lib: fix TypeScript support check in jitless mode

Moved the check to assertTypeScript and improved the error message.

Author: Han5991

doc/api/errors.md

@@ -3356,7 +3356,7 @@ The WASI instance has not been started.
 
 A feature requiring WebAssembly was used, but WebAssembly is not supported or
 has been disabled in the current environment (for example, when running with
-`--jitless`).
+`--jitless`). The error message specifies which feature requires WebAssembly.
 
 <a id="ERR_WEBASSEMBLY_RESPONSE"></a>
 

lib/internal/errors.js

@@ -1905,7 +1905,9 @@ E('ERR_VM_MODULE_NOT_MODULE',
   'Provided module is not an instance of Module', Error);
 E('ERR_VM_MODULE_STATUS', 'Module status %s', Error);
 E('ERR_WASI_ALREADY_STARTED', 'WASI instance has already started', Error);
-E('ERR_WEBASSEMBLY_NOT_SUPPORTED', 'WebAssembly is not supported', Error);
+E('ERR_WEBASSEMBLY_NOT_SUPPORTED',
+  'WebAssembly is not supported in this environment, but is required for %s',
+  Error);
 E('ERR_WEBASSEMBLY_RESPONSE', 'WebAssembly response %s', TypeError);
 E('ERR_WORKER_INIT_FAILED', 'Worker initialization failure: %s', Error);
 E('ERR_WORKER_INVALID_EXEC_ARGV', (errors, msg = 'invalid execArgv flags') =>

lib/internal/modules/typescript.js

@@ -2,7 +2,6 @@
 
 const {
   ObjectPrototypeHasOwnProperty,
-  globalThis: { WebAssembly },
 } = primordials;
 const {
   validateBoolean,
@@ -19,7 +18,6 @@ const {
   ERR_INVALID_TYPESCRIPT_SYNTAX,
   ERR_UNSUPPORTED_NODE_MODULES_TYPE_STRIPPING,
   ERR_UNSUPPORTED_TYPESCRIPT_SYNTAX,
-  ERR_WEBASSEMBLY_NOT_SUPPORTED,
 } = require('internal/errors').codes;
 const { getOptionValue } = require('internal/options');
 const assert = require('internal/assert');
@@ -46,9 +44,6 @@ const getTypeScriptParsingMode = getLazy(() =>
  */
 const loadTypeScriptParser = getLazy(() => {
   assertTypeScript();
-  if (WebAssembly === undefined) {
-    throw new ERR_WEBASSEMBLY_NOT_SUPPORTED();
-  }
   const amaro = require('internal/deps/amaro/dist/index');
   return amaro.transformSync;
 });

lib/internal/util.js

@@ -46,12 +46,14 @@ const {
   SymbolPrototypeGetDescription,
   SymbolReplace,
   SymbolSplit,
+  globalThis,
 } = primordials;
 
 const {
   codes: {
     ERR_NO_CRYPTO,
     ERR_NO_TYPESCRIPT,
+    ERR_WEBASSEMBLY_NOT_SUPPORTED,
     ERR_UNKNOWN_SIGNAL,
   },
   isErrorStackTraceLimitWritable,
@@ -244,6 +246,8 @@ function assertCrypto() {
 function assertTypeScript() {
   if (noTypeScript)
     throw new ERR_NO_TYPESCRIPT();
+  if (globalThis.WebAssembly === undefined)
+    throw new ERR_WEBASSEMBLY_NOT_SUPPORTED('TypeScript');
 }
 
 /**

test/es-module/test-typescript.mjs

@@ -350,6 +350,6 @@ test('expect error when executing a TypeScript file with --jitless', async () =>
   ]);
 
   assert.match(result.stderr, /ERR_WEBASSEMBLY_NOT_SUPPORTED/);
-  assert.match(result.stderr, /WebAssembly is not supported/);
+  assert.match(result.stderr, /WebAssembly is not supported in this environment, but is required for TypeScript/);
   assert.strictEqual(result.code, 1);
 });