GetHomeScreenObject() from Cosmic JS

getHomeScreenObject.js

async getResObject() {
        const slug = 'home'
        try {

          const res = await bucket.getObject({ slug })
          this.resObject = res

          let metafields = res.object.metafields
          metafields.map((field) => {
            if (field.title == 'HomeScreenTitle') {
              this.homeScreenTitle = field.value
            }
            if (field.title == 'HomeScreenImage') {
              this.homeScreenImage = field.url
            }
            if (field.title = 'HomeScreenTitleImage') {
              this.homeScreenTitleImage = field.url
            }
          })
        }