baixingwenzheng-pc/node_modules/naive-ui/lib/number-animation/src/utils.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.tween = tween;
const easeOut = (t) => 1 - Math.pow((1 - t), 5);
function tween(props) {
    const { from, to, duration, onUpdate, onFinish } = props;
    const startTime = performance.now();
    const tick = () => {
        const current = performance.now();
        const elapsedTime = Math.min(current - startTime, duration);
        const currentValue = from + (to - from) * easeOut(elapsedTime / duration);
        if (elapsedTime === duration) {
            onFinish();
            return;
        }
        onUpdate(currentValue);
        requestAnimationFrame(tick);
    };
    tick();
}