@antv/g2/lib/animation/zoomOut.js

the Grammar of Graphics in Javascript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ZoomOut = void 0;
const ZoomOut = (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, _, defaults) => {
        const [shape] = from;
        const { transform: prefix = '', fillOpacity = 1, strokeOpacity = 1, opacity = 1, } = shape.style;
        const keyframes = [
            { transform: `${prefix} scale(1)`.trimStart() },
            {
                transform: `${prefix} scale(${ZERO})`.trimStart(),
                fillOpacity,
                strokeOpacity,
                opacity,
                offset: 0.99,
            },
            {
                transform: `${prefix} scale(${ZERO})`.trimStart(),
                fillOpacity: 0,
                strokeOpacity: 0,
                opacity: 0,
            },
        ];
        const { width, height } = shape.getBoundingClientRect();
        // Change transform origin for correct transform.
        shape.setOrigin([width / 2, height / 2]);
        const animation = shape.animate(keyframes, Object.assign(Object.assign({}, defaults), options));
        // Reset transform origin to eliminate side effect for following animations.
        animation.finished.then(() => shape.setOrigin(0, 0));
        return animation;
    };
};
exports.ZoomOut = ZoomOut;
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