docs and build shit

2026-08-31 19:01:42 +02:00
parent 0f0939550c
commit 3a6f106c80
6 changed files with 161 additions and 28 deletions
@@ -0,0 +1,52 @@
+-- Neovim preview for Luma files.
+--
+-- Set LUMA_MARKDOWN_BIN to the path of the generated executable, or make
+-- luma_markdown available on PATH:
+--   export LUMA_MARKDOWN_BIN="$PWD/luma_markdown"
+
+local preview_buf = nil
+local preview_win = nil
+
+local function update_luma_preview()
+  local src_buf = vim.api.nvim_get_current_buf()
+  local lines = vim.api.nvim_buf_get_lines(src_buf, 0, -1, false)
+  local cmd = vim.env.LUMA_MARKDOWN_BIN or "luma_markdown"
+  local output = vim.fn.systemlist(cmd, lines)
+
+  if not preview_buf or not vim.api.nvim_buf_is_valid(preview_buf) then
+    preview_buf = vim.api.nvim_create_buf(false, true)
+    vim.api.nvim_buf_set_option(preview_buf, "buftype", "nofile")
+    vim.api.nvim_buf_set_option(preview_buf, "bufhidden", "hide")
+    vim.api.nvim_buf_set_option(preview_buf, "swapfile", false)
+    vim.api.nvim_buf_set_option(preview_buf, "filetype", "markdown")
+  end
+
+  vim.api.nvim_buf_set_lines(preview_buf, 0, -1, false, output)
+
+  if not preview_win or not vim.api.nvim_win_is_valid(preview_win) then
+    vim.cmd "rightbelow vsplit"
+    preview_win = vim.api.nvim_get_current_win()
+    vim.api.nvim_win_set_buf(preview_win, preview_buf)
+
+    local src_win = vim.fn.bufwinid(src_buf)
+    if src_win ~= -1 then vim.api.nvim_set_current_win(src_win) end
+  end
+end
+
+vim.api.nvim_create_autocmd("BufWritePost", {
+  pattern = "*.luma",
+  callback = update_luma_preview,
+})
+
+vim.api.nvim_create_user_command("LumaPreview", update_luma_preview, {})
+
+local timer = nil
+local function debounced_update()
+  if timer then timer:stop() end
+  timer = vim.defer_fn(update_luma_preview, 150)
+end
+
+vim.api.nvim_create_autocmd({ "TextChanged", "TextChangedI" }, {
+  pattern = "*.luma",
+  callback = debounced_update,
+})