@datadog/mobile-react-native/lib/module/metro/plugin/metroConfig.js

A client-side React Native module to interact with Datadog

/*
 * Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
 * This product includes software developed at Datadog (https://www.datadoghq.com/).
 * Copyright 2016-Present Datadog, Inc.
 */

import { createDatadogMetroSerializer, unstable_beforeAssetSerializationPlugin } from './metroSerializer';
import { getDefaultExpoConfig } from './utils';

/**
 * Custom Datadog Metro Configuration.
 */

/**
 * Extends the Metro bundler configuration to integrate with Datadog.
 *
 * *Note: If a custom serializer is used and `config.useDebugId` is set to `true` (as it is by default),
 * you must manually invoke `options.datadogBundleCallback` within the serializer.*
 */
export function withDatadogMetroConfig(config) {
  let newConfig = config;
  if (config.useDebugId ?? true) {
    newConfig = withDatadogDebugId(config);
  }
  return {
    ...newConfig,
    transformer: {
      ...newConfig.transformer
    }
  };
}

/**
 * Extends the Expo configuration to integrate with Datadog.
 * @param config
 * @returns
 */
export function getDatadogExpoConfig(projectRoot, options = {}) {
  const plugins = options.unstable_beforeAssetSerializationPlugins ?? [];
  const datadogOptions = {
    ...options,
    unstable_beforeAssetSerializationPlugins: [...plugins, unstable_beforeAssetSerializationPlugin]
  };
  return (options.getDefaultConfig ?? getDefaultExpoConfig)(projectRoot, datadogOptions);
}

/**
 * Extends the Metro bundler configuration by enabling Debug ID injection.
 * Ref: https://github.com/tc39/ecma426/blob/main/proposals/debug-id.md
 */
export function withDatadogDebugId(config) {
  const customSerializer = createDatadogMetroSerializer(config.serializer?.customSerializer || undefined);
  return {
    ...config,
    serializer: {
      ...config.serializer,
      customSerializer
    }
  };
}
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