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path: root/components/Sidebar/transition-utils.tsx
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// Taken from https://github.com/chakra-ui/chakra-ui/blob/fc3b97d0978cf2adb9fc79157c6e42b4b68155c5/packages/transition/src/transition-utils.ts
import { isNumber } from '@chakra-ui/utils'
import { Target, TargetAndTransition, Transition } from 'framer-motion'

type TargetResolver<P = {}> = (
  props: P & {
    transition?: TransitionConfig
    transitionEnd?: TransitionEndConfig
    delay?: number | DelayConfig
  },
) => TargetAndTransition

type Variant<P = {}> = TargetAndTransition | TargetResolver<P>

export type Variants<P = {}> = {
  enter: Variant<P>
  exit: Variant<P>
  initial?: Variant<P>
}

type WithMotionState<P> = Partial<Record<'enter' | 'exit', P>>

export type TransitionConfig = WithMotionState<Transition>

export type TransitionEndConfig = WithMotionState<Target>

export type DelayConfig = WithMotionState<number>

export const TransitionEasings = {
  ease: [0.25, 0.1, 0.25, 1],
  easeIn: [0.4, 0, 1, 1],
  easeOut: [0, 0, 0.2, 1],
  easeInOut: [0.4, 0, 0.2, 1],
} as const

export const TransitionVariants = {
  scale: {
    enter: { scale: 1 },
    exit: { scale: 0.95 },
  },
  fade: {
    enter: { opacity: 1 },
    exit: { opacity: 0 },
  },
  pushLeft: {
    enter: { x: '100%' },
    exit: { x: '-30%' },
  },
  pushRight: {
    enter: { x: '-100%' },
    exit: { x: '30%' },
  },
  pushUp: {
    enter: { y: '100%' },
    exit: { y: '-30%' },
  },
  pushDown: {
    enter: { y: '-100%' },
    exit: { y: '30%' },
  },
  slideLeft: {
    position: { left: 0, top: 0, bottom: 0, width: '100%' },
    enter: { x: 0 },
    exit: { x: '-100%' },
  },
  slideRight: {
    position: { right: 0, top: 0, bottom: 0, width: '100%' },
    enter: { x: 0 },
    exit: { x: '100%' },
  },
  slideUp: {
    position: { top: 0, left: 0, right: 0, maxWidth: '100vw' },
    enter: { y: 0 },
    exit: { y: '-100%' },
  },
  slideDown: {
    position: { bottom: 0, left: 0, right: 0, maxWidth: '100vw' },
    enter: { y: 0 },
    exit: { y: '100%' },
  },
}

export type SlideDirection = 'top' | 'left' | 'bottom' | 'right'

export function slideTransition(options?: { direction?: SlideDirection }) {
  const side = options?.direction ?? 'right'
  switch (side) {
    case 'right':
      return TransitionVariants.slideRight
    case 'left':
      return TransitionVariants.slideLeft
    case 'bottom':
      return TransitionVariants.slideDown
    case 'top':
      return TransitionVariants.slideUp
    default:
      return TransitionVariants.slideRight
  }
}

export const TransitionDefaults = {
  enter: {
    duration: 0.2,
    ease: TransitionEasings.easeOut,
  },
  exit: {
    duration: 0.1,
    ease: TransitionEasings.easeIn,
  },
} as const

export type WithTransitionConfig<P extends object> = Omit<P, 'transition'> & {
  /**
   * If `true`, the element will unmount when `in={false}` and animation is done
   */
  unmountOnExit?: boolean
  /**
   * Show the component; triggers the enter or exit states
   */
  in?: boolean
  /**
   * Custom `transition` definition for `enter` and `exit`
   */
  transition?: TransitionConfig
  /**
   * Custom `transitionEnd` definition for `enter` and `exit`
   */
  transitionEnd?: TransitionEndConfig
  /**
   * Custom `delay` definition for `enter` and `exit`
   */
  delay?: number | DelayConfig
}

export const withDelay = {
  enter: (transition: Transition, delay?: number | DelayConfig) => ({
    ...transition,
    delay: isNumber(delay) ? delay : delay?.['enter'],
  }),
  exit: (transition: Transition, delay?: number | DelayConfig) => ({
    ...transition,
    delay: isNumber(delay) ? delay : delay?.['exit'],
  }),
}