fix(picker): show_empty for files / grep. Closes #808

lua/snacks/picker/config/defaults.lua

@@ -84,7 +84,9 @@ local M = {}
 ---@field prompt? string prompt text / icon
 ---@field title? string defaults to a capitalized source name
 ---@field auto_close? boolean automatically close the picker when focusing another window (defaults to true)
+---@field show_empty? boolean show the picker even when there are no items
 ---@field focus? "input"|"list"|false where to focus when the picker is opened (defaults to "input")
+---@field toggles? table<string, string|false|snacks.picker.toggle>
 --- Preset options
 ---@field previewers? snacks.picker.previewers.Config|{}
 ---@field formatters? snacks.picker.formatters.Config|{}
@@ -168,7 +170,6 @@ local defaults = {
     reuse_win = false, -- reuse an existing window if the buffer is already open
     close = true, -- close the picker when jumping/editing to a location (defaults to true)
   },
-  ---@type table<string, string|false|snacks.picker.toggle>
   toggles = {
     follow = "f",
     hidden = "h",

lua/snacks/picker/config/sources.lua

@@ -161,6 +161,7 @@ M.diagnostics_buffer = {
 M.files = {
   finder = "files",
   format = "file",
+  show_empty = true,
   hidden = false,
   ignored = false,
   follow = false,
@@ -189,6 +190,7 @@ M.git_branches = {
 ---@field submodules? boolean show submodule files
 M.git_files = {
   finder = "git_files",
+  show_empty = true,
   format = "file",
   untracked = false,
   submodules = false,
@@ -270,11 +272,12 @@ M.grep = {
   finder = "grep",
   regex = true,
   format = "file",
+  show_empty = true,
   live = true, -- live grep by default
   supports_live = true,
 }
 
----@type snacks.picker.grep.Config
+---@type snacks.picker.grep.Config|{}
 M.grep_buffers = {
   finder = "grep",
   format = "file",
@@ -284,7 +287,7 @@ M.grep_buffers = {
   supports_live = true,
 }
 
----@type snacks.picker.grep.Config
+---@type snacks.picker.grep.Config|{}
 M.grep_word = {
   finder = "grep",
   format = "file",

lua/snacks/picker/core/picker.lua

@@ -639,7 +639,7 @@ function M:update()
     if self.opts.live then
       self:show()
     elseif not self:is_active() then
-      if count == 0 then
+      if count == 0 and not self.opts.show_empty then
         -- no results found
         local msg = "No results"
         if self.opts.source then