[TS/JS] Move TS tests to dedicated folder and deps upgrade (#7508)

* Move TS tests to dedicated folder and deps upgrade

* Attempt to fix generate_code

* Fix dir on CI

* Add js extension

* Fix missing extension

* Harmonize with test gen

* Unexplained code gen change

* Restore yarn.lock

* Naive attempt to fix bazel stuff

* Pin @bazel/typescript to 5.2.0

* Attempt to fix bazel

* More tweak

* Upgrade deps

* Tweak?

* Fix path

* Fix test package

Co-authored-by: Derek Bailey <derekbailey@google.com>

tests/ts/TypeScriptTest.py

@@ -0,0 +1,123 @@
+#!/usr/bin/env python3
+#
+# Copyright 2022 Google Inc. 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
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import platform
+import shutil
+import subprocess
+import sys
+from pathlib import Path
+
+# Get the path where this script is located so we can invoke the script from
+# any directory and have the paths work correctly.
+tests_path = Path(__file__).parent.resolve()
+
+# Get the root path as an absolute path, so all derived paths are absolute.
+root_path = tests_path.parent.parent.absolute()
+
+# Windows works with subprocess.run a bit differently.
+is_windows = platform.system() == "Windows"
+
+# Get the location of the flatc executable
+flatc_exe = Path("flatc.exe" if is_windows else "flatc")
+
+# Find and assert flatc compiler is present.
+if root_path in flatc_exe.parents:
+    flatc_exe = flatc_exe.relative_to(root_path)
+flatc_path = Path(root_path, flatc_exe)
+assert flatc_path.exists(), "Cannot find the flatc compiler " + str(flatc_path)
+
+def check_call(args, cwd=tests_path):
+    subprocess.check_call(args, cwd=str(cwd), shell=is_windows)
+
+# Execute the flatc compiler with the specified parameters
+def flatc(options, schema, prefix=None, include=None, data=None, cwd=tests_path):
+    cmd = [str(flatc_path)] + options
+    if prefix:
+        cmd += ["-o"] + [prefix]
+    if include:
+        cmd += ["-I"] + [include]
+    cmd += [schema] if isinstance(schema, str) else schema
+    if data:
+        cmd += [data] if isinstance(data, str) else data
+    check_call(cmd)
+
+print("Removing node_modules/ directory...")
+shutil.rmtree(Path(tests_path, "node_modules"), ignore_errors=True)
+
+check_call(["npm", "install", "--silent"])
+
+print("Invoking flatc...")
+flatc(
+    options=["--ts", "--gen-name-strings", "--gen-mutable", "--gen-object-api"],
+    schema="../monster_test.fbs",
+    include="../include_test",
+)
+
+flatc(
+    options=["--gen-object-api", "-b"],
+    schema="../monster_test.fbs",
+    include="../include_test",
+    data="../unicode_test.json",
+)
+
+flatc(
+    options=["--ts", "--gen-name-strings", "--gen-mutable", "--gen-object-api"],
+    schema="../union_vector/union_vector.fbs",
+    prefix="union_vector",
+)
+
+flatc(
+    options=["--ts", "--gen-name-strings"],
+    schema="../optional_scalars.fbs",
+)
+
+flatc(
+    options=["--ts", "--gen-name-strings", "--gen-mutable", "--gen-object-api"],
+    schema=[
+        "typescript_keywords.fbs",
+        "test_dir/typescript_include.fbs",
+        "test_dir/typescript_transitive_include.fbs",
+        "../../reflection/reflection.fbs",
+    ],
+    include="../../",
+)
+
+flatc(
+    options=[
+        "--ts",
+        "--gen-name-strings",
+        "--gen-mutable",
+        "--gen-object-api",
+        "--ts-flat-files",
+    ],
+    schema=[
+        "typescript_keywords.fbs",
+        "test_dir/typescript_include.fbs",
+        "test_dir/typescript_transitive_include.fbs",
+        "../../reflection/reflection.fbs",
+    ],
+    include="../../",
+)
+
+print("Running TypeScript Compiler...")
+check_call(["tsc"])
+
+NODE_CMD = ["node"]
+
+print("Running TypeScript Tests...")
+check_call(NODE_CMD + ["JavaScriptTest"])
+check_call(NODE_CMD + ["JavaScriptUnionVectorTest"])
+check_call(NODE_CMD + ["JavaScriptFlexBuffersTest"])