How to send data from localstorage to LiveView on initial load

chrismccord · March 23, 2020, 4:17pm

get_connect_params/1 is what you’re looking for

phoenixframework/phoenix_live_view/blob/ee22093f9e4e4b211da4de6b40da7c729319e21a/lib/phoenix_live_view.ex#L1669-L1682


@doc """
Accesses the connect params sent by the client for use on connected mount.


Connect params are only sent when the client connects to the server and
only remain available during mount. `nil` is returned when called in a
disconnected state and a `RuntimeError` is raised if called after mount.


## Examples


    def mount(_params, _session, socket) do
      {:ok, assign(socket, width: get_connect_params(socket)["width"] || @width)}
    end
"""
def get_connect_params(%Socket{private: private} = socket) do