refactor: remove all deep imports in language service

Removes all deep imports, which cause problems with vitest module resolution

packages/compiler-cli/BUILD.bazel

@@ -82,14 +82,17 @@ ts_project(
         "//:node_modules/typescript",
         "//packages/compiler",
         "//packages/compiler-cli/private",
+        "//packages/compiler-cli/src/ngtsc/annotations",
         "//packages/compiler-cli/src/ngtsc/core",
         "//packages/compiler-cli/src/ngtsc/core:api",
         "//packages/compiler-cli/src/ngtsc/diagnostics",
         "//packages/compiler-cli/src/ngtsc/docs",
         "//packages/compiler-cli/src/ngtsc/file_system",
+        "//packages/compiler-cli/src/ngtsc/imports",
         "//packages/compiler-cli/src/ngtsc/incremental",
         "//packages/compiler-cli/src/ngtsc/indexer",
         "//packages/compiler-cli/src/ngtsc/logging",
+        "//packages/compiler-cli/src/ngtsc/metadata",
         "//packages/compiler-cli/src/ngtsc/perf",
         "//packages/compiler-cli/src/ngtsc/program_driver",
         "//packages/compiler-cli/src/ngtsc/reflection",

packages/compiler-cli/index.ts

@@ -33,6 +33,40 @@ export {NgTscPlugin, PluginCompilerHost} from './src/ngtsc/tsc_plugin';
 export {NgtscProgram} from './src/ngtsc/program';
 export {OptimizeFor} from './src/ngtsc/typecheck/api';
 
+// Explicit exports for language service
+export {getAngularDecorators} from './src/ngtsc/annotations';
+export {
+  NgCompiler,
+  type NgCompilerOptions,
+  type CompilationTicket,
+  freshCompilationTicket,
+  incrementalFromCompilerTicket,
+  resourceChangeTicket,
+} from './src/ngtsc/core';
+export {type NgCompilerAdapter} from './src/ngtsc/core/api';
+export {Reference} from './src/ngtsc/imports';
+export {
+  type DirectiveMeta,
+  type InputMapping,
+  isExternalResource,
+  MetaKind,
+  type PipeMeta,
+  type Resource,
+} from './src/ngtsc/metadata';
+export {
+  type DeclarationNode,
+  isNamedClassDeclaration,
+  type ReflectionHost,
+  type ClassDeclaration,
+} from './src/ngtsc/reflection';
+export {isFatalDiagnosticError} from './src/ngtsc/diagnostics';
+export {PerfPhase} from './src/ngtsc/perf';
+export {type FileUpdate, type ProgramDriver} from './src/ngtsc/program_driver';
+export {TrackedIncrementalBuildStrategy} from './src/ngtsc/incremental';
+export {isShim} from './src/ngtsc/shims';
+export {getRootDirs} from './src/ngtsc/util/src/typescript';
+export * from './src/ngtsc/typecheck/api';
+
 // **Note**: Explicit named exports to make this file work with CJS/ESM interop without
 // needing to use a default import. NodeJS will expose named CJS exports as named ESM exports.
 // TODO(devversion): Remove these duplicate exports once devmode&prodmode is combined/ESM.
@@ -40,8 +74,14 @@ export {ConsoleLogger, Logger, LogLevel} from './src/ngtsc/logging';
 export {
   NodeJSFileSystem,
   absoluteFrom,
-  FileSystem,
-  AbsoluteFsPath,
+  absoluteFromSourceFile,
+  resolve,
+  type FileStats,
+  type PathSegment,
+  type PathString,
+  getSourceFileOrError,
+  type FileSystem,
+  type AbsoluteFsPath,
   NgtscCompilerHost,
   getFileSystem,
   setFileSystem,