Add examples directory: LiveView & Nix

examples/liveview.ex

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+defmodule AppWeb.ExampleLive do
+  use Phoenix.LiveView
+
+  def mount(_params, _session, socket) do
+    # ...
+    {:ok, socket}
+  end
+
+  #...
+
+  def handle_event("generate_pdf", _params, %{assigns: assigns} = socket) do
+    # Passing the assigns to the method, so that the liveview render method can populate the template
+    generate_pdf(assigns)
+    {:noreply, socket}
+  end
+
+  def generate_pdf(assigns) do
+    # Assuming you have a stylesheet applied on the root template, you'll need to include this stylesheet
+    # in the rendered LiveView HTML
+    style = """
+      <link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/semantic.min.css">
+      <link rel="stylesheet" href='/css/app.css'/>
+    """
+    AppWeb.ExampleLive.render(assigns)
+    |> Phoenix.HTML.Safe.to_iodata()
+    |> List.to_string()
+    |> Kernel.<>(style)
+    |> PdfGenerator.generate!(page_size: "A4", generator: :chrome, prefer_system_executable: true)
+  end
+end

examples/nix/Makefile

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+default:
+	node2nix -i node-packages.json --nodejs-13

examples/nix/default.nix

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+# This file has been generated by node2nix 1.8.0. Do not edit!
+
+{pkgs ? import <nixpkgs> {
+    inherit system;
+  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-13_x"}:
+
+let
+  nodeEnv = import ./node-env.nix {
+    inherit (pkgs) stdenv python2 utillinux runCommand writeTextFile;
+    inherit nodejs;
+    libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
+  };
+in
+import ./node-packages.nix {
+  inherit (pkgs) fetchurl fetchgit;
+  inherit nodeEnv;
+}