data-transport
Version:
A simple and responsive transport
113 lines • 15.9 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ServiceWorkerTransport = exports.ServiceWorkerServiceTransport = exports.ServiceWorkerClientTransport = void 0;
var tslib_1 = require("tslib");
var transport_1 = require("../transport");
var utils_1 = require("../utils");
var DEFAULT_USE_ON_SAFARI = true;
var decode = function (data, useOnSafari) {
try {
return useOnSafari && (0, utils_1.detectSafari)() ? JSON.stringify(data) : data;
}
catch (e) {
console.error("Failed to stringify:", data);
throw e;
}
};
var encode = function (data, useOnSafari) {
try {
return typeof data === 'string' && useOnSafari && (0, utils_1.detectSafari)()
? JSON.parse(data)
: data;
}
catch (e) {
console.error("Failed to parse:", data);
}
return data;
};
var ServiceWorkerClientTransport = /** @class */ (function (_super) {
tslib_1.__extends(ServiceWorkerClientTransport, _super);
function ServiceWorkerClientTransport(_options) {
var worker = _options.worker, _a = _options.useOnSafari, useOnSafari = _a === void 0 ? DEFAULT_USE_ON_SAFARI : _a, _b = _options.listener, listener = _b === void 0 ? function (callback) {
var handler = function (_a) {
var data = _a.data;
callback(encode(data, useOnSafari));
};
navigator.serviceWorker.addEventListener('message', handler);
return function () {
navigator.serviceWorker.removeEventListener('message', handler);
};
} : _b, _c = _options.sender, sender = _c === void 0 ? function (message) {
var _a;
var transfer = (_a = message.transfer) !== null && _a !== void 0 ? _a : [];
delete message.transfer;
worker.postMessage(message, transfer);
} : _c, options = tslib_1.__rest(_options, ["worker", "useOnSafari", "listener", "sender"]);
return _super.call(this, tslib_1.__assign(tslib_1.__assign({}, options), { listener: listener, sender: sender })) || this;
}
return ServiceWorkerClientTransport;
}(transport_1.Transport));
exports.ServiceWorkerClientTransport = ServiceWorkerClientTransport;
var ServiceWorkerServiceTransport = /** @class */ (function (_super) {
tslib_1.__extends(ServiceWorkerServiceTransport, _super);
function ServiceWorkerServiceTransport(_options) {
if (_options === void 0) { _options = {}; }
var _this = this;
var _a = _options.useOnSafari, useOnSafari = _a === void 0 ? DEFAULT_USE_ON_SAFARI : _a, _b = _options.listener, listener = _b === void 0 ? function (callback) {
var handler = function (_a) {
var data = _a.data, source = _a.source;
data._clientId = source.id;
callback(data);
};
self.addEventListener('message', handler);
return function () { return self.removeEventListener('message', handler); };
} : _b, _c = _options.sender, sender = _c === void 0 ? function (message) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
var transfer, data, client_1, client;
var _a;
return tslib_1.__generator(this, function (_b) {
switch (_b.label) {
case 0:
transfer = message.transfer || [];
delete message.transfer;
data = decode(message, useOnSafari);
if (!message._clientId) return [3 /*break*/, 2];
return [4 /*yield*/, self.clients.get(message._clientId)];
case 1:
client_1 = _b.sent();
if (!client_1) {
console.warn("The client \"".concat(message._clientId, "\" is closed."));
return [2 /*return*/];
}
delete message._clientId;
client_1.postMessage(data, transfer);
return [2 /*return*/];
case 2:
client = (_a = message._extra) === null || _a === void 0 ? void 0 : _a._client;
if (client) {
delete message._extra._client;
client.postMessage(data, transfer);
return [2 /*return*/];
}
self.clients
.matchAll()
.then(function (all) {
return all.map(function (client) { return client.postMessage(data, transfer); });
});
return [2 /*return*/];
}
});
}); } : _c, options = tslib_1.__rest(_options, ["useOnSafari", "listener", "sender"]);
_this = _super.call(this, tslib_1.__assign(tslib_1.__assign({}, options), { listener: listener, sender: sender })) || this;
self.addEventListener('activate', function (event) {
event.waitUntil(self.clients.claim());
});
return _this;
}
return ServiceWorkerServiceTransport;
}(transport_1.Transport));
exports.ServiceWorkerServiceTransport = ServiceWorkerServiceTransport;
exports.ServiceWorkerTransport = {
Client: ServiceWorkerClientTransport,
Service: ServiceWorkerServiceTransport,
};
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JSON.stringify(data) : data;\n  } catch (e) {\n    console.error(`Failed to stringify:`, data);\n    throw e;\n  }\n};\n\nconst encode = (data: any, useOnSafari: boolean) => {\n  try {\n    return typeof data === 'string' && useOnSafari && detectSafari()\n      ? JSON.parse(data as any)\n      : data;\n  } catch (e) {\n    console.error(`Failed to parse:`, data);\n  }\n  return data;\n};\n\nexport abstract class ServiceWorkerClientTransport<\n  T extends BaseInteraction = any\n> extends Transport<T> {\n  constructor(_options: ServiceWorkerClientTransportOptions) {\n    const {\n      worker,\n      useOnSafari = DEFAULT_USE_ON_SAFARI,\n      listener = (callback) => {\n        const handler = ({\n          data,\n        }: MessageEvent<ListenerOptions<TransferableWorker>>) => {\n          callback(encode(data, useOnSafari));\n        };\n        navigator.serviceWorker.addEventListener('message', handler);\n        return () => {\n          navigator.serviceWorker.removeEventListener('message', handler);\n        };\n      },\n      sender = (message) => {\n        const transfer = message.transfer ?? [];\n        delete message.transfer;\n        worker.postMessage(message, transfer);\n      },\n      ...options\n    } = _options;\n    super({\n      ...options,\n      listener,\n      sender,\n    });\n  }\n}\n\nexport abstract class ServiceWorkerServiceTransport<\n  T extends BaseInteraction = any\n> extends Transport<T> {\n  constructor(_options: ServiceWorkerServiceTransportOptions = {}) {\n    const {\n      useOnSafari = DEFAULT_USE_ON_SAFARI,\n      listener = (callback) => {\n        const handler = ({ data, source }: ExtendableMessageEvent) => {\n          data._clientId = (source as Client).id as string;\n          callback(data);\n        };\n        self.addEventListener('message', handler);\n        return () => self.removeEventListener('message', handler);\n      },\n      sender = async (message) => {\n        const transfer = message.transfer || [];\n        delete message.transfer;\n        const data = decode(message, useOnSafari);\n        if (message._clientId) {\n          const client = await self.clients.get(message._clientId);\n          if (!client) {\n            console.warn(`The client \"${message._clientId}\" is closed.`);\n            return;\n          }\n          delete message._clientId;\n          client.postMessage(data, transfer);\n          return;\n        }\n\n        const client = message._extra?._client;\n        if (client) {\n          delete message._extra!._client;\n          client.postMessage(data, transfer);\n          return;\n        }\n        self.clients\n          .matchAll()\n          .then((all) =>\n            all.map((client) => client.postMessage(data, transfer))\n          );\n      },\n      ...options\n    } = _options;\n    super({\n      ...options,\n      listener,\n      sender,\n    });\n    self.addEventListener('activate', (event) => {\n      event.waitUntil(self.clients.claim());\n    });\n  }\n}\n\nexport const ServiceWorkerTransport = {\n  Client: ServiceWorkerClientTransport,\n  Service: ServiceWorkerServiceTransport,\n};\n"]}