Method to get google directions api

gDirApi.js

async getDirections(startLoc, destinationLoc) {

      try {
          let resp = await fetch(`https://maps.googleapis.com/maps/api/directions/json?origin=${ startLoc }&destination=${ destinationLoc }`)
          let respJson = await resp.json();
          let points = Polyline.decode(respJson.routes[0].overview_polyline.points);
          let coords = points.map((point, index) => {
              return  {
                  latitude : point[0],
                  longitude : point[1]
              }
          })
          this.setState({coords: coords})
          return coords
      } catch(error) {
          alert(error)
          return error
      }
  }