,38 +495,25 @@ jobs:
           ${{ runner.os }}-pnpm-cache
 
     - name: Install dependencies
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       run: pnpm install --frozen-lockfile
 
     - name: Install tgz
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       working-directory: apps/demos
       run: pnpm add ../../devextreme-installer.tgz ../../devextreme-dist-installer.tgz ../../devextreme-react-installer.tgz ../../devextreme-vue-installer.tgz ../../devextreme-angular-installer.tgz
 
     - name: Prepare JS
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       working-directory: apps/demos
       run: pnpm run prepare-js
 
     - name: Check generated JS demos
+      if: steps.changed-react-demos.outputs.has-react-demos == 'true'
       working-directory: apps/demos
       run: |
-        if [ -f "changed-files.json" ]; then
-          echo "Running convert-to-js on changed files only"
-
-          CHANGED_DEMOS=$(jq -r '.[].filename' changed-files.json | grep '/React/' | grep '\.tsx$' | sed 's|^apps/demos/||' | sed 's|/[^/]*\.tsx$||' | sort | uniq)
-
-          if [ -z "$CHANGED_DEMOS" ]; then
-            echo "No React demos found in changed files, skipping conversion"
-          else
-            echo "Changed React demos:"
-            echo "$CHANGED_DEMOS"
-
-            echo "$CHANGED_DEMOS" | while read -r demo_dir; do
-              if [ ! -z "$demo_dir" ]; then
-                echo "Converting: $demo_dir"
-                pnpm run convert-to-js "$demo_dir"
-              fi
-            done
-          fi
-        fi
+        echo "Running convert-to-js on changed files only"
+        xargs -r pnpm run convert-to-js < changed-react-demos.txt
 
         git add ./Demos -N
 
@@ -520,7 +539,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        CONSTEL: ['1/5', '2/5', '3/5', '4/5', '5/5']
+        CONSTEL: ['1/2', '2/2']
 
     steps:
     - name: Get sources
@@ -1300,4 +1319,3 @@ jobs:
           name: csp-violations-report
           path: apps/demos/csp-reports/
           if-no-files-found: ignore
-

apps/demos/Demos/Diagram/AdvancedDataBinding/React/App.tsx

@@ -46,7 +46,7 @@ function itemTextStyleExpr(obj: { level: string; }) {
 }
 
 function itemStyleExpr(obj: { type: string; }) {
-  const style: React.CSSProperties = { stroke: '#444444' };
+  const style: { stroke: string; fill?: string } = { stroke: '#444444' };
   if (obj.type === 'group') {
     style.fill = '#f3f3f3';
   }

apps/demos/Demos/VectorMap/ImageMarkers/React/devextreme-vectormap-data.d.ts

@@ -0,0 +1,27 @@
+declare module 'devextreme-dist/js/vectormap-data/usa.js' {
+  type Position = number[];
+  type Geometry =
+    | { type: 'Point'; coordinates: Position }
+    | { type: 'MultiPoint'; coordinates: Position[] }
+    | { type: 'LineString'; coordinates: Position[] }
+    | { type: 'MultiLineString'; coordinates: Position[][] }
+    | { type: 'Polygon'; coordinates: Position[][] }
+    | { type: 'MultiPolygon'; coordinates: Position[][][] };
+
+  interface Feature {
+    type: 'Feature';
+    geometry: Geometry;
+    properties: Record<string, unknown>;
+  }
+
+  interface FeatureCollection {
+    type: 'FeatureCollection';
+    features: Feature[];
+    // eslint-disable-next-line spellcheck/spell-checker
+    bbox?: number[];
+  }
+
+  const usa: FeatureCollection;
+  export { usa };
+  export default usa;
+}

apps/demos/Demos/VectorMap/MultipleLayers/React/devextreme-vectormap-data.d.ts

@@ -0,0 +1,27 @@
+declare module 'devextreme-dist/js/vectormap-data/world.js' {
+  type Position = number[];
+  type Geometry =
+    | { type: 'Point'; coordinates: Position }
+    | { type: 'MultiPoint'; coordinates: Position[] }
+    | { type: 'LineString'; coordinates: Position[] }
+    | { type: 'MultiLineString'; coordinates: Position[][] }
+    | { type: 'Polygon'; coordinates: Position[][] }
+    | { type: 'MultiPolygon'; coordinates: Position[][][] };
+
+  interface Feature {
+    type: 'Feature';
+    geometry: Geometry;
+    properties: Record<string, unknown>;
+  }
+
+  interface FeatureCollection {
+    type: 'FeatureCollection';
+    features: Feature[];
+    // eslint-disable-next-line spellcheck/spell-checker
+    bbox?: number[];
+  }
+
+  const world: FeatureCollection;
+  export { world };
+  export default world;
+}

apps/demos/utils/ts-to-js-converter/cli.ts

@@ -5,7 +5,19 @@ import { glob } from 'glob';
 import { consola } from 'consola';
 import fs from 'fs';
 
-import { converter } from './converter';
+import { converter, prettifyOutputs, splitArrayIntoSubarrays } from './converter';
+import { ActionConverterEntry } from './types';
+
+const defaultConversionConcurrency = 8;
+
+const logger = {
+  warning: consola.warn,
+  error: consola.error,
+  debug: consola.debug,
+  info: consola.info,
+  start: consola.start,
+  success: consola.success,
+};
 
 function findFoldersWithTsxFiles(directory) {
   const foldersWithTsxFiles = [];
@@ -51,16 +63,7 @@ const getPatterns = () => {
   return filteredDemos.map((demoName) => demoName.split(path.sep).join(path.posix.sep));
 };
 
-const performConversion = async (patterns) => {
-  const logger = {
-    warning: consola.warn,
-    error: consola.error,
-    debug: consola.debug,
-    info: consola.info,
-    start: consola.start,
-    success: consola.success,
-  };
-
+const performConversion = async (patterns, conversionConcurrency) => {
   const args = minimist(patterns);
 
   const sourceDirs = args._ || [process.cwd()];
@@ -81,57 +84,82 @@ const performConversion = async (patterns) => {
   // @ts-ignore
   )).flat(1);
 
-  await Promise.all(
-    entries.map(async ({ source, out }) => {
-      logger.start(`converting ${source}`);
-      await converter(source, out, logger);
-      logger.success(`${source} complete`);
-    }),
-  )
-    // eslint-disable-next-line no-void
-    .then(void 0)
-    .catch((error) => {
-      logger.error(error);
-      process.exit(1);
-    });
+  const outDirs: (string | null)[] = [];
+  let failedCount = 0;
+  const entryBatches = splitArrayIntoSubarrays<ActionConverterEntry>(
+    entries,
+    conversionConcurrency,
+  );
+
+  for (const entryBatch of entryBatches) {
+    outDirs.push(...await Promise.all(
+      entryBatch.map(async ({ source, out }) => {
+        logger.start(`converting ${source}`);
+        try {
+          const converted = await converter(source, out, logger);
+          if (converted) {
+            logger.success(`${source} complete`);
+          }
+          return converted ? out : null;
+        } catch {
+          logger.error(`failed converting ${source}`);
+          failedCount += 1;
+          return null;
+        }
+      }),
+    ));
+  }
+
+  return {
+    outDirs: outDirs.filter((outDir): outDir is string => outDir != null),
+    failedCount,
+  };
 };
 
-function splitArrayIntoSubarrays(array, subarrayLength) {
-  const result = [];
+function getConversionConcurrency() {
+  const rawValue = process.env.CONVERT_TO_JS_CONCURRENCY;
+  const parsedValue = rawValue == null ? defaultConversionConcurrency : Number(rawValue);
 
-  for (let i = 0; i < array.length; i += subarrayLength) {
-    result.push(array.slice(i, i + subarrayLength));
+  if (!Number.isInteger(parsedValue) || parsedValue < 1) {
+    throw new Error(`CONVERT_TO_JS_CONCURRENCY must be a positive integer. Received: ${rawValue}`);
   }
 
-  return result;
+  return parsedValue;
 }
 
 async function startScript() {
   const userFlags = process.argv.slice(2);
-  if (userFlags[0] === 'split') {
-    process.env.CONSTEL = '1/4';
-    consola.log('Start converting Part', process.env.CONSTEL);
-    await batchPatternsAndConvert();
-    process.env.CONSTEL = '2/4';
-    consola.log('Start converting Part', process.env.CONSTEL);
-    await batchPatternsAndConvert();
-    process.env.CONSTEL = '3/4';
-    consola.log('Start converting Part', process.env.CONSTEL);
-    await batchPatternsAndConvert();
-    process.env.CONSTEL = '4/4';
-    consola.log('Start converting Part', process.env.CONSTEL);
-    await batchPatternsAndConvert();
-  } else {
-    await batchPatternsAndConvert();
+  const parts = userFlags[0] === 'split' ? ['1/4', '2/4', '3/4', '4/4'] : [null];
+  let failedCount = 0;
+
+  for (const part of parts) {
+    if (part != null) {
+      process.env.CONSTEL = part;
+      consola.log('Start converting Part', process.env.CONSTEL);
+    }
+    failedCount += await batchPatternsAndConvert();
   }
+
+  return failedCount;
 }
 
 async function batchPatternsAndConvert() {
   const allPatterns = getPatterns();
-  const batches = splitArrayIntoSubarrays(allPatterns, 10);
-  for (const batch of batches) {
-    await performConversion(batch);
-  }
+  const conversionConcurrency = getConversionConcurrency();
+  const { outDirs, failedCount } = await performConversion(allPatterns, conversionConcurrency);
+
+  await prettifyOutputs(outDirs, process.cwd(), logger);
+
+  return failedCount;
 }
 
-startScript();
+startScript()
+  .then((failedCount) => {
+    if (failedCount > 0) {
+      process.exit(1);
+    }
+  })
+  .catch((error) => {
+    logger.error(error);
+    process.exit(1);
+  });