mirror of https://github.com/status-im/metro.git
122 lines
3.5 KiB
HTML
122 lines
3.5 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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var sessionID = window.localStorage.getItem('sessionID');
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window.localStorage.removeItem('sessionID');
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window.onbeforeunload = function() {
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if (sessionID) {
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return 'If you reload this page, it is going to break the debugging session. ' +
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'You should ⌘+R in the iOS simulator to reload.';
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}
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};
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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 messageHandlers = {
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// This method is a bit hacky. Catalyst asks for a new clean JS runtime.
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// The easiest way to do this is to reload this page. That also means that
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// web socket connection will be lost. To send reply back we need to remember
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// message id
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'prepareJSRuntime': function(message) {
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window.onbeforeunload = undefined;
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window.localStorage.setItem('sessionID', message.id);
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window.location.reload();
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},
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'executeApplicationScript:sourceURL:onComplete:': function(message, sendReply) {
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for (var key in message.inject) {
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window[key] = JSON.parse(message.inject[key]);
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}
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loadScript(message.url, sendReply.bind(null, null));
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},
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'executeJSCall:method:arguments:context:callback:': function(message, sendReply) {
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var returnValue = [[], [], [], [], []];
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try {
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if (window && window.require) {
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returnValue = window.require(message.moduleName)[message.moduleMethod].apply(null, message.arguments);
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}
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} finally {
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sendReply(JSON.stringify(returnValue));
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}
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}
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}
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var ws = new WebSocket('ws://' + window.location.host + '/debugger-proxy');
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ws.onopen = function() {
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if (sessionID) {
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setStatus('Debugger session #' + sessionID + ' active');
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ws.send(JSON.stringify({replyID: parseInt(sessionID, 10)}));
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} else {
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setStatus('Waiting, press ⌘R in simulator to reload and connect');
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}
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}
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ws.onmessage = function(message) {
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var object = JSON.parse(message.data);
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var sendReply = function(result) {
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ws.send(JSON.stringify({replyID: object.id, result: result}));
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}
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var handler = messageHandlers[object.method];
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if (handler) {
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handler(object, sendReply);
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} else {
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console.warn('Unknown method: ' + object.method);
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}
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}
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ws.onclose = function() {
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setStatus('Disconnected from proxy. Is node server running?');
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}
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function loadScript(src, callback) {
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = src;
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script.onload = callback;
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document.head.appendChild(script);
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}
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})();
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</script>
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<style type="text/css">
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.shortcut {
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font-family: monospace;
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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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body {
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font-size: large;
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}
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</style>
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</head>
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<body>
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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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</body>
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</html>
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