From 2efccdb4de08b2606fda5db458f594a83e36bf3f Mon Sep 17 00:00:00 2001
From: hektor <hektor.misplon@pm.me>
Date: Sun, 26 Apr 2026 19:00:49 +0200
Subject: [PATCH] feat(hydra): add hydra-repl filetype integration

---
 dots/.config/nvim/after/plugin/hydra.lua | 35 ++++++++++++++++++++++++
 dots/.config/nvim/lua/ftdetect.lua       |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 dots/.config/nvim/after/plugin/hydra.lua

diff --git a/dots/.config/nvim/after/plugin/hydra.lua b/dots/.config/nvim/after/plugin/hydra.lua
new file mode 100644
index 00000000..0d57352a
--- /dev/null
+++ b/dots/.config/nvim/after/plugin/hydra.lua
@@ -0,0 +1,35 @@
+local hydra_repl = "hydra-repl"
+
+if not vim.fn.executable(hydra_repl) then
+  return
+end
+
+local function send(lines)
+  vim.system({ hydra_repl, table.concat(lines, "\n") })
+end
+
+local function get_paragraph(buf)
+  local start_ = vim.fn.search("^$", "bnW")
+  local end_ = vim.fn.search("^$", "nW") - 1
+  if end_ < vim.api.nvim_win_get_cursor(0)[1] then
+    end_ = vim.api.nvim_buf_line_count(buf)
+  end
+  return vim.api.nvim_buf_get_lines(buf, start_, end_, false)
+end
+
+local function get_selection(buf)
+  return vim.api.nvim_buf_get_lines(buf, vim.fn.line("'<") - 1, vim.fn.line("'>"), false)
+end
+
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "javascript",
+  callback = function(e)
+    if vim.fn.fnamemodify(vim.api.nvim_buf_get_name(e.buf), ":e") ~= "hydra" then
+      return
+    end
+
+    local buf = e.buf
+    vim.keymap.set("n", "<CR>", function() send(get_paragraph(buf)) end, { buffer = buf, desc = "hydra: send block" })
+    vim.keymap.set("v", "<CR>", function() send(get_selection(buf)) end, { buffer = buf, desc = "hydra: send selection" })
+  end,
+})
diff --git a/dots/.config/nvim/lua/ftdetect.lua b/dots/.config/nvim/lua/ftdetect.lua
index 28856c51..3ba50bcd 100644
--- a/dots/.config/nvim/lua/ftdetect.lua
+++ b/dots/.config/nvim/lua/ftdetect.lua
@@ -9,5 +9,6 @@ vim.filetype.add({
     ["%.env.*"] = "dotenv",
     ["%.pl$"] = "prolog",
     [".*.containerfile.*"] = "dockerfile",
+    ["%.hydra$"] = "javascript",
   },
 })