src/blastradius/web/index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>R8 Blast Radius Visualizer</title>
    <link rel="stylesheet" href="style.css">
    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/protobufjs@7.2.4/dist/protobuf.min.js"></script>
</head>
<body>
    <header>
        <h1 onclick="switchView('rules')" style="cursor: pointer;">R8 Blast Radius Visualizer</h1>
        <div id="tabs">
            <button class="tab-button active" onclick="switchView('rules')">Keep Rules <span id="rules-count" class="badge hidden">0</span></button>
            <button class="tab-button" onclick="switchView('files')">Keep Rule Files <span id="files-count" class="badge hidden">0</span></button>
            <button class="tab-button" onclick="switchView('unused')">Unused Rules <span id="unused-count" class="badge hidden">0</span></button>
            <button class="tab-button" onclick="switchView('redundant')">Redundant Rules <span id="redundant-count" class="badge hidden">0</span></button>
        </div>
        <div id="file-info"></div>
    </header>

    <div id="container">
        <div id="sidebar">
            <div id="drop-zone" class="hidden">
                <p>Drop a .pb file here<br>or click to upload</p>
                <input type="file" id="file-input" class="hidden" accept=".pb">
            </div>

            <div class="search-box hidden">
                <input type="text" id="search-input" placeholder="Search keep rules...">
            </div>

            <div id="rule-list">
                <!-- Rules will be populated here -->
            </div>
        </div>

        <div id="main-content">
            <div id="loading-screen">
                <div class="spinner"></div>
                <p>Loading blast radius...</p>
            </div>
        </div>

        <template id="stats-overview-template">
            <div id="stats-overview">
                <div class="stat-card" style="margin-bottom: 1rem; display: flex; justify-content: space-between; align-items: center;">
                    <div class="stat-label" style="font-size: 1rem;">Keep Rules</div>
                    <div class="stat-value" id="stat-rules" style="font-size: 2rem;">0</div>
                </div>
                <div class="card" style="padding: 0; overflow: hidden;">
                    <table class="stats-table">
                        <thead>
                            <tr>
                                <th>Item Type</th>
                                <th style="text-align: right;">No obfuscation</th>
                                <th style="text-align: right;">No optimization</th>
                                <th style="text-align: right;">No shrinking</th>
                                <th style="text-align: right;">Reachable</th>
                                <th style="text-align: right;">Total</th>
                            </tr>
                        </thead>
                        <tbody>
                            <tr>
                                <td>Classes</td>
                                <td id="stat-no-obfuscation-classes" style="text-align: right;">0</td>
                                <td id="stat-no-optimization-classes" style="text-align: right;">0</td>
                                <td id="stat-no-shrinking-classes" style="text-align: right;">0</td>
                                <td id="stat-reachable-classes" style="text-align: right;">0</td>
                                <td id="stat-total-classes" style="text-align: right;">0</td>
                            </tr>
                            <tr>
                                <td>Methods</td>
                                <td id="stat-no-obfuscation-methods" style="text-align: right;">0</td>
                                <td id="stat-no-optimization-methods" style="text-align: right;">0</td>
                                <td id="stat-no-shrinking-methods" style="text-align: right;">0</td>
                                <td id="stat-reachable-methods" style="text-align: right;">0</td>
                                <td id="stat-total-methods" style="text-align: right;">0</td>
                            </tr>
                            <tr>
                                <td>Fields</td>
                                <td id="stat-no-obfuscation-fields" style="text-align: right;">0</td>
                                <td id="stat-no-optimization-fields" style="text-align: right;">0</td>
                                <td id="stat-no-shrinking-fields" style="text-align: right;">0</td>
                                <td id="stat-reachable-fields" style="text-align: right;">0</td>
                                <td id="stat-total-fields" style="text-align: right;">0</td>
                            </tr>
                        </tbody>
                    </table>
                </div>
            </div>
        </template>

        <template id="welcome-message-template">
            <div id="welcome-message">
                <h2>Welcome to the Blast Radius Visualizer</h2>
                <p>Upload a <code>.pb</code> file generated by R8 with the <code>-printblastradius</code> flag to see how your keep rules affect your build.</p>
                <p>This tool helps you identify:</p>
                <ul>
                    <li>Keep rules with the largest impact on your app size.</li>
                    <li>Dependencies that introduce broad keep rules.</li>
                    <li>Redundant keep rules that are subsumed by others.</li>
                </ul>
            </div>
        </template>
    </div>

    <script src="main.js"></script>
</body>
</html>