{ and } motions in quoted text (markdown)

[etc/lazyvim.git] / .config / lazyvim / after / ftplugin / markdown.lua

diff --git a/.config/lazyvim/after/ftplugin/markdown.lua b/.config/lazyvim/after/ftplugin/markdown.lua
index 304a8520b99beb06d05df3397279a4058660454d..dbd24dcd9173d0374077e9c385d6f6f5b4a0cca4 100644 (file)
--- a/.config/lazyvim/after/ftplugin/markdown.lua
+++ b/.config/lazyvim/after/ftplugin/markdown.lua
@@ -4,3 +4,38 @@ if not i then
 end
 
 vim.g.table_mode_corner = "|"
+
+-- {{{ support { and } motions across quoted text/blockquotes
+-- written by @seandewar on 2025-05-20 in #neovim:matrix.org
+local function make_jump_fn(backwards)
+  return function()
+    local skip_flags = "W" .. (backwards and "be" or "")
+    local jump_flags = "c" .. skip_flags
+    local at_end = false
+
+    for _ = 1, vim.v.count1 do
+      local lnum = vim.api.nvim_win_get_cursor(0)[1]
+      -- First, check whether the cursor is already between paragraphs (in an
+      -- empty line/block), and skip past it if we are
+      if vim.fn.search([[^$]], "ncW", lnum) ~= 0 then
+        at_end = vim.fn.search([[.]], skip_flags) == 0
+      elseif vim.fn.search([[^\%(>\s*\)\+\zs$]], "ncW", lnum) ~= 0 then
+        -- In-between paragraphs inside a (possibly nested) block.
+        local depth = select(2, vim.fn.getline(lnum):gsub(">", ""))
+        at_end = vim.fn.search(([[^\%%(\%%(>\s*\)\{%u}$\)\@!.*$]]):format(depth), skip_flags) == 0
+      end
+
+      -- Finally, jump past the next paragraph, or to the beginning/end of the
+      -- buffer if there's no more
+      if at_end or vim.fn.search([[^$\|^\%(>\s*\)\+\zs$]], jump_flags) == 0 then
+        vim.fn.cursor(backwards and 1 or "$", backwards and 1 or vim.v.maxcol)
+        return
+      end
+    end
+  end
+end
+
+vim.keymap.set({ "n", "v" }, "}", make_jump_fn(false), { buffer = true })
+vim.keymap.set({ "n", "v" }, "{", make_jump_fn(true), { buffer = true })
+
+-- }}}