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Static site generator for elixir
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lib/tableau_dev_server/router.ex
defmodule TableauDevServer.Router do
@moduledoc false
use Plug.Router, init_mode: :runtime
use Plug.Debugger
require Logger
@base_path Path.join("/", Application.compile_env(:tableau, [:config, :base_path], ""))
@not_found ~s'''
<!DOCTYPE html><html lang="en"><head></head><body>Not Found</body></html>
'''
plug :recompile
plug :rerender
plug TableauDevServer.IndexHtml
plug Plug.Static, at: @base_path, from: "_site", cache_control_for_etags: "no-cache"
plug :match
plug :dispatch
get "/ws/index.html" do
conn
|> WebSockAdapter.upgrade(TableauDevServer.Websocket, [], timeout: 60_000)
|> halt()
end
match _ do
Logger.error("File not found: #{conn.request_path}")
send_resp(conn, 404, @not_found)
end
defp recompile(conn, _) do
if conn.request_path == "/ws" do
conn
else
case WebDevUtils.CodeReloader.reload() do
{:error, errors} ->
errors = Enum.filter(errors, &(&1.severity == :error))
message =
errors
|> Enum.map_join("\n", & &1.message)
|> String.replace(~r/\x1B\[[0-9;]*m/, "")
stacktrace = List.first(errors).stacktrace
reraise CompileError, [description: message], stacktrace
_ ->
conn
end
end
end
defp rerender(conn, _) do
if conn.request_path != "/ws" do
Mix.Task.rerun("tableau.build", ["--out", "_site"])
end
conn
end
end