@hackler/react-native-sdk/src/utils/userUtil.ts

React Native SDK for Hackle

import type { User } from '../models';

export class UserUtil {
  static isUserEqual(prevUser?: User | null, currentUser?: User | null) {
    return (
      prevUser?.id === currentUser?.id &&
      prevUser?.deviceId === currentUser?.deviceId &&
      prevUser?.userId === currentUser?.userId &&
      UserUtil.arePropertiesEqual(
        prevUser?.properties,
        currentUser?.properties
      ) &&
      UserUtil.arePropertiesEqual(
        prevUser?.identifiers,
        currentUser?.identifiers
      )
    );
  }

  private static arePropertiesEqual(
    prevProps: unknown,
    currentProps: unknown
  ): boolean {
    const prev = UserUtil.coerceUnknownToProperties(prevProps);
    const current = UserUtil.coerceUnknownToProperties(currentProps);
    const prevKeys = Object.keys(prev);
    const currentKeys = Object.keys(current);
    if (prevKeys.length !== currentKeys.length) {
      return false;
    }
    return prevKeys.every((it) => {
      // @ts-ignore
      return it in current && prev[it] === current[it];
    });
  }

  private static coerceUnknownToProperties(props: unknown) {
    if (typeof props === 'object' && props !== null) {
      return props;
    }
    return {};
  }
}