Excluded ngrx, datorama, angular, react and langchain from stream pipe query.

javascript/ql/src/Quality/UnhandledStreamPipe.ql

@@ -45,7 +45,8 @@ API::Node getNonStreamApi() {
   exists(string moduleName |
     moduleName
         .regexpMatch([
-            "rxjs(|/.*)", "@strapi(|/.*)", "highland(|/.*)", "execa(|/.*)", "arktype(|/.*)"
+            "rxjs(|/.*)", "@strapi(|/.*)", "highland(|/.*)", "execa(|/.*)", "arktype(|/.*)",
+            "@ngrx(|/.*)", "@datorama(|/.*)", "@angular(|/.*)", "react.*", "@langchain(|/.*)",
           ]) and
     result = API::moduleImport(moduleName)
   )

javascript/ql/test/query-tests/Quality/UnhandledStreamPipe/fizz-pipe.js

@@ -0,0 +1,29 @@
+import React, { Suspense } from "react";
+import { renderToPipeableStream } from "react-dom/server";
+import { PassThrough } from "stream";
+import { act } from "react-dom/test-utils";
+
+
+const writable = new PassThrough();
+let output = "";
+writable.on("data", chunk => { output += chunk.toString(); });
+writable.on("end", () => { /* stream ended */ });
+
+let errors = [];
+let shellErrors = [];
+
+await act(async () => {
+  renderToPipeableStream(
+    <Suspense fallback={<Fallback />}>
+      <Throw />
+    </Suspense>,
+    {
+      onError(err) {
+        errors.push(err.message);
+      },
+      onShellError(err) {
+        shellErrors.push(err.message);
+      }
+    }
+  ).pipe(writable);
+});

javascript/ql/test/query-tests/Quality/UnhandledStreamPipe/langchain.ts

@@ -0,0 +1,15 @@
+import { RunnablePassthrough, RunnableSequence } from "@langchain/core/runnables";
+
+const fakeRetriever = RunnablePassthrough.from((_q: string) =>
+  Promise.resolve([{ pageContent: "Hello world." }])
+);
+
+const formatDocumentsAsString = (documents: { pageContent: string }[]) =>documents.map((d) => d.pageContent).join("\n\n");
+
+const chain = RunnableSequence.from([
+  {
+    context: fakeRetriever.pipe(formatDocumentsAsString),
+    question: new RunnablePassthrough(),
+  },
+  "",
+]);

javascript/ql/test/query-tests/Quality/UnhandledStreamPipe/ngrx.ts

@@ -0,0 +1,17 @@
+import { Component } from '@angular/core';
+import { Store, select } from '@ngrx/store';
+import { Observable } from 'rxjs';
+
+@Component({
+  selector: 'minimal-example',
+  template: `
+    <div>{{ value$ | async }}</div>
+  `
+})
+export class MinimalExampleComponent {
+  value$: Observable<any>;
+
+  constructor(private store: Store<any>) {
+    this.value$ = this.store.pipe(select('someSlice'));
+  }
+}