diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 2f1fd4610d664..ac4f95611316a 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -14867,17 +14867,23 @@ namespace ts {
                 case "console":
                     return Diagnostics.Cannot_find_name_0_Do_you_need_to_change_your_target_library_Try_changing_the_lib_compiler_option_to_include_dom;
                 case "$":
-                    return Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery_and_then_add_jquery_to_the_types_field_in_your_tsconfig;
+                    return compilerOptions.types
+                        ? Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery_and_then_add_jquery_to_the_types_field_in_your_tsconfig
+                        : Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_jQuery_Try_npm_i_types_Slashjquery;
                 case "describe":
                 case "suite":
                 case "it":
                 case "test":
-                    return Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashjest_or_npm_i_types_Slashmocha_and_then_add_jest_or_mocha_to_the_types_field_in_your_tsconfig;
+                    return compilerOptions.types
+                        ? Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashjest_or_npm_i_types_Slashmocha_and_then_add_jest_or_mocha_to_the_types_field_in_your_tsconfig
+                        : Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_a_test_runner_Try_npm_i_types_Slashjest_or_npm_i_types_Slashmocha;
                 case "process":
                 case "require":
                 case "Buffer":
                 case "module":
-                    return Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode_and_then_add_node_to_the_types_field_in_your_tsconfig;
+                    return compilerOptions.types
+                        ? Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode_and_then_add_node_to_the_types_field_in_your_tsconfig
+                        : Diagnostics.Cannot_find_name_0_Do_you_need_to_install_type_definitions_for_node_Try_npm_i_types_Slashnode;
                 case "Map":
                 case "Set":
                 case "Promise":
diff --git a/src/compiler/diagnosticMessages.json b/src/compiler/diagnosticMessages.json
index 49de7783840a9..68fbb52cc3775 100644
--- a/src/compiler/diagnosticMessages.json
+++ b/src/compiler/diagnosticMessages.json
@@ -2100,15 +2100,15 @@
         "category": "Error",
         "code": 2577
     },
-    "Cannot find name '{0}'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.": {
+    "Cannot find name '{0}'. Do you need to install type definitions for node? Try `npm i @types/node`.": {
         "category": "Error",
         "code": 2580
     },
-    "Cannot find name '{0}'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery` and then add `jquery` to the types field in your tsconfig.": {
+    "Cannot find name '{0}'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery`.": {
         "category": "Error",
         "code": 2581
     },
-    "Cannot find name '{0}'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.": {
+    "Cannot find name '{0}'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.": {
         "category": "Error",
         "code": 2582
     },
@@ -2144,6 +2144,18 @@
         "category": "Error",
         "code": 2590
     },
+    "Cannot find name '{0}'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.": {
+        "category": "Error",
+        "code": 2591
+    },
+    "Cannot find name '{0}'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery` and then add `jquery` to the types field in your tsconfig.": {
+        "category": "Error",
+        "code": 2592
+    },
+    "Cannot find name '{0}'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.": {
+        "category": "Error",
+        "code": 2593
+    },
     "JSX element attributes type '{0}' may not be a union type.": {
         "category": "Error",
         "code": 2600
diff --git a/tests/baselines/reference/anonymousModules.errors.txt b/tests/baselines/reference/anonymousModules.errors.txt
index 24468352d03a4..b81513cfbbd33 100644
--- a/tests/baselines/reference/anonymousModules.errors.txt
+++ b/tests/baselines/reference/anonymousModules.errors.txt
@@ -1,22 +1,22 @@
-tests/cases/compiler/anonymousModules.ts(1,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/anonymousModules.ts(1,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/anonymousModules.ts(1,8): error TS1005: ';' expected.
-tests/cases/compiler/anonymousModules.ts(4,2): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/anonymousModules.ts(4,2): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/anonymousModules.ts(4,9): error TS1005: ';' expected.
-tests/cases/compiler/anonymousModules.ts(10,2): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/anonymousModules.ts(10,2): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/anonymousModules.ts(10,9): error TS1005: ';' expected.
 
 
 ==== tests/cases/compiler/anonymousModules.ts (6 errors) ====
     module {
     ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
            ~
 !!! error TS1005: ';' expected.
     	export var foo = 1;
     
     	module {
     	~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
     	       ~
 !!! error TS1005: ';' expected.
     		export var bar = 1;
@@ -26,7 +26,7 @@ tests/cases/compiler/anonymousModules.ts(10,9): error TS1005: ';' expected.
     
     	module {
     	~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
     	       ~
 !!! error TS1005: ';' expected.
     		var x = bar;
diff --git a/tests/baselines/reference/conflictingCommonJSES2015Exports.errors.txt b/tests/baselines/reference/conflictingCommonJSES2015Exports.errors.txt
index 717ed95a5052c..2f47712c9db80 100644
--- a/tests/baselines/reference/conflictingCommonJSES2015Exports.errors.txt
+++ b/tests/baselines/reference/conflictingCommonJSES2015Exports.errors.txt
@@ -1,11 +1,11 @@
-tests/cases/conformance/salsa/bug24934.js(2,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/salsa/bug24934.js(2,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 
 
 ==== tests/cases/conformance/salsa/bug24934.js (1 errors) ====
     export function abc(a, b, c) { return 5; }
     module.exports = { abc };
     ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 ==== tests/cases/conformance/salsa/use.js (0 errors) ====
     import { abc } from './bug24934';
     abc(1, 2, 3);
diff --git a/tests/baselines/reference/constructorWithIncompleteTypeAnnotation.errors.txt b/tests/baselines/reference/constructorWithIncompleteTypeAnnotation.errors.txt
index 2fbd47409dd98..07a11fafd3328 100644
--- a/tests/baselines/reference/constructorWithIncompleteTypeAnnotation.errors.txt
+++ b/tests/baselines/reference/constructorWithIncompleteTypeAnnotation.errors.txt
@@ -1,5 +1,5 @@
 tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(11,13): error TS2503: Cannot find namespace 'module'.
-tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(11,13): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(11,13): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(11,19): error TS1005: ';' expected.
 tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(22,35): error TS1005: ')' expected.
 tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(22,39): error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
@@ -105,7 +105,7 @@ tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(261,1): error TS
                 ~~~~~~
 !!! error TS2503: Cannot find namespace 'module'.
                 ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                       ~
 !!! error TS1005: ';' expected.
     
diff --git a/tests/baselines/reference/didYouMeanSuggestionErrors.errors.txt b/tests/baselines/reference/didYouMeanSuggestionErrors.errors.txt
index 9bf043562d97b..a41b19ecd9d60 100644
--- a/tests/baselines/reference/didYouMeanSuggestionErrors.errors.txt
+++ b/tests/baselines/reference/didYouMeanSuggestionErrors.errors.txt
@@ -1,14 +1,14 @@
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(1,1): error TS2582: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(2,5): error TS2582: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(3,19): error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery` and then add `jquery` to the types field in your tsconfig.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(7,1): error TS2582: Cannot find name 'suite'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(8,5): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(1,1): error TS2582: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(2,5): error TS2582: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(3,19): error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery`.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(7,1): error TS2582: Cannot find name 'suite'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(8,5): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/didYouMeanSuggestionErrors.ts(9,9): error TS2584: Cannot find name 'console'. Do you need to change your target library? Try changing the `lib` compiler option to include 'dom'.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(9,21): error TS2580: Cannot find name 'process'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(9,21): error TS2580: Cannot find name 'process'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/didYouMeanSuggestionErrors.ts(10,9): error TS2584: Cannot find name 'document'. Do you need to change your target library? Try changing the `lib` compiler option to include 'dom'.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(12,19): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(13,19): error TS2580: Cannot find name 'Buffer'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/compiler/didYouMeanSuggestionErrors.ts(14,19): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(12,19): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(13,19): error TS2580: Cannot find name 'Buffer'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/compiler/didYouMeanSuggestionErrors.ts(14,19): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/didYouMeanSuggestionErrors.ts(16,23): error TS2583: Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.
 tests/cases/compiler/didYouMeanSuggestionErrors.ts(17,23): error TS2583: Cannot find name 'Set'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.
 tests/cases/compiler/didYouMeanSuggestionErrors.ts(18,23): error TS2583: Cannot find name 'WeakMap'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.
@@ -22,40 +22,40 @@ tests/cases/compiler/didYouMeanSuggestionErrors.ts(24,18): error TS2583: Cannot
 ==== tests/cases/compiler/didYouMeanSuggestionErrors.ts (19 errors) ====
     describe("my test suite", () => {
     ~~~~~~~~
-!!! error TS2582: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
         it("should run", () => {
         ~~
-!!! error TS2582: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
             const a = $(".thing");
                       ~
-!!! error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery` and then add `jquery` to the types field in your tsconfig.
+!!! error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery`.
         });
     });
     
     suite("another suite", () => {
     ~~~~~
-!!! error TS2582: Cannot find name 'suite'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'suite'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
         test("everything else", () => {
         ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
             console.log(process.env);
             ~~~~~~~
 !!! error TS2584: Cannot find name 'console'. Do you need to change your target library? Try changing the `lib` compiler option to include 'dom'.
                         ~~~~~~~
-!!! error TS2580: Cannot find name 'process'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'process'. Do you need to install type definitions for node? Try `npm i @types/node`.
             document.createElement("div");
             ~~~~~~~~
 !!! error TS2584: Cannot find name 'document'. Do you need to change your target library? Try changing the `lib` compiler option to include 'dom'.
     
             const x = require("fs");
                       ~~~~~~~
-!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
             const y = Buffer.from([]);
                       ~~~~~~
-!!! error TS2580: Cannot find name 'Buffer'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'Buffer'. Do you need to install type definitions for node? Try `npm i @types/node`.
             const z = module.exports;
                       ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
     
             const a = new Map();
                           ~~~
diff --git a/tests/baselines/reference/externModule.errors.txt b/tests/baselines/reference/externModule.errors.txt
index 8e95e2c8101f3..d30cd737ab1ad 100644
--- a/tests/baselines/reference/externModule.errors.txt
+++ b/tests/baselines/reference/externModule.errors.txt
@@ -1,6 +1,6 @@
 tests/cases/compiler/externModule.ts(1,1): error TS2304: Cannot find name 'declare'.
 tests/cases/compiler/externModule.ts(1,9): error TS1005: ';' expected.
-tests/cases/compiler/externModule.ts(1,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/externModule.ts(1,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/externModule.ts(1,16): error TS1005: ';' expected.
 tests/cases/compiler/externModule.ts(3,10): error TS2391: Function implementation is missing or not immediately following the declaration.
 tests/cases/compiler/externModule.ts(4,10): error TS2391: Function implementation is missing or not immediately following the declaration.
@@ -21,7 +21,7 @@ tests/cases/compiler/externModule.ts(37,3): error TS2552: Cannot find name 'XDat
             ~~~~~~
 !!! error TS1005: ';' expected.
             ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                    ~
 !!! error TS1005: ';' expected.
         export class XDate {
diff --git a/tests/baselines/reference/fixSignatureCaching.errors.txt b/tests/baselines/reference/fixSignatureCaching.errors.txt
index ad992cae7dbc7..bf4400313b2ef 100644
--- a/tests/baselines/reference/fixSignatureCaching.errors.txt
+++ b/tests/baselines/reference/fixSignatureCaching.errors.txt
@@ -50,9 +50,9 @@ tests/cases/conformance/fixSignatureCaching.ts(915,36): error TS2339: Property '
 tests/cases/conformance/fixSignatureCaching.ts(915,53): error TS2339: Property 'mobileDetectRules' does not exist on type '{}'.
 tests/cases/conformance/fixSignatureCaching.ts(955,42): error TS2339: Property 'mobileGrade' does not exist on type '{}'.
 tests/cases/conformance/fixSignatureCaching.ts(964,57): error TS2339: Property 'getDeviceSmallerSide' does not exist on type '{}'.
-tests/cases/conformance/fixSignatureCaching.ts(978,16): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/conformance/fixSignatureCaching.ts(978,42): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/conformance/fixSignatureCaching.ts(979,37): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/fixSignatureCaching.ts(978,16): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/conformance/fixSignatureCaching.ts(978,42): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/conformance/fixSignatureCaching.ts(979,37): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/fixSignatureCaching.ts(980,23): error TS2304: Cannot find name 'define'.
 tests/cases/conformance/fixSignatureCaching.ts(980,48): error TS2304: Cannot find name 'define'.
 tests/cases/conformance/fixSignatureCaching.ts(981,16): error TS2304: Cannot find name 'define'.
@@ -1143,12 +1143,12 @@ tests/cases/conformance/fixSignatureCaching.ts(983,44): error TS2339: Property '
     })((function (undefined) {
         if (typeof module !== 'undefined' && module.exports) {
                    ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                                              ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
             return function (factory) { module.exports = factory(); };
                                         ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
         } else if (typeof define === 'function' && define.amd) {
                           ~~~~~~
 !!! error TS2304: Cannot find name 'define'.
diff --git a/tests/baselines/reference/innerModExport1.errors.txt b/tests/baselines/reference/innerModExport1.errors.txt
index 1278afcb4d374..29ce225dfa25b 100644
--- a/tests/baselines/reference/innerModExport1.errors.txt
+++ b/tests/baselines/reference/innerModExport1.errors.txt
@@ -1,4 +1,4 @@
-tests/cases/compiler/innerModExport1.ts(5,5): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/innerModExport1.ts(5,5): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/innerModExport1.ts(5,12): error TS1005: ';' expected.
 
 
@@ -9,7 +9,7 @@ tests/cases/compiler/innerModExport1.ts(5,12): error TS1005: ';' expected.
         var non_export_var: number;
         module {
         ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                ~
 !!! error TS1005: ';' expected.
             var non_export_var = 0;
diff --git a/tests/baselines/reference/innerModExport2.errors.txt b/tests/baselines/reference/innerModExport2.errors.txt
index ffd136f1a6576..21cc583c5d3c0 100644
--- a/tests/baselines/reference/innerModExport2.errors.txt
+++ b/tests/baselines/reference/innerModExport2.errors.txt
@@ -1,4 +1,4 @@
-tests/cases/compiler/innerModExport2.ts(5,5): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/innerModExport2.ts(5,5): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/innerModExport2.ts(5,12): error TS1005: ';' expected.
 tests/cases/compiler/innerModExport2.ts(7,20): error TS2395: Individual declarations in merged declaration 'export_var' must be all exported or all local.
 tests/cases/compiler/innerModExport2.ts(13,9): error TS2395: Individual declarations in merged declaration 'export_var' must be all exported or all local.
@@ -12,7 +12,7 @@ tests/cases/compiler/innerModExport2.ts(20,7): error TS2339: Property 'NonExport
         var non_export_var: number;
         module {
         ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                ~
 !!! error TS1005: ';' expected.
             var non_export_var = 0;
diff --git a/tests/baselines/reference/jsxAndTypeAssertion.errors.txt b/tests/baselines/reference/jsxAndTypeAssertion.errors.txt
index c67e9c70dfd26..6d3f6874a88b1 100644
--- a/tests/baselines/reference/jsxAndTypeAssertion.errors.txt
+++ b/tests/baselines/reference/jsxAndTypeAssertion.errors.txt
@@ -1,5 +1,5 @@
 tests/cases/conformance/jsx/jsxAndTypeAssertion.tsx(6,6): error TS17008: JSX element 'any' has no corresponding closing tag.
-tests/cases/conformance/jsx/jsxAndTypeAssertion.tsx(6,13): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/conformance/jsx/jsxAndTypeAssertion.tsx(6,13): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/conformance/jsx/jsxAndTypeAssertion.tsx(6,17): error TS1005: '}' expected.
 tests/cases/conformance/jsx/jsxAndTypeAssertion.tsx(8,6): error TS17008: JSX element 'any' has no corresponding closing tag.
 tests/cases/conformance/jsx/jsxAndTypeAssertion.tsx(10,6): error TS17008: JSX element 'foo' has no corresponding closing tag.
@@ -24,7 +24,7 @@ tests/cases/conformance/jsx/jsxAndTypeAssertion.tsx(21,1): error TS1005: '</' ex
          ~~~
 !!! error TS17008: JSX element 'any' has no corresponding closing tag.
                 ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
                     ~
 !!! error TS1005: '}' expected.
     
diff --git a/tests/baselines/reference/metadataImportType.errors.txt b/tests/baselines/reference/metadataImportType.errors.txt
index b7e46cc41d41c..2b0f709736ded 100644
--- a/tests/baselines/reference/metadataImportType.errors.txt
+++ b/tests/baselines/reference/metadataImportType.errors.txt
@@ -1,4 +1,4 @@
-tests/cases/compiler/metadataImportType.ts(2,6): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/metadataImportType.ts(2,6): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/metadataImportType.ts(3,15): error TS2307: Cannot find module './b'.
 
 
@@ -6,7 +6,7 @@ tests/cases/compiler/metadataImportType.ts(3,15): error TS2307: Cannot find modu
     export class A {
         @test
          ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
         b: import('./b').B
                   ~~~~~
 !!! error TS2307: Cannot find module './b'.
diff --git a/tests/baselines/reference/moduleExports1.errors.txt b/tests/baselines/reference/moduleExports1.errors.txt
index 6beca6f2051af..03d21d86b8a08 100644
--- a/tests/baselines/reference/moduleExports1.errors.txt
+++ b/tests/baselines/reference/moduleExports1.errors.txt
@@ -1,5 +1,5 @@
-tests/cases/compiler/moduleExports1.ts(13,6): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/compiler/moduleExports1.ts(13,22): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/moduleExports1.ts(13,6): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/compiler/moduleExports1.ts(13,22): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 
 
 ==== tests/cases/compiler/moduleExports1.ts (2 errors) ====
@@ -17,6 +17,6 @@ tests/cases/compiler/moduleExports1.ts(13,22): error TS2580: Cannot find name 'm
     
     if (!module.exports) module.exports = "";
          ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                          ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
\ No newline at end of file
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
\ No newline at end of file
diff --git a/tests/baselines/reference/moduleKeywordRepeatError.errors.txt b/tests/baselines/reference/moduleKeywordRepeatError.errors.txt
index a790c974fb967..65a81c192139b 100644
--- a/tests/baselines/reference/moduleKeywordRepeatError.errors.txt
+++ b/tests/baselines/reference/moduleKeywordRepeatError.errors.txt
@@ -1,4 +1,4 @@
-tests/cases/compiler/moduleKeywordRepeatError.ts(3,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/moduleKeywordRepeatError.ts(3,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/moduleKeywordRepeatError.ts(3,15): error TS1005: ';' expected.
 
 
@@ -7,6 +7,6 @@ tests/cases/compiler/moduleKeywordRepeatError.ts(3,15): error TS1005: ';' expect
     
     module.module { }
     ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                   ~
 !!! error TS1005: ';' expected.
\ No newline at end of file
diff --git a/tests/baselines/reference/noAssertForUnparseableTypedefs.errors.txt b/tests/baselines/reference/noAssertForUnparseableTypedefs.errors.txt
index dde502427dd4d..b131c8adac071 100644
--- a/tests/baselines/reference/noAssertForUnparseableTypedefs.errors.txt
+++ b/tests/baselines/reference/noAssertForUnparseableTypedefs.errors.txt
@@ -1,4 +1,4 @@
-tests/cases/conformance/jsdoc/bug26693.js(1,15): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/jsdoc/bug26693.js(1,15): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/jsdoc/bug26693.js(1,21): error TS1005: '}' expected.
 tests/cases/conformance/jsdoc/bug26693.js(2,22): error TS2307: Cannot find module 'nope'.
 
@@ -6,7 +6,7 @@ tests/cases/conformance/jsdoc/bug26693.js(2,22): error TS2307: Cannot find modul
 ==== tests/cases/conformance/jsdoc/bug26693.js (3 errors) ====
     /** @typedef {module:locale} hi */
                   ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                         ~
 !!! error TS1005: '}' expected.
     import { nope } from 'nope';
diff --git a/tests/baselines/reference/overloadingStaticFunctionsInFunctions.errors.txt b/tests/baselines/reference/overloadingStaticFunctionsInFunctions.errors.txt
index 57af2cbcd2ce9..56adb4706f118 100644
--- a/tests/baselines/reference/overloadingStaticFunctionsInFunctions.errors.txt
+++ b/tests/baselines/reference/overloadingStaticFunctionsInFunctions.errors.txt
@@ -1,13 +1,13 @@
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(1,14): error TS1005: '(' expected.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(2,3): error TS1128: Declaration or statement expected.
-tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(2,10): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(2,10): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(3,3): error TS1128: Declaration or statement expected.
-tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(3,10): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(3,10): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(3,15): error TS2304: Cannot find name 'name'.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(3,19): error TS1005: ',' expected.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(3,20): error TS2693: 'string' only refers to a type, but is being used as a value here.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,3): error TS1128: Declaration or statement expected.
-tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,10): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,10): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,15): error TS2304: Cannot find name 'name'.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,20): error TS1109: Expression expected.
 tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,21): error TS2693: 'any' only refers to a type, but is being used as a value here.
@@ -22,12 +22,12 @@ tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,25): error TS100
       ~~~~~~
 !!! error TS1128: Declaration or statement expected.
              ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
       static test(name:string)
       ~~~~~~
 !!! error TS1128: Declaration or statement expected.
              ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
                   ~~~~
 !!! error TS2304: Cannot find name 'name'.
                       ~
@@ -38,7 +38,7 @@ tests/cases/compiler/overloadingStaticFunctionsInFunctions.ts(4,25): error TS100
       ~~~~~~
 !!! error TS1128: Declaration or statement expected.
              ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
                   ~~~~
 !!! error TS2304: Cannot find name 'name'.
                        ~
diff --git a/tests/baselines/reference/parser509534.errors.txt b/tests/baselines/reference/parser509534.errors.txt
index 29284f19f6e6c..ff5eb131b5ce4 100644
--- a/tests/baselines/reference/parser509534.errors.txt
+++ b/tests/baselines/reference/parser509534.errors.txt
@@ -1,15 +1,15 @@
-tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509534.ts(2,14): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509534.ts(3,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509534.ts(2,14): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509534.ts(3,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509534.ts (2 errors) ====
     "use strict";
     var config = require("../config");
                  ~~~~~~~
-!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
     module.exports.route = function (server) {
     ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
      
      // General Login Page
      server.get(config.env.siteRoot + "/auth/login", function (req, res, next) {
diff --git a/tests/baselines/reference/parser509693.errors.txt b/tests/baselines/reference/parser509693.errors.txt
index ed7bc8f2be6e1..b6fbff74f33dc 100644
--- a/tests/baselines/reference/parser509693.errors.txt
+++ b/tests/baselines/reference/parser509693.errors.txt
@@ -1,10 +1,10 @@
-tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509693.ts(1,6): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509693.ts(1,22): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509693.ts(1,6): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509693.ts(1,22): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509693.ts (2 errors) ====
     if (!module.exports) module.exports = "";
          ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                          ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
\ No newline at end of file
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
\ No newline at end of file
diff --git a/tests/baselines/reference/parser519458.errors.txt b/tests/baselines/reference/parser519458.errors.txt
index bf655b5b957ed..ee13350fcbb8c 100644
--- a/tests/baselines/reference/parser519458.errors.txt
+++ b/tests/baselines/reference/parser519458.errors.txt
@@ -1,5 +1,5 @@
 tests/cases/conformance/parser/ecmascript5/RegressionTests/parser519458.ts(1,15): error TS2503: Cannot find namespace 'module'.
-tests/cases/conformance/parser/ecmascript5/RegressionTests/parser519458.ts(1,15): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/parser/ecmascript5/RegressionTests/parser519458.ts(1,15): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/parser/ecmascript5/RegressionTests/parser519458.ts(1,21): error TS1005: ';' expected.
 
 
@@ -8,7 +8,7 @@ tests/cases/conformance/parser/ecmascript5/RegressionTests/parser519458.ts(1,21)
                   ~~~~~~
 !!! error TS2503: Cannot find namespace 'module'.
                   ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                         ~
 !!! error TS1005: ';' expected.
     
\ No newline at end of file
diff --git a/tests/baselines/reference/parser521128.errors.txt b/tests/baselines/reference/parser521128.errors.txt
index e74ac9a2f055d..910c4217b4f75 100644
--- a/tests/baselines/reference/parser521128.errors.txt
+++ b/tests/baselines/reference/parser521128.errors.txt
@@ -1,10 +1,10 @@
-tests/cases/conformance/parser/ecmascript5/RegressionTests/parser521128.ts(1,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/parser/ecmascript5/RegressionTests/parser521128.ts(1,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/parser/ecmascript5/RegressionTests/parser521128.ts(1,15): error TS1005: ';' expected.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/RegressionTests/parser521128.ts (2 errors) ====
     module.module { }
     ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                   ~
 !!! error TS1005: ';' expected.
\ No newline at end of file
diff --git a/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt b/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt
index be99794b1d97f..f2f695e0120a0 100644
--- a/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt
+++ b/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt
@@ -1,8 +1,8 @@
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,9): error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery` and then add `jquery` to the types field in your tsconfig.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,9): error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery`.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts (1 errors) ====
     var s = $.extend< { workItem: any }, { workItem: any, width: string }>({ workItem: this._workItem }, {});
             ~
-!!! error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery` and then add `jquery` to the types field in your tsconfig.
+!!! error TS2581: Cannot find name '$'. Do you need to install type definitions for jQuery? Try `npm i @types/jquery`.
     
\ No newline at end of file
diff --git a/tests/baselines/reference/parserharness.errors.txt b/tests/baselines/reference/parserharness.errors.txt
index 568eb370e0d6e..990fa5816c787 100644
--- a/tests/baselines/reference/parserharness.errors.txt
+++ b/tests/baselines/reference/parserharness.errors.txt
@@ -5,8 +5,8 @@ tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(19,21): er
 tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(21,29): error TS2694: Namespace 'Harness' has no exported member 'Assert'.
 tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(25,17): error TS2304: Cannot find name 'IIO'.
 tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(41,12): error TS2304: Cannot find name 'ActiveXObject'.
-tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(43,19): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(44,14): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(43,19): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(44,14): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(341,13): error TS2662: Cannot find name 'errorHandlerStack'. Did you mean the static member 'Runnable.errorHandlerStack'?
 tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(347,13): error TS2662: Cannot find name 'errorHandlerStack'. Did you mean the static member 'Runnable.errorHandlerStack'?
 tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(351,17): error TS2662: Cannot find name 'errorHandlerStack'. Did you mean the static member 'Runnable.errorHandlerStack'?
@@ -169,10 +169,10 @@ tests/cases/conformance/parser/ecmascript5/RealWorld/parserharness.ts(2030,32):
         eval(typescriptServiceFile);
     } else if (typeof require === "function") {
                       ~~~~~~~
-!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
         var vm = require('vm');
                  ~~~~~~~
-!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
         vm.runInThisContext(typescriptServiceFile, 'typescriptServices.js');
     } else {
         throw new Error('Unknown context');
diff --git a/tests/baselines/reference/reservedWords2.errors.txt b/tests/baselines/reference/reservedWords2.errors.txt
index b4af3c52916bf..437b414a69d2d 100644
--- a/tests/baselines/reference/reservedWords2.errors.txt
+++ b/tests/baselines/reference/reservedWords2.errors.txt
@@ -1,6 +1,6 @@
 tests/cases/compiler/reservedWords2.ts(1,8): error TS1109: Expression expected.
 tests/cases/compiler/reservedWords2.ts(1,14): error TS1005: '(' expected.
-tests/cases/compiler/reservedWords2.ts(1,16): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/reservedWords2.ts(1,16): error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/reservedWords2.ts(1,31): error TS1005: ')' expected.
 tests/cases/compiler/reservedWords2.ts(2,12): error TS2300: Duplicate identifier '(Missing)'.
 tests/cases/compiler/reservedWords2.ts(2,12): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
@@ -14,7 +14,7 @@ tests/cases/compiler/reservedWords2.ts(5,9): error TS2300: Duplicate identifier
 tests/cases/compiler/reservedWords2.ts(5,9): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
 tests/cases/compiler/reservedWords2.ts(5,10): error TS1003: Identifier expected.
 tests/cases/compiler/reservedWords2.ts(5,18): error TS1005: '=>' expected.
-tests/cases/compiler/reservedWords2.ts(6,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/reservedWords2.ts(6,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/compiler/reservedWords2.ts(6,8): error TS1005: ';' expected.
 tests/cases/compiler/reservedWords2.ts(7,11): error TS2300: Duplicate identifier '(Missing)'.
 tests/cases/compiler/reservedWords2.ts(7,11): error TS1005: ':' expected.
@@ -39,7 +39,7 @@ tests/cases/compiler/reservedWords2.ts(10,6): error TS1003: Identifier expected.
                  ~
 !!! error TS1005: '(' expected.
                    ~~~~~~~
-!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'require'. Do you need to install type definitions for node? Try `npm i @types/node`.
                                   ~
 !!! error TS1005: ')' expected.
     import * as  while from "foo"
@@ -72,7 +72,7 @@ tests/cases/compiler/reservedWords2.ts(10,6): error TS1003: Identifier expected.
 !!! error TS1005: '=>' expected.
     module void {}
     ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
            ~~~~
 !!! error TS1005: ';' expected.
     var {while, return} = { while: 1, return: 2 };
diff --git a/tests/baselines/reference/staticsInAFunction.errors.txt b/tests/baselines/reference/staticsInAFunction.errors.txt
index 33ca824de9936..499ab91e93f1d 100644
--- a/tests/baselines/reference/staticsInAFunction.errors.txt
+++ b/tests/baselines/reference/staticsInAFunction.errors.txt
@@ -1,13 +1,13 @@
 tests/cases/compiler/staticsInAFunction.ts(1,13): error TS1005: '(' expected.
 tests/cases/compiler/staticsInAFunction.ts(2,4): error TS1128: Declaration or statement expected.
-tests/cases/compiler/staticsInAFunction.ts(2,11): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/staticsInAFunction.ts(2,11): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/staticsInAFunction.ts(3,4): error TS1128: Declaration or statement expected.
-tests/cases/compiler/staticsInAFunction.ts(3,11): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/staticsInAFunction.ts(3,11): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/staticsInAFunction.ts(3,16): error TS2304: Cannot find name 'name'.
 tests/cases/compiler/staticsInAFunction.ts(3,20): error TS1005: ',' expected.
 tests/cases/compiler/staticsInAFunction.ts(3,21): error TS2693: 'string' only refers to a type, but is being used as a value here.
 tests/cases/compiler/staticsInAFunction.ts(4,4): error TS1128: Declaration or statement expected.
-tests/cases/compiler/staticsInAFunction.ts(4,11): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+tests/cases/compiler/staticsInAFunction.ts(4,11): error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
 tests/cases/compiler/staticsInAFunction.ts(4,16): error TS2304: Cannot find name 'name'.
 tests/cases/compiler/staticsInAFunction.ts(4,21): error TS1109: Expression expected.
 tests/cases/compiler/staticsInAFunction.ts(4,22): error TS2693: 'any' only refers to a type, but is being used as a value here.
@@ -22,12 +22,12 @@ tests/cases/compiler/staticsInAFunction.ts(4,26): error TS1005: ';' expected.
        ~~~~~~
 !!! error TS1128: Declaration or statement expected.
               ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
        static test(name:string)
        ~~~~~~
 !!! error TS1128: Declaration or statement expected.
               ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
                    ~~~~
 !!! error TS2304: Cannot find name 'name'.
                        ~
@@ -38,7 +38,7 @@ tests/cases/compiler/staticsInAFunction.ts(4,26): error TS1005: ';' expected.
        ~~~~~~
 !!! error TS1128: Declaration or statement expected.
               ~~~~
-!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`  and then add `jest` or `mocha` to the types field in your tsconfig.
+!!! error TS2582: Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha`.
                    ~~~~
 !!! error TS2304: Cannot find name 'name'.
                         ~
diff --git a/tests/baselines/reference/templateStringInModuleName.errors.txt b/tests/baselines/reference/templateStringInModuleName.errors.txt
index 3236b6da81c01..f684b305c5281 100644
--- a/tests/baselines/reference/templateStringInModuleName.errors.txt
+++ b/tests/baselines/reference/templateStringInModuleName.errors.txt
@@ -1,10 +1,10 @@
 tests/cases/conformance/es6/templates/templateStringInModuleName.ts(1,1): error TS2304: Cannot find name 'declare'.
 tests/cases/conformance/es6/templates/templateStringInModuleName.ts(1,9): error TS1005: ';' expected.
-tests/cases/conformance/es6/templates/templateStringInModuleName.ts(1,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/es6/templates/templateStringInModuleName.ts(1,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/es6/templates/templateStringInModuleName.ts(1,21): error TS1005: ';' expected.
 tests/cases/conformance/es6/templates/templateStringInModuleName.ts(4,1): error TS2304: Cannot find name 'declare'.
 tests/cases/conformance/es6/templates/templateStringInModuleName.ts(4,9): error TS1005: ';' expected.
-tests/cases/conformance/es6/templates/templateStringInModuleName.ts(4,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/es6/templates/templateStringInModuleName.ts(4,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/es6/templates/templateStringInModuleName.ts(4,24): error TS1005: ';' expected.
 
 
@@ -15,7 +15,7 @@ tests/cases/conformance/es6/templates/templateStringInModuleName.ts(4,24): error
             ~~~~~~
 !!! error TS1005: ';' expected.
             ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                         ~
 !!! error TS1005: ';' expected.
     }
@@ -26,7 +26,7 @@ tests/cases/conformance/es6/templates/templateStringInModuleName.ts(4,24): error
             ~~~~~~
 !!! error TS1005: ';' expected.
             ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                            ~
 !!! error TS1005: ';' expected.
     }
\ No newline at end of file
diff --git a/tests/baselines/reference/templateStringInModuleNameES6.errors.txt b/tests/baselines/reference/templateStringInModuleNameES6.errors.txt
index 4526bb0d79252..ecd072a757947 100644
--- a/tests/baselines/reference/templateStringInModuleNameES6.errors.txt
+++ b/tests/baselines/reference/templateStringInModuleNameES6.errors.txt
@@ -1,10 +1,10 @@
 tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(1,1): error TS2304: Cannot find name 'declare'.
 tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(1,9): error TS1005: ';' expected.
-tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(1,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(1,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(1,21): error TS1005: ';' expected.
 tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(4,1): error TS2304: Cannot find name 'declare'.
 tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(4,9): error TS1005: ';' expected.
-tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(4,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(4,9): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(4,24): error TS1005: ';' expected.
 
 
@@ -15,7 +15,7 @@ tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(4,24): er
             ~~~~~~
 !!! error TS1005: ';' expected.
             ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                         ~
 !!! error TS1005: ';' expected.
     }
@@ -26,7 +26,7 @@ tests/cases/conformance/es6/templates/templateStringInModuleNameES6.ts(4,24): er
             ~~~~~~
 !!! error TS1005: ';' expected.
             ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                            ~
 !!! error TS1005: ';' expected.
     }
\ No newline at end of file
diff --git a/tests/baselines/reference/typecheckIfCondition.errors.txt b/tests/baselines/reference/typecheckIfCondition.errors.txt
index 5a9255f7f8504..e9c3707583ed4 100644
--- a/tests/baselines/reference/typecheckIfCondition.errors.txt
+++ b/tests/baselines/reference/typecheckIfCondition.errors.txt
@@ -1,5 +1,5 @@
-tests/cases/compiler/typecheckIfCondition.ts(4,10): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
-tests/cases/compiler/typecheckIfCondition.ts(4,26): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+tests/cases/compiler/typecheckIfCondition.ts(4,10): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
+tests/cases/compiler/typecheckIfCondition.ts(4,26): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
 
 
 ==== tests/cases/compiler/typecheckIfCondition.ts (2 errors) ====
@@ -8,9 +8,9 @@ tests/cases/compiler/typecheckIfCondition.ts(4,26): error TS2580: Cannot find na
     {
         if (!module.exports) module.exports = "";
              ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
                              ~~~~~~
-!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
         var x = null; // don't want to baseline output
     }
     
\ No newline at end of file
diff --git a/tests/baselines/reference/typingsSuggestion1.errors.txt b/tests/baselines/reference/typingsSuggestion1.errors.txt
new file mode 100644
index 0000000000000..88766c2a61391
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion1.errors.txt
@@ -0,0 +1,11 @@
+tests/cases/conformance/typings/a.ts(1,1): error TS2591: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+
+
+==== tests/cases/conformance/typings/tsconfig.json (0 errors) ====
+    { "compilerOptions": {"types": []} }
+    
+==== tests/cases/conformance/typings/a.ts (1 errors) ====
+    module.exports = 1;
+    ~~~~~~
+!!! error TS2591: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node` and then add `node` to the types field in your tsconfig.
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/typingsSuggestion1.js b/tests/baselines/reference/typingsSuggestion1.js
new file mode 100644
index 0000000000000..b3ba53b1134eb
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion1.js
@@ -0,0 +1,6 @@
+//// [a.ts]
+module.exports = 1;
+
+
+//// [a.js]
+module.exports = 1;
diff --git a/tests/baselines/reference/typingsSuggestion1.symbols b/tests/baselines/reference/typingsSuggestion1.symbols
new file mode 100644
index 0000000000000..f2f77a4389fc6
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion1.symbols
@@ -0,0 +1,4 @@
+=== tests/cases/conformance/typings/a.ts ===
+module.exports = 1;
+No type information for this code.
+No type information for this code.
\ No newline at end of file
diff --git a/tests/baselines/reference/typingsSuggestion1.types b/tests/baselines/reference/typingsSuggestion1.types
new file mode 100644
index 0000000000000..3dfbb7611014e
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion1.types
@@ -0,0 +1,8 @@
+=== tests/cases/conformance/typings/a.ts ===
+module.exports = 1;
+>module.exports = 1 : 1
+>module.exports : any
+>module : any
+>exports : any
+>1 : 1
+
diff --git a/tests/baselines/reference/typingsSuggestion2.errors.txt b/tests/baselines/reference/typingsSuggestion2.errors.txt
new file mode 100644
index 0000000000000..de196446d3d00
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion2.errors.txt
@@ -0,0 +1,11 @@
+tests/cases/conformance/typings/a.ts(1,1): error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
+
+
+==== tests/cases/conformance/typings/tsconfig.json (0 errors) ====
+    { "compilerOptions": {} }
+    
+==== tests/cases/conformance/typings/a.ts (1 errors) ====
+    module.exports = 1;
+    ~~~~~~
+!!! error TS2580: Cannot find name 'module'. Do you need to install type definitions for node? Try `npm i @types/node`.
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/typingsSuggestion2.js b/tests/baselines/reference/typingsSuggestion2.js
new file mode 100644
index 0000000000000..b3ba53b1134eb
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion2.js
@@ -0,0 +1,6 @@
+//// [a.ts]
+module.exports = 1;
+
+
+//// [a.js]
+module.exports = 1;
diff --git a/tests/baselines/reference/typingsSuggestion2.symbols b/tests/baselines/reference/typingsSuggestion2.symbols
new file mode 100644
index 0000000000000..f2f77a4389fc6
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion2.symbols
@@ -0,0 +1,4 @@
+=== tests/cases/conformance/typings/a.ts ===
+module.exports = 1;
+No type information for this code.
+No type information for this code.
\ No newline at end of file
diff --git a/tests/baselines/reference/typingsSuggestion2.types b/tests/baselines/reference/typingsSuggestion2.types
new file mode 100644
index 0000000000000..3dfbb7611014e
--- /dev/null
+++ b/tests/baselines/reference/typingsSuggestion2.types
@@ -0,0 +1,8 @@
+=== tests/cases/conformance/typings/a.ts ===
+module.exports = 1;
+>module.exports = 1 : 1
+>module.exports : any
+>module : any
+>exports : any
+>1 : 1
+
diff --git a/tests/cases/conformance/typings/typingsSuggestion1.ts b/tests/cases/conformance/typings/typingsSuggestion1.ts
new file mode 100644
index 0000000000000..68efd308b6d7f
--- /dev/null
+++ b/tests/cases/conformance/typings/typingsSuggestion1.ts
@@ -0,0 +1,5 @@
+// @filename: tsconfig.json
+{ "compilerOptions": {"types": []} }
+
+// @filename: a.ts
+module.exports = 1;
diff --git a/tests/cases/conformance/typings/typingsSuggestion2.ts b/tests/cases/conformance/typings/typingsSuggestion2.ts
new file mode 100644
index 0000000000000..013155dedd7f5
--- /dev/null
+++ b/tests/cases/conformance/typings/typingsSuggestion2.ts
@@ -0,0 +1,5 @@
+// @filename: tsconfig.json
+{ "compilerOptions": {} }
+
+// @filename: a.ts
+module.exports = 1;