types.d.ts

export interface SpringOptions {
  value?: number | number[]
  target?: number | number[]
  tension?: number
  friction?: number
  mass?: number
  precision?: number
  fps?: number
  onStart?: ((value: number | number[], spring: Spring) => void) | null
  onFrame?: ((value: number | number[], spring: Spring) => void) | null
  onRest?: ((value: number | number[], spring: Spring) => void) | null
  onComplete?: ((value: number | number[], spring: Spring) => void) | null
}

export class Spring {
  constructor(options?: SpringOptions)
  set value(val: number | number[])
  get value(): number | number[]
  getValue(): number | number[]
  set target(val: number | number[])
  get target(): number | number[]
  setTarget(val: number | number[]): this
  start(): this
  pause(): this
  stop(): this
  complete(): this
  tick(t?: number): this
  animateFrame(): void
  get restingAtTarget(): boolean
  get restingAtStart(): boolean
}