build: Add .bzl/BUILD files to @angular/bazel package (#28769)

It's now possible to use it as a hybrid package in latest rules_nodejs, so no WORKSPACE dep is needed

PR Close #28769

packages/bazel/src/BUILD.bazel

@@ -1,9 +1,8 @@
-package(default_visibility = ["//visibility:public"])
+package(default_visibility = ["//packages/bazel:__subpackages__"])
 
 filegroup(
     name = "package_assets",
-    srcs = ["modify_tsconfig.js"],
-    visibility = ["//packages/bazel:__subpackages__"],
+    srcs = glob(["*"]),
 )
 
 # For generating skydoc
@@ -22,6 +21,12 @@ nodejs_binary(
     ],
     entry_point = "ngdeps/node_modules/rollup/bin/rollup",
     install_source_map_support = False,
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "empty_node_modules",
+    srcs = [],
 )
 
 nodejs_binary(
@@ -29,4 +34,6 @@ nodejs_binary(
     data = ["modify_tsconfig.js"],
     entry_point = "angular/packages/bazel/src/modify_tsconfig.js",
     install_source_map_support = False,
+    node_modules = ":empty_node_modules",
+    visibility = ["//visibility:public"],
 )

packages/bazel/src/api-extractor/BUILD.bazel

@@ -1,6 +1,8 @@
 package(default_visibility = ["//packages:__subpackages__"])
 
 load("@build_bazel_rules_nodejs//:defs.bzl", "nodejs_binary")
+
+# BEGIN-DEV-ONLY
 load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
@@ -15,6 +17,7 @@ ts_library(
     ],
 )
 
+# END-DEV-ONLY
 nodejs_binary(
     name = "api_extractor",
     data = [
@@ -25,3 +28,8 @@ nodejs_binary(
     entry_point = "angular/packages/bazel/src/api-extractor/index.js",
     visibility = ["//visibility:public"],
 )
+
+filegroup(
+    name = "package_assets",
+    srcs = ["BUILD.bazel"],
+)

packages/bazel/src/ng_package/BUILD.bazel

@@ -1,9 +1,9 @@
 package(default_visibility = ["//visibility:public"])
 
 load("@build_bazel_rules_nodejs//:defs.bzl", "nodejs_binary")
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
 
-exports_files(["ng_package.bzl"])
+# BEGIN-DEV-ONLY
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
 
 ts_library(
     name = "lib",
@@ -16,6 +16,7 @@ ts_library(
     ],
 )
 
+# END-DEV-ONLY
 nodejs_binary(
     name = "packager",
     data = [
@@ -25,3 +26,10 @@ nodejs_binary(
     entry_point = "angular/packages/bazel/src/ng_package/packager.js",
     install_source_map_support = False,
 )
+
+exports_files(["ng_package.bzl"])
+
+filegroup(
+    name = "package_assets",
+    srcs = glob(["*.bzl"]) + ["BUILD.bazel"],
+)

packages/bazel/src/ngc-wrapped/BUILD.bazel

@@ -32,7 +32,7 @@ nodejs_binary(
     configuration_env_vars = ["compile"],
     data = [
         ":ngc_lib",
-        "@build_bazel_rules_typescript//third_party/github.com/bazelbuild/bazel/src/main/protobuf:worker_protocol.proto",
+        "//packages/bazel/third_party/github.com/bazelbuild/bazel/src/main/protobuf:worker_protocol.proto",
         "@ngdeps//source-map-support",
         "@ngdeps//tslib",
     ],
@@ -49,3 +49,9 @@ nodejs_binary(
     entry_point = "angular/packages/bazel/src/ngc-wrapped/extract_i18n.js",
     visibility = ["//visibility:public"],
 )
+
+filegroup(
+    name = "package_assets",
+    srcs = ["BUILD.bazel"],
+    visibility = ["//packages/bazel:__subpackages__"],
+)

packages/bazel/src/protractor/BUILD.bazel

@@ -4,3 +4,8 @@ exports_files([
     "protractor.conf.js",
     "protractor_web_test.bzl",
 ])
+
+filegroup(
+    name = "package_assets",
+    srcs = glob(["*"]),
+)

packages/bazel/src/schematics/bazel-workspace/files/e2e/BUILD.bazel.template

@@ -22,7 +22,7 @@ ts_library(
 protractor_web_test_suite(
     name = "prodserver_test",
     data = [
-      "@angular//packages/bazel/src/protractor/utils",
+      "@angular//" + "packages/bazel/src/protractor/utils",
       "@npm//protractor",
     ],
     on_prepare = ":protractor.on-prepare.js",
@@ -33,7 +33,7 @@ protractor_web_test_suite(
 protractor_web_test_suite(
     name = "devserver_test",
     data = [
-      "@angular//packages/bazel/src/protractor/utils",
+      "@angular//" + "packages/bazel/src/protractor/utils",
       "@npm//protractor",
     ],
     on_prepare = ":protractor.on-prepare.js",