casparcg-state/dist/lib/stateObjectStorage.js

Node.js Javascript/Typescript library for keeping and resolving a given state of CasparCG into commands for casparcg-connection.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.StateObjectStorage = void 0;
/**
 * StateObjectStorage is used for exposing the internal state variable
 * By default, it is storing the state as an internal variable,
 * byt may be using an external storage function for fetching/storing the state.
 */
class StateObjectStorage {
    constructor() {
        this._internalState = {
            channels: {},
        };
        this._externalStorage = null;
    }
    assignExternalStorage(fcn) {
        this._externalStorage = fcn ?? null;
    }
    fetchState() {
        if (this._externalStorage) {
            return this._externalStorage('fetch', null);
        }
        else {
            return this._internalState;
        }
    }
    storeState(data) {
        if (this._externalStorage) {
            this._externalStorage('store', data);
        }
        else {
            this._internalState = data;
        }
    }
    clearState() {
        if (this._externalStorage) {
            this._externalStorage('clear');
        }
        else {
            this._internalState = {
                channels: {},
            };
        }
    }
}
exports.StateObjectStorage = StateObjectStorage;
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