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chat: Add Gemini support

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abdus
2025-02-03 09:50:15 +03:00
parent 5be55541cb
commit fe23f342c1
1 changed files with 123 additions and 9 deletions
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chat.html
+123 -9
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@@ -149,6 +149,24 @@
outline: none;
border-color: var(--bg-user-message);
}
.submit {
anchor-name: --submit;
}
.model-selector {
position: absolute;
position-anchor: --submit;
bottom: anchor(top);
right: anchor(right);
}
.model-opt__label {
display: block;
}
details {
cursor: pointer;
}
</style>
</head>
<body>
@@ -157,17 +175,45 @@
<div id="messages" class="messages"></div>
<textarea rows="5" id="prompt" class="prompt" placeholder="Type your message..."></textarea>
<button id="submit" class="submit">Send</button>
<details class="model-selector">
<summary>Model</summary>
<label class="model-opt__label">
<input type="radio" name="model" value="gpt-4o" checked />
GPT-4o
</label>
<label class="model-opt__label">
<input type="radio" name="model" value="gpt-4o-mini" />
GPT-4o mini
</label>
<label class="model-opt__label">
<input type="radio" name="model" value="claude-3-5-sonnet-20241022" />
Claude 3.5 Sonnet
</label>
<label class="model-opt__label">
<input type="radio" name="model" value="gemini-1.5-flash-8b-latest" />
Gemini 1.5 Flash 8b
</label>
</details>
</div>
</div>
<script>
window.env ??= {};
let abortController = null;
const messages = [{ role: "system", content: "You are a helpful AI assistant." }];
const messages = [{ role: "system", content: "You are a helpful AI assistant. Do not preach about implications." }];
const $messages = document.getElementById("messages");
const $prompt = document.getElementById("prompt");
const $submit = document.getElementById("submit");
document.querySelectorAll("[name=model]").forEach((modelOpt) => {
if (modelOpt.value === window.env.MODEL) {
modelOpt.checked = true;
}
});
$submit.addEventListener("click", () => {
if (abortController) {
abortController.abort();
@@ -213,16 +259,27 @@
$submit.textContent = "Cancel";
abortController = new AbortController();
const pickedModel = document.querySelector("[name=model]:checked")?.value ?? window.env.MODEL;
const chat = {
chatgpt: (params) =>
chatWithOpenAI({ ...params, apiKey: window.env.OPENAI_API_KEY, model: "gpt-4o" }),
chatgpt: (params) => chatWithOpenAI({ ...params, apiKey: window.env.OPENAI_API_KEY, model: "gpt-4o" }),
claude: (params) =>
chatWithClaude({
...params,
apiKey: window.env.ANTHROPIC_API_KEY,
model: "claude-3-5-sonnet-20241022",
}),
}[window.env.MODEL ?? "claude"];
"gpt-4o": (params) => chatWithOpenAI({ ...params, apiKey: window.env.OPENAI_API_KEY, model: "gpt-4o" }),
"gpt-4o-mini": (params) => chatWithOpenAI({ ...params, apiKey: window.env.OPENAI_API_KEY, model: "gpt-4o-mini" }),
"gemini-1.5-flash-8b-latest": (params) =>
chatWithGemini({ ...params, apiKey: window.env.GEMINI_API_KEY, model: "gemini-1.5-flash-8b-latest" }),
"claude-3-5-sonnet-20241022": (params) =>
chatWithClaude({
...params,
apiKey: window.env.ANTHROPIC_API_KEY,
model: "claude-3-5-sonnet-20241022",
}),
}[pickedModel];
if (!chat) {
console.error(`Unknown model: ${window.env.MODEL}`);
return;
@@ -254,18 +311,18 @@
function createMessageElement(content, isUser) {
const message = document.createElement("div");
message.className = `message ${isUser ? "user-message" : "system-message"}`;
message.innerHTML = marked.parse(content);
message.innerHTML = marked.parse(content, { sanitize: true });
return message;
}
function updateMessageContent(element, content) {
element.innerHTML = marked.parse(content, { sanitize: true });
}
function scrollToBottom(element) {
element.scrollTop = element.scrollHeight;
}
function updateMessageContent(element, content) {
element.innerHTML = marked.parse(content);
}
async function chatWithOpenAI({ onContent, messages, signal, apiKey, model }) {
const payload = {
model,
@@ -363,6 +420,63 @@
}
}
}
async function chatWithGemini({ onContent, messages, signal, apiKey, model = "gemini-1.5-flash-8b" }) {
const payload = {
contents: messages.map((msg) => ({
role: msg.role === "system" ? "user" : msg.role,
parts: [{ text: msg.content }],
})),
generationConfig: {
temperature: 0,
},
safetySettings: [
{ category: "HARM_CATEGORY_DANGEROUS_CONTENT", threshold: "BLOCK_NONE" },
{ category: "HARM_CATEGORY_HARASSMENT", threshold: "BLOCK_NONE" },
{ category: "HARM_CATEGORY_HATE_SPEECH", threshold: "BLOCK_NONE" },
{ category: "HARM_CATEGORY_SEXUALLY_EXPLICIT", threshold: "BLOCK_NONE" },
],
};
const response = await fetch(`https://generativelanguage.googleapis.com/v1beta/models/${model}:streamGenerateContent?alt=sse`, {
method: "POST",
headers: {
"Content-Type": "application/json",
"x-goog-api-key": apiKey,
},
body: JSON.stringify(payload),
signal,
});
const reader = response.body.getReader();
const decoder = new TextDecoder();
while (true) {
const { done, value } = await reader.read();
if (done) break;
const text = decoder.decode(value, { stream: true });
const lines = text
.split("\n")
.filter((line) => line.trim())
.map((line) => line.replace("data: ", ""));
for (const line of lines) {
if (line === "") continue;
try {
const parsed = JSON.parse(line);
if (parsed.candidates?.[0]?.content?.parts?.[0]?.text) {
const content = parsed.candidates[0].content.parts[0].text;
if (content) {
await onContent(content);
}
}
} catch (e) {
console.error("Error parsing line:", e);
}
}
}
}
</script>
</body>
</html>