giles
609be68c9c
- tw.sx: core engine (HSL color computation, token processor, responsive/ state prefixes) + visual styles (colors, borders, shadows, ring, opacity, transitions, animations, transforms, cursor, decoration) - tw-layout.sx: spatial arrangement (flex, grid, position, spacing, display, sizing, overflow, z-index, aspect-ratio, visibility) - tw-type.sx: typography (font size/weight/family, line-height, tracking, text alignment/transform/wrap, whitespace, word-break, truncate, lists, hyphens, font-variant-numeric, antialiasing) 22 color names × infinite shades via HSL computation (not lookup tables). Full responsive (sm/md/lg/xl/2xl) and state (hover/focus/active/disabled/ first/last/odd/even/visited/checked/before/after) prefix support. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
445 lines
15 KiB
Plaintext
445 lines
15 KiB
Plaintext
(define colour-bases {:orange {:s 95 :h 25} :cyan {:s 94 :h 188} :sky {:s 89 :h 199} :pink {:s 81 :h 330} :zinc {:s 5 :h 240} :amber {:s 92 :h 38} :neutral {:s 0 :h 0} :lime {:s 78 :h 84} :violet {:s 70 :h 263} :fuchsia {:s 84 :h 292} :stone {:s 6 :h 25} :black {:s 0 :h 0} :teal {:s 80 :h 173} :gray {:s 9 :h 220} :red {:s 72 :h 0} :rose {:s 89 :h 350} :blue {:s 91 :h 217} :emerald {:s 84 :h 160} :green {:s 71 :h 142} :yellow {:s 96 :h 48} :purple {:s 81 :h 271} :indigo {:s 84 :h 239} :white {:s 0 :h 0} :slate {:s 16 :h 215}})
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(define lerp (fn (a b t) (+ a (* t (- b a)))))
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(define
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shade-to-lightness
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(fn
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(shade)
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(cond
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(<= shade 50)
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(lerp 100 97 (/ shade 50))
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(<= shade 100)
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(lerp 97 93 (/ (- shade 50) 50))
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(<= shade 200)
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(lerp 93 87 (/ (- shade 100) 100))
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(<= shade 300)
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(lerp 87 77 (/ (- shade 200) 100))
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(<= shade 400)
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(lerp 77 64 (/ (- shade 300) 100))
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(<= shade 500)
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(lerp 64 53 (/ (- shade 400) 100))
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(<= shade 600)
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(lerp 53 45 (/ (- shade 500) 100))
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(<= shade 700)
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(lerp 45 38 (/ (- shade 600) 100))
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(<= shade 800)
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(lerp 38 30 (/ (- shade 700) 100))
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(<= shade 900)
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(lerp 30 21 (/ (- shade 800) 100))
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(<= shade 950)
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(lerp 21 13 (/ (- shade 900) 50))
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:else 13)))
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(define
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colour
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(fn
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(name shade)
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(let
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((base (get colour-bases name)))
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(if
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(nil? base)
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name
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(if
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(= name "white")
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"#ffffff"
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(if
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(= name "black")
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"#000000"
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(let
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((h (get base "h"))
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(s (get base "s"))
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(l (shade-to-lightness shade)))
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(str "hsl(" h "," s "%," (round l) "%)"))))))))
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(define tw-colour-props {:ring "--tw-ring-color" :outline "outline-color" :bg "background-color" :accent "accent-color" :border "border-color" :stroke "stroke" :text "color" :fill "fill"})
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(define tw-breakpoints {:sm "640px" :xl "1280px" :md "768px" :lg "1024px" :2xl "1536px"})
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(define tw-states {:focus ":focus" :before "::before" :first ":first-child" :disabled ":disabled" :required ":required" :even ":nth-child(even)" :hover ":hover" :focus-visible ":focus-visible" :last ":last-child" :visited ":visited" :odd ":nth-child(odd)" :active ":active" :focus-within ":focus-within" :checked ":checked" :placeholder "::placeholder" :after "::after"})
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(define
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tw-spacing-value
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(fn
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(v)
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(cond
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(= v "auto")
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"auto"
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(= v "px")
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"1px"
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(= v "0")
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"0px"
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(= v "0.5")
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"0.125rem"
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(= v "1.5")
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"0.375rem"
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(= v "2.5")
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"0.625rem"
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(= v "3.5")
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"0.875rem"
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:else (let
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((n (parse-int v nil)))
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(if (nil? n) nil (str (* n 0.25) "rem"))))))
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(define
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tw-template
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(fn
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(tmpl v)
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(let
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((i (index-of tmpl "{v}")))
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(if
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(< i 0)
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tmpl
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(let
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((result (str (substring tmpl 0 i) v (substring tmpl (+ i 3) (len tmpl)))))
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(let
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((j (index-of result "{v}")))
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(if
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(< j 0)
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result
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(str
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(substring result 0 j)
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v
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(substring result (+ j 3) (len result))))))))))
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(define tw-shadow-sizes {:sm "0 1px 2px 0 rgb(0 0 0 / 0.05)" :xl "0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1)" :md "0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1)" :inner "inset 0 2px 4px 0 rgb(0 0 0 / 0.05)" :lg "0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1)" :2xl "0 25px 50px -12px rgb(0 0 0 / 0.25)" :none "0 0 #0000" : "0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1)"})
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(define tw-rounded-sizes {:3xl "1.5rem" :sm "0.125rem" :xl "0.75rem" :full "9999px" :md "0.375rem" :lg "0.5rem" :2xl "1rem" :none "0" : "0.25rem"})
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(define tw-border-widths {:0 "0px" :2 "2px" :8 "8px" :4 "4px" : "1px"})
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(define
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tw-resolve-style
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(fn
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(token)
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(let
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((parts (split token "-"))
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(head (first parts))
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(rest (slice parts 1)))
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(cond
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(and
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(get tw-colour-props head)
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(>= (len rest) 2)
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(not (nil? (parse-int (last rest) nil)))
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(not
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(nil?
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(get colour-bases (join "-" (slice rest 0 (- (len rest) 1)))))))
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(let
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((css-prop (get tw-colour-props head))
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(cname (join "-" (slice rest 0 (- (len rest) 1))))
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(shade (parse-int (last rest) 0)))
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(str css-prop ":" (colour cname shade)))
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(and
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(get tw-colour-props head)
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(= (len rest) 1)
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(or
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(= (first rest) "white")
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(= (first rest) "black")
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(= (first rest) "transparent")
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(= (first rest) "current")
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(= (first rest) "inherit")))
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(let
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((css-prop (get tw-colour-props head))
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(val
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(case
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(first rest)
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"white"
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"#ffffff"
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"black"
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"#000000"
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"transparent"
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"transparent"
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"current"
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"currentColor"
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"inherit"
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"inherit")))
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(str css-prop ":" val))
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(= head "rounded")
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(cond
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(empty? rest)
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(str "border-radius:" (get tw-rounded-sizes ""))
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(and
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(= (len rest) 1)
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(not (nil? (get tw-rounded-sizes (first rest)))))
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(str "border-radius:" (get tw-rounded-sizes (first rest)))
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(and
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(>= (len rest) 1)
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(or
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(= (first rest) "t")
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(= (first rest) "b")
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(= (first rest) "l")
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(= (first rest) "r")))
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(let
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((size (if (>= (len rest) 2) (get tw-rounded-sizes (nth rest 1)) (get tw-rounded-sizes "")))
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(dir (first rest)))
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(if
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(nil? size)
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nil
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(case
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dir
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"t"
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(str
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"border-top-left-radius:"
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size
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";border-top-right-radius:"
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size)
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"b"
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(str
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"border-bottom-left-radius:"
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size
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";border-bottom-right-radius:"
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size)
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"l"
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(str
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"border-top-left-radius:"
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size
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";border-bottom-left-radius:"
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size)
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"r"
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(str
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"border-top-right-radius:"
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size
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";border-bottom-right-radius:"
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size)
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:else nil)))
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:else nil)
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(= head "border")
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(cond
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(empty? rest)
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"border-width:1px"
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(and
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(= (len rest) 1)
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(not (nil? (get tw-border-widths (first rest)))))
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(str "border-width:" (get tw-border-widths (first rest)))
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(and
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(= (len rest) 1)
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(or
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(= (first rest) "t")
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(= (first rest) "b")
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(= (first rest) "l")
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(= (first rest) "r")
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(= (first rest) "x")
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(= (first rest) "y")))
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(let
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((side (first rest)))
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(case
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side
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"t"
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"border-top-width:1px"
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"b"
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"border-bottom-width:1px"
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"l"
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"border-left-width:1px"
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"r"
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"border-right-width:1px"
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"x"
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"border-left-width:1px;border-right-width:1px"
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"y"
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"border-top-width:1px;border-bottom-width:1px"
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:else nil))
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(and
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(= (len rest) 2)
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(not (nil? (get tw-border-widths (nth rest 1)))))
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(let
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((side (first rest)) (w (get tw-border-widths (nth rest 1))))
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(case
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side
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"t"
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(str "border-top-width:" w)
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"b"
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(str "border-bottom-width:" w)
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"l"
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(str "border-left-width:" w)
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"r"
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(str "border-right-width:" w)
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:else nil))
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:else nil)
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(= head "shadow")
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(let
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((size-key (if (empty? rest) "" (join "-" rest))))
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(let
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((val (get tw-shadow-sizes size-key)))
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(if (nil? val) nil (str "box-shadow:" val))))
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(and (= head "opacity") (= (len rest) 1))
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(let
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((n (parse-int (first rest) nil)))
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(if (nil? n) nil (str "opacity:" (/ n 100))))
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(and (= head "ring") (or (empty? rest) (= (len rest) 1)))
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(let
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((w (if (empty? rest) "3px" (let ((n (parse-int (first rest) nil))) (if (nil? n) nil (str n "px"))))))
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(if
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(nil? w)
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nil
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(str
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"box-shadow:0 0 0 "
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w
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" var(--tw-ring-color, rgb(59 130 246 / 0.5))")))
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(= head "outline")
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(cond
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(and (= (len rest) 1) (= (first rest) "none"))
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"outline:2px solid transparent;outline-offset:2px"
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(empty? rest)
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"outline-style:solid"
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:else nil)
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(= head "transition")
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(cond
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(empty? rest)
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"transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms"
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(= (first rest) "colors")
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"transition-property:color,background-color,border-color,text-decoration-color,fill,stroke;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms"
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(= (first rest) "all")
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"transition-property:all;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms"
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(= (first rest) "none")
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"transition-property:none"
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(= (first rest) "opacity")
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"transition-property:opacity;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms"
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(= (first rest) "shadow")
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"transition-property:box-shadow;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms"
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(= (first rest) "transform")
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"transition-property:transform;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms"
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:else nil)
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(and (= head "duration") (= (len rest) 1))
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(str "transition-duration:" (first rest) "ms")
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(= head "ease")
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(let
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((val (join "-" rest)))
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(case
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val
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"linear"
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"transition-timing-function:linear"
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"in"
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"transition-timing-function:cubic-bezier(0.4,0,1,1)"
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"out"
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"transition-timing-function:cubic-bezier(0,0,0.2,1)"
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"in-out"
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"transition-timing-function:cubic-bezier(0.4,0,0.2,1)"
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:else nil))
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(and (= head "cursor") (= (len rest) 1))
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(str "cursor:" (first rest))
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(and (= head "cursor") (= (len rest) 2))
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(str "cursor:" (join "-" rest))
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(and
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(= head "pointer")
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(= (len rest) 2)
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(= (first rest) "events"))
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(str "pointer-events:" (nth rest 1))
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(and (= head "select") (= (len rest) 1))
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(str "user-select:" (first rest))
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(and (= head "appearance") (= (len rest) 1))
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(str "appearance:" (first rest))
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(and
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(= (len parts) 1)
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(or
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(= head "underline")
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(= head "overline")
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(= head "line-through")))
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(str "text-decoration-line:" head)
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(and (= (len parts) 2) (= head "no") (= (first rest) "underline"))
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"text-decoration-line:none"
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(and (= head "scale") (= (len rest) 1))
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(let
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((n (parse-int (first rest) nil)))
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(if (nil? n) nil (str "transform:scale(" (/ n 100) ")")))
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(and (= head "rotate") (= (len rest) 1))
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(str "transform:rotate(" (first rest) "deg)")
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(= head "animate")
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(cond
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(= (first rest) "spin")
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"animation:spin 1s linear infinite"
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(= (first rest) "ping")
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"animation:ping 1s cubic-bezier(0,0,0.2,1) infinite"
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(= (first rest) "pulse")
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"animation:pulse 2s cubic-bezier(0.4,0,0.6,1) infinite"
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(= (first rest) "bounce")
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"animation:bounce 1s infinite"
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(= (first rest) "none")
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"animation:none"
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:else nil)
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:else nil))))
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(define
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tw-process-token
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(fn
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(token)
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(let
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((colon-parts (split token ":")) (n (len colon-parts)))
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(let
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((bp nil) (state nil) (base nil))
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(cond
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(= n 1)
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(do (set! base (first colon-parts)))
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(= n 2)
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(do
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(if
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(get tw-breakpoints (first colon-parts))
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(do
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(set! bp (first colon-parts))
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(set! base (nth colon-parts 1)))
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(do
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(set! state (first colon-parts))
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(set! base (nth colon-parts 1)))))
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(= n 3)
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(do
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(set! bp (first colon-parts))
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(set! state (nth colon-parts 1))
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(set! base (nth colon-parts 2)))
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:else (do (set! base token)))
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(let
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((negative (and (>= (len base) 2) (= (substring base 0 1) "-")))
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(actual-base (if negative (substring base 1 (len base)) base)))
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(let
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((css (or (tw-resolve-style actual-base) (tw-resolve-layout actual-base) (tw-resolve-type actual-base))))
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(if
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(nil? css)
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nil
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(let
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((final-css (if negative (str css) css))
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(cls
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(str
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"sx-"
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(replace token ":" "-")
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(replace token "." "d")))
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(selector
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(str "." cls (if state (get tw-states state) "")))
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(rule
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(if
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bp
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(str
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"@media(min-width:"
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(get tw-breakpoints bp)
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"){"
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selector
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"{"
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final-css
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"}}")
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(str selector "{" final-css "}"))))
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{:rule rule :cls cls}))))))))
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(defcomp
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~tw
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(&key tokens)
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(let
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((token-list (filter (fn (t) (not (= t ""))) (split (or tokens "") " ")))
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(results (map tw-process-token token-list))
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(valid (filter (fn (r) (not (nil? r))) results))
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(classes (map (fn (r) (get r "cls")) valid))
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(rules (map (fn (r) (get r "rule")) valid))
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(_ (for-each (fn (rule) (collect! "cssx" rule)) rules)))
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(if (empty? classes) nil (make-spread {:class (join " " classes) :data-tw (or tokens "")}))))
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(defcomp
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~tw/flush
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()
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:affinity :client
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(let
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((rules (collected "cssx")) (head-style (dom-query "#sx-css")))
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(when
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head-style
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(clear-collected! "cssx")
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(when
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(not (empty? rules))
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(dom-set-prop
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head-style
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"textContent"
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(str (dom-get-prop head-style "textContent") (join "" rules)))))))
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