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73 lines
2.0 KiB
TypeScript
73 lines
2.0 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/nats-io/nats.ws/master/src/connect.ts
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/*
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* Copyright 2020-2021 The NATS Authors
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {
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ConnectionOptions,
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NatsConnection,
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NatsConnectionImpl,
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setTransportFactory,
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Transport,
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TransportFactory,
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} from "https://raw.githubusercontent.com/nats-io/nats.deno/v1.0.0-rc4/nats-base-client/internal_mod.ts";
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import { WsTransport } from "./ws_transport.ts";
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export function wsUrlParseFn(u: string): string {
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const ut = /^(.*:\/\/)(.*)/;
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if (!ut.test(u)) {
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u = `https://${u}`;
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}
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let url = new URL(u);
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const srcProto = url.protocol.toLowerCase();
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if (srcProto !== "https:" && srcProto !== "http") {
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u = u.replace(/^(.*:\/\/)(.*)/gm, "$2");
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url = new URL(`http://${u}`);
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}
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let protocol;
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let port;
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const host = url.hostname;
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const path = url.pathname;
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const search = url.search || "";
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switch (srcProto) {
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case "http:":
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case "ws:":
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case "nats:":
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port = url.port || "80";
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protocol = "ws:";
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break;
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default:
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port = url.port || "443";
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protocol = "wss:";
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break;
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}
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return `${protocol}//${host}:${port}${path}${search}`;
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}
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export function connect(opts: ConnectionOptions = {}): Promise<NatsConnection> {
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setTransportFactory({
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defaultPort: 443,
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urlParseFn: wsUrlParseFn,
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factory: (): Transport => {
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return new WsTransport();
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},
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} as TransportFactory);
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return NatsConnectionImpl.connect(opts);
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}
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