withPackagingOptions.ts

import { ConfigPlugin, withGradleProperties } from "@expo/config-plugins";

type PackagingOptionsProp = {
  pickFirsts?: string[];
  excludes?: string[];
  merges?: string[];
  doNotStrip?: string[];
};

export const withPackagingOptions: ConfigPlugin<PackagingOptionsProp> = (
  config,
  props
) => {
  const toKey = (key: string) => `android.packagingOptions.${key}`;
  const keys = Object.keys(props).map(toKey);

  return withGradleProperties(config, (config) => {
    config.modResults = config.modResults.filter((item) => {
      if (item.type == "property" && keys.includes(item.key)) {
        return false;
      }
      return true;
    });

    Object.entries(props).forEach(([key, value]) => {
      if (value) {
        config.modResults.push({
          type: "property",
          key: toKey(key),
          value: value.join(","),
        });
      }
    });

    return config;
  });
};