Fix exile process read new line out of order spellcheck

Dockerfile

@@ -47,10 +47,11 @@ COPY config config
 RUN mix deps.get --only prod
 RUN mix deps.compile --only prod
 
-COPY vendor vendor
+COPY vendor/language_tool/priv/ vendor/language_tool/priv/
 RUN cd ./vendor/language_tool/priv/native/languagetool && ./gradlew shadowJar
 RUN cp ./vendor/language_tool/priv/native/languagetool/app/build/libs/language-tool.jar priv/native/language-tool.jar
 
+COPY vendor vendor
 COPY lib lib
 
 RUN mix compile --only prod

vendor/language_tool/lib/language_tool/backend.ex

@@ -82,17 +82,29 @@ defmodule LanguageTool.Backend do
  end
 
  defp process_check(process, lang, text) do
- lang = sanitize_lang(lang)
- Exile.Process.write(process, IO.iodata_to_binary([String.pad_trailing(lang, 7), text, "\n"]))
+ write_process(process, lang, text)
 
- with {:ok, data} <- Exile.Process.read(process),
+ with {:ok, data} <- read_process_until_result(process),
  {:ok, data} <- Jason.decode(data) do
  data
  else
- _ -> nil
+ _ ->
+ nil
+ end
+ end
+
+ defp read_process_until_result(process) do
+ case Exile.Process.read(process) do
+ {:ok, "\n"} -> read_process_until_result(process)
+ result -> result
  end
  end
 
+ defp write_process(process, lang, text) do
+ lang = sanitize_lang(lang)
+ Exile.Process.write(process, IO.iodata_to_binary([String.pad_trailing(lang, 7), text, "\n"]))
+ end
+
  defp sanitize_lang(lang) do
  if lang === "en" do
  "en-US"