481 lines
16 KiB
HTML
481 lines
16 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Cet ci pi ti</title>
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<style>
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:root {
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/* Light theme variables */
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--bg-primary: #ffffff;
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--bg-secondary: hsl(220, 20%, 90%);
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--bg-user-message: hsl(220, 58%, 80%);
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--bg-code: #f8f8f8;
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--text-primary: #2c3e50;
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--text-user: hsl(220, 78%, 22%);
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--border-color: #e1e1e1;
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}
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@media (prefers-color-scheme: dark) {
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:root {
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/* Dark theme variables */
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--bg-primary: #1a1a1a;
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--bg-secondary: hsl(220, 20%, 15%);
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--bg-user-message: hsl(220, 30%, 25%);
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--bg-code: #2d2d2d;
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--text-primary: #e1e1e1;
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--text-user: hsl(220, 58%, 80%);
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--border-color: #404040;
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}
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}
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*,
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*::before,
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*::after {
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box-sizing: border-box;
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font-family: inherit;
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}
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body {
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margin: 0;
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
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font-family: "JetBrains Mono", Consolas, Menlo, monospace;
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line-height: 1.6;
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font-size: 14px;
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background-color: var(--bg-primary);
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color: var(--text-primary);
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}
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a {
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color: var(--text-user);
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text-decoration: none;
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}
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.chat-container {
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height: 100vh;
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display: grid;
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grid-template-columns: 1fr min-content;
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grid-template-rows: 1fr min-content;
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gap: 1rem;
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padding: 1rem;
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grid-template-areas:
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"messages messages"
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"prompt submit";
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}
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.messages {
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grid-area: messages;
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overflow-y: auto;
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padding-right: 0.5rem;
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}
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.message {
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padding: 0.8rem 1.2rem;
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border-radius: 0.8rem;
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max-width: 85%;
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}
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textarea,
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button {
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font-size: inherit;
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}
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.message + .message {
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margin-top: 1rem;
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}
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.user-message {
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color: var(--text-user);
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background: var(--bg-user-message);
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margin-left: auto;
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white-space: pre-wrap;
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}
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.system-message {
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background: var(--bg-secondary);
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margin-right: auto;
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}
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.system-message pre,
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.system-message code {
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font-family: menlo, consolas, monospace;
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background: var(--bg-code);
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padding: 0.5rem;
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border-radius: 0.4rem;
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white-space: pre;
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overflow-x: auto;
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}
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.system-message code {
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padding: 2px 4px;
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}
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.prompt {
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grid-area: prompt;
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min-height: 40px;
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padding: 0.8rem;
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border: 1px solid var(--border-color);
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border-radius: 0.4rem;
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background: var(--bg-primary);
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color: var(--text-primary);
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resize: vertical;
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}
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.submit {
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grid-area: submit;
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cursor: pointer;
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padding: 0.8rem 1.6rem;
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background: var(--bg-secondary);
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color: var(--text-primary);
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border: 1px solid var(--border-color);
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border-radius: 0.4rem;
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transition: background-color 0.2s ease;
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}
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.submit:hover {
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background: var(--bg-user-message);
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}
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/* Scrollbar styling */
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.messages::-webkit-scrollbar {
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width: 4px;
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}
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.messages::-webkit-scrollbar-track {
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background: var(--bg-primary);
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}
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.messages::-webkit-scrollbar-thumb {
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background: var(--border-color);
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border-radius: 4px;
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}
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/* Focus styles */
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.prompt:focus,
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.submit:focus {
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outline: none;
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border-color: var(--bg-user-message);
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}
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.submit {
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anchor-name: --submit;
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}
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#model-selector {
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position: absolute;
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position-anchor: --submit;
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bottom: anchor(top);
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right: anchor(right);
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}
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.model-opt__label {
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display: block;
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}
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details {
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cursor: pointer;
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}
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blockquote {
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padding: 1rem;
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margin: 1rem 0;
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background-color: rgba(0, 0, 0, 0.1);
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border-left: 3px solid dodgerblue;
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}
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blockquote > p + p {
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margin: 1em 0 0 0;
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}
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blockquote > p:only-child {
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margin: 0;
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}
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ul {
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padding-left: 1rem;
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}
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td {
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vertical-align: top;
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}
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th {
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vertical-align: top;
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}
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tr:nth-child(odd) {
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background-color: rgba(0, 0, 0, 0.05);
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}
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</style>
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</head>
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<body>
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<div id="app">
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<div class="chat-container">
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<div id="messages" class="messages"></div>
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<textarea rows="5" id="prompt" class="prompt" placeholder="Type your message..."></textarea>
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<button id="submit" class="submit">Send</button>
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<details id="model-selector" popover>
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<summary>Model</summary>
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</details>
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</div>
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</div>
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<script type="module">
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import * as smd from "https://cdn.jsdelivr.net/npm/streaming-markdown@latest/smd.min.js";
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window.env ??= {};
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const models = [
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{ name: "gpt-4.1", chat: chatWithOpenAI },
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{ name: "gpt-4.1-mini", chat: chatWithOpenAI },
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{ name: "gemini-2.5-flash", chat: chatWithGemini },
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{ name: "claude-3-7-sonnet-20250219", chat: chatWithClaude },
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];
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window.env.MODEL ||= "gemini-2.5-flash";
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const systemPrompt = `You are a helpful AI assistant.
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Do not preach about implications,
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do not praise excessively.
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Keep a critical mindset,
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do not assume blindly.
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Answer in valid markdown.`;
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const messages = [
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{
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role: "system",
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content: systemPrompt,
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},
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];
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const $messages = document.querySelector("#messages");
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const $prompt = document.querySelector("#prompt");
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const $submit = document.querySelector("#submit");
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const $modelSelector = document.querySelector("#model-selector");
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$modelSelector.append(
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...models.map((model) => {
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return Object.assign(document.createElement("label"), {
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className: "model-opt__label",
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innerHTML: `<div><input type="radio" name="model" value="${model.name}" />${model.name}</div>`,
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});
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})
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);
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$modelSelector.addEventListener("mouseover", (e) => {
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const open = $modelSelector.hasAttribute("open");
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if (!open) {
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$modelSelector.setAttribute("open", "");
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}
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});
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document.querySelectorAll("[name=model]").forEach(($option) => {
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if ($option.value === window.env.MODEL) {
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$option.checked = true;
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}
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});
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/** @type {AbortController} */
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let abortController = null;
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$submit.addEventListener("click", () => {
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if (abortController) {
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abortController.abort();
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} else {
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handleSubmit();
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}
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});
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$prompt.addEventListener("keydown", (e) => {
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if (e.key === "Enter" && (e.ctrlKey || e.metaKey)) {
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e.preventDefault();
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if (!abortController) {
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handleSubmit();
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}
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}
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});
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const injectedPrompt = window.env.PROMPT?.trim() ?? "";
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if (injectedPrompt) {
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$prompt.value = injectedPrompt + "\n\n";
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}
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$prompt.focus();
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async function handleSubmit() {
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const prompt = $prompt.value.trim();
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if (!prompt) return;
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$modelSelector.removeAttribute("open");
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// Add user message
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const userMessage = createMessageElement(prompt, true);
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$messages.appendChild(userMessage);
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messages.push({ role: "user", content: prompt });
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// Prepare for system response
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const systemMessage = createMessageElement("", false);
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const md = new StreamingMarkdown(systemMessage);
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$messages.appendChild(systemMessage);
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let fullResponse = "";
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$prompt.value = "";
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scrollToBottom($messages);
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abortController = new AbortController();
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const pickedModel = document.querySelector("[name=model]:checked")?.value;
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const chat = models.find((m) => m.name === pickedModel)?.chat;
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if (!chat) {
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console.error(`Unknown model: ${window.env.MODEL}`);
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return;
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}
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$submit.textContent = "Cancel";
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try {
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await chat({
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model: pickedModel,
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onContent: (content) => {
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fullResponse += content;
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smd.parser_write(parser, content);
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scrollToBottom($messages);
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},
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messages,
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signal: abortController.signal,
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});
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if (fullResponse.trim() !== "") {
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messages.push({ role: "assistant", content: fullResponse });
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}
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} catch (err) {
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if (err.name === "AbortError") {
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md.append("\n\n[Cancelled]");
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} else {
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md.append("\n\n[Error: " + err.message + "]");
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}
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} finally {
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md.finish();
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$submit.textContent = "Send";
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abortController = null;
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}
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}
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function createMessageElement(content, isUser) {
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const $el = document.createElement("div");
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$el.className = `message ${isUser ? "user-message" : "system-message"}`;
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if (isUser) {
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$el.innerText = content;
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}
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return $el;
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}
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// Auto scroll functionality
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let userHasScrolledUp = false;
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// Function to check if user is at the bottom
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function isAtBottom($el) {
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const threshold = 50; // Allow some tolerance (50px from bottom)
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return $el.scrollHeight - $el.clientHeight - $el.scrollTop <= threshold;
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}
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// Function to scroll to bottom (only called when new content arrives)
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function scrollToBottom($el) {
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if (!userHasScrolledUp) {
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$el.scrollTop = $el.scrollHeight;
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}
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}
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// Listen for user scroll events to detect if they scrolled up
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$messages.addEventListener("scroll", () => {
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userHasScrolledUp = !isAtBottom($messages);
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});
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/**
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* @typedef {{
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* onContent: (content: string) => Promise<void>,
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* messages: Array<{ role: string, content: string }>,
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* extraHeaders: Record<string, string>,
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* signal: AbortSignal,
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* apiKey: string,
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* model: string
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* }} ChatArgs
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*/
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/** @param {ChatArgs} args - The arguments for the chatWithClaude function. */
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async function chatWithOpenAI({ baseUrl = "https://api.openai.com/v1", onContent, messages, signal, apiKey = window.env.OPENAI_API_KEY, model, extraHeaders = {} }) {
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const response = await fetch(`${baseUrl}/chat/completions`, {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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Authorization: `Bearer ${apiKey}`,
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...extraHeaders,
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},
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body: JSON.stringify({
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model,
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messages,
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stream: true,
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}),
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signal,
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});
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const reader = response.body.getReader();
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const decoder = new TextDecoder();
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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const text = decoder.decode(value, { stream: true });
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const lines = text
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.split("\n\n")
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.filter((line) => !!line.trim())
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.map((line) => line.replace("data: ", ""));
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for (const line of lines) {
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if (line === "[DONE]") return;
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try {
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const parsed = JSON.parse(line);
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const content = parsed.choices[0].delta.content;
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if (content) {
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await onContent(content);
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}
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} catch (e) {}
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}
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}
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}
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/*** @param {ChatArgs} args - The arguments for the chatWithClaude function. */
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async function chatWithClaude(args) {
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return chatWithOpenAI({
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baseUrl: "https://api.anthropic.com/v1",
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extraHeaders: {
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"x-api-key": args.apiKey,
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"anthropic-version": "2023-06-01",
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"anthropic-dangerous-direct-browser-access": "true",
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},
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apiKey: window.env.ANTHROPIC_API_KEY,
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...args,
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});
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}
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/*** @param {ChatArgs} args - The arguments for the chatWithGemini function. */
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async function chatWithGemini(args) {
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return chatWithOpenAI({
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baseUrl: "https://generativelanguage.googleapis.com/v1beta/openai",
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apiKey: window.env.GEMINI_API_KEY,
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...args,
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});
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}
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class StreamingMarkdown {
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constructor($el) {
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this.$el = $el;
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this.renderer = smd.default_renderer(systemMessage);
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this.parser = smd.parser(renderer);
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}
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append(markdown) {
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smd.parser_write(this.parser, markdown);
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}
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finish() {
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smd.parser_end(this.parser);
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}
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}
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</script>
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</body>
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</html>
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