@visactor/vchart/esm/series/bar/animation.js

charts lib based @visactor/VGrammar

import { Factory } from "../../core/factory";

function barGrowOption(barParams, isOverall = !0) {
    return (datum, element, params) => {
        const field = "vertical" === barParams.direction ? barParams.yField : barParams.xField, data = null == datum ? void 0 : datum[field];
        return "vertical" === barParams.direction ? {
            overall: isOverall ? barParams.growFrom() : isOverall,
            orient: data > 0 ? "negative" : "positive"
        } : {
            overall: !!isOverall && barParams.growFrom(),
            orient: data > 0 ? "positive" : "negative"
        };
    };
}

export const barGrowIn = (params, isOverall = !0) => ({
    type: "horizontal" === params.direction ? "growWidthIn" : "growHeightIn",
    options: barGrowOption(params, isOverall)
});

export const barGrowOut = (params, isOverall = !0) => ({
    type: "horizontal" === params.direction ? "growWidthOut" : "growHeightOut",
    options: barGrowOption(params, isOverall)
});

const Appear_FadeIn = {
    type: "fadeIn"
}, Appear_ScaleIn = {
    type: "growCenterIn"
};

export function barPresetAnimation(params, preset) {
    if (!1 === preset) return {};
    switch (preset) {
      case "fadeIn":
        return Appear_FadeIn;

      case "scaleIn":
        return Appear_ScaleIn;

      default:
        return barGrowIn(params);
    }
}

export const registerBarAnimation = () => {
    Factory.registerAnimation("bar", ((params, preset) => ({
        appear: barPresetAnimation(params, preset),
        enter: barGrowIn(params, !1),
        exit: barGrowOut(params, !1),
        disappear: barGrowOut(params)
    })));
};
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