@visactor/vrender-animate/cjs/custom/fromTo.js

This module provides a graph-based animation system for VRender.

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: !0
}), exports.FromTo = void 0;

const custom_animate_1 = require("./custom-animate");

class FromTo extends custom_animate_1.ACustomAnimate {
    constructor(from, to, duration, easing, params) {
        super(from, to, duration, easing, params), this.from = null != from ? from : {};
    }
    onBind() {
        var _a, _b;
        super.onBind(), Object.keys(this.from).forEach((key => {
            null == this.props[key] && (this.props[key] = this.target.getGraphicAttribute(key));
        }));
        const finalAttribute = this.target.getFinalAttribute();
        "appear" === (null === (_a = this.target.context) || void 0 === _a ? void 0 : _a.animationState) && finalAttribute && this.target.setAttributes(finalAttribute), 
        !1 !== (null === (_b = this.params.controlOptions) || void 0 === _b ? void 0 : _b.immediatelyApply) && this.target.setAttributes(this.from);
    }
    onFirstRun() {
        this.from = Object.assign(Object.assign({}, this.getLastProps()), this.from);
        const startProps = this.animate.getStartProps();
        this.propKeys && this.propKeys.forEach((key => {
            var _a;
            this.from[key] = null !== (_a = this.from[key]) && void 0 !== _a ? _a : startProps[key];
        })), this.target.setAttributes(this.from);
    }
    deleteSelfAttr(key) {
        super.deleteSelfAttr(key), delete this.from[key];
    }
    update(end, ratio, out) {
        if (this.onStart(), !this.props || !this.propKeys) return;
        const easedRatio = this.easing(ratio);
        this.animate.interpolateUpdateFunction ? this.animate.interpolateUpdateFunction(this.from, this.props, easedRatio, this, this.target) : this.interpolateUpdateFunctions.forEach(((func, index) => {
            if (!this.animate.validAttr(this.propKeys[index])) return;
            const key = this.propKeys[index];
            func(key, this.from[key], this.props[key], easedRatio, this, this.target);
        })), this.onUpdate(end, easedRatio, out), this.syncAttributeUpdate();
    }
}

exports.FromTo = FromTo;
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