diff --git a/packages/bazel/src/external.bzl b/packages/bazel/src/external.bzl
index 32b640ae30..73c74ddf59 100644
--- a/packages/bazel/src/external.bzl
+++ b/packages/bazel/src/external.bzl
@@ -35,6 +35,11 @@ compile_ts = _compile_ts
 DEPS_ASPECTS = _DEPS_ASPECTS
 ts_providers_dict_to_struct = _ts_providers_dict_to_struct
 
+# Should be defined as `BuildSettingInfo` from Skylib, but a dependency on
+# Skylib is not necessary here because this is only used in google3 where Skylib
+# is loaded differently anyways where this file is overridden.
+BuildSettingInfo = provider(doc = "Not used outside google3.")
+
 DEFAULT_API_EXTRACTOR = "@npm//@angular/bazel/bin:api-extractor"
 DEFAULT_NG_COMPILER = "@npm//@angular/bazel/bin:ngc-wrapped"
 DEFAULT_NG_XI18N = "@npm//@angular/bazel/bin:xi18n"
diff --git a/packages/bazel/src/ng_module.bzl b/packages/bazel/src/ng_module.bzl
index 35da43a239..eb158626b7 100644
--- a/packages/bazel/src/ng_module.bzl
+++ b/packages/bazel/src/ng_module.bzl
@@ -7,6 +7,7 @@
 
 load(
     ":external.bzl",
+    "BuildSettingInfo",
     "COMMON_ATTRIBUTES",
     "COMMON_OUTPUTS",
     "DEFAULT_API_EXTRACTOR",
@@ -36,6 +37,15 @@ def is_ivy_enabled(ctx):
       Boolean, Whether the ivy compiler should be used.
     """
 
+    # Check the renderer flag to see if Ivy is enabled.
+    # This is intended to support a transition use case for google3 migration.
+    # The `_renderer` attribute will never be set externally, but will always be
+    # set internally as a `string_flag()` with the allowed values of:
+    # "view_engine" or "ivy".
+    if ((hasattr(ctx.attr, "_renderer") and
+         ctx.attr._renderer[BuildSettingInfo].value == "ivy")):
+        return True
+
     # TODO(josephperott): Remove after ~Feb 2020, to allow local script migrations
     if "compile" in ctx.var and ctx.workspace_name == "angular":
         fail(