Try to reproduce dompurify build warning from cure53/DOMPurify#705

angular.json

@@ -33,8 +33,7 @@
             "buildOptimizer": false,
             "sourceMap": true,
             "optimization": false,
-            "namedChunks": true,
-            "allowedCommonJsDependencies": ["dompurify"]
+            "namedChunks": true
           },
           "configurations": {
             "production": {

dompurify.patch

@@ -0,0 +1,11 @@
+--- node_modules/dompurify/package.json.old	2022-08-11 10:15:37.122839016 +0100
++++ node_modules/dompurify/package.json	2022-08-11 10:15:53.130662100 +0100
+@@ -17,7 +17,7 @@
+     "test:ci": "cross-env NODE_ENV=test BABEL_ENV=rollup npm run test:jsdom && npm run test:karma -- --log-level error --reporters dots --single-run --shouldTestOnBrowserStack=\"${TEST_BROWSERSTACK}\" --shouldProbeOnly=\"${TEST_PROBE_ONLY}\"",
+     "test": "cross-env NODE_ENV=test BABEL_ENV=rollup npm run lint &&  npm run test:jsdom && npm run test:karma -- --browsers Chrome"
+   },
+-  "main": "dist/purify.cjs.js",
++  "main": "dist/purify.es.js",
+   "module": "dist/purify.es.js",
+   "browser": "dist/purify.js",
+   "files": [

dompurify_repro.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+(cd node_modules/dompurify && npx -p typescript tsc dist/*.js --declaration --allowJs --emitDeclarationOnly --outDir dist)
+
+patch -u node_modules/dompurify/package.json -i dompurify.patch
+
+npx ng build --configuration production | grep dompurify
+

src/app/markdown/markdownify.pipe.ts

@@ -15,7 +15,7 @@
  */
 
 import { Pipe, PipeTransform } from '@angular/core';
-import * as DOMPurify from 'dompurify';
+import DOMPurify from 'dompurify';
 import snarkdown from 'snarkdown';
 
 @Pipe({

tsconfig.json

@@ -16,7 +16,8 @@
     "importHelpers": true,
     "target": "es2020",
     "module": "es2020",
-    "lib": ["es2018", "dom"]
+    "lib": ["es2018", "dom"],
+    "traceResolution": true
   },
   "angularCompilerOptions": {
     "strictInjectionParameters": true,