@orca-fe/x-map/esm/utils/transition.d.ts

import { EventEmitter } from 'events';
declare type OnIntervalParams<T extends Record<string, number>> = (rate: number, state: T, linearRate: number) => void;
declare type Easing = (num: number) => number;
export declare function mix(start: number, end: number, rate: number): number;
export declare function mixObj<T extends Record<string, number>>(start: T, end: Partial<T>, rate: number): T;
export declare class Transition<T extends Record<string, number> = Record<string, number>> extends EventEmitter {
    protected _duration: number;
    protected fromState?: T;
    protected toState?: Partial<T>;
    protected easingFn: Easing;
    protected timer: number;
    protected rate: number;
    protected lastTime: number;
    running: boolean;
    construct(): void;
    duration: (duration: number) => this;
    easing: (easing: Easing) => this;
    from: (fromState: T) => this;
    to: (toState: Partial<T>) => this;
    onInterval: (callback: OnIntervalParams<T>) => this;
    offInterval: (callback: OnIntervalParams<T>) => this;
    start: () => this;
    resume: () => this;
    protected readonly run: () => void;
    cancel: () => void;
    stop: () => this;
}
export declare type TranstionOptions<T extends Record<string, number>> = {
    duration: number;
    from?: T;
    to?: Partial<T>;
    easing?: Easing;
};
export default function transition<T extends Record<string, number>>(options: TranstionOptions<T>): Transition<T>;
export {};