blink: show from all buffers in this win

lua/plugins/blink.lua

@@ -84,7 +84,21 @@ return {
         cmdline_history = {
           name = 'cmdline_history',
           module = 'blink.compat.source',
-        }
+        },
+        buffer = {
+          name = 'Buffer',
+          module = 'blink.cmp.sources.buffer',
+          opts = {
+            -- default to all visible buffers
+            get_bufnrs = function()
+              return vim
+                  .iter(vim.api.nvim_list_wins())
+                  :map(function(win) return vim.api.nvim_win_get_buf(win) end)
+                  :filter(function(buf) return vim.bo[buf].buftype ~= 'nofile' end)
+                  :totable()
+            end,
+          }
+        },
       },
     },