sreyansjain
Hi
I am trying to create a new app using hologram.
Erlang version: OTP 27
Elixir 1.18.0
I start with
mix phx.new insta --no-html --no-live --no-ecto
Then i follow the steps mentioned in the installation page
Then I create a folder call app/pages under the root folder insta
I add a home.ex file in the insta/app/pages folder
The file is -
defmodule Insta.HomePage do
use Hologram.Page
# alias Blog.Components.PostPreview
route "/"
# layout Blog.MainLayout
def init(_params, component, _server) do
posts = [
%{id: 1, title: "First Post", excerpt: "This is my first post"},
%{id: 2, title: "Second Post", excerpt: "Another great post"}
]
put_state(component, :posts, posts)
end
def template do
~H"""
<h1>Welcome to my Blog</h1>
<div class="posts">
{%for post <- @posts}
<p>{post.title}</p>
{/for}
</div>
"""
end
end
The app compiles fine, but I am not able to get anything on the route.
When i do mix holo.routes I get this -
07:35:46.980 [info] Hologram: compiler finished
--------------------------------------------------------------------------------
ROUTE / MODULE / SOURCE FILE
--------------------------------------------------------------------------------
Below is my endpoint file
defmodule InstaWeb.Endpoint do
use Phoenix.Endpoint, otp_app: :insta
use Hologram.Endpoint
# The session will be stored in the cookie and signed,
# this means its contents can be read but not tampered with.
# Set :encryption_salt if you would also like to encrypt it.
@session_options [
store: :cookie,
key: "_insta_key",
signing_salt: "bvfPrVAO",
same_site: "Lax"
]
hologram_socket()
# socket "/live", Phoenix.LiveView.Socket,
# websocket: [connect_info: [session: @session_options]],
# longpoll: [connect_info: [session: @session_options]]
# Serve at "/" the static files from "priv/static" directory.
#
# You should set gzip to true if you are running phx.digest
# when deploying your static files in production.
plug Plug.Static,
at: "/",
from: :insta,
gzip: false,
only: ["hologram" | InstaWeb.static_paths()]
# Code reloading can be explicitly enabled under the
# :code_reloader configuration of your endpoint.
if code_reloading? do
plug Phoenix.CodeReloader
end
plug Phoenix.LiveDashboard.RequestLogger,
param_key: "request_logger",
cookie_key: "request_logger"
plug Plug.RequestId
plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
plug Plug.Parsers,
parsers: [:urlencoded, :multipart, :json],
pass: ["*/*"],
json_decoder: Phoenix.json_library()
plug Plug.MethodOverride
plug Plug.Head
plug Plug.Session, @session_options
plug Hologram.Router
# plug InstaWeb.Router
end
Please advise.
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bartblast
Hey @sreyansjain,
I noticed that the layout module is commented out in your page. This is required. Hologram will raise a compilation error if a page doesn’t have a layout specified - is this the actual code you use?
The layout needs to include the
Hologram.UI.Runtimecomponent which handles rendering the runtime and page JS bundles. Without the Runtime component, your page won’t be properly initialized.sreyansjain
Yes, its the actual code I am using
I have added the layout module
I have uncommented the layout section in the page home.ex
There are no compilation errors. Also there were no compilation errors before adding the layout.
I dont get any routes.
When i do
I get
If I run the project there are no compilation errors, but there are no routes
Were are the routes defined? In the page itself?
Eiji
Looks like you forgot to add something to your app. Please make sure that you follow installation instructions especially the parts of endpoint and router:
bartblast
If this is just a hobby/tinkering project, can you share the GitHub repo?
sreyansjain
Its just a new phoenix project with nothing in it except what should go in for hologram.
You can download here
sreyansjain
I rechecked. I think I have followed the steps mentioned. There’s no error on compiling.
bartblast
Thanks, the problem is that you added your app dir outside the lib dir. If you want it to work that way you need to add the app dir to Elixir compile paths:
in your mix.exs:
sreyansjain
Works. Actually I saw the app folder in the hologram/test/features project so i thought code needs to go in the app folder, but overlooked the paths.
Thank you so much for your time.
bartblast
No worries, happy tinkering