--moduleResolution bundler (formerly known as hybrid) (#51669)

* WIP

* Add extension error back unless noEmit is set

* Add non-relative tests

* Add error for importing from declaration file

* Update unit test

* Add explicit flag for importing from .ts extensions

* Add module specifier resolution changes

* Add auto-import tests

* Disallow relative imports into node_modules

* Ensure auto-imports don’t suggest ./node_modules;

* Test a non-portable declaration emit issue

* Test auto-importing TSX file

* Update path completions

* Fix lint due to merge

* Remove minimal-specific stuff

* Remove minimal tests

* Update unit tests

* Add options

* Add customConditions option

* Add first tests

* CJS constructs are not allowed

* Add another test

* Fix extension adding/replacing priority

* Update test to reflect the choice not to block on unrecognized extensions

* Add auto-imports and string completions tests

* Revamp string completions ending preferences

* Comment test

* Auto-imports of declaration files cannot use .ts extension

* Have declaration file auto imports default to extensionless instead

* Add test for custom conditions

* Fix indentation

* Add baseline showing resolvePackageJsonImports/Exports compatibility

* Fix test and prevent CJS require from resolving

* Update unit test baselines

* Fix bad merge conflict resolution

* Make resolvedUsingTsExtension optional

* Update missed baselines

* Revert now-unnecessary API implementation changes

* Clean up

* Update baselines to es5 emit

* Rename to `bundler`

src/compiler/commandLineParser.ts

@@ -965,6 +965,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
             classic: ModuleResolutionKind.Classic,
             node16: ModuleResolutionKind.Node16,
             nodenext: ModuleResolutionKind.NodeNext,
+            bundler: ModuleResolutionKind.Bundler,
         })),
         affectsModuleResolution: true,
         paramType: Diagnostics.STRATEGY,
@@ -1081,6 +1082,41 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         category: Diagnostics.Modules,
         description: Diagnostics.List_of_file_name_suffixes_to_search_when_resolving_a_module,
     },
+    {
+        name: "allowImportingTsExtensions",
+        type: "boolean",
+        affectsModuleResolution: true,
+        category: Diagnostics.Modules,
+        description: Diagnostics.Allow_imports_to_include_TypeScript_file_extensions_Requires_moduleResolution_bundler_and_either_noEmit_or_emitDeclarationOnly_to_be_set,
+        defaultValueDescription: false,
+    },
+    {
+        name: "resolvePackageJsonExports",
+        type: "boolean",
+        affectsModuleResolution: true,
+        category: Diagnostics.Modules,
+        description: Diagnostics.Use_the_package_json_exports_field_when_resolving_package_imports,
+        defaultValueDescription: Diagnostics.true_when_moduleResolution_is_node16_nodenext_or_bundler_otherwise_false,
+    },
+    {
+        name: "resolvePackageJsonImports",
+        type: "boolean",
+        affectsModuleResolution: true,
+        category: Diagnostics.Modules,
+        description: Diagnostics.Use_the_package_json_imports_field_when_resolving_imports,
+        defaultValueDescription: Diagnostics.true_when_moduleResolution_is_node16_nodenext_or_bundler_otherwise_false,
+    },
+    {
+        name: "customConditions",
+        type: "list",
+        element: {
+            name: "condition",
+            type: "string",
+        },
+        affectsModuleResolution: true,
+        category: Diagnostics.Modules,
+        description: Diagnostics.Conditions_to_set_in_addition_to_the_resolver_specific_defaults_when_resolving_imports,
+    },
 
     // Source Maps
     {