@sphereon/did-auth-siop/lib/helpers/ObjectUtils.ts

Self Issued OpenID V2 (SIOPv2) and OpenID 4 Verifiable Presentations (OID4VP)

import { JSONPath as jp } from '@astronautlabs/jsonpath'

// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function extractDataFromPath(obj: unknown, path: string): { path: string[]; value: any }[] {
  return jp.nodes(obj, path)
}

export function isStringNullOrEmpty(key: string) {
  return !key || !key.length
}

export function removeNullUndefined<T>(data: T): T {
  if (!data) {
    return data
  }
  //transform properties into key-values pairs and filter all the empty-values
  const entries = Object.entries(data).filter(([, value]) => value != null)
  //map through all the remaining properties and check if the value is an object.
  //if value is object, use recursion to remove empty properties
  const clean = entries.map(([key, v]) => {
    const value = typeof v === 'object' && !Array.isArray(v) ? removeNullUndefined(v) : v
    return [key, value]
  })
  //transform the key-value pairs back to an object.
  return Object.fromEntries(clean) as T
}