Also test the latest Node.js version in GitHub Actions

Hopefully this will allow us to catch bugs in new Node.js versions earlier, rather than having to wait for bug reports.

Given that `CompressionStream` is (currently) only potentially used when saving a *modified* PDF document, which is unlikely to be a common use-case in Node.js environments, let's just disable the affected unit-test for now.

.github/workflows/ci.yml

@@ -9,8 +9,9 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
+      fail-fast: false
       matrix:
-        node-version: [18, lts/*]
+        node-version: [18, lts/*, latest]
 
     steps:
       - name: Checkout repository

test/unit/annotation_spec.js

@@ -26,6 +26,7 @@ import {
   AnnotationFieldFlag,
   AnnotationFlag,
   AnnotationType,
+  isNodeJS,
   OPS,
   RenderingIntentFlag,
   stringToBytes,
@@ -34,6 +35,7 @@ import {
 import {
   CMAP_URL,
   createIdFactory,
+  getNodeVersion,
   STANDARD_FONT_DATA_URL,
   XRefMock,
 } from "./test_utils.js";
@@ -2207,6 +2209,12 @@ describe("annotation", function () {
     });
 
     it("should compress and save text", async function () {
+      if (isNodeJS && getNodeVersion().major === 21) {
+        pending(
+          "CompressionStream behaves differently in Node.js 21, " +
+            "compared to Firefox, Chrome, and Node.js 18/20."
+        );
+      }
       const textWidgetRef = Ref.get(123, 0);
       const xref = new XRefMock([
         { ref: textWidgetRef, data: textWidgetDict },

test/unit/test_utils.js

@@ -144,11 +144,22 @@ function createIdFactory(pageIndex) {
   return page._localIdFactory;
 }
 
+function getNodeVersion() {
+  if (!isNodeJS) {
+    throw new Error("getNodeVersion - only valid in Node.js environments.");
+  }
+  const [major, minor, patch] = process.versions.node
+    .split(".")
+    .map(parseFloat);
+  return { major, minor, patch };
+}
+
 export {
   buildGetDocumentParams,
   CMAP_URL,
   createIdFactory,
   DefaultFileReaderFactory,
+  getNodeVersion,
   STANDARD_FONT_DATA_URL,
   TEST_PDFS_PATH,
   XRefMock,