cheetah-framework/js/framework/utils/Extends.js

Cheetah Framework JS used in all our applications

import Vue from 'vue'

export default {
  removeLifeCycle (vueObject) {
    const clonedVueObject = _.clone(vueObject)

    delete clonedVueObject.beforeCreate
    delete clonedVueObject.created
    delete clonedVueObject.beforeMount
    delete clonedVueObject.mounted
    delete clonedVueObject.beforeUpdate
    delete clonedVueObject.updated
    delete clonedVueObject.beforeDestroy
    delete clonedVueObject.destroyed

    return clonedVueObject
  },

  extend (extendedComponent, newComponent) {
    extendedComponent.methods = _.extend(extendedComponent.methods, newComponent.methods)
    extendedComponent.computed = _.extend(extendedComponent.computed, newComponent.computed)

    addExtendedComponentMixin(extendedComponent, newComponent)

    return Vue.extend({
      mixins: [
        this.removeLifeCycle(extendedComponent),
        newComponent,
      ]
    })
  },

  mergeArrayOptions (toVal, fromVal) {
    if (!fromVal) {
      return toVal
    }

    if (!toVal) {
      return fromVal
    }

    return _.uniq(fromVal.concat(toVal))
  }
}

function addExtendedComponentMixin (extendedComponent, newComponent) {
  if (!(extendedComponent.mixins instanceof Array)) {
    extendedComponent.mixins = []
  }

  extendedComponent.mixins.push(newComponent)
}