include helper function to open url in browser

Author: thenbe

README.md

@@ -6,11 +6,8 @@ In `visual` mode, searches for the selected text.
 
 ### Demo
 
-
 https://user-images.githubusercontent.com/33713262/226383032-113b4db8-27a3-4b8f-aa36-c0765b2cc903.mp4
 
-
-
 ### Install
 
 ```lua
@@ -21,18 +18,18 @@ https://user-images.githubusercontent.com/33713262/226383032-113b4db8-27a3-4b8f-
     {
       "<leader>feg",
       function()
-        local url = require("csgithub").search({
+        local csgithub = require("csgithub")
+
+        local url = csgithub.search({
           includeFilename = false,
           includeExtension = true,
         })
 
-        if url then
-          require("util").open_url(url)
-        end
+        csgithub.open(url)
       end,
       mode = { "n", "v" },
       desc = "Search Github",
     },
   },
-},
+}
 ```

lua/csgithub/init.lua

@@ -17,4 +17,20 @@ M.search = function(args)
 	return url
 end
 
+function M.open(url)
+	-- return if url is empty
+	if url == nil or url == "" then
+		print("Error: url is empty!")
+		return
+	end
+
+	if vim.fn.has("mac") == 1 then
+		vim.fn.jobstart({ "open", url }, { detach = true })
+	elseif vim.fn.has("unix") == 1 then
+		vim.fn.jobstart({ "xdg-open", url }, { detach = true })
+	else
+		print("Error: unknown open command on this OS!")
+	end
+end
+
 return M