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perf(spectrum): build the FG and BG tables without a 256-iteration loop (#14073)

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Robby Russell
2026-09-09 17:03:49 +02:00
committed by GitHub
parent 391cafc4cf
commit 8e5f198226
1 changed files with 10 additions and 4 deletions
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lib/spectrum.zsh
+10 -4
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@@ -14,10 +14,16 @@ FX=(
reverse "%{%}" no-reverse "%{%}" reverse "%{%}" no-reverse "%{%}"
) )
for color in {000..255}; do # Build the tables with array operations instead of a 256-iteration loop
FG[$color]="%{[38;5;${color}m%}" () {
BG[$color]="%{[48;5;${color}m%}" setopt localoptions noksharrays
done local -a codes fg bg
codes=({000..255})
fg=( "%{"$'\e'"[38;5;"${^codes}"m%}" )
bg=( "%{"$'\e'"[48;5;"${^codes}"m%}" )
FG=( ${codes:^fg} )
BG=( ${codes:^bg} )
}
# Show all 256 colors with color number # Show all 256 colors with color number
function spectrum_ls() { function spectrum_ls() {