1 files changed, 58 insertions, 0 deletions
diff --git a/lua/muwiki/links/detection.lua b/lua/muwiki/links/detection.lua
new file mode 100644
index 0000000..356e0ba
--- /dev/null
+++ b/lua/muwiki/links/detection.lua
@@ -0,0 +1,58 @@
+local M = {}
+
+local function get_link_type(target)
+  if target:match('^https?://') then
+    return 'web'
+  end
+  if target:match('^file://') then
+    return 'file'
+  end
+  return 'wiki'
+end
+
+function M.get_link()
+  local cursor = vim.api.nvim_win_get_cursor(0)
+
+  local ok, node = pcall(vim.treesitter.get_node, {
+    bufnr = 0,
+    pos = { cursor[1] - 1, cursor[2] },
+    lang = 'markdown',
+    ignore_injections = false,
+  })
+
+  if not ok or not node then
+    return nil
+  end
+
+  local link_node = node
+  while link_node and link_node:type() ~= 'inline_link' do
+    link_node = link_node:parent()
+  end
+
+  if not link_node then
+    return nil
+  end
+
+  local text_node, dest_node
+  for child in link_node:iter_children() do
+    local t = child:type()
+    if t == 'link_text' then
+      text_node = child
+    elseif t == 'link_destination' then
+      dest_node = child
+    end
+  end
+
+  if not text_node or not dest_node then
+    return nil
+  end
+
+  local destination = vim.treesitter.get_node_text(dest_node, 0)
+  return {
+    text = vim.treesitter.get_node_text(text_node, 0),
+    target = destination,
+    type = get_link_type(destination),
+  }
+end
+
+return M