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core.ts
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import { DefaultTheme } from "tailwindcss/types/generated/default-theme.d";
import type { BaseColors, BaseColorTransparencies } from "./generated";
// TODO: dev warning if trying to use a custom value with a blank string partial
/**
* If the value is arbitrary "[something]", compose it with the given partial, e.g.
*
* ```ts
* branch('foo')('bar') === "foo-bar"
* branch('foo')('[bar]') === "foo-[bar]"
* branch('foo', (v, p) => `${p}-${v.replace(/b/, '')}`)('bar') === "foo-ar"
* branch('foo', (v, p) => `${p}-${v.replace(/b/, '')}`)('[bar]') === "foo-[bar]"
* branch('foo', (v, p) => `${p}-${v === 'bar' ? 'baz' : v}`)('fizz') === "foo-fizz"
* branch('foo', (v, p) => `${p}-${v === 'bar' ? 'baz' : v}`)('bar') === "foo-baz"
* ```
*/
const branch = (<Value extends string | number | boolean, Partial extends string = string>(
partial: Partial,
prepare?: (value: Value, partial: Partial) => string,
) =>
(value: Value): string => {
if ((typeof value === "string" && value.startsWith("[") && value.endsWith("]")) || !prepare) {
if (partial) {
if (value === "default") {
return partial;
} else if (!value) {
return "";
} else {
return `${partial}-${value}`;
}
} else {
return String(value);
}
} else {
return prepare?.(value, partial);
}
}) satisfies Twyx.BranchFunc<any>;
export namespace Twyx {
export type BranchFunc<Value extends string | number | boolean, Partial extends string = string> = (
partial: Partial,
prepare?: (value: Value, partial: Partial) => string,
) => (value: Value) => string;
export type Breakpoints = "_" | "sm" | "md" | "lg" | "xl" | "portrait" | "landscape";
export type Modes = "dark" | "print" | "motionReduce" | "motionSafe" | "contrastMore" | "contrastLess";
export type States =
| "hover"
| "focus"
| "focusWthin"
| "focusVisible"
| "active"
| "visited"
| "target"
| "first"
| "last"
| "only"
| "odd"
| "even"
| "firstOfType"
| "lastOfType"
| "onlyOfType"
| "empty"
| "disabled"
| "enabled"
| "checked"
| "indeterminate"
| "default"
| "required"
| "valid"
| "invalid"
| "inRange"
| "outOfRange"
| "placeholderShown"
| "autofill"
| "readOnly"
| "firstLetter"
| "firstLine";
export type AriaStates =
| "ariaChecked"
| "ariaDisabled"
| "ariaExpanded"
| "ariaHidden"
| "ariaPressed"
| "ariaReadonly"
| "ariaRequired"
| "ariaSelected";
export type ResponsiveKeys = Breakpoints | Modes | States | AriaStates;
// allow a two layers of nesting for now
export type ResponsiveValues<V, Depth = 0> =
| V
| Partial<Record<ResponsiveKeys, V | Partial<Record<ResponsiveKeys, Record<ResponsiveKeys, V> | V>>>>;
type Stringify<T extends string | number> = { [K in T]: K extends number ? K | `${K}` : K }[T];
type ArbitraryValue = `[${string}]`;
type Spacing =
| 0
| 1
| 2
| 3
| 4
| 5
| 6
| 7
| 8
| 9
| 10
| 11
| 12
| 14
| 16
| 20
| 24
| 28
| 32
| 36
| 40
| 44
| 48
| 52
| 56
| 60
| 64
| 72
| 80
| 96
| "px"
| 0.5
| 1.5
| 2.5
| 3.5;
type SpacingFractions =
| "1/3"
| "2/3"
| "1/4"
| "2/4"
| "3/4"
| "1/5"
| "2/5"
| "3/5"
| "4/5"
| "1/6"
| "2/6"
| "3/6"
| "4/6"
| "5/6";
// TODO: figure out how to assert against the TW types directly to know if they add something and I'm missing a value
type SpacingScale = Stringify<Spacing>;
type Positioning = SpacingScale | SpacingFractions | "full" | "auto";
type Opacity = 0 | 5 | 10 | 20 | 25 | 30 | 40 | 50 | 60 | 70 | 75 | 80 | 90 | 95 | 100;
/**
* Given a string union of colors, generate opacity variants.
*/
type ColorVariants = `${string}/${`[${string}]`}`;
type BorderRadius = Exclude<keyof DefaultTheme["borderRadius"], "DEFAULT"> | "default";
type BorderWidth = Stringify<0 | 1 | 2 | 4 | 8>;
type BlendMode =
| "normal"
| "multiply"
| "screen"
| "overlay"
| "darken"
| "lighten"
| "color-dodge"
| "color-burn"
| "hard-light"
| "soft-light"
| "difference"
| "exclusion"
| "hue-rotate"
| "saturation"
| "color"
| "luminosity";
/**
* Used when adding colors to the globally-available set, e.g.
*
* ```ts
* declare module 'twyx' {
* export namespace Twyx {
* export interface PropValues extends ColorProps<
* BaseColors | `custom-${100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900}`
* > {}
* }
* }
* ```
*/
export interface ColorProps<
AllColors extends BaseColors | BaseColorTransparencies,
Value = AllColors | ColorVariants,
> {
accentColor: Value;
backgroundColor: Value;
bg: Value;
borderBottomColor: Value;
borderColor: Value;
borderLeftColor: Value;
borderRightColor: Value;
borderTopColor: Value;
boxShadowColor: Value;
caretColor: Value;
color: Value;
fill: Value;
outlineColor: Value;
strokeColor: Value;
textDecorationColor: Value;
}
/**
* Add to `PropValues` to expand the autocomplete options for the given prop if
* custom utility classes are added.
*/
export interface PropValues extends ColorProps<BaseColors | BaseColorTransparencies> {
alignContent: "normal" | "center" | "start" | "end" | "between" | "around" | "evenly" | "stretch" | "baseline";
alignItems: "start" | "end" | "center" | "baseline" | "stretch";
alignSelf: "auto" | "start" | "end" | "center" | "stretch" | "baseline";
animation: keyof DefaultTheme["keyframes"] | "none" | ArbitraryValue;
appearance: "none";
aspectRatio: "auto" | "square" | "video" | ArbitraryValue;
backdropFilter:
| "blur"
| `blur-${"none" | "sm" | "md" | "lg" | "xl" | "2xl" | "3xl" | ArbitraryValue}`
| `contrast-${0 | 50 | 75 | 100 | 125 | 150 | 200 | ArbitraryValue}`
| "drop-shadow"
| `drop-shadow-${"sm" | "md" | "lg" | "xl" | "2xl" | "none" | ArbitraryValue}`
| "grayscale"
| `grayscale-${0 | ArbitraryValue}`
| `hue-rotate-${0 | 15 | 30 | 60 | 90 | 180 | ArbitraryValue}`
| "invert"
| `invert-${0 | ArbitraryValue}`
| `saturate-${0 | 50 | 100 | 150 | 200 | ArbitraryValue}`
| "sepia"
| `sepia-${0 | ArbitraryValue}`;
backgroundAttachment: "fixed" | "local" | "scroll";
backgroundBlendMode: BlendMode;
backgroundClip: "border" | "padding" | "content" | "text";
backgroundImage:
| "none"
| "bg-gradient-to-t"
| "bg-gradient-to-tr"
| "bg-gradient-to-r"
| "bg-gradient-to-br"
| "bg-gradient-to-b"
| "bg-gradient-to-bl"
| "bg-gradient-to-l"
| "bg-gradient-to-tl"
| ArbitraryValue;
backgroundOrigin: "border" | "padding" | "content";
backgroundPosition:
| "bottom"
| "center"
| "left"
| "left-bottom"
| "left-top"
| "right"
| "right-bottom"
| "right-top"
| "top"
| ArbitraryValue;
backgroundRepeat: "repeat" | "no-repeat" | "repeat-x" | "repeat-y" | "repeat-round" | "repeat-space";
backgroundSize: "auto" | "cover" | "contain" | ArbitraryValue;
borderBottomLeftRadius: BorderRadius | ArbitraryValue;
borderBottomRightRadius: BorderRadius | ArbitraryValue;
borderBottomWidth: BorderWidth | ArbitraryValue;
borderCollapse: "collapse" | "separate";
borderLeftWidth: BorderWidth | ArbitraryValue;
borderRadius: BorderRadius | ArbitraryValue;
borderRightWidth: BorderWidth | ArbitraryValue;
borderSpacing:
| SpacingScale
| `x-${SpacingScale | ArbitraryValue}`
| `y-${SpacingScale | ArbitraryValue}`
| ArbitraryValue;
borderStyle: "solid" | "dashed" | "dotted" | "double" | "hidden" | "none";
borderTopLeftRadius: BorderRadius | ArbitraryValue;
borderTopRightRadius: BorderRadius | ArbitraryValue;
borderTopWidth: BorderWidth | ArbitraryValue;
borderWidth: BorderWidth | ArbitraryValue;
bottom: Positioning | ArbitraryValue;
boxDecorationBreak: "clone" | "slice";
boxShadow: "default" | "sm" | "md" | "lg" | "xl" | "2xl" | "inner" | "none" | ArbitraryValue;
boxSizing: "border" | "content";
breakAfter: "auto" | "avoid" | "all" | "avoid-page" | "page" | "left" | "right" | "column";
breakBefore: "auto" | "avoid" | "all" | "avoid-page" | "page" | "left" | "right" | "column";
breakInside: "auto" | "avoid" | "avoid-page" | "avoid-column";
captionSide: "top" | "bottom";
clear: "left" | "right" | "both" | "none";
columnGap: SpacingScale | ArbitraryValue;
columns:
| Stringify<1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12>
| keyof DefaultTheme["columns"]
| ArbitraryValue;
content: "none" | ArbitraryValue;
cursor: keyof DefaultTheme["cursor"] | ArbitraryValue;
display:
| "block"
| "inline-block"
| "inline"
| "flex"
| "inline-flex"
| "table"
| "inline-table"
| "table-caption"
| "table-cell"
| "table-column"
| "table-column-group"
| "table-footer-group"
| "table-header-group"
| "table-row-group"
| "table-row"
| "flow-root"
| "grid"
| "inline-grid"
| "contents"
| "list-item"
| "hidden"
| "none";
filter:
| "blur-none"
| "blur-sm"
| "blur"
| "blur-md"
| "blur-lg"
| "blur-xl"
| "blur-2xl"
| "blur-3xl"
| `blur-[${string}]`
| `brightness-${0 | 50 | 75 | 90 | 95 | 100 | 105 | 110 | 125 | 150 | 200 | ArbitraryValue}`
| `contrast-${0 | 50 | 75 | 100 | 125 | 150 | 200 | ArbitraryValue}`
| "drop-shadow"
| `drop-shadow-${"sm" | "md" | "lg" | "xl" | "2xl" | "none" | ArbitraryValue}`
| "grayscale"
| `grayscale-${0 | ArbitraryValue}`
| `hue-rotate-${0 | 15 | 30 | 60 | 90 | 180 | ArbitraryValue}`
| "invert"
| `invert-${0 | ArbitraryValue}`
| `saturate-${0 | 50 | 100 | 150 | 200 | ArbitraryValue}`
| "sepia"
| `sepia-${0 | ArbitraryValue}`;
flex: Stringify<1> | "auto" | "initial" | "none" | ArbitraryValue;
flexBasis: Positioning | ArbitraryValue;
flexDirection: "row" | "row-reverse" | "col" | "col-reverse";
flexGrow: Stringify<0> | ArbitraryValue;
flexShrink: Stringify<0> | ArbitraryValue;
flexWrap: "wrap" | "nowrap" | "wrap-reverse";
float: "left" | "right" | "none";
fontFamily: keyof DefaultTheme["fontFamily"] | ArbitraryValue;
fontSize: keyof DefaultTheme["fontSize"] | ArbitraryValue;
fontSmoothing: "antialiased" | "subpixel-antialiased";
fontStyle: "italic" | "not-italic";
fontVariantNumeric:
| "normal-nums"
| "ordinal"
| "slashed-zero"
| "lining-nums"
| "oldstyle-nums"
| "proportional-nums"
| "tabular-nums"
| "diagonal-fractions"
| "stacked-fractions";
fontWeight:
| Stringify<100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900>
| keyof DefaultTheme["fontWeight"]
| ArbitraryValue;
gap: SpacingScale | ArbitraryValue;
gridAutoColumns: keyof DefaultTheme["gridAutoColumns"] | ArbitraryValue;
gridAutoFlow: "row" | "col" | "dense" | "row-dense" | "col-dense";
gridAutoRows: keyof DefaultTheme["gridAutoRows"] | ArbitraryValue;
gridColumn: keyof DefaultTheme["gridColumn"] | ArbitraryValue;
gridColumnEnd: keyof DefaultTheme["gridColumnEnd"] | ArbitraryValue;
gridColumnStart: keyof DefaultTheme["gridColumnStart"] | ArbitraryValue;
gridRow: keyof DefaultTheme["gridRow"] | ArbitraryValue;
gridRowEnd: keyof DefaultTheme["gridRowEnd"] | ArbitraryValue;
gridRowStart: keyof DefaultTheme["gridRowStart"] | ArbitraryValue;
gridTemplateColumns: keyof DefaultTheme["gridTemplateColumns"] | ArbitraryValue;
gridTemplateRows: keyof DefaultTheme["gridTemplateRows"] | ArbitraryValue;
h: Positioning | "screen" | "min" | "max" | "fit" | ArbitraryValue;
hyphens: "none" | "manual" | "auto";
inset: Positioning | ArbitraryValue;
isolation: "default" | "auto";
justifyContent: "normal" | "center" | "start" | "end" | "between" | "around" | "evenly" | "stretch";
justifyItems: "start" | "end" | "center" | "stretch";
justifySelf: "start" | "end" | "center" | "stretch" | "auto";
left: Positioning | ArbitraryValue;
letterSpacing: "tighter" | "tight" | "normal" | "wide" | "wider" | "widest" | ArbitraryValue;
lineClamp: Stringify<1 | 2 | 3 | 4 | 5 | 6> | "none" | ArbitraryValue;
lineHeight: Stringify<3 | 4 | 5 | 6 | 7 | 8 | 9 | 10> | keyof DefaultTheme["lineHeight"] | ArbitraryValue;
listStyleImage: "none" | ArbitraryValue;
listStylePosition: "inside" | "outside";
listStyleType: "none" | "disc" | "decimal" | ArbitraryValue;
m: SpacingScale | "auto" | ArbitraryValue;
maxHeight: SpacingScale | "full" | "screen" | "min" | "max" | "fit" | "none" | ArbitraryValue;
maxWidth:
| Stringify<0>
| "none"
| "xs"
| "sm"
| "md"
| "lg"
| "xl"
| "2xl"
| "3xl"
| "4xl"
| "5xl"
| "6xl"
| "7xl"
| "full"
| "min"
| "max"
| "fit"
| "prose"
| "screen-sm"
| "screen-md"
| "screen-lg"
| "screen-xl"
| "screen-2xl"
| ArbitraryValue;
mb: SpacingScale | "auto" | ArbitraryValue;
me: SpacingScale | "auto" | ArbitraryValue;
minHeight: Stringify<0> | "full" | "min" | "max" | "fit" | "screen" | ArbitraryValue;
minWidth: Stringify<0> | "full" | "min" | "max" | "fit" | ArbitraryValue;
mixBlendMode: BlendMode | "plus-lighter";
ml: SpacingScale | "auto" | ArbitraryValue;
mr: SpacingScale | "auto" | ArbitraryValue;
ms: SpacingScale | "auto" | ArbitraryValue;
mt: SpacingScale | "auto" | ArbitraryValue;
mx: SpacingScale | "auto" | ArbitraryValue;
my: SpacingScale | "auto" | ArbitraryValue;
objectFit: "contain" | "cover" | "fill" | "none" | "scale-down";
objectPosition: keyof DefaultTheme["objectPosition"] | ArbitraryValue;
opacity: Stringify<Opacity> | ArbitraryValue;
order: Stringify<1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12> | keyof DefaultTheme["order"] | ArbitraryValue;
outlineOffset: Stringify<0 | 1 | 2 | 4 | 8> | ArbitraryValue;
outlineStyle: "solid" | "none" | "dashed" | "dotted" | "double";
outlineWidth: Stringify<0 | 1 | 2 | 4 | 8> | ArbitraryValue;
overflow: "auto" | "hidden" | "clip" | "visible" | "scroll";
overflowX: "auto" | "hidden" | "clip" | "visible" | "scroll";
overflowY: "auto" | "hidden" | "clip" | "visible" | "scroll";
overscrollBehavior: "auto" | "contain" | "none";
overscrollBehaviorX: "auto" | "contain" | "none";
overscrollBehaviorY: "auto" | "contain" | "none";
p: SpacingScale | ArbitraryValue;
pb: SpacingScale | ArbitraryValue;
pe: SpacingScale | ArbitraryValue;
pl: SpacingScale | ArbitraryValue;
placeContent: "center" | "start" | "end" | "between" | "around" | "evenly" | "stretch" | "baseline";
placeItems: "start" | "end" | "center" | "stretch" | "baseline";
placeSelf: "auto" | "start" | "end" | "center" | "stretch";
pointerEvents: "none" | "auto";
position: "static" | "fixed" | "absolute" | "relative" | "sticky";
pr: SpacingScale | ArbitraryValue;
ps: SpacingScale | ArbitraryValue;
pt: SpacingScale | ArbitraryValue;
px: SpacingScale | ArbitraryValue;
py: SpacingScale | ArbitraryValue;
resize: "none" | "x" | "y" | "both";
right: Positioning | ArbitraryValue;
rowGap: SpacingScale | ArbitraryValue;
scrollMargin: SpacingScale | ArbitraryValue;
scrollPadding: SpacingScale | ArbitraryValue;
scrollSnapAlign: "start" | "end" | "center" | "none";
scrollSnapStop: "normal" | "always";
scrollSnapType:
| "none"
| "x"
| `x-${"mandatory" | "proximity"}`
| "y"
| `y-${"mandatory" | "proximity"}`
| "both"
| `both-${"mandatory" | "proximity"}`;
strokeWidth: Stringify<0 | 1 | 2> | ArbitraryValue;
tableLayout: "auto" | "fixed";
textAlign: "left" | "center" | "right" | "justify" | "start" | "end";
textDecoration: "underline" | "line-through" | "no-underline" | "overline";
textDecorationStyle: "solid" | "double" | "dotted" | "dashed" | "wavy";
textDecorationThickness:
| Stringify<0 | 1 | 2 | 4 | 8>
| keyof DefaultTheme["textDecorationThickness"]
| ArbitraryValue;
textIndent: SpacingScale | ArbitraryValue;
textOverflow: "truncate" | "ellipsis" | "clip";
textTransform: "uppercase" | "lowercase" | "capitalize" | "normal-case" | "none";
textUnderlineOffset: "auto" | Stringify<0 | 1 | 2 | 4 | 8>;
top: Positioning | ArbitraryValue;
touchAction:
| "auto"
| "none"
| "pan-x"
| "pan-left"
| "pan-right"
| "pan-y"
| "pan-up"
| "pan-down"
| "pinch-zoom"
| "manipulation";
transform:
| `scale${"" | "-x" | "-y"}-${keyof DefaultTheme["scale"] | ArbitraryValue}`
| `rotate-${keyof DefaultTheme["rotate"] | ArbitraryValue}`
| `translate-${"" | "-x" | "-y"}${SpacingScale | SpacingFractions | "full" | ArbitraryValue}`
| `skew-${"x" | "y"}-${keyof DefaultTheme["skew"] | ArbitraryValue}`;
transformOrigin: keyof DefaultTheme["transformOrigin"] | ArbitraryValue;
transitionDelay: Stringify<0 | 75 | 100 | 150 | 200 | 300 | 500 | 700 | 1000> | ArbitraryValue;
transitionDuration: Stringify<0 | 75 | 100 | 150 | 200 | 300 | 500 | 700 | 1000> | ArbitraryValue;
transitionProperty: "default" | "none" | "all" | "colors" | "opacity" | "shadow" | "transform" | ArbitraryValue;
transitionTimingFunction: "linear" | "in" | "out" | "in-out" | ArbitraryValue;
userSelect: "none" | "text" | "all" | "auto";
verticalAlign:
| "baseline"
| "top"
| "middle"
| "bottom"
| "text-top"
| "text-bottom"
| "sub"
| "super"
| ArbitraryValue;
visibility: "visible" | "invisible" | "collapse";
w: Positioning | "screen" | "min" | "max" | "fit" | ArbitraryValue;
whiteSpace: "normal" | "nowrap" | "pre" | "pre-line" | "pre-wrap" | "break-spaces";
willChange: "auto" | "scroll" | "contents" | "transform" | ArbitraryValue;
wordBreak: "normal" | "words" | "all" | "keep";
zIndex: Stringify<0 | 10 | 20 | 30 | 40 | 50> | "auto" | ArbitraryValue;
}
export type PropKeys = keyof PropValues;
export type Transforms = { [K in PropKeys]: ReturnType<BranchFunc<PropValues[K]>> };
export type Props = { [K in PropKeys]?: ResponsiveValues<PropValues[K]> };
}
const fontWeightMap = {
"100": "thin",
"200": "extralight",
"300": "light",
"400": "normal",
"500": "medium",
"600": "semibold",
"700": "bold",
"800": "extrabold",
"900": "black",
};
const borderWidth = (v: Twyx.PropValues["borderWidth"], p: string): string => (String(v) === "1" ? p : `${p}-${v}`);
/**
* For each twyx-enabled styling prop, the root class is provided along with an optional
* `prepare` function for customizing the given value if necessary.
*
* The types are doing the heavy lifting here to ensure appropriate values are provided,
* the algorithm is intentionally simplistic for performance and size.
*
* Arbitrary values still require the square-bracket notation: "[foo]"
*/
const transforms: Twyx.Transforms = {
accentColor: branch("accent"),
alignContent: branch("content"),
alignItems: branch("items"),
alignSelf: branch("self"),
animation: branch("animate"),
appearance: branch("appearance"),
aspectRatio: branch("aspect"),
backdropFilter: branch("backdrop"),
backgroundAttachment: branch("bg"),
backgroundBlendMode: branch("bg-blend"),
backgroundClip: branch("bg-clip"),
backgroundColor: branch("bg"),
backgroundImage: branch("bg"),
backgroundOrigin: branch("bg-origin"),
backgroundPosition: branch("bg"),
backgroundRepeat: branch("bg"),
backgroundSize: branch("bg"),
bg: branch("bg"),
borderBottomColor: branch("border-b"),
borderBottomLeftRadius: branch("rounded-bl"),
borderBottomRightRadius: branch("rounded-br"),
borderBottomWidth: branch("border-b", borderWidth),
borderCollapse: branch("border"),
borderColor: branch("border"),
borderLeftColor: branch("border-l"),
borderLeftWidth: branch("border-l", borderWidth),
borderRadius: branch("rounded"),
borderRightColor: branch("border-r"),
borderRightWidth: branch("border-r", borderWidth),
borderSpacing: branch("border-spacing"),
borderStyle: branch("border"),
borderTopColor: branch("border-t"),
borderTopLeftRadius: branch("rounded-tl"),
borderTopRightRadius: branch("rounded-tr"),
borderTopWidth: branch("border-t", borderWidth),
borderWidth: branch("border", borderWidth),
bottom: branch("bottom"),
boxDecorationBreak: branch("box-decoration"),
boxShadow: branch("shadow", (v, p): string => (v === "default" ? p : `${p}-${v}`)),
boxShadowColor: branch("shadow"),
boxSizing: branch("box"),
breakAfter: branch("break-after"),
breakBefore: branch("break-before"),
breakInside: branch("break-inside"),
captionSide: branch("caption"),
caretColor: branch("caret"),
clear: branch("clear"),
color: branch("text"),
columnGap: branch("gap-x"),
columns: branch("columns"),
content: branch("content"),
cursor: branch(`cursor-`),
display: branch("", (v): string => (v === "none" ? "hidden" : v)),
fill: branch("fill"),
filter: branch(""),
flex: branch("flex"),
flexBasis: branch("basis"),
flexDirection: branch("flex"),
flexGrow: branch("grow", (v, p): string => (String(v) === "1" ? "grow" : p + v)),
flexShrink: branch("shrink", (v, p): string => (String(v) === "1" ? "grow" : p + v)),
flexWrap: branch("flex"),
float: branch("float"),
fontFamily: branch("font"),
fontSize: branch("text"),
fontSmoothing: branch(""),
fontStyle: branch(""),
fontVariantNumeric: branch(""),
fontWeight: branch("font", (v, p): string =>
Number.isNaN(parseInt(v as string)) ? `${p}-${v}` : `${p}-${fontWeightMap[v as keyof typeof fontWeightMap]}`,
),
gap: branch("gap"),
gridAutoColumns: branch("auto-cols"),
gridAutoFlow: branch("grid-flow"),
gridAutoRows: branch("auto-rows"),
gridColumn: branch("col-span"),
gridColumnEnd: branch("col-end"),
gridColumnStart: branch("col-start"),
gridRow: branch("row"),
gridRowEnd: branch("row-end"),
gridRowStart: branch("row-start"),
gridTemplateColumns: branch("grid-cols"),
gridTemplateRows: branch("grid-rows"),
h: branch("h"),
hyphens: branch("hyphens"),
inset: branch("inset"),
isolation: branch("isolation", (v, p): string => (v === "default" ? "isolate" : `${p}-${v}`)),
justifyContent: branch("justify"),
justifyItems: branch("justify-items"),
justifySelf: branch("justify-self"),
left: branch("left"),
letterSpacing: branch("tracking"),
lineClamp: branch("line-clamp"),
lineHeight: branch("leading"),
listStyleImage: branch("list-image"),
listStylePosition: branch("list"),
listStyleType: branch("list"),
m: branch("m"),
maxHeight: branch("max-h"),
maxWidth: branch("max-w"),
mb: branch("mb"),
me: branch("me"),
minHeight: branch("min-h"),
minWidth: branch("min-w"),
mixBlendMode: branch("mix-blend"),
ml: branch("me"),
mr: branch("me"),
ms: branch("ms"),
mt: branch("mt"),
mx: branch("mx"),
my: branch("my"),
objectFit: branch("object"),
objectPosition: branch("object"),
opacity: branch("opacity"),
order: branch("order"),
outlineColor: branch("outline"),
outlineOffset: branch("outline-offset"),
outlineStyle: branch("outline", (v, p): string => (v === "solid" ? p : `${p}-${v}`)),
outlineWidth: branch("outline", borderWidth),
overflow: branch("overflow"),
overflowX: branch("overflow-x"),
overflowY: branch("overflow-y"),
overscrollBehavior: branch("overscroll"),
overscrollBehaviorX: branch("overscroll-x"),
overscrollBehaviorY: branch("overscroll-y"),
p: branch("p"),
pb: branch("pb"),
pe: branch("pe"),
pl: branch("pl"),
placeContent: branch("place-content"),
placeItems: branch("place-items"),
placeSelf: branch("place-self"),
pointerEvents: branch("pointer-events"),
position: branch(""),
pr: branch("pr"),
ps: branch("ps"),
pt: branch("pt"),
px: branch("px"),
py: branch("py"),
resize: branch("resize", (v, p): string => (v === "both" ? p : `${p}-${v}`)),
right: branch("right"),
rowGap: branch("gap-y"),
scrollMargin: branch("scroll-m"),
scrollPadding: branch("scroll-p"),
scrollSnapAlign: branch("snap"),
scrollSnapStop: branch("snap"),
scrollSnapType: branch("snap", (v, p): string => {
const [direction, strictness] = v.split("-");
return strictness ? `${p}-${direction} ${p}-${strictness}` : `${p}-${direction}`;
}),
strokeColor: branch("stroke"),
strokeWidth: branch("stroke"),
tableLayout: branch("table"),
// text: branch("text"),
textAlign: branch("text"),
textDecoration: branch(""),
textDecorationColor: branch("decoration"),
textDecorationStyle: branch("decoration"),
textDecorationThickness: branch("decoration"),
textIndent: branch("indent"),
textOverflow: branch("text", (v, p): string => (v === "truncate" ? v : `${p}-${v}`)),
textTransform: branch("", (v, p): string => (v === "none" ? "normal-case" : v)),
textUnderlineOffset: branch("underline-offset"),
top: branch("top"),
touchAction: branch("touch"),
transform: branch(""),
transformOrigin: branch("origin"),
transitionDelay: branch("delay"),
transitionDuration: branch("duration"),
transitionProperty: branch("transition", (v, p): string => (v === "default" ? p : `${p}-${v}`)),
transitionTimingFunction: branch("ease"),
userSelect: branch("select"),
verticalAlign: branch("align"),
visibility: branch(""),
w: branch("w"),
whiteSpace: branch("whitespace"),
willChange: branch("will-change"),
wordBreak: branch("break"),
zIndex: branch("z"),
};
const convertPropToTailwind = <Key extends keyof Twyx.Transforms>(
key: Key,
value: Twyx.PropValues[Key],
prefix = "",
): string => prefix + (transforms[key] ? transforms[key](value) : value);
const handleResponsiveValues = (
key: keyof typeof transforms,
value: Twyx.ResponsiveValues<any>,
prefix: string = "",
): string => {
let classes = "";
for (const [childKey, childValue] of Object.entries(value)) {
const newPrefix = childKey === "_" ? "" : prefix ? `${prefix}:${childKey}:` : `${childKey}:`;
if (typeof childValue !== "object") {
classes += `${newPrefix}${convertPropToTailwind(key, childValue as any)} `;
} else {
classes += `${newPrefix}${handleResponsiveValues(
key,
childValue as Twyx.ResponsiveValues<any>,
prefix ? `${prefix}:${childKey}` : childKey,
)} `;
}
}
return classes;
};
/**
* Given a twyx prop object, synthesize all relevant tailwind classes.
*
* Responsive syntax is allowed and encouraged. "_" is always considered the default
* and is not required; you may exclusively target higher breakpoints if desired.
*
* ```ts
* twyx({ bg: { _: "black", md: "red-100", dark: { _: "gray-100", md: "zinc-900" } } });
* // 'bg-black md:bg-red-100 dark:bg-gray-100 dark:md:bg-zinc-900'
* ```
*
* You may also pass another class string as the second argument for convenience and it
* will be appended to the end of the generated classes. This makes twyx more pleasant
* to compose with manually-provided tailwind classes for example.
*
* ```ts
* twyx({ color: 'red-100' }, 'foo');
* // 'text-red-100 foo'
* ```
*/
export const twyx = (props: Twyx.Props, className: string = ""): string => {
let tailwindClasses = "";
for (const key of Object.keys(props) as Array<keyof typeof props>) {
const value = props[key];
if (typeof value === "object") {
tailwindClasses += handleResponsiveValues(key, value as Twyx.ResponsiveValues<any>);
} else {
tailwindClasses += `${convertPropToTailwind(key, value as any)} `;
}
}
return `${tailwindClasses} ${className}`.trim().replace(/(\s{2,})/g, " ");
};
/**
* Can be used to identify prop keys that twyx will intercept.
*/
export const twyxPropKeys = new Set(Object.keys(transforms));