build: support new ng_project rule (#61275)

Supports the `ng_project` rule with the local compiler-cli version
from HEAD.

PR Close #61275

packages/compiler/BUILD.bazel

@@ -1,4 +1,5 @@
 load("//tools:defaults.bzl", "ng_package", "ts_library", "tsec_test")
+load("//tools:defaults2.bzl", "npm_package")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -43,6 +44,16 @@ ng_package(
     ],
 )
 
+# TODO(devversion): Temporary early `npm_package` for making compiler usable in `rules_angular`.
+# Long-term, `pkg_npm` will be migrated to `npm_package` in general.
+npm_package(
+    name = "pkg",
+    srcs = [":npm_package"],
+    replace_prefixes = {
+        "npm_package/": "",
+    },
+)
+
 filegroup(
     name = "files_for_docgen",
     srcs = glob([