new nvim config

nvim/lua/user/utils/buffers.lua

@@ -0,0 +1,58 @@
+-- Helper functions for dealing with buffers
+local M = {}
+
+function M.Close(buf)
+    -- check if mini is installed.
+    local hasmini, mini = pcall(require,"mini.bufremove")
+    if hasmini then
+        local bd = mini.delete
+        if vim.bo[buf].modified then
+            local bufname = vim.fn.bufname(buf)
+            local choice = vim.fn.confirm(("Save changes to %q?"):format(bufname), "&Yes\n&No\n&Cancel")
+            if choice == 1 then -- Yes
+                vim.cmd(("%i,%ibufdo w"):format(buf, buf))
+                bd(buf)
+            elseif choice == 2 then -- No
+                bd(buf, true)
+            end
+        else
+            bd(buf)
+        end
+        -- fallback to native nvim api
+    else
+        vim.api.nvim_buf_delete(buf, {})
+    end
+end
+
+-- Close current buffer
+function M.CloseCurrent()
+    M.Close(vim.api.nvim_get_current_buf())
+end
+
+-- Close all but current buffer
+function M.CloseOthers()
+    for _, i in ipairs(vim.api.nvim_list_bufs()) do
+        if i ~= vim.api.nvim_get_current_buf() then
+            M.Close(i)
+        end
+    end
+end
+
+-- Close all open buffers
+function M.CloseAll()
+    for _, i in ipairs(vim.api.nvim_list_bufs()) do
+        M.Close(i)
+    end
+end
+
+function M.GetLoaded()
+    local loaded = {}
+    for i, hnd in ipairs(vim.api.nvim_list_bufs()) do
+        if vim.api.nvim_buf_is_loaded(hnd) then
+            loaded[i] = hnd
+        end
+    end
+    return loaded
+end
+
+return M