build: refactor zone bazel settings (#34532)

PR Close #34532

packages/zone.js/dist/tools.bzl

@@ -0,0 +1,35 @@
+"""Provides the rollup and dist file generation macro."""
+
+load("//tools:defaults.bzl", "rollup_bundle")
+
+def zone_rollup_bundle(config_file, bundles):
+    for b in bundles:
+        rollup_bundle(
+            name = b[0] + "-rollup",
+            config_file = config_file,
+            entry_point = b[1] + ".ts",
+            sourcemap = "false",
+            deps = [
+                "//packages/zone.js/lib",
+                "@npm//rollup-plugin-commonjs",
+                "@npm//rollup-plugin-node-resolve",
+            ],
+        )
+
+def generate_dist(module, bundles):
+    for b in bundles:
+        native.genrule(
+            name = b[0] + "-dist",
+            srcs = [
+                b[0] + "-rollup." + module + "umd.js",
+                b[0] + "-rollup.min." + module + "umd.js",
+            ],
+            outs = [
+                b[0] + ".js",
+                b[0] + ".min.js",
+            ],
+            cmd = " && ".join([
+                "cp $(@D)/" + b[0] + "-rollup." + module + "umd.js $(@D)/" + b[0] + ".js",
+                "cp $(@D)/" + b[0] + "-rollup.min." + module + "umd.js $(@D)/" + b[0] + ".min.js",
+            ]),
+        )