refac: playground
This commit is contained in:
Timothy J. Baek
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<script lang="ts">
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import { toast } from 'svelte-sonner';
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import { goto } from '$app/navigation';
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import { onMount, tick, getContext } from 'svelte';
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import {
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OLLAMA_API_BASE_URL,
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OPENAI_API_BASE_URL,
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WEBUI_API_BASE_URL,
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WEBUI_BASE_URL
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} from '$lib/constants';
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import { WEBUI_NAME, config, user, models, settings, showSidebar } from '$lib/stores';
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import { generateOpenAIChatCompletion } from '$lib/apis/openai';
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import { splitStream } from '$lib/utils';
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import ChatCompletion from '$lib/components/playground/ChatCompletion.svelte';
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import Selector from '$lib/components/chat/ModelSelector/Selector.svelte';
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const i18n = getContext('i18n');
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let loaded = false;
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let selectedModelId = '';
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let loading = false;
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let stopResponseFlag = false;
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let messagesContainerElement: HTMLDivElement;
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let system = '';
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let messages = [
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{
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role: 'user',
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content: ''
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}
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];
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const scrollToBottom = () => {
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const element = messagesContainerElement;
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if (element) {
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element.scrollTop = element?.scrollHeight;
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}
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};
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const stopResponse = () => {
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stopResponseFlag = true;
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console.log('stopResponse');
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};
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const chatCompletionHandler = async () => {
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const model = $models.find((model) => model.id === selectedModelId);
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const [res, controller] = await generateOpenAIChatCompletion(
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localStorage.token,
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{
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model: model.id,
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stream: true,
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messages: [
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system
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? {
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role: 'system',
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content: system
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}
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: undefined,
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...messages
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].filter((message) => message)
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},
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`${WEBUI_BASE_URL}/api`
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);
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let responseMessage;
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if (messages.at(-1)?.role === 'assistant') {
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responseMessage = messages.at(-1);
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} else {
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responseMessage = {
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role: 'assistant',
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content: ''
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};
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messages.push(responseMessage);
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messages = messages;
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}
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await tick();
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const textareaElement = document.getElementById(`assistant-${messages.length - 1}-textarea`);
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if (res && res.ok) {
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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 || stopResponseFlag) {
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if (stopResponseFlag) {
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controller.abort('User: Stop Response');
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}
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break;
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}
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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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if (line === 'data: [DONE]') {
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// responseMessage.done = true;
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messages = messages;
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} else {
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let data = JSON.parse(line.replace(/^data: /, ''));
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console.log(data);
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if (responseMessage.content == '' && data.choices[0].delta.content == '\n') {
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continue;
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} else {
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textareaElement.style.height = textareaElement.scrollHeight + 'px';
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responseMessage.content += data.choices[0].delta.content ?? '';
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messages = messages;
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textareaElement.style.height = textareaElement.scrollHeight + 'px';
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await tick();
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}
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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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scrollToBottom();
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}
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}
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};
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const submitHandler = async () => {
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if (selectedModelId) {
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loading = true;
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await chatCompletionHandler();
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loading = false;
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stopResponseFlag = false;
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}
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};
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onMount(async () => {
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if ($user?.role !== 'admin') {
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await goto('/');
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}
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if ($settings?.models) {
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selectedModelId = $settings?.models[0];
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} else if ($config?.default_models) {
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selectedModelId = $config?.default_models.split(',')[0];
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} else {
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selectedModelId = '';
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}
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loaded = true;
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});
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</script>
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<div class=" flex flex-col justify-between w-full overflow-y-auto h-full">
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<div class="mx-auto w-full md:px-0 h-full">
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<div class=" flex flex-col h-full">
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<div class="flex flex-col justify-between mb-1 gap-1">
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<div class="flex flex-col gap-1 w-full">
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<div class="flex w-full">
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<div class="overflow-hidden w-full">
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<div class="max-w-full">
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<Selector
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placeholder={$i18n.t('Select a model')}
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items={$models.map((model) => ({
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value: model.id,
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label: model.name,
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model: model
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}))}
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bind:value={selectedModelId}
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/>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="p-1">
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<div class="p-3 outline outline-1 outline-gray-200 dark:outline-gray-800 rounded-lg">
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<div class=" text-sm font-medium">{$i18n.t('System')}</div>
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<textarea
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id="system-textarea"
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class="w-full h-full bg-transparent resize-none outline-none text-sm"
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bind:value={system}
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placeholder={$i18n.t("You're a helpful assistant.")}
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rows="4"
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/>
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</div>
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</div>
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<div
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class=" pb-2.5 flex flex-col justify-between w-full flex-auto overflow-auto h-0"
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id="messages-container"
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bind:this={messagesContainerElement}
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>
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<div class=" h-full w-full flex flex-col">
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<div class="flex-1 p-1">
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<ChatCompletion bind:messages />
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</div>
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</div>
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</div>
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<div class="pb-3 flex justify-end">
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{#if !loading}
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<button
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class="px-3.5 py-1.5 text-sm font-medium bg-black hover:bg-gray-900 text-white dark:bg-white dark:text-black dark:hover:bg-gray-100 transition rounded-full"
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on:click={() => {
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submitHandler();
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}}
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>
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{$i18n.t('Submit')}
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</button>
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{:else}
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<button
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class="px-3 py-1.5 text-sm font-medium bg-gray-300 text-black transition rounded-full"
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on:click={() => {
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stopResponse();
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}}
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>
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{$i18n.t('Cancel')}
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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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</div>
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<style>
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.scrollbar-hidden::-webkit-scrollbar {
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display: none; /* for Chrome, Safari and Opera */
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}
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.scrollbar-hidden {
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-ms-overflow-style: none; /* IE and Edge */
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scrollbar-width: none; /* Firefox */
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}
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</style>
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