fix(create): run ts_setup_workspace in TypeScript workspaces

This is required to install an extra node_modules for use by the
ts_devserver rule.

packages/create/index.js

@@ -138,7 +138,7 @@ npm_install(
     package_lock_json = "//:package-lock.json",
 )`;
 
-  write('WORKSPACE', `# Bazel workspace created by @bazel/create 0.0.0-PLACEHOLDER
+  let workspaceContent = `# Bazel workspace created by @bazel/create 0.0.0-PLACEHOLDER
 
 # Declares that this directory is the root of a Bazel workspace.
 # See https://docs.bazel.build/versions/master/build-ref.html#workspace
@@ -163,7 +163,15 @@ ${pkgMgr === 'yarn' ? yarnInstallCmd : npmInstallCmd}
 
 # Install any Bazel rules which were extracted earlier by the ${pkgMgr}_install rule.
 load("@npm//:install_bazel_dependencies.bzl", "install_bazel_dependencies")
-install_bazel_dependencies()`);
+install_bazel_dependencies()`;
+  if (args['typescript']) {
+    workspaceContent += `
+
+# Setup TypeScript toolchain 
+load("@npm_bazel_typescript//:index.bzl", "ts_setup_workspace")
+ts_setup_workspace()`;
+  }
+  write('WORKSPACE', workspaceContent);
   write('.bazelignore', `node_modules`);
   write(
       'package.json',

packages/create/test.js

@@ -3,7 +3,6 @@
  * We don't use a test framework here since dependencies are awkward.
  */
 const pkg = 'build_bazel_rules_nodejs/packages/create/npm_package';
-const path = require('path');
 const fs = require('fs');
 const {main} = require(pkg);
 
@@ -12,6 +11,10 @@ function fail(...msg) {
   throw new Error('test failed');
 }
 
+function read(path) {
+  return fs.readFileSync(path, {encoding: 'utf-8'});
+}
+
 let error, exitCode;
 function captureError(...msg) {
   error = error + '\n' + msg.join(' ');
@@ -43,31 +46,35 @@ const projFiles = fs.readdirSync('some_project');
 if (!projFiles.indexOf('.bazelrc') < 0) {
   fail('project should have .bazelrc');
 }
-let wkspContent = fs.readFileSync('some_project/WORKSPACE', {encoding: 'utf-8'});
+let wkspContent = read('some_project/WORKSPACE');
 if (wkspContent.indexOf('npm_install(') < 0) {
   fail('should use npm by default');
 }
 // TODO: run bazel in the new directory to verify a build works
 
 exitCode = main(['configure_pkgMgr', '--packageManager=yarn'], captureError);
 if (exitCode != 0) fail('should be success');
-wkspContent = fs.readFileSync('configure_pkgMgr/WORKSPACE', {encoding: 'utf-8'});
+wkspContent = read('configure_pkgMgr/WORKSPACE');
 if (wkspContent.indexOf('yarn_install(') < 0) {
   fail('should use yarn when requested');
 }
 
 process.env['_'] = '/usr/bin/yarn';
 exitCode = main(['default_to_yarn']);
 if (exitCode != 0) fail('should be success');
-wkspContent = fs.readFileSync('default_to_yarn/WORKSPACE', {encoding: 'utf-8'});
+wkspContent = read('default_to_yarn/WORKSPACE');
 if (wkspContent.indexOf('yarn_install(') < 0) {
-  fail('should use yarn by default')
+  fail('should use yarn by default');
 }
 // TODO: run bazel in the new directory to verify a build works
 
 exitCode = main(['--typescript', 'with_ts'], captureError);
 if (exitCode != 0) fail('should be success');
-let pkgContent = fs.readFileSync('with_ts/package.json', {encoding: 'utf-8'});
+let pkgContent = read('with_ts/package.json');
 if (pkgContent.indexOf('"@bazel/typescript": "latest"') < 0) {
   fail('should install @bazel/typescript dependency', pkgContent);
 }
+wkspContent = read('with_ts/WORKSPACE');
+if (wkspContent.indexOf('ts_setup_workspace(') < 0) {
+  fail('should install extra TS repositories');
+}