build(bazel): list docs entrypoints under packages to simplify docgen

target

Follows pattern in @angular/components.

packages.bzl

@@ -45,3 +45,60 @@ INTEGRATION_PACKAGES = _exclude_pkgs(ALL_PACKAGES, "angular-in-memory-web-api")
 
 # Packages used by example e2e tests
 AIO_EXAMPLE_PACKAGES = _exclude_pkgs(ALL_PACKAGES, "@angular/benchpress")
+
+# Package names under //packages that have `files_for_docgen` targets
+# including files needed for AIO doc generation.
+DOCS_ENTRYPOINTS = [
+    "animations",
+    "animations/browser",
+    "animations/browser/testing",
+    "common",
+    "common/http",
+    "common/http/testing",
+    "common/testing",
+    "common/upgrade",
+    "core",
+    "core/src/compiler",
+    "core/src/di/interface",
+    "core/src/interface",
+    "core/src/reflection",
+    "core/src/util",
+    "core/testing",
+    "elements",
+    "examples/common",
+    "examples/core",
+    "examples/core/di/ts/forward_ref",
+    "examples/core/testing/ts",
+    "examples/forms",
+    "examples/platform-browser",
+    "examples/router/activated-route",
+    "examples/service-worker/push",
+    "examples/service-worker/registration-options",
+    "examples/test-utils",
+    "examples/testing",
+    "examples/upgrade/static/ts/full",
+    "examples/upgrade/static/ts/lite",
+    "examples/upgrade/static/ts/lite-multi",
+    "examples/upgrade/static/ts/lite-multi-shared",
+    "forms",
+    "localize",
+    "localize/init",
+    "localize/src/localize",
+    "localize/src/utils",
+    "platform-browser",
+    "platform-browser-dynamic",
+    "platform-browser-dynamic/testing",
+    "platform-browser/animations",
+    "platform-browser/testing",
+    "platform-server",
+    "platform-server/init",
+    "platform-server/testing",
+    "router",
+    "router/testing",
+    "router/upgrade",
+    "service-worker",
+    "upgrade",
+    "upgrade/src/common",
+    "upgrade/static",
+    "upgrade/static/testing",
+]

packages/BUILD.bazel

@@ -1,4 +1,5 @@
 load("//tools:defaults.bzl", "ts_config", "ts_library")
+load("//:packages.bzl", "DOCS_ENTRYPOINTS")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -37,62 +38,8 @@ exports_files([
     "examples",
 ])
 
-# Run the following command to regenerate this list of all files_for_docgen targets.
-# bazel query 'attr("name", "files_for_docgen", //packages/... -//packages:files_for_docgen)' --output=label 2> /dev/null | sort | sed -e "s/\(.*\)/\"\1\",/"
+# All docgen targets for AIO. Add package entrypoints to DOCS_ENTRYPOINTS in `packages.bzl`.
 filegroup(
     name = "files_for_docgen",
-    srcs = [
-        "//packages/animations:files_for_docgen",
-        "//packages/animations/browser:files_for_docgen",
-        "//packages/animations/browser/testing:files_for_docgen",
-        "//packages/common:files_for_docgen",
-        "//packages/common/http:files_for_docgen",
-        "//packages/common/http/testing:files_for_docgen",
-        "//packages/common/testing:files_for_docgen",
-        "//packages/common/upgrade:files_for_docgen",
-        "//packages/core:files_for_docgen",
-        "//packages/core/src/compiler:files_for_docgen",
-        "//packages/core/src/di/interface:files_for_docgen",
-        "//packages/core/src/interface:files_for_docgen",
-        "//packages/core/src/reflection:files_for_docgen",
-        "//packages/core/src/util:files_for_docgen",
-        "//packages/core/testing:files_for_docgen",
-        "//packages/elements:files_for_docgen",
-        "//packages/examples/common:files_for_docgen",
-        "//packages/examples/core:files_for_docgen",
-        "//packages/examples/core/di/ts/forward_ref:files_for_docgen",
-        "//packages/examples/core/testing/ts:files_for_docgen",
-        "//packages/examples/forms:files_for_docgen",
-        "//packages/examples/platform-browser:files_for_docgen",
-        "//packages/examples/router/activated-route:files_for_docgen",
-        "//packages/examples/service-worker/push:files_for_docgen",
-        "//packages/examples/service-worker/registration-options:files_for_docgen",
-        "//packages/examples/test-utils:files_for_docgen",
-        "//packages/examples/testing:files_for_docgen",
-        "//packages/examples/upgrade/static/ts/full:files_for_docgen",
-        "//packages/examples/upgrade/static/ts/lite:files_for_docgen",
-        "//packages/examples/upgrade/static/ts/lite-multi:files_for_docgen",
-        "//packages/examples/upgrade/static/ts/lite-multi-shared:files_for_docgen",
-        "//packages/forms:files_for_docgen",
-        "//packages/localize:files_for_docgen",
-        "//packages/localize/init:files_for_docgen",
-        "//packages/localize/src/localize:files_for_docgen",
-        "//packages/localize/src/utils:files_for_docgen",
-        "//packages/platform-browser:files_for_docgen",
-        "//packages/platform-browser-dynamic:files_for_docgen",
-        "//packages/platform-browser-dynamic/testing:files_for_docgen",
-        "//packages/platform-browser/animations:files_for_docgen",
-        "//packages/platform-browser/testing:files_for_docgen",
-        "//packages/platform-server:files_for_docgen",
-        "//packages/platform-server/init:files_for_docgen",
-        "//packages/platform-server/testing:files_for_docgen",
-        "//packages/router:files_for_docgen",
-        "//packages/router/testing:files_for_docgen",
-        "//packages/router/upgrade:files_for_docgen",
-        "//packages/service-worker:files_for_docgen",
-        "//packages/upgrade:files_for_docgen",
-        "//packages/upgrade/src/common:files_for_docgen",
-        "//packages/upgrade/static:files_for_docgen",
-        "//packages/upgrade/static/testing:files_for_docgen",
-    ],
+    srcs = ["//packages/%s:files_for_docgen" % entrypoint for entrypoint in DOCS_ENTRYPOINTS],
 )