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65 lines
2.5 KiB
TypeScript
65 lines
2.5 KiB
TypeScript
import * as React from "react";
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import { cn } from "@/lib/cn";
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export type ButtonSize = "xs" | "sm" | "md" | "lg" | "icon" | "icon-sm" | "icon-lg";
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export interface ButtonProps
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extends React.ButtonHTMLAttributes<HTMLButtonElement> {
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variant?: "default" | "ghost" | "outline" | "destructive";
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size?: ButtonSize;
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}
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// An icon without a size class of its own gets the size R1 gives it. The
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// :where() keeps the rule at the specificity of a bare `svg`, so a `w-5` on
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// the icon still wins.
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const SIZES: Record<ButtonSize, string> = {
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xs: "h-8 px-2.5 text-sm [:where(&)_svg]:size-4",
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sm: "h-9 px-3 text-sm",
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md: "h-10 px-4 py-2",
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lg: "h-11 px-8",
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icon: "h-10 w-10",
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"icon-sm": "h-8 w-8 [:where(&)_svg]:size-4",
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"icon-lg": "h-11 w-11 [:where(&)_svg]:size-5",
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};
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// On a touch screen every button can be hit within 44x44 px, whatever size
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// it is drawn at: a transparent ::after, centred on the button, at least
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// that big. `relative` gives it something to centre on; a className with
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// another position (absolute, fixed, sticky) replaces it through
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// tailwind-merge and still holds the ::after.
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export const TOUCH_HIT_AREA =
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"relative pointer-coarse:after:absolute pointer-coarse:after:top-1/2 pointer-coarse:after:left-1/2 " +
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"pointer-coarse:after:size-full pointer-coarse:after:min-h-11 pointer-coarse:after:min-w-11 " +
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"pointer-coarse:after:-translate-x-1/2 pointer-coarse:after:-translate-y-1/2";
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const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
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({ className, variant = "default", size = "md", ...props }, ref) => {
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return (
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<button
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className={cn(
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"inline-flex items-center justify-center rounded-md font-medium transition-all duration-200",
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TOUCH_HIT_AREA,
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"focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background",
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"disabled:pointer-events-none disabled:opacity-50",
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{
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default:
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"bg-primary text-primary-foreground hover:bg-primary/90 shadow-sm hover:shadow",
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ghost: "hover:bg-accent hover:text-accent-foreground",
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outline:
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"border border-input bg-background hover:bg-accent hover:text-accent-foreground",
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destructive:
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"bg-destructive text-destructive-foreground hover:bg-destructive/90 shadow-sm",
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}[variant],
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SIZES[size],
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className
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)}
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ref={ref}
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{...props}
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/>
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);
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}
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);
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Button.displayName = "Button";
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export { Button };
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