fix: proper multibytes chars alignment (#560)

I am 100% did not spoil anything, I swear

2 files changed, 10 insertions, 4 deletions

diff --git a/lua/telescope/pickers/entry_display.lua b/lua/telescope/pickers/entry_display.lua
index 7e38ac8..991c9bc 100644
--- a/lua/telescope/pickers/entry_display.lua
+++ b/lua/telescope/pickers/entry_display.lua
@@ -28,13 +28,12 @@ entry_display.create = function(configuration)
   local generator = {}
   for _, v in ipairs(configuration.items) do
     if v.width then
-      local justify = not v.right_justify and "-" or ""
-      local format_str = "%" .. justify .. v.width .. "s"
+      local justify = v.right_justify
       table.insert(generator, function(item)
         if type(item) == 'table' then
-          return string.format(format_str, entry_display.truncate(item[1], v.width)), item[2]
+          return utils.align_str(entry_display.truncate(item[1], v.width), v.width, justify), item[2]
         else
-          return string.format(format_str, entry_display.truncate(item, v.width))
+          return utils.align_str(entry_display.truncate(item, v.width), v.width, justify)
         end
       end)
     else
diff --git a/lua/telescope/utils.lua b/lua/telescope/utils.lua
index 4606e19..ecd7fd4 100644
--- a/lua/telescope/utils.lua
+++ b/lua/telescope/utils.lua
@@ -284,4 +284,11 @@ function utils.strcharpart(str, nchar, charlen)
   return str:sub(nbyte + 1, nbyte + len)
 end
 
+utils.align_str = function(string, width, right_justify)
+  local str_len = utils.strdisplaywidth(string)
+  return right_justify
+    and string.rep(" ", width - str_len)..string
+    or string..string.rep(" ", width - str_len)
+end
+
 return utils