diff options
| -rw-r--r-- | runtime/lua/vim/_meta.lua | 12 | ||||
| -rw-r--r-- | test/functional/lua/vim_spec.lua | 64 |
2 files changed, 76 insertions, 0 deletions
diff --git a/runtime/lua/vim/_meta.lua b/runtime/lua/vim/_meta.lua index 416746b2cc..b1f935541c 100644 --- a/runtime/lua/vim/_meta.lua +++ b/runtime/lua/vim/_meta.lua @@ -414,6 +414,12 @@ local convert_value_to_lua = (function() return value end + -- Empty strings mean that there is nothing there, + -- so empty table should be returned. + if value == '' then + return {} + end + -- Handles unescaped commas in a list. if string.find(value, ",,,") then local comma_split = vim.split(value, ",,,") @@ -451,6 +457,12 @@ local convert_value_to_lua = (function() [OptionTypes.SET] = function(info, value) if type(value) == "table" then return value end + -- Empty strings mean that there is nothing there, + -- so empty table should be returned. + if value == '' then + return {} + end + assert(info.flaglist, "That is the only one I know how to handle") if info.flaglist and info.commalist then diff --git a/test/functional/lua/vim_spec.lua b/test/functional/lua/vim_spec.lua index ad0bb50c6e..eff838aea3 100644 --- a/test/functional/lua/vim_spec.lua +++ b/test/functional/lua/vim_spec.lua @@ -1751,6 +1751,70 @@ describe('lua stdlib', function() eq({{"^,", "a", "b", "c"}, "a,b,^,,c"}, result) end) + + + + describe('https://github.com/neovim/neovim/issues/14828', function() + it('gives empty list when item is empty:array', function() + eq({}, exec_lua [[ + vim.cmd("set wildignore=") + return vim.opt.wildignore:get() + ]]) + + eq({}, exec_lua [[ + vim.opt.wildignore = {} + return vim.opt.wildignore:get() + ]]) + end) + + it('gives empty list when item is empty:set', function() + eq({}, exec_lua [[ + vim.cmd("set formatoptions=") + return vim.opt.formatoptions:get() + ]]) + + eq({}, exec_lua [[ + vim.opt.formatoptions = {} + return vim.opt.formatoptions:get() + ]]) + end) + + it('does not append to empty item', function() + eq({"*.foo", "*.bar"}, exec_lua [[ + vim.opt.wildignore = {} + vim.opt.wildignore:append { "*.foo", "*.bar" } + + return vim.opt.wildignore:get() + ]]) + end) + + it('does not prepend to empty item', function() + eq({"*.foo", "*.bar"}, exec_lua [[ + vim.opt.wildignore = {} + vim.opt.wildignore:prepend { "*.foo", "*.bar" } + + return vim.opt.wildignore:get() + ]]) + end) + + it('append to empty set', function() + eq({ t = true }, exec_lua [[ + vim.opt.formatoptions = {} + vim.opt.formatoptions:append("t") + + return vim.opt.formatoptions:get() + ]]) + end) + + it('prepend to empty set', function() + eq({ t = true }, exec_lua [[ + vim.opt.formatoptions = {} + vim.opt.formatoptions:prepend("t") + + return vim.opt.formatoptions:get() + ]]) + end) + end) end) -- vim.opt it('vim.cmd', function() |