@inversifyjs/container/lib/container/services/SnapshotManager.js

InversifyJs container

import { InversifyContainerError } from '../../error/models/InversifyContainerError.js';
import { InversifyContainerErrorKind } from '../../error/models/InversifyContainerErrorKind.js';
export class SnapshotManager {
    #serviceReferenceManager;
    #snapshots;
    constructor(serviceReferenceManager) {
        this.#serviceReferenceManager = serviceReferenceManager;
        this.#snapshots = [];
    }
    restore() {
        const snapshot = this.#snapshots.pop();
        if (snapshot === undefined) {
            throw new InversifyContainerError(InversifyContainerErrorKind.invalidOperation, 'No snapshot available to restore');
        }
        this.#serviceReferenceManager.reset(snapshot.activationService, snapshot.bindingService, snapshot.deactivationService);
    }
    snapshot() {
        this.#snapshots.push({
            activationService: this.#serviceReferenceManager.activationService.clone(),
            bindingService: this.#serviceReferenceManager.bindingService.clone(),
            deactivationService: this.#serviceReferenceManager.deactivationService.clone(),
        });
    }
}
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