@olton/latte/src/helpers/objects.js

Simple test framework for JavaScript and TypeScript with DOM supports

export const deepEqual = (obj1, obj2) => {
  if (obj1 === obj2) {
    return true
  }

  if (obj1 == null || obj2 == null) {
    return false
  }

  if (typeof obj1 !== 'object' || typeof obj2 !== 'object') {
    return false
  }

  const keys1 = Object.keys(obj1)
  const keys2 = Object.keys(obj2)

  if (keys1.length !== keys2.length) {
    return false
  }

  for (const key of keys1) {
    if (!keys2.includes(key) || !deepEqual(obj1[key], obj2[key])) {
      return false
    }
  }

  return true
}

export function compareStructure (obj1, obj2) {
  if (obj1 == null || obj2 == null) {
    return false
  }

  if (typeof obj1 !== 'object' || typeof obj2 !== 'object') {
    return false
  }

  const keys1 = Object.keys(obj1)
  const keys2 = Object.keys(obj2)

  if (keys1.length !== keys2.length) {
    return false
  }

  for (const key of keys1) {
    if (!keys2.includes(key)) {
      return false
    }
    if (typeof obj1[key] === 'object' && typeof obj2[key] === 'object') {
      if (!compareStructure(obj1[key], obj2[key])) {
        return false
      }
    }
  }

  return true
}