build: convert entry_point to label (#30627)

PR Close #30627

packages/bazel/src/BUILD.bazel

@@ -22,7 +22,7 @@ nodejs_binary(
         "@npm//rollup-plugin-node-resolve",
         "@npm//rollup-plugin-sourcemaps",
     ],
-    entry_point = "npm/node_modules/rollup/bin/rollup",
+    entry_point = "@npm//node_modules/rollup:bin/rollup",
     install_source_map_support = False,
     visibility = ["//visibility:public"],
 )
@@ -35,7 +35,7 @@ filegroup(
 nodejs_binary(
     name = "modify_tsconfig",
     data = ["modify_tsconfig.js"],
-    entry_point = "angular/packages/bazel/src/modify_tsconfig.js",
+    entry_point = ":modify_tsconfig.js",
     install_source_map_support = False,
     node_modules = ":empty_node_modules",
     visibility = ["//visibility:public"],

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

@@ -25,7 +25,7 @@ nodejs_binary(
         "@npm//@bazel/typescript",
         "@npm//@microsoft/api-extractor",
     ],
-    entry_point = "angular/packages/bazel/src/api-extractor/index.js",
+    entry_point = ":index.ts",
     visibility = ["//visibility:public"],
 )
 

packages/bazel/src/esm5.bzl

@@ -106,9 +106,15 @@ def _esm5_outputs_aspect(target, ctx):
     else:
         fail("Unknown replay compiler", target.typescript.replay_params.compiler.path)
 
+    inputs = [tsconfig]
+    if (type(target.typescript.replay_params.inputs) == type([])):
+        inputs.extend(target.typescript.replay_params.inputs)
+    else:
+        inputs.extend(target.typescript.replay_params.inputs.to_list())
+
     ctx.actions.run(
         progress_message = "Compiling TypeScript (ES5 with ES Modules) %s" % target.label,
-        inputs = target.typescript.replay_params.inputs.to_list() + [tsconfig],
+        inputs = inputs,
         outputs = outputs,
         arguments = [tsconfig.path],
         executable = compiler,

packages/bazel/src/ng_module.bzl

@@ -447,7 +447,7 @@ def ngc_compile_action(
         if _should_produce_flat_module_outs(ctx):
             dts_entry_points = ["%s.d.ts" % _flat_module_out_file(ctx)]
         else:
-            dts_entry_points = [ctx.attr.entry_point.replace(".ts", ".d.ts")]
+            dts_entry_points = [ctx.attr.entry_point.label.name.replace(".ts", ".d.ts")]
 
         if _should_produce_r3_symbols_bundle(ctx):
             dts_entry_points.append(_R3_SYMBOLS_DTS_FILE)
@@ -719,7 +719,7 @@ NG_MODULE_RULE_ATTRS = dict(dict(COMMON_ATTRIBUTES, **NG_MODULE_ATTRIBUTES), **{
         """,
         default = Label("@npm//typescript:typescript__typings"),
     ),
-    "entry_point": attr.string(),
+    "entry_point": attr.label(allow_single_file = True),
 
     # Default is %{name}_public_index
     # The suffix points to the generated "bundle index" files that users import from

packages/bazel/src/ng_package/BUILD.bazel

@@ -23,7 +23,7 @@ nodejs_binary(
         "lib",
         "@npm//shelljs",
     ],
-    entry_point = "angular/packages/bazel/src/ng_package/packager.js",
+    entry_point = ":packager.ts",
     install_source_map_support = False,
 )
 

packages/bazel/src/ng_package/ng_package.bzl

@@ -455,13 +455,20 @@ def primary_entry_point_name(name, entry_point, entry_point_name):
     Returns:
       name of the entry point, which will appear in the name of generated bundles
     """
+    if (type(entry_point) == "Target"):
+        ep = entry_point.label
+    elif (type(entry_point) == "Label"):
+        ep = entry_point
+    else:
+        fail("entry_point should be a Target or Label but got %s" % type(entry_point))
+
     if entry_point_name:
         # If an explicit entry_point_name is given, use that.
         return entry_point_name
-    elif entry_point.find("/") >= 0:
-        # If the entry_point has multiple path segments, use the second one.
-        # E.g., for "@angular/cdk/a11y", use "cdk".
-        return entry_point.split("/")[-2]
+    elif ep.package.find("/") >= 0:
+        # If the entry_point package has multiple path segments, use the last one.
+        # E.g., for "//packages/angular/cdk:a11y", use "cdk".
+        return ep.package.split("/")[-1]
     else:
         # Fall back to the name of the ng_package rule.
         return name

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

@@ -36,7 +36,7 @@ nodejs_binary(
         "@npm//source-map-support",
         "@npm//tslib",
     ],
-    entry_point = "angular/packages/bazel/src/ngc-wrapped/index.js",
+    entry_point = ":index.ts",
     visibility = ["//visibility:public"],
 )
 
@@ -46,7 +46,7 @@ nodejs_binary(
         ":ngc_lib",
         "@npm//source-map-support",
     ],
-    entry_point = "angular/packages/bazel/src/ngc-wrapped/extract_i18n.js",
+    entry_point = ":extract_i18n.ts",
     visibility = ["//visibility:public"],
 )
 

packages/bazel/test/ng_package/BUILD.bazel

@@ -80,6 +80,6 @@ nodejs_binary(
         "//packages/bazel/test/ng_package/example:npm_package",
         "@npm//diff",
     ],
-    entry_point = "angular/packages/bazel/test/ng_package/example_package.spec.js",
+    entry_point = ":example_package.spec.ts",
     templated_args = ["--accept"],
 )

packages/bazel/test/ng_package/example/BUILD.bazel

@@ -23,7 +23,7 @@ ng_package(
         ":arbitrary_genfiles_file",
         ":extra-styles.css",
     ],
-    entry_point = "packages/bazel/test/ng_package/example/index.js",
+    entry_point = ":index.ts",
     entry_point_name = "waffels",
     packages = [
         ":arbitrary_npm_package",

packages/bazel/test/protractor-2/BUILD.bazel

@@ -24,7 +24,7 @@ ts_devserver(
 
 rollup_bundle(
     name = "bundle",
-    entry_point = "packages/bazel/test/protractor-2/app",
+    entry_point = ":app.ts",
     deps = [":app"],
 )
 

packages/bazel/test/protractor-utils/BUILD.bazel

@@ -16,7 +16,7 @@ nodejs_binary(
         "fake-devserver.js",
         "@npm//minimist",
     ],
-    entry_point = "angular/packages/bazel/test/protractor-utils/fake-devserver.js",
+    entry_point = ":fake-devserver.ts",
 )
 
 jasmine_node_test(