JavaScript: classify parser crashes consistently after pipe errors

Use the existing wrapper exit-code classification after IPC errors, avoiding a race between native prefetch failure and Java's next request. Preserve the communication-error fallback for a live wrapper. Record successful Linux and Windows runtime execution coverage.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 86598cdc-5945-4d8e-9ea4-eeb4eb4356ba

Author: paldepind

javascript/extractor/lib/typescript/README.md

@@ -91,8 +91,8 @@ executable permissions using their central-directory metadata.
 
 All four distribution runtime ZIPs have been cross-assembled and inspected.
 Installed parsing has been verified with Node.js 18.15.0 on macOS arm64 and on
-macOS x64 through Rosetta. Linux x64, Linux arm64, and Windows x64 still require
-execution on matching hosts; cross-assembling their ZIPs is not execution coverage.
+macOS x64 through Rosetta. CI integration tests have also passed on Linux x64,
+Linux arm64, and Windows x64, including Windows 2022.
 
 Native lifecycle and memory
 ---------------------------

javascript/extractor/src/com/semmle/ts/extractor/TypeScriptParser.java

@@ -369,12 +369,7 @@ private JsonObject talkToParserWrapper(JsonObject request) {
         throw getExceptionFromMalformedResponse(response, e);
       }
     } catch (IOException e) {
-      throw new CatastrophicError(
-          "Could not communicate with TypeScript parser wrapper "
-              + "(command: ."
-              + parserWrapperCommand
-              + ").",
-          e);
+      throw getExceptionFromMalformedResponse(response, e);
     }
   }
 
@@ -401,6 +396,14 @@ private RuntimeException getExceptionFromMalformedResponse(String response, Exce
     } catch (InterruptedException e1) {
       Exceptions.ignore(e, "This is for diagnostic purposes only.");
     }
+    if (e instanceof IOException) {
+      return new CatastrophicError(
+          "Could not communicate with TypeScript parser wrapper "
+              + "(command: ."
+              + parserWrapperCommand
+              + ").",
+          e);
+    }
     if (response == null) {
       return new CatastrophicError("No response from TypeScript parser wrapper", e);
     }