swOperation/node_modules/@antv/g2/esm/animation/zoomIn.js

import { effectTiming } from './utils';
export const ZoomIn = (options) => {
    // Small enough to hide or show very small part of mark,
    // but bigger enough to not cause bug.
    const ZERO = 0.0001;
    return (from, to, value, coordinate, defaults) => {
        const [shape] = from;
        const { transform: prefix = '', fillOpacity = 1, strokeOpacity = 1, opacity = 1, } = shape.style;
        const keyframes = [
            {
                transform: `${prefix} scale(${ZERO})`.trimStart(),
                fillOpacity: 0,
                strokeOpacity: 0,
                opacity: 0,
            },
            {
                transform: `${prefix} scale(${ZERO})`.trimStart(),
                fillOpacity,
                strokeOpacity,
                opacity,
                offset: 0.01,
            },
            {
                transform: `${prefix} scale(1)`.trimStart(),
                fillOpacity,
                strokeOpacity,
                opacity,
            },
        ];
        const { width, height } = shape.getBoundingClientRect();
        // Change transform origin for correct transform.
        shape.setOrigin([width / 2, height / 2]);
        const animation = shape.animate(keyframes, effectTiming(defaults, value, options));
        // Reset transform origin to eliminate side effect for following animations.
        animation.finished.then(() => shape.setOrigin(0, 0));
        return animation;
    };
};
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