open-webui/src/routes/(app)/playground/+page.svelte
Timothy J. Baek 242311aee1 fix: styling
2024-03-29 12:44:16 -07:00

439 lines
12 KiB
Svelte

<script lang="ts">
import { goto } from '$app/navigation';
import { onMount, tick, getContext } from 'svelte';
import { toast } from 'svelte-sonner';
import {
LITELLM_API_BASE_URL,
OLLAMA_API_BASE_URL,
OPENAI_API_BASE_URL,
WEBUI_API_BASE_URL
} from '$lib/constants';
import { WEBUI_NAME, config, user, models, settings } from '$lib/stores';
import { cancelOllamaRequest, generateChatCompletion } from '$lib/apis/ollama';
import { generateOpenAIChatCompletion } from '$lib/apis/openai';
import { splitStream } from '$lib/utils';
import ChatCompletion from '$lib/components/playground/ChatCompletion.svelte';
import Selector from '$lib/components/chat/ModelSelector/Selector.svelte';
const i18n = getContext('i18n');
let mode = 'chat';
let loaded = false;
let text = '';
let selectedModelId = '';
let loading = false;
let currentRequestId = null;
let stopResponseFlag = false;
let messagesContainerElement: HTMLDivElement;
let textCompletionAreaElement: HTMLTextAreaElement;
let system = '';
let messages = [
{
role: 'user',
content: ''
}
];
const scrollToBottom = () => {
const element = mode === 'chat' ? messagesContainerElement : textCompletionAreaElement;
if (element) {
element.scrollTop = element?.scrollHeight;
}
};
// const cancelHandler = async () => {
// if (currentRequestId) {
// const res = await cancelOllamaRequest(localStorage.token, currentRequestId);
// currentRequestId = null;
// loading = false;
// }
// };
const stopResponse = () => {
stopResponseFlag = true;
console.log('stopResponse');
};
const textCompletionHandler = async () => {
const model = $models.find((model) => model.id === selectedModelId);
const res = await generateOpenAIChatCompletion(
localStorage.token,
{
model: model.id,
stream: true,
messages: [
{
role: 'assistant',
content: text
}
]
},
model.external
? model.source === 'litellm'
? `${LITELLM_API_BASE_URL}/v1`
: `${OPENAI_API_BASE_URL}`
: `${OLLAMA_API_BASE_URL}/v1`
);
if (res && res.ok) {
const reader = res.body
.pipeThrough(new TextDecoderStream())
.pipeThrough(splitStream('\n'))
.getReader();
while (true) {
const { value, done } = await reader.read();
if (done || stopResponseFlag) {
if (stopResponseFlag) {
await cancelOllamaRequest(localStorage.token, currentRequestId);
}
currentRequestId = null;
break;
}
try {
let lines = value.split('\n');
for (const line of lines) {
if (line !== '') {
if (line === 'data: [DONE]') {
// responseMessage.done = true;
console.log('done');
} else {
let data = JSON.parse(line.replace(/^data: /, ''));
console.log(data);
if ('request_id' in data) {
currentRequestId = data.request_id;
} else {
text += data.choices[0].delta.content ?? '';
}
}
}
}
} catch (error) {
console.log(error);
}
scrollToBottom();
}
}
};
const chatCompletionHandler = async () => {
const model = $models.find((model) => model.id === selectedModelId);
const res = await generateOpenAIChatCompletion(
localStorage.token,
{
model: model.id,
stream: true,
messages: [
system
? {
role: 'system',
content: system
}
: undefined,
...messages
].filter((message) => message)
},
model.external
? model.source === 'litellm'
? `${LITELLM_API_BASE_URL}/v1`
: `${OPENAI_API_BASE_URL}`
: `${OLLAMA_API_BASE_URL}/v1`
);
let responseMessage;
if (messages.at(-1)?.role === 'assistant') {
responseMessage = messages.at(-1);
} else {
responseMessage = {
role: 'assistant',
content: ''
};
messages.push(responseMessage);
messages = messages;
}
await tick();
const textareaElement = document.getElementById(`assistant-${messages.length - 1}-textarea`);
if (res && res.ok) {
const reader = res.body
.pipeThrough(new TextDecoderStream())
.pipeThrough(splitStream('\n'))
.getReader();
while (true) {
const { value, done } = await reader.read();
if (done || stopResponseFlag) {
if (stopResponseFlag) {
await cancelOllamaRequest(localStorage.token, currentRequestId);
}
currentRequestId = null;
break;
}
try {
let lines = value.split('\n');
for (const line of lines) {
if (line !== '') {
console.log(line);
if (line === 'data: [DONE]') {
// responseMessage.done = true;
messages = messages;
} else {
let data = JSON.parse(line.replace(/^data: /, ''));
console.log(data);
if ('request_id' in data) {
currentRequestId = data.request_id;
} else {
if (responseMessage.content == '' && data.choices[0].delta.content == '\n') {
continue;
} else {
textareaElement.style.height = textareaElement.scrollHeight + 'px';
responseMessage.content += data.choices[0].delta.content ?? '';
messages = messages;
textareaElement.style.height = textareaElement.scrollHeight + 'px';
await tick();
}
}
}
}
}
} catch (error) {
console.log(error);
}
scrollToBottom();
}
}
};
const submitHandler = async () => {
if (selectedModelId) {
loading = true;
if (mode === 'complete') {
await textCompletionHandler();
} else if (mode === 'chat') {
await chatCompletionHandler();
}
loading = false;
stopResponseFlag = false;
currentRequestId = null;
}
};
onMount(async () => {
if ($user?.role !== 'admin') {
await goto('/');
}
if ($settings?.models) {
selectedModelId = $settings?.models[0];
} else if ($config?.default_models) {
selectedModelId = $config?.default_models.split(',')[0];
} else {
selectedModelId = '';
}
loaded = true;
});
</script>
<svelte:head>
<title>
{$i18n.t('Playground')} | {$WEBUI_NAME}
</title>
</svelte:head>
<div class="min-h-screen max-h-[100dvh] w-full flex justify-center dark:text-white">
<div class=" flex flex-col justify-between w-full overflow-y-auto h-[100dvh]">
<div class="max-w-2xl mx-auto w-full px-3 md:px-0 my-10 h-full">
<div class=" flex flex-col h-full">
<div class="flex flex-col justify-between mb-2.5 gap-1">
<div class="flex justify-between items-center gap-2">
<div class=" text-2xl font-semibold self-center flex">
{$i18n.t('Playground')}
<span class=" text-xs text-gray-500 self-center ml-1">{$i18n.t('(Beta)')}</span>
</div>
<div>
<button
class=" flex items-center gap-0.5 text-xs px-2.5 py-0.5 rounded-lg {mode ===
'chat' && 'text-sky-600 dark:text-sky-200 bg-sky-200/30'} {mode === 'complete' &&
'text-green-600 dark:text-green-200 bg-green-200/30'} "
on:click={() => {
if (mode === 'complete') {
mode = 'chat';
} else {
mode = 'complete';
}
}}
>
{#if mode === 'complete'}
{$i18n.t('Text Completion')}
{:else if mode === 'chat'}
{$i18n.t('Chat')}
{/if}
<div>
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 16 16"
fill="currentColor"
class="w-3 h-3"
>
<path
fill-rule="evenodd"
d="M5.22 10.22a.75.75 0 0 1 1.06 0L8 11.94l1.72-1.72a.75.75 0 1 1 1.06 1.06l-2.25 2.25a.75.75 0 0 1-1.06 0l-2.25-2.25a.75.75 0 0 1 0-1.06ZM10.78 5.78a.75.75 0 0 1-1.06 0L8 4.06 6.28 5.78a.75.75 0 0 1-1.06-1.06l2.25-2.25a.75.75 0 0 1 1.06 0l2.25 2.25a.75.75 0 0 1 0 1.06Z"
clip-rule="evenodd"
/>
</svg>
</div>
</button>
</div>
</div>
<div class="flex flex-col gap-1 px-1 w-full">
<div class="flex w-full">
<div class="overflow-hidden w-full">
<div class="max-w-full">
<Selector
placeholder={$i18n.t('Select a model')}
items={$models
.filter((model) => model.name !== 'hr')
.map((model) => ({
value: model.id,
label: model.name,
info: model
}))}
bind:value={selectedModelId}
/>
</div>
</div>
</div>
<!-- <button
class=" self-center dark:hover:text-gray-300"
id="open-settings-button"
on:click={async () => {}}
>
<svg
xmlns="http://www.w3.org/2000/svg"
fill="none"
viewBox="0 0 24 24"
stroke-width="1.5"
stroke="currentColor"
class="w-4 h-4"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
d="M10.343 3.94c.09-.542.56-.94 1.11-.94h1.093c.55 0 1.02.398 1.11.94l.149.894c.07.424.384.764.78.93.398.164.855.142 1.205-.108l.737-.527a1.125 1.125 0 011.45.12l.773.774c.39.389.44 1.002.12 1.45l-.527.737c-.25.35-.272.806-.107 1.204.165.397.505.71.93.78l.893.15c.543.09.94.56.94 1.109v1.094c0 .55-.397 1.02-.94 1.11l-.893.149c-.425.07-.765.383-.93.78-.165.398-.143.854.107 1.204l.527.738c.32.447.269 1.06-.12 1.45l-.774.773a1.125 1.125 0 01-1.449.12l-.738-.527c-.35-.25-.806-.272-1.203-.107-.397.165-.71.505-.781.929l-.149.894c-.09.542-.56.94-1.11.94h-1.094c-.55 0-1.019-.398-1.11-.94l-.148-.894c-.071-.424-.384-.764-.781-.93-.398-.164-.854-.142-1.204.108l-.738.527c-.447.32-1.06.269-1.45-.12l-.773-.774a1.125 1.125 0 01-.12-1.45l.527-.737c.25-.35.273-.806.108-1.204-.165-.397-.505-.71-.93-.78l-.894-.15c-.542-.09-.94-.56-.94-1.109v-1.094c0-.55.398-1.02.94-1.11l.894-.149c.424-.07.765-.383.93-.78.165-.398.143-.854-.107-1.204l-.527-.738a1.125 1.125 0 01.12-1.45l.773-.773a1.125 1.125 0 011.45-.12l.737.527c.35.25.807.272 1.204.107.397-.165.71-.505.78-.929l.15-.894z"
/>
<path
stroke-linecap="round"
stroke-linejoin="round"
d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"
/>
</svg>
</button> -->
</div>
</div>
{#if mode === 'chat'}
<div class="p-1">
<div class="p-3 outline outline-1 outline-gray-200 dark:outline-gray-800 rounded-lg">
<div class=" text-sm font-medium">{$i18n.t('System')}</div>
<textarea
id="system-textarea"
class="w-full h-full bg-transparent resize-none outline-none text-sm"
bind:value={system}
placeholder={$i18n.t("You're a helpful assistant.")}
rows="4"
/>
</div>
</div>
{/if}
<div
class=" pb-2.5 flex flex-col justify-between w-full flex-auto overflow-auto h-0"
id="messages-container"
bind:this={messagesContainerElement}
>
<div class=" h-full w-full flex flex-col">
<div class="flex-1 p-1">
{#if mode === 'complete'}
<textarea
id="text-completion-textarea"
bind:this={textCompletionAreaElement}
class="w-full h-full p-3 bg-transparent outline outline-1 outline-gray-200 dark:outline-gray-800 resize-none rounded-lg text-sm"
bind:value={text}
placeholder={$i18n.t("You're a helpful assistant.")}
/>
{:else if mode === 'chat'}
<ChatCompletion bind:messages />
{/if}
</div>
</div>
</div>
<div class="pb-2">
{#if !loading}
<button
class="px-3 py-1.5 text-sm font-medium bg-emerald-600 hover:bg-emerald-700 text-gray-50 transition rounded-lg"
on:click={() => {
submitHandler();
}}
>
{$i18n.t('Submit')}
</button>
{:else}
<button
class="px-3 py-1.5 text-sm font-medium bg-gray-100 hover:bg-gray-200 text-gray-900 transition rounded-lg"
on:click={() => {
stopResponse();
}}
>
{$i18n.t('Cancel')}
</button>
{/if}
</div>
</div>
</div>
</div>
</div>
<style>
.scrollbar-hidden::-webkit-scrollbar {
display: none; /* for Chrome, Safari and Opera */
}
.scrollbar-hidden {
-ms-overflow-style: none; /* IE and Edge */
scrollbar-width: none; /* Firefox */
}
</style>