Object deep comparation

index.js

/**
 * Deep object comparation
 *
 * https://dmitripavlutin.com/how-to-compare-objects-in-javascript/
 */
export default {
  methods: {
    deepEqual (object1, object2) {
      const keys1 = Object.keys(object1)
      const keys2 = Object.keys(object2)

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

      for (const key of keys1) {
        const val1 = object1[key]
        const val2 = object2[key]
        const areObjects = this.isObject(val1) && this.isObject(val2)
        if (
          // eslint-disable-next-line no-mixed-operators
          areObjects && !this.deepEqual(val1, val2) || !areObjects && val1 !== val2
        ) {
          return false
        }
      }

      return true
    },

    isObject (object) {
      return object != null && typeof object === 'object'
    }
  }
}