motion-dom/dist/es/effects/MotionValueState.mjs

import { frame, cancelFrame } from '../frameloop/frame.mjs';
import { numberValueTypes } from '../value/types/maps/number.mjs';
import { getValueAsType } from '../value/types/utils/get-as-type.mjs';

class MotionValueState {
    /**
     * @param step - The frameloop step renders are scheduled in. Defaults
     * to `frame.render`. Effects that feed a render loop running in
     * `frame.render` (GPU scenes) should write in `frame.preRender`.
     */
    constructor(step = frame.render) {
        this.step = step;
        this.latest = {};
        this.values = new Map();
    }
    set(name, value, render, computed, useDefaultValueType = true) {
        const existingValue = this.values.get(name);
        if (existingValue) {
            existingValue.onRemove();
        }
        const onChange = () => {
            const v = value.get();
            if (useDefaultValueType) {
                this.latest[name] = getValueAsType(v, numberValueTypes[name]);
            }
            else {
                this.latest[name] = v;
            }
            render && this.step(render);
        };
        onChange();
        const cancelOnChange = value.on("change", onChange);
        computed && value.addDependent(computed);
        const remove = () => {
            cancelOnChange();
            render && cancelFrame(render);
            this.values.delete(name);
            computed && value.removeDependent(computed);
        };
        this.values.set(name, { value, onRemove: remove });
        return remove;
    }
    get(name) {
        return this.values.get(name)?.value;
    }
}

export { MotionValueState };
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