Add native module for loading split JS bundles in development

Reviewed By: mdvacca, cpojer Differential Revision: D22001709 fbshipit-source-id: 4e378fd6ae90268e7db9092a71628205b9f7c37d
2025-11-01 09:14:26 +00:00 · 2020-06-17 09:10:51 -07:00
parent 2e2c881147
commit fca3a39da5
15 changed files with 272 additions and 46 deletions
@@ -0,0 +1,21 @@
+load("//tools/build_defs/oss:rn_defs.bzl", "react_native_dep", "react_native_target", "rn_android_library")
+
+rn_android_library(
+    name = "bundleloader",
+    srcs = glob(["*.java"]),
+    is_androidx = True,
+    labels = ["supermodule:xplat/default/public.react_native.infra"],
+    provided_deps = [
+        react_native_dep("third-party/android/androidx:annotation"),
+    ],
+    visibility = [
+        "PUBLIC",
+    ],
+    deps = [
+        react_native_target("java/com/facebook/react/bridge:bridge"),
+        react_native_target("java/com/facebook/react/common:common"),
+        react_native_target("java/com/facebook/react/devsupport:interfaces"),
+        react_native_target("java/com/facebook/react/module/annotations:annotations"),
+    ],
+    exported_deps = [react_native_target("java/com/facebook/fbreact/specs:FBReactNativeSpec")],
+)
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.modules.bundleloader;
+
+import androidx.annotation.NonNull;
+import com.facebook.fbreact.specs.NativeDevSplitBundleLoaderSpec;
+import com.facebook.react.bridge.Promise;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.common.DebugServerException;
+import com.facebook.react.devsupport.interfaces.DevSplitBundleCallback;
+import com.facebook.react.devsupport.interfaces.DevSupportManager;
+import com.facebook.react.module.annotations.ReactModule;
+
+@ReactModule(name = NativeDevSplitBundleLoaderModule.NAME)
+public class NativeDevSplitBundleLoaderModule extends NativeDevSplitBundleLoaderSpec {
+  public static final String NAME = "DevSplitBundleLoader";
+  private static final String REJECTION_CODE = "E_BUNDLE_LOAD_ERROR";
+
+  private final DevSupportManager mDevSupportManager;
+
+  public NativeDevSplitBundleLoaderModule(
+      ReactApplicationContext reactContext, DevSupportManager devSupportManager) {
+    super(reactContext);
+    mDevSupportManager = devSupportManager;
+  }
+
+  @Override
+  public void loadBundle(String bundlePath, final Promise promise) {
+    mDevSupportManager.loadSplitBundleFromServer(
+        bundlePath,
+        new DevSplitBundleCallback() {
+          @Override
+          public void onSuccess() {
+            promise.resolve(true);
+          }
+
+          @Override
+          public void onError(String url, Throwable cause) {
+            String message =
+                cause instanceof DebugServerException
+                    ? ((DebugServerException) cause).getOriginalMessage()
+                    : "Unknown error fetching '" + url + "'.";
+            promise.reject(REJECTION_CODE, message, cause);
+          }
+        });
+  }
+
+  @NonNull
+  @Override
+  public String getName() {
+    return NAME;
+  }
+}