@nymphjs/client/dist/EntityWeakCache.js

Nymph.js - Client

export default class EntityWeakCache {
    references = new WeakMap();
    get(EntityClass, guid) {
        const classMap = this.references.get(EntityClass);
        if (classMap && guid in classMap) {
            const weakRef = classMap[guid];
            const deref = weakRef && weakRef.deref();
            if (deref != null) {
                return deref;
            }
            else {
                delete classMap[guid];
            }
        }
        return null;
    }
    set(EntityClass, entity) {
        if (!entity.guid) {
            return;
        }
        const weakRef = new WeakRef(entity);
        const classMap = this.references.get(EntityClass) || {};
        this.references.set(EntityClass, classMap);
        classMap[entity.guid] = weakRef;
    }
}
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