mirror of
https://github.com/open-webui/open-webui
synced 2024-11-13 20:20:22 +00:00
306 lines
8.8 KiB
Svelte
306 lines
8.8 KiB
Svelte
<script lang="ts">
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import toast from 'svelte-french-toast';
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import Navbar from '$lib/components/layout/Navbar.svelte';
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import { marked } from 'marked';
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import type { PageData } from './$types';
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import { ENDPOINT } from '$lib/contants';
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export let data: PageData;
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$: ({ models } = data);
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let selectedModel = '';
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let prompt = '';
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let context = '';
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let chatHistory = {};
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let textareaElement = '';
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const splitStream = (splitOn) => {
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let buffer = '';
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return new TransformStream({
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transform(chunk, controller) {
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buffer += chunk;
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const parts = buffer.split(splitOn);
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parts.slice(0, -1).forEach((part) => controller.enqueue(part));
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buffer = parts[parts.length - 1];
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},
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flush(controller) {
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if (buffer) controller.enqueue(buffer);
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}
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});
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};
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const submitPrompt = async () => {
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console.log('submitPrompt');
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if (selectedModel !== '') {
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console.log(prompt);
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let user_prompt = prompt;
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chatHistory[Object.keys(chatHistory).length] = {
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role: 'user',
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content: user_prompt
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};
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prompt = '';
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textareaElement.style.height = '';
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setTimeout(() => {
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window.scrollTo({ top: document.body.scrollHeight, behavior: 'smooth' });
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}, 50);
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const res = await fetch(`${ENDPOINT}/api/generate`, {
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method: 'POST',
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headers: {
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'Content-Type': 'text/event-stream'
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},
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body: JSON.stringify({
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model: selectedModel,
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prompt: user_prompt,
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context: context != '' ? context : undefined
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})
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});
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chatHistory[Object.keys(chatHistory).length] = {
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role: 'assistant',
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content: ''
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};
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window.scrollTo({ top: document.body.scrollHeight });
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const reader = res.body
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.pipeThrough(new TextDecoderStream())
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.pipeThrough(splitStream('\n'))
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.getReader();
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while (true) {
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const { value, done } = await reader.read();
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if (done) break;
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try {
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let lines = value.split('\n');
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for (const line of lines) {
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if (line !== '') {
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console.log(line);
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let data = JSON.parse(line);
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if (data.done == false) {
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if (
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chatHistory[Object.keys(chatHistory).length - 1].content == '' &&
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data.response == '\n'
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) {
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continue;
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} else {
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chatHistory[Object.keys(chatHistory).length - 1].content += data.response;
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}
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} else {
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context = data.context;
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console.log(context);
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chatHistory[Object.keys(chatHistory).length - 1].done = true;
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}
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}
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}
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} catch (error) {
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console.log(error);
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}
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window.scrollTo({ top: document.body.scrollHeight });
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}
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window.scrollTo({ top: document.body.scrollHeight });
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} else {
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toast.error('Model not selected');
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}
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};
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const copyToClipboard = (text) => {
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if (!navigator.clipboard) {
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var textArea = document.createElement('textarea');
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textArea.value = text;
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// Avoid scrolling to bottom
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textArea.style.top = '0';
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textArea.style.left = '0';
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textArea.style.position = 'fixed';
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document.body.appendChild(textArea);
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textArea.focus();
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textArea.select();
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try {
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var successful = document.execCommand('copy');
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var msg = successful ? 'successful' : 'unsuccessful';
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console.log('Fallback: Copying text command was ' + msg);
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} catch (err) {
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console.error('Fallback: Oops, unable to copy', err);
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}
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document.body.removeChild(textArea);
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return;
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}
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navigator.clipboard.writeText(text).then(
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function () {
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console.log('Async: Copying to clipboard was successful!');
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toast.success('Copying to clipboard was successful!');
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},
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function (err) {
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console.error('Async: Could not copy text: ', err);
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}
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);
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};
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</script>
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<div class="app text-gray-100">
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<div class=" bg-gray-800 min-h-screen overflow-auto flex flex-row">
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<Navbar />
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<div class="min-h-screen w-full flex justify-center">
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<div class=" py-2.5 flex flex-col justify-between w-full">
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<div class="max-w-2xl mx-auto w-full px-2.5 mt-14">
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<div class="p-3 rounded-lg bg-gray-900">
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<div>
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<label for="models" class="block mb-2 text-sm font-medium text-gray-200">Model</label>
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<select
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id="models"
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class="outline-none border border-gray-600 bg-gray-700 text-gray-200 text-sm rounded-lg block w-full p-2.5 placeholder-gray-400"
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bind:value={selectedModel}
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disabled={Object.keys(chatHistory).length != 0}
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>
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<option value="" selected>Select a model</option>
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{#each models.models as model}
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<option value={model.name}>{model.name}</option>
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{/each}
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</select>
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</div>
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</div>
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</div>
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<div class=" h-full mb-32 w-full flex flex-col">
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{#if Object.keys(chatHistory).length == 0}
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<div class="m-auto text-center max-w-md">
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<div class="flex justify-center">
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<img src="/ollama.png" class="w-16 invert-[80%]" />
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</div>
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<div class="mt-6 text-3xl text-gray-500 font-semibold">
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Get up and running with large language models, locally.
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</div>
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<div class=" mt-4 text-gray-600">
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Run Llama 2, Code Llama, and other models. <br /> Customize and create your own.
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</div>
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</div>
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{:else}
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{#each Object.keys(chatHistory) as messageIdx}
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<div class=" w-full {chatHistory[messageIdx].role == 'user' ? '' : ' bg-gray-700'}">
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<div class="flex justify-between p-5 py-10 max-w-3xl mx-auto rounded-lg">
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<div class="space-x-7 flex">
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<div class="">
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<img
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src="/{chatHistory[messageIdx].role == 'user' ? 'user' : 'favicon'}.png"
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class=" max-w-[32px] object-cover rounded"
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/>
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</div>
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<div class="whitespace-pre-line">
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{@html marked.parse(chatHistory[messageIdx].content)}
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<!-- {} -->
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</div>
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</div>
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<div>
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{#if chatHistory[messageIdx].role != 'user' && chatHistory[messageIdx].done}
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<button
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class="p-1 rounded hover:bg-gray-700 transition"
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on:click={() => {
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copyToClipboard(chatHistory[messageIdx].content);
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}}
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>
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<svg
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xmlns="http://www.w3.org/2000/svg"
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fill="none"
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viewBox="0 0 24 24"
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stroke-width="1.5"
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stroke="currentColor"
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class="w-4 h-4"
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>
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<path
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stroke-linecap="round"
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stroke-linejoin="round"
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d="M15.666 3.888A2.25 2.25 0 0013.5 2.25h-3c-1.03 0-1.9.693-2.166 1.638m7.332 0c.055.194.084.4.084.612v0a.75.75 0 01-.75.75H9a.75.75 0 01-.75-.75v0c0-.212.03-.418.084-.612m7.332 0c.646.049 1.288.11 1.927.184 1.1.128 1.907 1.077 1.907 2.185V19.5a2.25 2.25 0 01-2.25 2.25H6.75A2.25 2.25 0 014.5 19.5V6.257c0-1.108.806-2.057 1.907-2.185a48.208 48.208 0 011.927-.184"
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/>
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</svg>
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</button>
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{/if}
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</div>
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</div>
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</div>
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{/each}
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{/if}
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</div>
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</div>
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<div class="fixed bottom-0 w-full">
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<!-- <hr class=" mb-3 border-gray-600" /> -->
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<div class=" bg-gradient-to-t from-gray-900 pt-5">
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<div class="max-w-3xl p-2.5 -mb-0.5 mx-auto inset-x-0">
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<form class=" flex shadow-sm relative w-full" on:submit|preventDefault={submitPrompt}>
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<textarea
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class="rounded-xl bg-gray-700 outline-none w-full py-3 px-5 pr-12 resize-none"
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placeholder="Send a message"
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bind:this={textareaElement}
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bind:value={prompt}
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on:keypress={(e) => {
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if (e.keyCode == 13 && !e.shiftKey) {
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e.preventDefault();
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}
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if (prompt !== '' && e.keyCode == 13 && !e.shiftKey) {
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submitPrompt();
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}
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}}
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rows="1"
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on:input={() => {
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textareaElement.style.height = '';
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textareaElement.style.height = Math.min(textareaElement.scrollHeight, 200) + 'px';
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}}
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/>
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<div class=" absolute right-0 bottom-0">
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<div class="pr-3 pb-2">
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<button
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class="{prompt !== ''
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? 'bg-emerald-600 text-gray-100 hover:bg-emerald-700 '
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: 'text-gray-600 disabled'} transition rounded p-2"
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type="submit"
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>
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<svg
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xmlns="http://www.w3.org/2000/svg"
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viewBox="0 0 16 16"
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fill="none"
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class="w-4 h-4"
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><path
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d="M.5 1.163A1 1 0 0 1 1.97.28l12.868 6.837a1 1 0 0 1 0 1.766L1.969 15.72A1 1 0 0 1 .5 14.836V10.33a1 1 0 0 1 .816-.983L8.5 8 1.316 6.653A1 1 0 0 1 .5 5.67V1.163Z"
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fill="currentColor"
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/></svg
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>
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</button>
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</div>
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</div>
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</form>
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<div class="mt-2.5 text-xs text-gray-500 text-center">
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LLMs may produce inaccurate information about people, places, or facts.
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</div>
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</div>
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</div>
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</div>
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</div>
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<!-- <main class="w-full flex justify-center">
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<div class="max-w-lg w-screen p-5" />
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</main> -->
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</div>
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</div>
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