fix: improve repo path extraction under cursor

lua/open-github-url.lua

@@ -13,19 +13,38 @@ function M.open_url(url)
 end
 
 function M.get_repo_path_under_cursor()
-  local current_line_text = vim.fn.getline(".")
-  local url_pattern = [[\v('|")(\w|-|_|.)+/(\w|-|_|.)+('|")]]
-  local vim_regex = vim.regex(url_pattern)
-  local from_idx, to_idx = vim_regex:match_str(current_line_text)
-  if from_idx == nil or to_idx == nil then
-    return nil
+  local col = vim.fn.col(".")
+  local line = vim.fn.getline(".")
+
+  local left = col
+  while left > 1 do
+    local c = line:sub(left - 1, left - 1)
+    if c == "'" or c == '"' then
+      break
+    end
+    left = left - 1
+  end
+
+  local right = col
+  while right <= #line do
+    local c = line:sub(right, right)
+    if c == "'" or c == '"' then
+      break
+    end
+    right = right + 1
+  end
+
+  local candidate = line:sub(left, right - 1)
+
+  if candidate:match("^[%w._-]+/[%w._-]+$") then
+    return candidate
   end
-  return string.sub(current_line_text, from_idx + 2, to_idx - 1)
+  return nil
 end
 
 function M.open_github_url_under_cursor()
   local repo_path = M.get_repo_path_under_cursor()
-  if repo_path ~= "" then
+  if repo_path and repo_path ~= "" then
     M.open_url("https://github.com/" .. repo_path)
   end
 end
@@ -34,7 +53,7 @@ local function setup_commands()
   local cmd = vim.api.nvim_create_user_command
   cmd("OpenUrl", function(opts) M.open_url(opts.fargs[1]) end, { nargs = 1 })
   cmd("OpenGitHubUrlUnderCursor", function() M.open_github_url_under_cursor() end, {})
-  cmd("GetRepoPathUnderCursor", function() M.get_repo_path_under_cursor() end, {})
+  cmd("GetRepoPathUnderCursor", function() print(M.get_repo_path_under_cursor() or "") end, {})
 end
 
 function M.setup()