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<!doctype html>
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<!--
Copyright (c) 2015-present, Facebook, Inc.
All rights reserved.
This source code is licensed under the BSD-style license found in the
LICENSE file in the root directory of this source tree. An additional grant
of patent rights can be found in the PATENTS file in the same directory.
-->
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< html >
< head >
< meta charset = utf-8 >
<!-- Fake favicon, to avoid extra request to server -->
< link rel = "icon" href = "data:;base64,iVBORw0KGgo=" >
< title > React Native Debugger< / title >
< script >
(function() {
var sessionID = window.localStorage.getItem('sessionID');
window.localStorage.removeItem('sessionID');
window.onbeforeunload = function() {
if (sessionID) {
return 'If you reload this page, it is going to break the debugging session. ' +
'You should ⌘+R in the iOS simulator to reload.';
}
};
function setStatus(status) {
document.getElementById('status').innerHTML = status;
}
var messageHandlers = {
// This method is a bit hacky. Catalyst asks for a new clean JS runtime.
// The easiest way to do this is to reload this page. That also means that
// web socket connection will be lost. To send reply back we need to remember
// message id
'prepareJSRuntime': function(message) {
window.onbeforeunload = undefined;
window.localStorage.setItem('sessionID', message.id);
window.location.reload();
},
'executeApplicationScript:sourceURL:onComplete:': function(message, sendReply) {
for (var key in message.inject) {
window[key] = JSON.parse(message.inject[key]);
}
loadScript(message.url, sendReply.bind(null, null));
},
'executeJSCall:method:arguments:callback:': function(message, sendReply) {
var returnValue = [[], [], [], [], []];
try {
if (window & & window.require) {
returnValue = window.require(message.moduleName)[message.moduleMethod].apply(null, message.arguments);
}
} finally {
sendReply(JSON.stringify(returnValue));
}
}
}
var ws = new WebSocket('ws://' + window.location.host + '/debugger-proxy');
ws.onopen = function() {
if (sessionID) {
setStatus('Debugger session #' + sessionID + ' active');
ws.send(JSON.stringify({replyID: parseInt(sessionID, 10)}));
} else {
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setStatus('Waiting, press ⌘R in simulator to reload and connect');
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}
}
ws.onmessage = function(message) {
var object = JSON.parse(message.data);
var sendReply = function(result) {
ws.send(JSON.stringify({replyID: object.id, result: result}));
}
var handler = messageHandlers[object.method];
if (handler) {
handler(object, sendReply);
} else {
console.warn('Unknown method: ' + object.method);
}
}
ws.onclose = function() {
setStatus('Disconnected from proxy. Is node server running?');
}
function loadScript(src, callback) {
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = src;
script.onload = callback;
document.head.appendChild(script);
}
})();
< / script >
< style type = "text/css" >
.shortcut {
font-family: monospace;
color: #eee;
background-color: #333;
padding: 4px;
border-radius: 4px;
letter-spacing: 3px;
}
body {
font-size: large;
}
< / style >
< / head >
< body >
< p >
React Native JS code runs inside this Chrome tab
< / p >
< 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 >
< p > Status: < span id = "status" > Loading< / span > < / p >
< / body >
< / html >
