@visactor/vrender-animate/es/state/animation-states-registry.js

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

export class AnimationTransitionRegistry {
    constructor() {
        this.transitions = new Map, this.registerDefaultTransitions();
    }
    static getInstance() {
        return AnimationTransitionRegistry.instance || (AnimationTransitionRegistry.instance = new AnimationTransitionRegistry), 
        AnimationTransitionRegistry.instance;
    }
    registerDefaultTransitions() {
        this.registerTransition("appear", "*", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !1
        }))), this.registerTransition("appear", "appear", (() => ({
            allowTransition: !1,
            stopOriginalTransition: !1
        }))), this.registerTransition("appear", "disappear", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("appear", "exit", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("normal", "*", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !1
        }))), this.registerTransition("normal", "normal", (() => ({
            allowTransition: !1,
            stopOriginalTransition: !1
        }))), this.registerTransition("normal", "disappear", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("normal", "exit", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("exit", "*", (() => ({
            allowTransition: !1,
            stopOriginalTransition: !1
        }))), this.registerTransition("exit", "disappear", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("exit", "enter", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("exit", "exit", (() => ({
            allowTransition: !1,
            stopOriginalTransition: !1
        }))), this.registerTransition("enter", "*", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !1
        }))), this.registerTransition("enter", "enter", (() => ({
            allowTransition: !1,
            stopOriginalTransition: !1
        }))), this.registerTransition("enter", "disappear", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("enter", "exit", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("disappear", "*", (() => ({
            allowTransition: !1,
            stopOriginalTransition: !1
        }))), this.registerTransition("disappear", "appear", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("update", "*", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !1
        }))), this.registerTransition("update", "disappear", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("update", "exit", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("state", "*", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !1
        }))), this.registerTransition("state", "state", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("state", "disappear", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        }))), this.registerTransition("state", "exit", (() => ({
            allowTransition: !0,
            stopOriginalTransition: !0
        })));
    }
    isTransitionAllowed(fromState, toState, graphic) {
        var _a, _b, _c, _d;
        let func = null === (_a = this.transitions.get(fromState)) || void 0 === _a ? void 0 : _a.get(toState);
        return func ? func(graphic, fromState) : (func = null === (_b = this.transitions.get(fromState)) || void 0 === _b ? void 0 : _b.get("*"), 
        func ? func(graphic, fromState) : (func = null === (_c = this.transitions.get("*")) || void 0 === _c ? void 0 : _c.get(toState), 
        func ? func(graphic, fromState) : (func = null === (_d = this.transitions.get("*")) || void 0 === _d ? void 0 : _d.get("*"), 
        func ? func(graphic, fromState) : {
            allowTransition: !0,
            stopOriginalTransition: !0
        })));
    }
    registerTransition(fromState, toState, transition) {
        let fromStateMap = this.transitions.get(fromState);
        fromStateMap || (fromStateMap = new Map, this.transitions.set(fromState, fromStateMap)), 
        fromStateMap.set(toState, transition);
    }
}

const transitionRegistry = AnimationTransitionRegistry.getInstance();

export { transitionRegistry };
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