135 lines
4.4 KiB
JavaScript
135 lines
4.4 KiB
JavaScript
//---------------------------------------------------------------------------
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// @syndicate-lang/syntax-test, a demo of Syndicate extensions to JS.
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// Copyright (C) 2016-2018 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//---------------------------------------------------------------------------
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const UI = require("@syndicate-lang/driver-browser-ui");
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// @jsx UI.html
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// @jsxFrag UI.htmlFragment
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import { currentFacet, genUuid } from "@syndicate-lang/core";
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const Http = activate require("@syndicate-lang/driver-http-node");
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const server = Http.HttpServer(null, 8080);
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assertion type Counter(id);
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function counter() {
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const id = genUuid();
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spawn named ['counter', id] {
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const rootFacet = currentFacet();
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assert Counter(id);
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field this.counter = 0;
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during Http.Request($reqId, server, 'get', ['counter', id], _, _) {
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assert :snapshot Http.Response(
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reqId, 200, "OK", {"Content-type": "text/html"},
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'<!DOCTYPE html>' + UI.htmlToString(
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<div>
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<p>The current value of counter <tt>{id}</tt> is {this.counter}.</p>
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<ul>
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<li><a href={"/counter/"+id+"/inc"}>Increment</a></li>
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<li><a href={"/counter/"+id+"/dec"}>Decrement</a></li>
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<li><a href={"/counter/"+id+"/delete"}>Delete</a></li>
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</ul>
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<p><a href="/">Back to counter list.</a></p>
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</div>
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));
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}
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during Http.Request($reqId, server, 'get', ['counter', id, 'inc'], _, _) {
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on start this.counter++;
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assert :snapshot Http.Response(
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reqId, 303, "See other", {"Location": "/counter/" + id}, "");
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}
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during Http.Request($reqId, server, 'get', ['counter', id, 'dec'], _, _) {
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on start this.counter--;
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assert :snapshot Http.Response(
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reqId, 303, "See other", {"Location": "/counter/" + id}, "");
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}
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during Http.Request($reqId, server, 'get', ['counter', id, 'delete'], _, _) {
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on stop { rootFacet.stop(); }
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assert :snapshot Http.Response(
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reqId, 303, "See other", {"Location": "/"}, "");
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}
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}
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return id;
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}
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spawn named 'serverLogger' {
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on asserted Http.Request(_, server, $method, $path, $query, $req) {
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console.log(method, path.toJS(), query.toJS());
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}
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on asserted Http.WebSocket(_, server, $path, $query) {
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console.log(path.toJS(), query.toJS());
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}
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}
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spawn named 'rootServer' {
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let counters = {};
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on asserted Counter($id) counters[id] = true;
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on retracted Counter($id) delete counters[id];
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during Http.Request($reqId, server, 'get', [], _, _) {
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const es = [];
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for (let id in counters) {
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es.push(<li><a href={"/counter/"+id}>{id}</a></li>);
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}
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assert :snapshot Http.Response(
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reqId, 200, "OK", {"Content-type": "text/html"},
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'<!DOCTYPE html>' + UI.htmlToString(
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<div>
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<p>Available counters:</p>
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<ul>{es}</ul>
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<p><a href="/new">New counter</a></p>
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</div>
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));
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}
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during Http.Request($reqId, server, 'get', ['new'], _, _) {
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assert :snapshot Http.Response(
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reqId, 303, "See other", {"Location": "/counter/" + counter()}, "");
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}
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}
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spawn named 'greetingServer' {
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during Http.Request($reqId, server, 'get', ['hello', $name], _, _) {
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assert Http.Response(reqId, 200, "OK", {"Content-type": "text/plain"}, "Hello, "+name+"!");
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}
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during Http.Request($reqId, server, 'get', ['hello'], $query, _) {
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assert Http.Response(reqId, 200, "OK", {"Content-type": "text/plain"},
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"Hello, "+query.get('name')+"!");
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}
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}
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spawn named 'websocketEchoServer' {
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during Http.WebSocket($reqId, server, ['echo'], _) {
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on message Http.DataIn(reqId, $message) {
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console.log('got', reqId, message);
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send Http.DataOut(reqId, message);
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}
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stop on message Http.DataIn(reqId, "quit");
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}
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}
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