diff options
Diffstat (limited to 'colors/wcag.sh')
| -rw-r--r-- | colors/wcag.sh | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/colors/wcag.sh b/colors/wcag.sh deleted file mode 100644 index 4b8d313..0000000 --- a/colors/wcag.sh +++ /dev/null @@ -1,57 +0,0 @@ -#!/bin/sh -. ./ansi.sh -. ./colors.sh - -# this uses the webaim.org contrast checker api to check all colors against -# background. -# depends on jo, jq, and xh - -[ $# -lt 0 ] || set -- \ - red green yellow blue magenta cyan white \ - brred brgreen bryellow brblue brmagenta brcyan brwhite - -# lower: error if below this -lower=4.5 -# higher: warn if below this -higher=7 - -# reset after printing -reprint() { - printf '%s%s' "$@" "$(reset)" -} - -prefix() { - reprint "$(acol $1)$2" -} - -demo() { - reprint "$(fgc $color)$(bgc $background)demo text" -} - -# $1 should be "fail" or "warn" -fmt() { - case "$1" in - fail) printf '"%s: #%s at \(.ratio)\t%s (%s)\n"' \ - "$(prefix 31 fail)" "$color" "$(demo)" "$colnm";; - warn) printf '"%s: #%s at \(.ratio)\t%s (%s)\n"' \ - "$(prefix 33 warn)" "$color" "$(demo)" "$colnm";; - *) printf '""' ;; - esac -} - -# reads stdin (json) and prints information about color if it fails -check() { - jq -j " - if (.ratio | tonumber) < $lower then $(fmt fail) - elif (.ratio | tonumber) < $higher then $(fmt warn) - else $(fmt none) - end" -} - -for i; do - color=$(eval echo '$'$i) - colnm=$i - xh https://webaim.org/resources/contrastchecker/ api== \ - bcolor==$background fcolor==$color | \ - jo -f- color=$color | check - done |