refactor(lsp): turn completion popup and request into classes

lua/lsp/completion/init.lua

@@ -1,8 +1,10 @@
-local popup = require("lsp.completion.popup")
+local Popup = require("lsp.completion.popup")
 local request = require("lsp.completion.request")
 
 local GROUP = vim.api.nvim_create_augroup("ow.lsp.completion", { clear = true })
 
+local popup = Popup.new()
+
 local M = {}
 
 ---@param capabilities lsp.ClientCapabilities
@@ -48,7 +50,9 @@ function M.setup()
             local client = client_id and vim.lsp.get_client_by_id(client_id)
 
             if not lsp_item or not client then
-                vim.schedule(popup.close)
+                vim.schedule(function()
+                    popup:close()
+                end)
                 return
             end
 
@@ -67,7 +71,7 @@ function M.setup()
                     vim.lsp.protocol.Methods.completionItem_resolve
                 )
             then
-                popup.dispatch_resolve(
+                popup:dispatch_resolve(
                     client,
                     lsp_item,
                     ft,
@@ -77,7 +81,7 @@ function M.setup()
                 )
             else
                 vim.schedule(function()
-                    popup.show_for(lsp_item, ft, pum)
+                    popup:show(lsp_item, ft, pum)
                 end)
             end
         end,
@@ -85,14 +89,16 @@ function M.setup()
 
     vim.api.nvim_create_autocmd({ "CompleteDonePre", "InsertLeave" }, {
         group = GROUP,
-        callback = popup.close,
+        callback = function()
+            popup:close()
+        end,
     })
 
     ---@param key string
     ---@param action fun()
     local function scroll_map(key, action)
         vim.keymap.set("i", key, function()
-            if popup.is_visible() then
+            if popup:is_visible() then
                 vim.schedule(action)
                 return ""
             end
@@ -100,16 +106,16 @@ function M.setup()
         end, { expr = true, replace_keycodes = true })
     end
     scroll_map("<C-d>", function()
-        popup.scroll_half(vim.keycode("<C-e>"))
+        popup:scroll_half(vim.keycode("<C-e>"))
     end)
     scroll_map("<C-u>", function()
-        popup.scroll_half(vim.keycode("<C-y>"))
+        popup:scroll_half(vim.keycode("<C-y>"))
     end)
     scroll_map("<C-j>", function()
-        popup.scroll_line(vim.keycode("<C-e>"))
+        popup:scroll_line(vim.keycode("<C-e>"))
     end)
     scroll_map("<C-k>", function()
-        popup.scroll_line(vim.keycode("<C-y>"))
+        popup:scroll_line(vim.keycode("<C-y>"))
     end)
 end