482 lines
10 KiB
TypeScript
482 lines
10 KiB
TypeScript
import { FolkShape } from "./folk-shape";
|
|
import { css, html } from "./tags";
|
|
|
|
const styles = css`
|
|
:host {
|
|
background: white;
|
|
border-radius: 8px;
|
|
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
|
|
min-width: 400px;
|
|
min-height: 450px;
|
|
}
|
|
|
|
.header {
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: space-between;
|
|
padding: 8px 12px;
|
|
background: linear-gradient(135deg, #0ea5e9, #6366f1);
|
|
color: white;
|
|
border-radius: 8px 8px 0 0;
|
|
font-size: 12px;
|
|
font-weight: 600;
|
|
cursor: move;
|
|
}
|
|
|
|
.header-title {
|
|
display: flex;
|
|
align-items: center;
|
|
gap: 6px;
|
|
}
|
|
|
|
.header-actions {
|
|
display: flex;
|
|
gap: 4px;
|
|
}
|
|
|
|
.header-actions button {
|
|
background: transparent;
|
|
border: none;
|
|
color: white;
|
|
cursor: pointer;
|
|
padding: 2px 6px;
|
|
border-radius: 4px;
|
|
font-size: 14px;
|
|
}
|
|
|
|
.header-actions button:hover {
|
|
background: rgba(255, 255, 255, 0.2);
|
|
}
|
|
|
|
.content {
|
|
display: flex;
|
|
flex-direction: column;
|
|
height: calc(100% - 36px);
|
|
overflow: hidden;
|
|
}
|
|
|
|
.messages {
|
|
flex: 1;
|
|
overflow-y: auto;
|
|
padding: 12px;
|
|
display: flex;
|
|
flex-direction: column;
|
|
gap: 12px;
|
|
}
|
|
|
|
.message {
|
|
max-width: 85%;
|
|
padding: 10px 14px;
|
|
border-radius: 12px;
|
|
font-size: 13px;
|
|
line-height: 1.5;
|
|
}
|
|
|
|
.message.user {
|
|
align-self: flex-end;
|
|
background: linear-gradient(135deg, #0ea5e9, #6366f1);
|
|
color: white;
|
|
border-bottom-right-radius: 4px;
|
|
}
|
|
|
|
.message.assistant {
|
|
align-self: flex-start;
|
|
background: #f1f5f9;
|
|
color: #1e293b;
|
|
border-bottom-left-radius: 4px;
|
|
}
|
|
|
|
.message.streaming {
|
|
background: #f1f5f9;
|
|
}
|
|
|
|
.message.streaming::after {
|
|
content: "\u258C";
|
|
animation: blink 1s infinite;
|
|
}
|
|
|
|
@keyframes blink {
|
|
0%, 100% { opacity: 1; }
|
|
50% { opacity: 0; }
|
|
}
|
|
|
|
.placeholder {
|
|
flex: 1;
|
|
display: flex;
|
|
flex-direction: column;
|
|
align-items: center;
|
|
justify-content: center;
|
|
color: #94a3b8;
|
|
text-align: center;
|
|
gap: 8px;
|
|
padding: 24px;
|
|
}
|
|
|
|
.placeholder-icon {
|
|
font-size: 48px;
|
|
opacity: 0.5;
|
|
}
|
|
|
|
.input-area {
|
|
padding: 12px;
|
|
border-top: 1px solid #e2e8f0;
|
|
display: flex;
|
|
flex-direction: column;
|
|
gap: 8px;
|
|
}
|
|
|
|
.model-select {
|
|
padding: 6px 10px;
|
|
border: 2px solid #e2e8f0;
|
|
border-radius: 6px;
|
|
font-size: 12px;
|
|
background: white;
|
|
cursor: pointer;
|
|
width: fit-content;
|
|
}
|
|
|
|
.prompt-row {
|
|
display: flex;
|
|
gap: 8px;
|
|
}
|
|
|
|
.prompt-input {
|
|
flex: 1;
|
|
padding: 10px 14px;
|
|
border: 2px solid #e2e8f0;
|
|
border-radius: 8px;
|
|
font-size: 13px;
|
|
resize: none;
|
|
outline: none;
|
|
font-family: inherit;
|
|
}
|
|
|
|
.prompt-input:focus {
|
|
border-color: #6366f1;
|
|
}
|
|
|
|
.send-btn {
|
|
padding: 10px 16px;
|
|
background: linear-gradient(135deg, #0ea5e9, #6366f1);
|
|
color: white;
|
|
border: none;
|
|
border-radius: 8px;
|
|
font-size: 16px;
|
|
cursor: pointer;
|
|
transition: opacity 0.2s;
|
|
}
|
|
|
|
.send-btn:hover {
|
|
opacity: 0.9;
|
|
}
|
|
|
|
.send-btn:disabled {
|
|
opacity: 0.5;
|
|
cursor: not-allowed;
|
|
}
|
|
|
|
.error {
|
|
color: #ef4444;
|
|
padding: 12px;
|
|
background: #fef2f2;
|
|
border-radius: 6px;
|
|
font-size: 13px;
|
|
margin: 12px;
|
|
}
|
|
|
|
.clear-btn {
|
|
font-size: 12px;
|
|
padding: 4px 8px;
|
|
background: #f1f5f9;
|
|
border: none;
|
|
border-radius: 4px;
|
|
cursor: pointer;
|
|
color: #64748b;
|
|
}
|
|
|
|
.clear-btn:hover {
|
|
background: #e2e8f0;
|
|
}
|
|
|
|
pre {
|
|
background: #1e293b;
|
|
color: #e2e8f0;
|
|
padding: 12px;
|
|
border-radius: 6px;
|
|
overflow-x: auto;
|
|
font-size: 12px;
|
|
margin: 8px 0;
|
|
}
|
|
|
|
code {
|
|
font-family: "Monaco", "Consolas", monospace;
|
|
}
|
|
`;
|
|
|
|
export interface ChatMessage {
|
|
id: string;
|
|
role: "user" | "assistant";
|
|
content: string;
|
|
timestamp: Date;
|
|
}
|
|
|
|
declare global {
|
|
interface HTMLElementTagNameMap {
|
|
"folk-prompt": FolkPrompt;
|
|
}
|
|
}
|
|
|
|
export class FolkPrompt extends FolkShape {
|
|
static override tagName = "folk-prompt";
|
|
|
|
static {
|
|
const sheet = new CSSStyleSheet();
|
|
const parentRules = Array.from(FolkShape.styles.cssRules)
|
|
.map((r) => r.cssText)
|
|
.join("\n");
|
|
const childRules = Array.from(styles.cssRules)
|
|
.map((r) => r.cssText)
|
|
.join("\n");
|
|
sheet.replaceSync(`${parentRules}\n${childRules}`);
|
|
this.styles = sheet;
|
|
}
|
|
|
|
#messages: ChatMessage[] = [];
|
|
#isStreaming = false;
|
|
#error: string | null = null;
|
|
#model = "gemini-1.5-flash";
|
|
|
|
#messagesEl: HTMLElement | null = null;
|
|
#promptInput: HTMLTextAreaElement | null = null;
|
|
#modelSelect: HTMLSelectElement | null = null;
|
|
#sendBtn: HTMLButtonElement | null = null;
|
|
|
|
get messages() {
|
|
return this.#messages;
|
|
}
|
|
|
|
override createRenderRoot() {
|
|
const root = super.createRenderRoot();
|
|
|
|
const wrapper = document.createElement("div");
|
|
wrapper.innerHTML = html`
|
|
<div class="header">
|
|
<span class="header-title">
|
|
<span>\u{1F4AC}</span>
|
|
<span>AI Prompt</span>
|
|
</span>
|
|
<div class="header-actions">
|
|
<button class="clear-btn" title="Clear chat">Clear</button>
|
|
<button class="close-btn" title="Close">\u00D7</button>
|
|
</div>
|
|
</div>
|
|
<div class="content">
|
|
<div class="messages">
|
|
<div class="placeholder">
|
|
<span class="placeholder-icon">\u{1F916}</span>
|
|
<span>Ask me anything!</span>
|
|
<span style="font-size: 11px;">I can help with code, writing, analysis, and more</span>
|
|
</div>
|
|
</div>
|
|
<div class="input-area">
|
|
<select class="model-select">
|
|
<option value="gemini-1.5-flash">Gemini Flash</option>
|
|
<option value="gemini-1.5-pro">Gemini Pro</option>
|
|
<option value="claude-3-haiku">Claude Haiku</option>
|
|
<option value="claude-3-sonnet">Claude Sonnet</option>
|
|
</select>
|
|
<div class="prompt-row">
|
|
<textarea class="prompt-input" placeholder="Type your message..." rows="2"></textarea>
|
|
<button class="send-btn">\u2192</button>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
`;
|
|
|
|
// Replace the container div (slot's parent) with our wrapper
|
|
const slot = root.querySelector("slot");
|
|
const containerDiv = slot?.parentElement as HTMLElement;
|
|
if (containerDiv) {
|
|
containerDiv.replaceWith(wrapper);
|
|
}
|
|
|
|
this.#messagesEl = wrapper.querySelector(".messages");
|
|
this.#promptInput = wrapper.querySelector(".prompt-input");
|
|
this.#modelSelect = wrapper.querySelector(".model-select");
|
|
this.#sendBtn = wrapper.querySelector(".send-btn");
|
|
const clearBtn = wrapper.querySelector(".clear-btn") as HTMLButtonElement;
|
|
const closeBtn = wrapper.querySelector(".close-btn") as HTMLButtonElement;
|
|
|
|
// Send button
|
|
this.#sendBtn?.addEventListener("click", (e) => {
|
|
e.stopPropagation();
|
|
this.#send();
|
|
});
|
|
|
|
// Enter key (without shift)
|
|
this.#promptInput?.addEventListener("keydown", (e) => {
|
|
if (e.key === "Enter" && !e.shiftKey) {
|
|
e.preventDefault();
|
|
this.#send();
|
|
}
|
|
});
|
|
|
|
// Model select
|
|
this.#modelSelect?.addEventListener("change", () => {
|
|
this.#model = this.#modelSelect?.value || "gemini-1.5-flash";
|
|
});
|
|
|
|
// Clear button
|
|
clearBtn.addEventListener("click", (e) => {
|
|
e.stopPropagation();
|
|
this.#clearChat();
|
|
});
|
|
|
|
// Prevent drag on inputs
|
|
this.#promptInput?.addEventListener("pointerdown", (e) => e.stopPropagation());
|
|
|
|
// Close button
|
|
closeBtn.addEventListener("click", (e) => {
|
|
e.stopPropagation();
|
|
this.dispatchEvent(new CustomEvent("close"));
|
|
});
|
|
|
|
return root;
|
|
}
|
|
|
|
async #send() {
|
|
const content = this.#promptInput?.value.trim();
|
|
if (!content || this.#isStreaming) return;
|
|
|
|
// Add user message
|
|
const userMessage: ChatMessage = {
|
|
id: crypto.randomUUID(),
|
|
role: "user",
|
|
content,
|
|
timestamp: new Date(),
|
|
};
|
|
this.#messages.push(userMessage);
|
|
|
|
// Clear input
|
|
if (this.#promptInput) this.#promptInput.value = "";
|
|
|
|
this.#isStreaming = true;
|
|
this.#error = null;
|
|
if (this.#sendBtn) this.#sendBtn.disabled = true;
|
|
this.#renderMessages(true);
|
|
|
|
try {
|
|
const response = await fetch("/api/prompt", {
|
|
method: "POST",
|
|
headers: { "Content-Type": "application/json" },
|
|
body: JSON.stringify({
|
|
messages: this.#messages.map((m) => ({
|
|
role: m.role,
|
|
content: m.content,
|
|
})),
|
|
model: this.#model,
|
|
}),
|
|
});
|
|
|
|
if (!response.ok) {
|
|
throw new Error(`Request failed: ${response.statusText}`);
|
|
}
|
|
|
|
const result = await response.json();
|
|
|
|
const assistantMessage: ChatMessage = {
|
|
id: crypto.randomUUID(),
|
|
role: "assistant",
|
|
content: result.content || result.text || result.message,
|
|
timestamp: new Date(),
|
|
};
|
|
this.#messages.push(assistantMessage);
|
|
|
|
this.dispatchEvent(
|
|
new CustomEvent("message", { detail: { message: assistantMessage } })
|
|
);
|
|
} catch (error) {
|
|
this.#error = error instanceof Error ? error.message : "Request failed";
|
|
// Remove the user message if we failed
|
|
this.#messages.pop();
|
|
} finally {
|
|
this.#isStreaming = false;
|
|
if (this.#sendBtn) this.#sendBtn.disabled = false;
|
|
this.#renderMessages(false);
|
|
}
|
|
}
|
|
|
|
#clearChat() {
|
|
this.#messages = [];
|
|
this.#error = null;
|
|
this.#renderMessages(false);
|
|
}
|
|
|
|
#renderMessages(streaming: boolean) {
|
|
if (!this.#messagesEl) return;
|
|
|
|
if (this.#messages.length === 0 && !this.#error) {
|
|
this.#messagesEl.innerHTML = `
|
|
<div class="placeholder">
|
|
<span class="placeholder-icon">\u{1F916}</span>
|
|
<span>Ask me anything!</span>
|
|
<span style="font-size: 11px;">I can help with code, writing, analysis, and more</span>
|
|
</div>
|
|
`;
|
|
return;
|
|
}
|
|
|
|
let messagesHtml = this.#messages
|
|
.map((msg) => `<div class="message ${msg.role}">${this.#formatContent(msg.content)}</div>`)
|
|
.join("");
|
|
|
|
if (streaming) {
|
|
messagesHtml += '<div class="message assistant streaming"></div>';
|
|
}
|
|
|
|
if (this.#error) {
|
|
messagesHtml += `<div class="error">${this.#escapeHtml(this.#error)}</div>`;
|
|
}
|
|
|
|
this.#messagesEl.innerHTML = messagesHtml;
|
|
this.#messagesEl.scrollTop = this.#messagesEl.scrollHeight;
|
|
}
|
|
|
|
#formatContent(content: string): string {
|
|
// Simple markdown-like formatting
|
|
let html = this.#escapeHtml(content);
|
|
|
|
// Code blocks
|
|
html = html.replace(/```(\w*)\n([\s\S]*?)```/g, "<pre><code>$2</code></pre>");
|
|
|
|
// Inline code
|
|
html = html.replace(/`([^`]+)`/g, "<code>$1</code>");
|
|
|
|
// Bold
|
|
html = html.replace(/\*\*([^*]+)\*\*/g, "<strong>$1</strong>");
|
|
|
|
// Line breaks
|
|
html = html.replace(/\n/g, "<br>");
|
|
|
|
return html;
|
|
}
|
|
|
|
#escapeHtml(text: string): string {
|
|
const div = document.createElement("div");
|
|
div.textContent = text;
|
|
return div.innerHTML;
|
|
}
|
|
|
|
override toJSON() {
|
|
return {
|
|
...super.toJSON(),
|
|
type: "folk-prompt",
|
|
model: this.#model,
|
|
messages: this.messages.map((msg) => ({
|
|
...msg,
|
|
timestamp: msg.timestamp.toISOString(),
|
|
})),
|
|
};
|
|
}
|
|
}
|