build: don't depend on npm packages from public api tests (#26602)

We need only the inputs from ng_module.

PR Close #26602

tools/public_api_guard/public_api_guard.bzl

@@ -0,0 +1,29 @@
+# Copyright Google Inc. All Rights Reserved.
+#
+# Use of this source code is governed by an MIT-style license that can be
+# found in the LICENSE file at https://angular.io/license
+
+"""public_api_guard bazel target generator
+"""
+
+load("//tools/ts-api-guardian:index.bzl", "ts_api_guardian_test")
+
+def generate_targets(golden_files):
+    """Generates a list of targets to check based on the golden files passed in.
+    """
+    for golden_file in golden_files:
+        entry_point = golden_file[:-len(".d.ts")]
+        [package_name, entry_point_tail] = entry_point.split("/", 1)
+        directory_name = entry_point_tail.split("/")[-1]
+        target_suffix = "/" + entry_point_tail if package_name != entry_point_tail else ""
+        actual_file = "packages/%s%s/%s.d.ts" % (package_name, target_suffix, directory_name)
+        label_name = package_name + target_suffix.replace("/", "_")
+
+        ts_api_guardian_test(
+            name = "%s_api" % label_name,
+            actual = actual_file,
+            data = [golden_file] + [
+                "//packages/%s:%s" % (package_name + target_suffix, directory_name),
+            ],
+            golden = "tools/public_api_guard/%s" % golden_file,
+        )