lib: restore `global.module` after --eval code is run

PR-URL: https://github.com/nodejs/node/pull/27587
Fixes: https://github.com/nodejs/node/issues/27575
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: John-David Dalton <john.david.dalton@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/internal/process/execution.js b/lib/internal/process/execution.js
index c95567c506..5eda7541c8 100644
--- a/lib/internal/process/execution.js
+++ b/lib/internal/process/execution.js
@@ -55,6 +55,7 @@ function evalScript(name, body, breakFirstLine, printResult) {
   const { kVmBreakFirstLineSymbol } = require('internal/util');
 
   const cwd = tryGetCwd();
+  const origModule = global.module;  // Set e.g. when called from the REPL.
 
   const module = new CJSModule(name);
   module.filename = path.join(cwd, name);
@@ -79,6 +80,9 @@ function evalScript(name, body, breakFirstLine, printResult) {
     const { kStdout, print } = require('internal/util/print');
     print(kStdout, result);
   }
+
+  if (origModule !== undefined)
+    global.module = origModule;
 }
 
 const exceptionHandlerState = { captureFn: null };