Add extractor for om.co

lib/frenzy/pipeline/extractor/om_malik.ex

@@ -0,0 +1,23 @@
+defmodule Frenzy.Pipeline.Extractor.OmMalik do
+  @moduledoc """
+  Extractor for https://om.co
+  """
+
+  alias Frenzy.Pipeline.Extractor
+  @behaviour Extractor
+
+  @impl Extractor
+  def extract(html_tree) do
+    case Floki.find(html_tree, ".entry-content") do
+      [content_elem | _] ->
+        {
+          :ok,
+          # remove related posts list
+          Floki.filter_out(content_elem, ".rpbt_shortcode")
+        }
+
+      _ ->
+        {:error, "no matching elements"}
+    end
+  end
+end

lib/frenzy/pipeline/scrape_stage.ex

@@ -39,15 +39,21 @@ defmodule Frenzy.Pipeline.ScrapeStage do
           end
       end
 
-    case opts["convert_to_data_uris"] do
-      nil ->
-        {:ok, %{opts | convert_to_data_uris: true}}
+    case opts do
+      {:ok, opts} ->
+        case opts["convert_to_data_uris"] do
+          nil ->
+            {:ok, %{opts | convert_to_data_uris: true}}
 
-      value when is_boolean(value) ->
-        {:ok, opts}
+          value when is_boolean(value) ->
+            {:ok, opts}
+
+          _ ->
+            {:error, "convert_to_data_uris must be a boolean"}
+        end
 
       _ ->
-        {:error, "convert_to_data_uris must be a boolean"}
+        opts
     end
   end