135 lines
3.6 KiB
HTML
135 lines
3.6 KiB
HTML
<!doctype html>
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<!--
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Copyright (c) 2015-present, Facebook, Inc.
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All rights reserved.
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This source code is licensed under the BSD-style license found in the
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LICENSE file in the root directory of this source tree. An additional grant
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of patent rights can be found in the PATENTS file in the same directory.
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-->
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<html>
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<head>
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<meta charset=utf-8>
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<!-- Fake favicon, to avoid extra request to server -->
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<link rel="icon" href="data:;base64,iVBORw0KGgo=">
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<title>React Native Debugger</title>
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<script>
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(function() {
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function setStatus(status) {
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document.getElementById('status').innerHTML = status;
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}
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var INITIAL_MESSAGE = 'Waiting, press <span class="shortcut">⌘R</span> in simulator to reload and connect.';
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function connectToDebuggerProxy() {
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var worker;
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var ws = new WebSocket('ws://' + window.location.host + '/debugger-proxy?role=debugger&name=Chrome');
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function createJSRuntime() {
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// This worker will run the application javascript code,
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// making sure that it's run in an environment without a global
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// document, to make it consistent with the JSC executor environment.
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worker = new Worker('debuggerWorker.js');
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worker.onmessage = function(message) {
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ws.send(JSON.stringify(message.data));
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};
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window.onbeforeunload = function() {
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return 'If you reload this page, it is going to break the debugging session. ' +
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'You should press ⌘R in simulator to reload.';
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};
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}
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function shutdownJSRuntime() {
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if (worker) {
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worker.terminate();
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worker = null;
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window.onbeforeunload = null;
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}
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}
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ws.onopen = function() {
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setStatus(INITIAL_MESSAGE);
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};
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ws.onmessage = function(message) {
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if (!message.data) {
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return;
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}
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var object = JSON.parse(message.data);
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if (object.$event === 'client-disconnected') {
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shutdownJSRuntime();
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setStatus('Waiting, press <span class="shortcut">⌘R</span> in simulator to reload and connect.');
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return;
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}
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if (!object.method) {
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return;
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}
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// Special message that asks for a new JS runtime
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if (object.method === 'prepareJSRuntime') {
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shutdownJSRuntime();
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console.clear();
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createJSRuntime();
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ws.send(JSON.stringify({replyID: object.id}));
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setStatus('Debugger session #' + object.id + ' active.');
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} else if (object.method === '$disconnected') {
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shutdownJSRuntime();
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setStatus(INITIAL_MESSAGE);
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} else {
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// Otherwise, pass through to the worker.
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worker.postMessage(object);
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}
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};
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ws.onclose = function(e) {
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shutdownJSRuntime();
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setStatus('Disconnected from proxy. Attempting reconnection. Is node server running?');
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if (e.reason) {
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setStatus(e.reason);
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console.warn(e.reason);
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}
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setTimeout(connectToDebuggerProxy, 500);
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};
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}
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connectToDebuggerProxy();
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})();
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</script>
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<style type="text/css">
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body {
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font-size: large;
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margin: 0;
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padding: 0;
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font-family: Helvetica, Verdana, sans-serif;
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font-weight: 200;
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}
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.shortcut {
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font-family: "Monaco", monospace;
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font-size: medium;
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color: #eee;
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background-color: #333;
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padding: 4px;
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border-radius: 4px;
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letter-spacing: 3px;
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}
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.content {
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padding: 10px;
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}
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</style>
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</head>
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<body>
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<div class="content">
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<p>
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React Native JS code runs inside this Chrome tab.
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</p>
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<p>Press <span class="shortcut">⌘⌥J</span> to open Developer Tools. Enable <a href="http://stackoverflow.com/a/17324511/232122" target="_blank">Pause On Caught Exceptions</a> for a better debugging experience.</p>
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<p>Status: <span id="status">Loading...</span></p>
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</div>
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</body>
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</html>
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