kaa.python
I have a function in SharedView:
def my_func1(var1) do
"hello #{var1}"
end
I want to be able to call it from my html templates using only its name, without the name of the module. I’ve tried this:
# web.ex
def view do
quote do
use Phoenix.View, root: "web/templates"
# ............
import MyApp.SharedView, only: [my_func1: 1]
but it threw an exception:
you are trying to use the module MyApp.SharedView which is currently being defined.
How should I import it properly?
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chrismccord
Since your
SharedViewmodule also has thisquoteblock injected, it’s trying to import itself, which is causing the error. The easiest option is to my those function, i.e.my_func/1to another module that you import in theviewblock instead of defining it on SharedViewMost Liked
LostKobrakai
SharedView is for shared templates. It’s not ideal to share functions in it with other views. To share function just copy what phoenix does with ErrorHelpers. There’s a ErrorHelpers module in the views folder and that module is imported in the web.ex file for views. ErrorHelpers is a plain elixir module, so you don’t have that circular import like with SharedView.
LostKobrakai
The templates are essentially part of the related view module, so just alias it in the view module of the template you need the function in.
NobbZ
Usually, there is a module
$MyApp.Webwhich has a functionview/0, which returns a quoted block. Just addalias $MyApp.SharedViewin the quote. You can then access that module from every view asSharedView, by addingalias $MyApp.SharedView, as: SVyou can access it by usingSV.Last Post!
gregvaughn
^ yep, that was exactly what I meant above