@shopify/app-bridge-host/esm/api.js

App Bridge Host contains components and middleware to be consumed by the app's host, as well as the host itself. The middleware and `Frame` component are responsible for facilitating communication between the client and host, and used to act on actions se

import { __awaiter, __generator } from 'tslib';
import { retain, release } from '@remote-ui/core';

var RESOLVE_QUEUE_KEY = '__resolveQueue';
function createApiContext() {
    var _this = this;
    var api = {};
    var toBeResolvedLater = {};
    return {
        get api() {
            return api;
        },
        resolveApi: function (proxyApi) {
            Object.keys(proxyApi).forEach(function (key) {
                var apiKey = key;
                if (isValidProxy(proxyApi[apiKey])) {
                    var resolver = proxyApi[apiKey][RESOLVE_QUEUE_KEY];
                    if (Object.prototype.hasOwnProperty.call(api, apiKey)) {
                        resolver(api[apiKey]);
                    }
                    else {
                        // API has not been set so we need to resolve the queue later
                        if (!toBeResolvedLater[apiKey]) {
                            toBeResolvedLater[apiKey] = new Set();
                        }
                        retain(resolver);
                        toBeResolvedLater[apiKey].add(resolver);
                    }
                }
            }, {});
        },
        setApi: function (key, newApi) { return __awaiter(_this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                api[key] = newApi;
                if (toBeResolvedLater[key]) {
                    toBeResolvedLater[key].forEach(function (resolver) {
                        resolver(api[key]);
                        release(resolver);
                    });
                }
                return [2 /*return*/];
            });
        }); },
    };
}
function isValidProxy(api) {
    return (Object.prototype.hasOwnProperty.call(api, RESOLVE_QUEUE_KEY) &&
        typeof api[RESOLVE_QUEUE_KEY] === 'function');
}

export { RESOLVE_QUEUE_KEY, createApiContext };