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RN: Refactor Chrome Debugger JS

Summary:
Refactors JavaScript in the `debugger.html` used to operate the Chrome Debugger.

- Pull out all view-related logic into a global `Page` object.
- Persist the dark theme across debug sessions using `localStorage`.

Reviewed By: kassens

Differential Revision: D4786235

fbshipit-source-id: ab959d1c95465a10b4538b14d9c87a51ae3b7078
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yungsters authored and facebook-github-bot committed Mar 29, 2017
1 parent 436a9a5 commit 696b49e3b875ad9349b42bb9a354c8dfe4beb382
Showing with 150 additions and 110 deletions.
  1. +150 −110 local-cli/server/util/debugger.html
@@ -1,4 +1,4 @@
<!doctype html>
<!DOCTYPE html>
<!--
Copyright (c) 2015-present, Facebook, Inc.
All rights reserved.
@@ -7,142 +7,179 @@
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.
-->
<html>
<head>
<meta charset=utf-8>
<!-- Base 64 encoded favicon, to avoid extra request to server -->
<link rel="icon" href="data:;base64,iVBORw0KGgo=">
<title>React Native Debugger</title>
<script>
/* eslint-env browser */
'use strict';
(function() {
function setStatus(status) {
document.getElementById('status').innerHTML = status;
}
const isMacLike = /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
const refreshShortcut = isMacLike ? '⌘R' : 'Ctrl R';
window.onload = function() {
if (!isMacLike) {
document.getElementById('shortcut').innerHTML = 'Ctrl⇧J';
}
Page.render();
};
const RUNNING_ICON = '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';
const SLOW_ICON = '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';
const STOPPED_ICON = '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';
const Assets = {
blueIcon: 'data:image/png;base64,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',
grayIcon: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAABGdBTUEAALGPC/xhBQAAA9VJREFUWMPNV+dKJEEQnl93r3Avcfcavpe/zHlXzDmLYlZU1oSrYEDFsGZdVDBvUBTUuv6K6aZ34ioiW1BMT1dPdXWFr3oMI03q7u7+lZOTk5WbmxsQz5DgiOCEyRiHTFkW1hrfRXl5eX+E0qDgmGBKk7E2iG+/vHFZWdlvcaJswclPbJzC+BY6oOvTpxYfhr+6sYMh4bS9kZ+f/098EP2uzTUjoPNvOie3bV5YWEihUIjW1tZobGyMCgoKbBsUFxfT5OQkbWxs8FpxEEcjXD1hxtzR7cfHx/Tx8UGvr68ESiaTNDQ0pOTj4+P08vLCsufnZ167vb3tGg7HnECyOH1QU1PDimdmZvi9ra2Nrq6ueG59fZ22trZ4HI1GqbGxkdcsLy/T+/s7lZeXuxmR7eR6x2zv6+vjDaRysFhPq6urJGlpaQlKlbyrq4vn29vbXasjJRRmnTsuhqtBdXV1KfO6ATixLmttbeX53t5er8QM6gjnCjIdHR2sDKeSc4ODgyoEm5ubPIanpLy/v5/nmpqaPMGKERPQ6VU+wWCQlSERd3d3Of6ILxjJBpbvl5eXnBP7+/v8TWlpqV95ZhkmftuESKDFxUV6enpSrk4kEirLI5EIxx7ux4aYw1pZDaB4PE6zs7NUUlLilgsBw2wsKYKBgQFWBKVHR0d0cHDA45GREVY8NzenvAPGGMaAhoeH+Xl4eEjn5+eqbHt6epyMCBlmJ1OTIi68GdwpE6+lpUWd6P7+nqtgb29PnRRuB/BADtaTtrm5ma6vr+nt7Y2T02JAxDDbqZo8PT2lh4cHRj99HnMgIGEgECArId5TU1M8vrm5saEkwodQWQxI2Aw4OTmhx8dHmwE4OWh0dNTRAMRZGnB7e2szAGGA1yw5ELeFAOWGEFxcXFB1dbVyo4wlDAHoAGoloRwRglgsxqyXIABMhgChdAqBaxKitFB6YBgF9+tJWFFRoeA2HA6zDBiBtUhceBNjzyR0K0O4eWVlRTUgKLq7u2NlGO/s7PCmYGkgZHrZ4n1hYcEVD2QZegJRVVUVK0NJoSSRYBJ8JEkggqthmASiyspKfyDyg+LOzk5WhqcVinE/kD0BYUu3GaVAsV8zksBSW1ubMo/N9STUZQ0NDTajXJuRXzuWjUVvx+D5+XllAPLAqRsC1NJqx14XEpxcv5DAEIAVCHWNmIPOzs6ovr5eVQTyRMK074XE70omywmNCIQSxf1PyicmJlS1oAqw1go6vlcyr0tpUVERdzVcOLExkM26Bkg4PT3NfQHe+vSlNCOu5RnxY5IRv2YZ8XP6U7/n/wFyU6HBPUWxjAAAAABJRU5ErkJggg==',
orangeIcon: 'data:image/png;base64,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',
};
function setFavicon(base64) {
document.querySelector('link[rel=icon]').href = 'data:image/png;base64,' + base64;
}
const Page = window.Page = {
state: {
isDark: localStorage.getItem('darkTheme') === 'on',
status: {type: 'disconnected'},
visibilityState: document.visibilityState,
},
setState(partialState) {
Page.state = Object.assign({}, Page.state, partialState);
Page.render();
},
render() {
const {
isDark,
status,
visibilityState,
} = Page.state;
const statusNode = document.getElementById('status');
switch (status.type) {
case 'connected':
statusNode.innerHTML = 'Debugger session #' + status.id + ' active.';
break;
case 'error':
statusNode.innerHTML = status.error.reason || 'Disconnected from proxy. Attempting reconnection. Is node server running?';
break;
case 'connecting':
case 'disconnected':
// Fall through.
default:
statusNode.innerHTML = 'Waiting, press <span class="shortcut">' + refreshShortcut + '</span> in simulator to reload and connect.';
break;
}
var isMacLike = /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
var refresh_shortcut = isMacLike ? '⌘R' : 'Ctrl R';
window.onload = function() {
if (!isMacLike) {
document.getElementById('dev_tools_shortcut').innerHTML = 'Ctrl⇧J';
}
};
const linkNode = document.querySelector('link[rel=icon]');
if (status.type === 'disconnected' ||
status.type === 'error') {
linkNode.href = Assets.grayIcon;
} else {
if (visibilityState === 'visible') {
linkNode.href = Assets.blueIcon;
} else {
linkNode.href = Assets.orangeIcon;
}
}
var INITIAL_MESSAGE = 'Waiting, press <span class="shortcut">' + refresh_shortcut + '</span> in simulator to reload and connect.';
const darkCheckbox = document.getElementById('dark');
document.body.classList.toggle('dark', isDark);
darkCheckbox.checked = isDark;
localStorage.setItem('darkTheme', isDark ? 'on' : '');
},
function connectToDebuggerProxy() {
var worker;
var ws = new WebSocket('ws://' + window.location.host + '/debugger-proxy?role=debugger&name=Chrome');
toggleDarkTheme() {
Page.setState({isDark: !Page.state.isDark});
},
function createJSRuntime() {
// This worker will run the application javascript code,
// making sure that it's run in an environment without a global
// document, to make it consistent with the JSC executor environment.
worker = new Worker('debuggerWorker.js');
worker.onmessage = function(message) {
ws.send(JSON.stringify(message.data));
};
window.onbeforeunload = function() {
return 'If you reload this page, it is going to break the debugging session. ' +
'You should press' + refresh_shortcut + 'in simulator to reload.';
};
updateVisibility();
updateFavicon();
}
};
function shutdownJSRuntime() {
if (worker) {
worker.terminate();
worker = null;
window.onbeforeunload = null;
updateFavicon();
function connectToDebuggerProxy() {
const ws = new WebSocket('ws://' + window.location.host + '/debugger-proxy?role=debugger&name=Chrome');
let worker;
function createJSRuntime() {
// This worker will run the application JavaScript code,
// making sure that it's run in an environment without a global
// document, to make it consistent with the JSC executor environment.
worker = new Worker('debuggerWorker.js');
worker.onmessage = function(message) {
ws.send(JSON.stringify(message.data));
};
window.onbeforeunload = function() {
return 'If you reload this page, it is going to break the debugging session. ' +
'You should press' + refreshShortcut + 'in simulator to reload.';
};
updateVisibility();
}
}
function updateVisibility() {
if (worker) {
worker.postMessage({
method: 'setDebuggerVisibility',
visibilityState: document.visibilityState,
});
function shutdownJSRuntime() {
if (worker) {
worker.terminate();
worker = null;
window.onbeforeunload = null;
}
}
updateFavicon();
}
function updateFavicon() {
if (worker) {
if (document.visibilityState === 'visible') {
setFavicon(RUNNING_ICON);
} else {
setFavicon(SLOW_ICON);
function updateVisibility() {
if (worker) {
worker.postMessage({
method: 'setDebuggerVisibility',
visibilityState: document.visibilityState,
});
}
} else {
setFavicon(STOPPED_ICON);
Page.setState({visibilityState: document.visibilityState});
}
}
ws.onopen = function() {
setStatus(INITIAL_MESSAGE);
};
ws.onopen = function() {
Page.setState({status: {type: 'connecting'}});
};
ws.onmessage = function(message) {
if (!message.data) {
return;
}
var object = JSON.parse(message.data);
ws.onmessage = function(message) {
if (!message.data) {
return;
}
const object = JSON.parse(message.data);
if (object.$event === 'client-disconnected') {
shutdownJSRuntime();
setStatus('Waiting, press <span class="shortcut">' + refresh_shortcut + '</span> in simulator to reload and connect.');
return;
}
if (object.$event === 'client-disconnected') {
shutdownJSRuntime();
Page.setState({status: {type: 'disconnected'}});
return;
}
if (!object.method) {
return;
}
if (!object.method) {
return;
}
// Special message that asks for a new JS runtime
if (object.method === 'prepareJSRuntime') {
shutdownJSRuntime();
console.clear();
createJSRuntime();
ws.send(JSON.stringify({replyID: object.id}));
setStatus('Debugger session #' + object.id + ' active.');
} else if (object.method === '$disconnected') {
shutdownJSRuntime();
setStatus(INITIAL_MESSAGE);
} else {
// Otherwise, pass through to the worker.
worker.postMessage(object);
}
};
// Special message that asks for a new JS runtime
if (object.method === 'prepareJSRuntime') {
shutdownJSRuntime();
console.clear();
createJSRuntime();
ws.send(JSON.stringify({replyID: object.id}));
Page.setState({status: {type: 'connected', id: object.id}});
} else if (object.method === '$disconnected') {
shutdownJSRuntime();
Page.setState({status: {type: 'disconnected'}});
} else {
// Otherwise, pass through to the worker.
worker.postMessage(object);
}
};
ws.onclose = function(e) {
shutdownJSRuntime();
setStatus('Disconnected from proxy. Attempting reconnection. Is node server running?');
if (e.reason) {
setStatus(e.reason);
console.warn(e.reason);
}
setTimeout(connectToDebuggerProxy, 500);
};
ws.onclose = function(error) {
shutdownJSRuntime();
Page.setState({status: {type: 'error', error}});
if (error.reason) {
console.warn(error.reason);
}
setTimeout(connectToDebuggerProxy, 500);
};
// Let debuggerWorker.js know when we're not visible so that we can warn about
// poor performance when using remote debugging.
document.addEventListener('visibilitychange', updateVisibility, false);
}
// Let debuggerWorker.js know when we're not visible so that we can warn about
// poor performance when using remote debugging.
document.addEventListener('visibilitychange', updateVisibility, false);
}
connectToDebuggerProxy();
connectToDebuggerProxy();
})();
</script>
@@ -178,17 +215,20 @@
.dark a {
color: #3b99fc;
}
input[type=checkbox] {
vertical-align: middle;
}
</style>
</head>
<body>
<div class="content">
<label for="dark">
<input type="checkbox" id="dark" onclick="document.body.classList.toggle('dark')"> Dark background
<input type="checkbox" id="dark" onclick="Page.toggleDarkTheme()"> Dark Theme
</label>
<p>
React Native JS code runs inside this Chrome tab.
React Native JS code runs as a web worker inside this tab.
</p>
<p>Press <kbd id='dev_tools_shortcut' class="shortcut">⌘⌥J</kbd> to open Developer Tools. Enable <a href="https://stackoverflow.com/a/17324511/232122" target="_blank">Pause On Caught Exceptions</a> for a better debugging experience.</p>
<p>Press <kbd id="shortcut" class="shortcut">⌘⌥J</kbd> to open Developer Tools. Enable <a href="https://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>
</div>
</body>

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