Update to TypeScript 3.1 and ts-simple-ast 17 (#980)

2 files changed, 6 insertions, 9 deletions

diff --git a/tools/ts_library_builder/build_library.ts b/tools/ts_library_builder/build_library.ts
index 589e26a82..9bd4d4ee5 100644
--- a/tools/ts_library_builder/build_library.ts
+++ b/tools/ts_library_builder/build_library.ts
@@ -2,12 +2,10 @@ import { writeFileSync } from "fs";
 import * as prettier from "prettier";
 import {
   ExpressionStatement,
-  ModuleKind,
-  ModuleResolutionKind,
   NamespaceDeclarationKind,
   Project,
-  ScriptTarget,
   SourceFile,
+  ts,
   Type,
   TypeGuards
 } from "ts-simple-ast";
@@ -52,6 +50,8 @@ export interface BuildLibraryOptions {
   silent?: boolean;
 }
 
+const { ModuleKind, ModuleResolutionKind, ScriptTarget } = ts;
+
 /**
  * A preamble which is appended to the start of the library.
  */
diff --git a/tools/ts_library_builder/test.ts b/tools/ts_library_builder/test.ts
index e5317b393..b123cb1c5 100644
--- a/tools/ts_library_builder/test.ts
+++ b/tools/ts_library_builder/test.ts
@@ -2,16 +2,13 @@
 //
 //  ./node_modules/.bin/ts-node --project tools/ts_library_builder/tsconfig.json tools/ts_library_builder/test.ts
 
-import {
-  ModuleKind,
-  ModuleResolutionKind,
-  Project,
-  ScriptTarget
-} from "ts-simple-ast";
+import { Project, ts } from "ts-simple-ast";
 import { assert, assertEqual, test } from "../../js/testing/testing";
 import { flatten, merge } from "./build_library";
 import { loadDtsFiles } from "./ast_util";
 
+const { ModuleKind, ModuleResolutionKind, ScriptTarget } = ts;
+
 /** setups and returns the fixtures for testing */
 function setupFixtures() {
   const basePath = process.cwd();