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spotify-widget: check for utf8 support

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which is only availble in Lua 5.3+. Tested using Lua 5.1.5
This commit is contained in:
Nuno Silva 2022-02-08 08:39:38 +00:00
parent 3302e4f921
commit 3164a39b4f
1 changed files with 5 additions and 1 deletions
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6
spotify-widget/spotify.lua
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@ -16,6 +16,10 @@ local GET_SPOTIFY_STATUS_CMD = 'sp status'
local GET_CURRENT_SONG_CMD = 'sp current'
local function ellipsize(text, length)
-- utf8 only available in Lua 5.3+
if utf8 == nil then
return text:sub(0, length)
end
return (utf8.len(text) > length and length > 0)
and text:sub(0, utf8.offset(text, length - 2) - 1) .. '...'
or text
@ -154,4 +158,4 @@ end
return setmetatable(spotify_widget, { __call = function(_, ...)
return worker(...)
end })
end })