File size: 1,396 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 |
import { defineHidden } from '@react-spring/shared'
import { AnimatedValue } from './AnimatedValue'
const $node: any = Symbol.for('Animated:node')
export const isAnimated = <T = any>(value: any): value is Animated<T> =>
!!value && value[$node] === value
/** Get the owner's `Animated` node. */
export const getAnimated = <T = any>(owner: any): Animated<T> | undefined =>
owner && owner[$node]
/** Set the owner's `Animated` node. */
export const setAnimated = (owner: any, node: Animated) =>
defineHidden(owner, $node, node)
/** Get every `AnimatedValue` in the owner's `Animated` node. */
export const getPayload = (owner: any): AnimatedValue[] | undefined =>
owner && owner[$node] && owner[$node].getPayload()
export abstract class Animated<T = any> {
/** The cache of animated values */
protected payload?: Payload
constructor() {
// This makes "isAnimated" return true.
setAnimated(this, this)
}
/** Get the current value. Pass `true` for only animated values. */
abstract getValue(animated?: boolean): T
/** Set the current value. Returns `true` if the value changed. */
abstract setValue(value: T): boolean | void
/** Reset any animation state. */
abstract reset(goal?: T): void
/** Get every `AnimatedValue` used by this node. */
getPayload(): Payload {
return this.payload || []
}
}
export type Payload = readonly AnimatedValue[]
|