nodejs
diff --git a/Collapse file
‎lib/internal/main/repl.js‎
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+1-1Lines changed: 1 addition & 1 deletion b/Collapse file
‎lib/internal/main/repl.js‎
Copy file name to clipboardExpand all lines: lib/internal/main/repl.js
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/Collapse file
‎test/parallel/test-repl-built-in-modules.js‎
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+16Lines changed: 16 additions & 0 deletions b/Collapse file
‎test/parallel/test-repl-built-in-modules.js‎
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+16Lines changed: 16 additions & 0 deletions
@@ -8,7 +8,6 @@ const {
   markBootstrapComplete
 } = require('internal/process/pre_execution');
 
-const esmLoader = require('internal/process/esm_loader');
 const {
   evalScript
 } = require('internal/process/execution');
@@ -34,6 +33,7 @@ if (process.env.NODE_REPL_EXTERNAL_MODULE) {
     process.exit(1);
   }
 
+  const esmLoader = require('internal/process/esm_loader');
   esmLoader.loadESM(() => {
     console.log(`Welcome to Node.js ${process.version}.\n` +
       'Type ".help" for more information.');
 
@@ -30,3 +30,19 @@ assert.doesNotMatch(
   stdout,
   /Uncaught Error: Cannot find module 'wasi'[\w\W]+- <repl>\n/);
 assert.match(stdout, /{ WASI: \[class WASI\] }/);
+
+{
+  const res = cp.execFileSync(process.execPath, ['-i'], {
+    input: "'wasi' in global",
+    encoding: 'utf8',
+  });
+  // `wasi` shouldn't be defined on global when the flag is not set
+  assert.match(res, /false\n/);
+}
+{
+  const res = cp.execFileSync(process.execPath, ['-i', '--experimental-wasi-unstable-preview1'], {
+    input: "'wasi' in global",
+    encoding: 'utf8',
+  });
+  assert.match(res, /true\n/);
+}