feat: universal selector (#1877)

lua/avante/ui/selector/providers/mini_pick.lua

@@ -0,0 +1,37 @@
+local Utils = require("avante.utils")
+local M = {}
+
+---@param selector avante.ui.Selector
+function M.show(selector)
+  -- luacheck: globals MiniPick
+  ---@diagnostic disable-next-line: undefined-field
+  if not _G.MiniPick then
+    Utils.error("mini.pick is not set up. Please install and set up mini.pick to use it as a file selector.")
+    return
+  end
+  local items = {}
+  local title_to_id = {}
+  for _, item in ipairs(selector.items) do
+    title_to_id[item.title] = item.id
+    if not vim.list_contains(selector.selected_item_ids, item.id) then table.insert(items, item) end
+  end
+  local function choose(item)
+    if not item then
+      selector.on_select(nil)
+      return
+    end
+    local item_ids = {}
+    ---item is not a list
+    for _, item_ in pairs(item) do
+      table.insert(item_ids, title_to_id[item_])
+    end
+    selector.on_select(item_ids)
+  end
+  ---@diagnostic disable-next-line: undefined-global
+  MiniPick.ui_select(items, {
+    prompt = selector.title,
+    format_item = function(item) return item.title end,
+  }, choose)
+end
+
+return M