@shopify/app-bridge-host/store/reducers/embeddedApp/loading/reducer.js

App Bridge Host contains middleware and components that are meant to be consumed by the app's host. The middleware and `Frame` component are responsible for facilitating messages posted between the client and host, and used to act on actions sent from the

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var actions_1 = require("@shopify/app-bridge/actions");
var actions_2 = require("./actions");
/**
 * The default loading state
 * @internal
 */
exports.defaultLoadingStore = {
    isLoading: false,
    loadingCounter: 0,
};
/**
 * Returns the updated loading state
 * @remarks the loading state is managed via counter which enables
 * multiple consumers to start/stop loading
 * @internal
 */
function loadingReducer(state, action) {
    if (state === void 0) { state = exports.defaultLoadingStore; }
    switch (action.type) {
        case actions_1.Loading.ActionType.START: {
            return {
                isLoading: true,
                loadingCounter: state.loadingCounter + 1,
            };
        }
        case actions_1.Loading.ActionType.STOP: {
            var currentCounter = Math.max(0, state.loadingCounter - 1);
            return {
                isLoading: currentCounter > 0,
                loadingCounter: currentCounter,
            };
        }
        case actions_2.RESET_LOADING: {
            return exports.defaultLoadingStore;
        }
        default:
            return state;
    }
}
exports.default = loadingReducer;