Files
acad-ia-2/src/components/stepper.tsx

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15 KiB
TypeScript

import { Slot } from '@radix-ui/react-slot'
import * as Stepperize from '@stepperize/react'
import { cva } from 'class-variance-authority'
import * as React from 'react'
import type { VariantProps } from 'class-variance-authority'
import { Button } from '@/components/ui/button'
import { cn } from '@/lib/utils'
const StepperContext = React.createContext<Stepper.ConfigProps | null>(null)
const useStepperProvider = (): Stepper.ConfigProps => {
const context = React.useContext(StepperContext)
if (!context) {
throw new Error('useStepper must be used within a StepperProvider.')
}
return context
}
const defineStepper = <const Steps extends Array<Stepperize.Step>>(
...steps: Steps
): Stepper.DefineProps<Steps> => {
const { Scoped, useStepper, ...rest } = Stepperize.defineStepper(...steps)
const StepperContainer = ({
children,
className,
...props
}: Omit<React.ComponentProps<'div'>, 'children'> & {
children:
| React.ReactNode
| ((props: { methods: Stepperize.Stepper<Steps> }) => React.ReactNode)
}) => {
const methods = useStepper()
return (
<div
date-component="stepper"
className={cn('w-full', className)}
{...props}
>
{typeof children === 'function' ? children({ methods }) : children}
</div>
)
}
return {
...rest,
useStepper,
Stepper: {
Provider: ({
variant = 'horizontal',
labelOrientation = 'horizontal',
tracking = false,
children,
className,
...props
}) => {
// Avoid leaking non-DOM props like `initialStep` onto the div
const { initialStep, initialMetadata, ...restProps } = props as {
initialStep?: any
initialMetadata?: any
} & Record<string, unknown>
return (
<StepperContext.Provider
value={{ variant, labelOrientation, tracking }}
>
<Scoped initialStep={initialStep} initialMetadata={initialMetadata}>
<StepperContainer className={className} {...(restProps as any)}>
{children}
</StepperContainer>
</Scoped>
</StepperContext.Provider>
)
},
Navigation: ({
children,
'aria-label': ariaLabel = 'Stepper Navigation',
...props
}) => {
const { variant } = useStepperProvider()
return (
<nav
date-component="stepper-navigation"
aria-label={ariaLabel}
role="tablist"
{...props}
>
<ol
date-component="stepper-navigation-list"
className={classForNavigationList({ variant: variant })}
>
{children}
</ol>
</nav>
)
},
Step: ({ children, className, icon, ...props }) => {
const { variant, labelOrientation } = useStepperProvider()
const { current } = useStepper()
const utils = rest.utils
const steps = rest.steps
const stepIndex = utils.getIndex(props.of)
const step = steps[stepIndex]
const currentIndex = utils.getIndex(current.id)
const isLast = utils.getLast().id === props.of
const isActive = current.id === props.of
const dataState = getStepState(currentIndex, stepIndex)
const childMap = useStepChildren(children)
const title = childMap.get('title')
const description = childMap.get('description')
const panel = childMap.get('panel')
if (variant === 'circle') {
return (
<li
date-component="stepper-step"
className={cn(
'flex shrink-0 items-center gap-4 rounded-md transition-colors',
className,
)}
>
<CircleStepIndicator
currentStep={stepIndex + 1}
totalSteps={steps.length}
/>
<div
date-component="stepper-step-content"
className="flex flex-col items-start gap-1"
>
{title}
{description}
</div>
</li>
)
}
return (
<>
<li
date-component="stepper-step"
className={cn([
'group peer relative flex items-center gap-2',
'data-[variant=vertical]:flex-row',
'data-[label-orientation=vertical]:w-full',
'data-[label-orientation=vertical]:flex-col',
'data-[label-orientation=vertical]:justify-center',
])}
data-variant={variant}
data-label-orientation={labelOrientation}
data-state={dataState}
data-disabled={props.disabled}
>
<Button
id={`step-${step.id}`}
date-component="stepper-step-indicator"
type="button"
role="tab"
tabIndex={dataState !== 'inactive' ? 0 : -1}
className="rounded-full"
variant={dataState !== 'inactive' ? 'default' : 'secondary'}
size="icon"
aria-controls={`step-panel-${props.of}`}
aria-current={isActive ? 'step' : undefined}
aria-posinset={stepIndex + 1}
aria-setsize={steps.length}
aria-selected={isActive}
onKeyDown={(e) =>
onStepKeyDown(
e,
utils.getNext(props.of),
utils.getPrev(props.of),
)
}
{...props}
>
{icon ?? stepIndex + 1}
</Button>
{variant === 'horizontal' && labelOrientation === 'vertical' && (
<StepperSeparator
orientation="horizontal"
labelOrientation={labelOrientation}
isLast={isLast}
state={dataState}
disabled={props.disabled}
/>
)}
<div
date-component="stepper-step-content"
className="flex flex-col items-start"
>
{title}
{description}
</div>
</li>
{variant === 'horizontal' && labelOrientation === 'horizontal' && (
<StepperSeparator
orientation="horizontal"
isLast={isLast}
state={dataState}
disabled={props.disabled}
/>
)}
{variant === 'vertical' && (
<div className="flex gap-4">
{!isLast && (
<div className="flex justify-center ps-[calc(var(--spacing)_*_4.5_-_1px)]">
<StepperSeparator
orientation="vertical"
isLast={isLast}
state={dataState}
disabled={props.disabled}
/>
</div>
)}
<div className="my-3 flex-1 ps-4">{panel}</div>
</div>
)}
</>
)
},
Title,
Description,
Panel: ({ children, asChild, ...props }) => {
const Comp = asChild ? Slot : 'div'
const { tracking } = useStepperProvider()
return (
<Comp
date-component="stepper-step-panel"
ref={(node) => scrollIntoStepperPanel(node, tracking)}
{...props}
>
{children}
</Comp>
)
},
Controls: ({ children, className, asChild, ...props }) => {
const Comp = asChild ? Slot : 'div'
return (
<Comp
date-component="stepper-controls"
className={cn('flex justify-end gap-4', className)}
{...props}
>
{children}
</Comp>
)
},
},
}
}
const Title = ({
children,
className,
asChild,
...props
}: React.ComponentProps<'h4'> & { asChild?: boolean }) => {
const Comp = asChild ? Slot : 'h4'
return (
<Comp
date-component="stepper-step-title"
className={cn('text-base font-medium', className)}
{...props}
>
{children}
</Comp>
)
}
const Description = ({
children,
className,
asChild,
...props
}: React.ComponentProps<'p'> & { asChild?: boolean }) => {
const Comp = asChild ? Slot : 'p'
return (
<Comp
date-component="stepper-step-description"
className={cn('text-muted-foreground text-sm', className)}
{...props}
>
{children}
</Comp>
)
}
const StepperSeparator = ({
orientation,
isLast,
labelOrientation,
state,
disabled,
}: {
isLast: boolean
state: string
disabled?: boolean
} & VariantProps<typeof classForSeparator>) => {
if (isLast) {
return null
}
return (
<div
date-component="stepper-separator"
data-orientation={orientation}
data-state={state}
data-disabled={disabled}
role="separator"
tabIndex={-1}
className={classForSeparator({ orientation, labelOrientation })}
/>
)
}
const CircleStepIndicator = ({
currentStep,
totalSteps,
size = 80,
strokeWidth = 6,
}: Stepper.CircleStepIndicatorProps) => {
const radius = (size - strokeWidth) / 2
const circumference = radius * 2 * Math.PI
const fillPercentage = (currentStep / totalSteps) * 100
const dashOffset = circumference - (circumference * fillPercentage) / 100
return (
<div
date-component="stepper-step-indicator"
role="progressbar"
aria-valuenow={currentStep}
aria-valuemin={1}
aria-valuemax={totalSteps}
tabIndex={-1}
className="relative inline-flex items-center justify-center"
>
<svg width={size} height={size}>
<title>Step Indicator</title>
<circle
cx={size / 2}
cy={size / 2}
r={radius}
fill="none"
stroke="currentColor"
strokeWidth={strokeWidth}
className="text-muted-foreground"
/>
<circle
cx={size / 2}
cy={size / 2}
r={radius}
fill="none"
stroke="currentColor"
strokeWidth={strokeWidth}
strokeDasharray={circumference}
strokeDashoffset={dashOffset}
className="text-primary transition-all duration-300 ease-in-out"
transform={`rotate(-90 ${size / 2} ${size / 2})`}
/>
</svg>
<div className="absolute inset-0 flex items-center justify-center">
<span className="text-sm font-medium" aria-live="polite">
{currentStep} of {totalSteps}
</span>
</div>
</div>
)
}
const classForNavigationList = cva('flex gap-2', {
variants: {
variant: {
horizontal: 'flex-row items-center justify-between',
vertical: 'flex-col',
circle: 'flex-row items-center justify-between',
},
},
})
const classForSeparator = cva(
[
'bg-muted',
'data-[state=completed]:bg-primary data-[disabled]:opacity-50',
'transition-all duration-300 ease-in-out',
],
{
variants: {
orientation: {
horizontal: 'h-0.5 flex-1',
vertical: 'h-full w-0.5',
},
labelOrientation: {
vertical:
'absolute top-5 right-[calc(-50%+20px)] left-[calc(50%+30px)] block shrink-0',
},
},
},
)
function scrollIntoStepperPanel(
node: HTMLDivElement | null,
tracking?: boolean,
) {
if (tracking) {
node?.scrollIntoView({ behavior: 'smooth', block: 'center' })
}
}
const useStepChildren = (children: React.ReactNode) => {
return React.useMemo(() => extractChildren(children), [children])
}
const extractChildren = (children: React.ReactNode) => {
const childrenArray = React.Children.toArray(children)
const map = new Map<string, React.ReactNode>()
for (const child of childrenArray) {
if (React.isValidElement(child)) {
if (child.type === Title) {
map.set('title', child)
} else if (child.type === Description) {
map.set('description', child)
} else {
map.set('panel', child)
}
}
}
return map
}
const onStepKeyDown = (
e: React.KeyboardEvent<HTMLButtonElement>,
nextStep: Stepperize.Step,
prevStep: Stepperize.Step,
) => {
const { key } = e
const directions = {
next: ['ArrowRight', 'ArrowDown'],
prev: ['ArrowLeft', 'ArrowUp'],
}
if (directions.next.includes(key) || directions.prev.includes(key)) {
const direction = directions.next.includes(key) ? 'next' : 'prev'
const step = direction === 'next' ? nextStep : prevStep
if (!step) {
return
}
const stepElement = document.getElementById(`step-${step.id}`)
if (!stepElement) {
return
}
const isActive =
stepElement.parentElement?.getAttribute('data-state') !== 'inactive'
if (isActive || direction === 'prev') {
stepElement.focus()
}
}
}
const getStepState = (currentIndex: number, stepIndex: number) => {
if (currentIndex === stepIndex) {
return 'active'
}
if (currentIndex > stepIndex) {
return 'completed'
}
return 'inactive'
}
namespace Stepper {
export type StepperVariant = 'horizontal' | 'vertical' | 'circle'
export type StepperLabelOrientation = 'horizontal' | 'vertical'
export type ConfigProps = {
variant?: StepperVariant
labelOrientation?: StepperLabelOrientation
tracking?: boolean
}
export type DefineProps<Steps extends Array<Stepperize.Step>> = Omit<
Stepperize.StepperReturn<Steps>,
'Scoped'
> & {
Stepper: {
Provider: (
props: Omit<Stepperize.ScopedProps<Steps>, 'children'> &
Omit<React.ComponentProps<'div'>, 'children'> &
Stepper.ConfigProps & {
children:
| React.ReactNode
| ((props: {
methods: Stepperize.Stepper<Steps>
}) => React.ReactNode)
},
) => React.ReactElement
Navigation: (props: React.ComponentProps<'nav'>) => React.ReactElement
Step: (
props: React.ComponentProps<'button'> & {
of: Stepperize.Get.Id<Steps>
icon?: React.ReactNode
},
) => React.ReactElement
Title: (props: AsChildProps<'h4'>) => React.ReactElement
Description: (props: AsChildProps<'p'>) => React.ReactElement
Panel: (props: AsChildProps<'div'>) => React.ReactElement
Controls: (props: AsChildProps<'div'>) => React.ReactElement
}
}
export type CircleStepIndicatorProps = {
currentStep: number
totalSteps: number
size?: number
strokeWidth?: number
}
}
type AsChildProps<T extends React.ElementType> = React.ComponentProps<T> & {
asChild?: boolean
}
export { defineStepper }