Add AutoImportSuggestions for UMD module export declarations instead of global keywords

Author: aminpaks

src/compiler/checker.ts

@@ -39187,7 +39187,7 @@ namespace ts {
                 if (file.moduleAugmentations.length) {
                     (augmentations || (augmentations = [])).push(file.moduleAugmentations);
                 }
-                if (file.symbol && file.symbol.globalExports) {
+                if (file.symbol && file.symbol.globalExports && (compilerOptions.allowUmdGlobalAccess || !isExternalOrCommonJsModule(file))) {
                     // Merge in UMD exports with first-in-wins semantics (see #9771)
                     const source = file.symbol.globalExports;
                     source.forEach((sourceSymbol, id) => {

tests/cases/fourslash/importNameCodeFixNewImportExportEqualES2015.ts renamed to tests/cases/fourslash/completionsImport_UmdModules.ts

@@ -4,29 +4,22 @@
 //// { "dependencies": { "@types/classnames": "*" } }
 
 // @filename: /tsconfig.json
-//// {
-////   "compilerOptions": {
-////     "module": "esnext",
-////     "target": "es2015",
-////     "esModuleInterop": true,
-////     "allowSyntheticDefaultImports": true
-////   }
-//// }
+//// {}
 
 // @filename: /node_modules/@types/classnames/package.json
 //// { "name": "@types/classnames", "types": "index.d.ts" }
 
 // @filename: /node_modules/@types/classnames/index.d.ts
-//// declare const classNames = () => string;
+//// declare const classNames: () => string;
 //// export = classNames;
+//// export as namespace classNames;
 
 // @filename: /SomeReactComponent.tsx
 //// import * as React from 'react';
 ////
-//// const el = <div className={class/*0*/}>foo</div>;
-//// const el = <div className={classNames/*1*/}>foo</div>;
+//// const el1 = <div className={class/*1*/}>foo</div>;
 
-goTo.marker("0");
+goTo.marker("1");
 
 verify.completions({
   includes: [{
@@ -39,14 +32,3 @@ verify.completions({
       includeCompletionsForModuleExports: true,
   }
 });
-
-goTo.marker("1");
-
-format.setOption("newLineCharacter", "\n");
-verify.importFixAtPosition([
-`import classNames from 'classnames';
-import * as React from 'react';
-
-const el = <div className={class}>foo</div>;
-const el = <div className={classNames}>foo</div>;`
-]);