test: add tsc snapshot

Makefile

@@ -1416,6 +1416,16 @@ lint-js-ci:
 jslint-ci: lint-js-ci
 	$(warning Please use lint-js-ci instead of jslint-ci)
 
+LINT_TS_TSC = test/fixtures/snapshot/tsc
+LINT_TS_CONFIG = typings/tsconfig.lint.json
+
+run-lint-ts = $(LINT_TS_TSC) --project $(LINT_TS_CONFIG)
+
+.PHONY: lint-ts
+lint-ts:
+	$(info Running TSC...)
+	@$(call available-node,$(run-lint-ts))
+
 LINT_CPP_ADDON_DOC_FILES_GLOB = test/addons/??_*/*.cc test/addons/??_*/*.h
 LINT_CPP_ADDON_DOC_FILES = $(wildcard $(LINT_CPP_ADDON_DOC_FILES_GLOB))
 LINT_CPP_EXCLUDE ?=

test/fixtures/snapshot/lib.d.ts

@@ -0,0 +1,22 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+
+/// <reference no-default-lib="true"/>
+
+/// <reference lib="es5" />
+/// <reference lib="dom" />
+/// <reference lib="webworker.importscripts" />
+/// <reference lib="scripthost" />