Files
DocsGPT/extensions/react-widget/src/components/DocsGPTWidget.tsx
2025-02-18 02:09:13 +05:30

876 lines
25 KiB
TypeScript

"use client";
import React, { useRef } from 'react'
import DOMPurify from 'dompurify';
import styled, { keyframes, css } from 'styled-components';
import { PaperPlaneIcon, RocketIcon, ExclamationTriangleIcon, Cross2Icon } from '@radix-ui/react-icons';
import { FEEDBACK, MESSAGE_TYPE, Query, Status, WidgetCoreProps, WidgetProps } from '../types/index';
import { fetchAnswerStreaming, sendFeedback } from '../requests/streamingApi';
import { ThemeProvider } from 'styled-components';
import Like from "../assets/like.svg"
import Dislike from "../assets/dislike.svg"
import MarkdownIt from 'markdown-it';
const themes = {
dark: {
bg: '#222327',
text: '#fff',
primary: {
text: "#FAFAFA",
bg: '#222327'
},
secondary: {
text: "#A1A1AA",
bg: "#38383b"
}
},
light: {
bg: '#fff',
text: '#000',
primary: {
text: "#222327",
bg: "#fff"
},
secondary: {
text: "#A1A1AA",
bg: "#F6F6F6"
}
}
};
const sizesConfig = {
small: { size: 'small', width: '320px', height: '400px' },
medium: { size: 'medium', width: '400px', height: '80vh' },
large: { size: 'large', width: '666px', height: '75vh' },
getCustom: (custom: { width: string; height: string; maxWidth?: string; maxHeight?: string }) => ({
size: 'custom',
width: custom.width,
height: custom.height,
maxWidth: custom.maxWidth || '968px',
maxHeight: custom.maxHeight || '70vh',
}),
};
const createBox = keyframes`
0% {
transform: scale(0.6);
}
90% {
transform: scale(1.02);
}
100% {
transform: scale(1);
}
`
const closeBox = keyframes`
0% {
transform: scale(1);
}
10% {
transform: scale(1.02);
}
100% {
transform: scale(0.6);
}
`
const openContainer = keyframes`
0% {
width: 200px;
height: 100px;
}
100% {
width: ${(props) => props.theme.dimensions.width};
height: ${(props) => props.theme.dimensions.height};
border-radius: 12px;
}`
const closeContainer = keyframes`
0% {
width: ${(props) => props.theme.dimensions.width};
height: ${(props) => props.theme.dimensions.height};
border-radius: 12px;
}
100% {
width: 200px;
height: 100px;
}
`
const fadeIn = keyframes`
from {
opacity: 0;
width: ${(props) => props.theme.dimensions.width};
height: ${(props) => props.theme.dimensions.height};
transform: scale(0.9);
}
to {
opacity: 1;
transform: scale(1);
width: ${(props) => props.theme.dimensions.width};
height: ${(props) => props.theme.dimensions.height};
}
`
const fadeOut = keyframes`
from {
opacity: 1;
width: ${(props) => props.theme.dimensions.width};
height: ${(props) => props.theme.dimensions.height};
}
to {
opacity: 0;
transform: scale(0.9);
width: ${(props) => props.theme.dimensions.width};
height: ${(props) => props.theme.dimensions.height};
}
`
const scaleAnimation = keyframes`
from {
transform: scale(1.2);
}
to {
transform: scale(1);
}
`
const Overlay = styled.div`
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
z-index: 999;
transition: opacity 0.5s;
`
const WidgetContainer = styled.div<{ modal?: boolean, isOpen?: boolean }>`
all: initial;
position: fixed;
right: ${props => props.modal ? '50%' : '10px'};
bottom: ${props => props.modal ? '50%' : '10px'};
z-index: 1001;
transform-origin:100% 100%;
display: block;
&.modal{
transform : translate(50%,50%);
}
&.open {
animation: css ${createBox} 250ms cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}
&.close {
animation: css ${closeBox} 250ms cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}
align-items: center;
text-align: left;
`;
const StyledContainer = styled.div<{ isOpen: boolean }>`
all: initial;
max-height: ${(props) => props.theme.dimensions.maxHeight};
max-width: ${(props) => props.theme.dimensions.maxWidth};
width: ${(props) => props.theme.dimensions.width};
height: ${(props) => props.theme.dimensions.height} ;
position: relative;
flex-direction: column;
justify-content: space-between;
bottom: 0;
left: 0;
background-color: ${(props) => props.theme.primary.bg};
font-family: sans-serif;
display: flex;
border-radius: 12px;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.1);
padding: 26px 26px 0px 26px;
animation: ${({ isOpen, theme }) =>
theme.dimensions.size === 'large'
? isOpen
? css`${fadeIn} 150ms ease-in forwards`
: css` ${fadeOut} 150ms ease-in forwards`
: isOpen
? css`${openContainer} 150ms ease-in forwards`
: css`${closeContainer} 250ms ease-in forwards`};
@media only screen and (max-width: 768px) {
max-height: 100vh;
max-width: 80vw;
overflow: auto;
}
`;
const FloatingButton = styled.div<{ bgcolor: string, hidden: boolean, isAnimatingButton: boolean }>`
position: fixed;
display: ${props => props.hidden ? "none" : "flex"};
z-index: 500;
justify-content: center;
gap: 8px;
padding: 14px;
align-items: center;
bottom: 16px;
color: white;
font-family: sans-serif;
right: 16px;
font-weight: 500;
border-radius: 9999px;
background: ${props => props.bgcolor};
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
cursor: pointer;
animation: ${props => props.isAnimatingButton ? css`${scaleAnimation} 200ms forwards` : 'none'};
&:hover {
transform: scale(1.1);
transition: transform 0.2s ease-in-out;
}
&:not(:hover) {
transition: transform 0.2s ease-in-out;
}
`;
const CancelButton = styled.button`
cursor: pointer;
position: absolute;
top: 0;
right: 0;
margin: 8px;
width: 30px;
padding: 0;
background-color: transparent;
border: none;
outline: none;
color: inherit;
transition: opacity 0.3s ease;
opacity: 0.6;
&:hover {
opacity: 1;
}
.white-filter {
filter: invert(100%);
}
`;
const Header = styled.div`
display: flex;
align-items: flex-start;
`;
const ContentWrapper = styled.div`
display: flex;
flex-direction: column;
gap:2px;
margin-left: 8px;
`;
const Title = styled.h3`
font-size: 14px;
font-weight: normal;
color: ${props => props.theme.primary.text};
margin: 0;
`;
const Description = styled.p`
font-size: 13.75px;
color: ${props => props.theme.secondary.text};
margin: 0 ;
padding: 0 ;
`;
const Conversation = styled.div`
height: 70%;
border-radius: 6px;
text-align: left;
overflow-y: auto;
scrollbar-width: thin;
scrollbar-color: ${props => props.theme.secondary.bg} transparent; /* thumb color track color */
`;
const Feedback = styled.div`
background-color: transparent;
font-weight: normal;
gap: 12px;
display: flex;
padding: 6px;
clear: both;
`;
const MessageBubble = styled.div<{ type: MESSAGE_TYPE }>`
display: block;
font-size: 16px;
position: relative;
width: 100%;;
float: right;
margin: 0px;
&:hover ${Feedback} * {
visibility: visible ;
}
`;
const Message = styled.div<{ type: MESSAGE_TYPE }>`
background: ${props => props.type === 'QUESTION' ?
'linear-gradient(to bottom right, #8860DB, #6D42C5)' :
props.theme.secondary.bg};
color: ${props => props.type === 'ANSWER' ? props.theme.primary.text : '#fff'};
border: none;
float: ${props => props.type === 'QUESTION' ? 'right' : 'left'};
max-width: ${props => props.type === 'ANSWER' ? '100%' : '80'};
overflow: auto;
margin: 4px;
display: block;
line-height: 1.5;
padding: 12px;
border-radius: 6px;
`;
const Markdown = styled.div`
pre {
padding: 8px;
width: 90%;
font-size: 12px;
border-radius: 6px;
overflow-x: auto;
background-color: #1B1C1F;
color: #fff ;
}
h1 {
font-size: 16px;
}
h2 {
font-size: 14px;
}
h3 {
font-size: 14px;
}
p {
margin: 0px;
}
code:not(pre code) {
border-radius: 6px;
padding: 1px 3px;
font-size: 12px;
display: inline-block;
background-color: #646464;
color: #fff ;
}
code {
white-space: pre-wrap ;
overflow-wrap: break-word;
word-break: break-all;
}
ul{
padding:0px;
list-style-position: inside;
}
`
const ErrorAlert = styled.div`
color: #b91c1c;
border:0.1px solid #b91c1c;
display: flex;
padding:4px;
margin:11.2px;
opacity: 90%;
max-width: 70%;
font-weight: 400;
border-radius: 6px;
justify-content: space-evenly;
`
//dot loading animation
const dotBounce = keyframes`
0%, 80%, 100% {
transform: translateY(0);
}
40% {
transform: translateY(-5px);
}
`;
const DotAnimation = styled.div`
display: inline-block;
animation: ${dotBounce} 1s infinite ease-in-out;
`;
// delay classes as styled components
const Delay = styled(DotAnimation) <{ delay: number }>`
animation-delay: ${props => props.delay + 'ms'};
`;
const PromptContainer = styled.form`
background-color: transparent;
height: ${props => props.theme.dimensions.size == 'large' ? '60px' : '40px'};
display: flex;
justify-content: space-evenly;
`;
const StyledInput = styled.input`
width: 100%;
border: 1px solid #686877;
padding-left: 12px;
background-color: transparent;
font-size: 16px;
border-radius: 6px;
color: ${props => props.theme.text};
outline: none;
`;
const StyledButton = styled.button`
display: flex;
justify-content: center;
align-items: center;
background-image: linear-gradient(to bottom right, #5AF0EC, #E80D9D);
background-color: rgba(0, 0, 0, 0.3);
border-radius: 6px;
min-width: ${props => props.theme.dimensions.size === 'large' ? '60px' : '40px'};
height: ${props => props.theme.dimensions.size === 'large' ? '60px' : '40px'};
margin-left:8px;
padding: 0px;
border: none;
cursor: pointer;
outline: none;
&:hover{
opacity: 90%;
}
&:disabled {
background-image: linear-gradient(to bottom right, #2d938f, #b31877);
}`;
const HeroContainer = styled.div`
position: relative;
width: 90%;
max-width: 500px;
background-image: linear-gradient(to bottom right, #5AF0EC, #ff1bf4);
border-radius: 10px;
margin: 16px auto;
padding: 2px;
`;
const HeroWrapper = styled.div`
display: flex;
flex-direction: column;
justify-content: flex-start;
gap: 8px;
align-items: middle;
background-color: ${props => props.theme.primary.bg};
border-radius: 10px;
font-weight: normal;
padding: 12px;
`
const HeroTitle = styled.h3`
color: ${props => props.theme.text};
font-size: 16px;
margin:0px ;
padding: 0px;
`;
const HeroDescription = styled.p`
color: ${props => props.theme.text};
font-size: 12px;
line-height: 1.5;
margin: 0px;
padding: 0px;
`;
const Hyperlink = styled.a`
color: #9971EC;
text-decoration: none;
`;
const Tagline = styled.div`
text-align: center;
display: block;
color: ${props => props.theme.secondary.text};
padding: 12px ;
font-size: 12px;
`;
const SourcesList = styled.div`
display: flex;
margin:12px 0px;
flex-wrap: wrap;
gap: 8px;
`;
const SourceLink = styled.a`
color: ${props => props.theme.primary.text};
text-decoration: none;
background: ${props => props.theme.secondary.bg};
padding: 4px 12px;
border-radius: 85px;
font-size: 14px;
transition: opacity 0.2s ease;
display: inline-block;
text-align: center;
max-width: 25%;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
line-height: 1.5;
&:hover {
opacity: 0.8;
}
`;
const ExtraButton = styled.button`
color: #9971EC;
background: transparent;
border-radius: 85px;
padding: 4px 12px;
font-size: 14px;
border: none;
cursor: pointer;
transition: opacity 0.2s ease;
text-align: center;
height:auto;
&:hover {
opacity: 0.8;
}
`;
const SourcesComponent = ({ sources }: { sources: Array<{ source: string; title: string }> }) => {
const [showAll, setShowAll] = React.useState(false);
const visibleSources = showAll ? sources : sources.slice(0, 3);
const extraCount = sources.length - 3;
return (
<SourcesList>
{visibleSources.map((source, idx) => (
<SourceLink
key={idx}
href={source.source}
target="_blank"
rel="noopener noreferrer"
title={source.title}
>
{source.title}
</SourceLink>
))}
{sources.length > 3 && (
<ExtraButton onClick={() => setShowAll(!showAll)}>
{showAll ? "Show less" : `+ ${extraCount} more`}
</ExtraButton>
)}
</SourcesList>
);
};
const Hero = ({ title, description, theme }: { title: string, description: string, theme: string }) => {
return (
<HeroContainer>
<HeroWrapper>
<RocketIcon color={theme === 'light' ? 'black' : 'white'} width={24} height={24} />
<HeroTitle>{title}</HeroTitle>
<HeroDescription>{description}</HeroDescription>
</HeroWrapper>
</HeroContainer>
);
};
export const DocsGPTWidget = (props: WidgetProps) => {
const {
buttonIcon = 'https://d3dg1063dc54p9.cloudfront.net/widget/chat.svg',
buttonText = 'Ask a question',
buttonBg = 'linear-gradient(to bottom right, #5AF0EC, #E80D9D)',
defaultOpen = false,
...coreProps
} = props
const [open, setOpen] = React.useState<boolean>(defaultOpen);
const [isAnimatingButton, setIsAnimatingButton] = React.useState(false);
const [isFloatingButtonVisible, setIsFloatingButtonVisible] = React.useState(true);
React.useEffect(() => {
if (isFloatingButtonVisible)
setTimeout(() => setIsAnimatingButton(true), 250);
return () => {
setIsAnimatingButton(false)
}
}, [isFloatingButtonVisible])
const handleClose = () => {
setIsFloatingButtonVisible(true);
setOpen(false);
};
const handleOpen = () => {
setOpen(true);
setIsFloatingButtonVisible(false);
}
return (
<>
<FloatingButton bgcolor={buttonBg} onClick={handleOpen} hidden={!isFloatingButtonVisible} isAnimatingButton={isAnimatingButton}>
<img width={24} src={buttonIcon} />
<span>{buttonText}</span>
</FloatingButton>
<WidgetCore isOpen={open} handleClose={handleClose} {...coreProps} />
</>
)
}
export const WidgetCore = ({
apiHost = 'https://gptcloud.arc53.com',
apiKey = "74039c6d-bff7-44ce-ae55-2973cbf13837",
//apiKey = '82962c9a-aa77-4152-94e5-a4f84fd44c6a',
avatar = 'https://d3dg1063dc54p9.cloudfront.net/cute-docsgpt.png',
title = 'Get AI assistance',
description = 'DocsGPT\'s AI Chatbot is here to help',
heroTitle = 'Welcome to DocsGPT !',
heroDescription = 'This chatbot is built with DocsGPT and utilises GenAI, please review important information using sources.',
size = 'small',
theme = 'dark',
collectFeedback = true,
isOpen = false,
showSources = true,
handleClose,
prefilledQuery = ''
}: WidgetCoreProps) => {
const [prompt, setPrompt] = React.useState<string>("");
const [mounted, setMounted] = React.useState(false);
const [status, setStatus] = React.useState<Status>('idle');
const [queries, setQueries] = React.useState<Query[]>([]);
const [conversationId, setConversationId] = React.useState<string | null>(null);
const [eventInterrupt, setEventInterrupt] = React.useState<boolean>(false); //click or scroll by user while autoScrolling
const isBubbleHovered = useRef<boolean>(false);
const endMessageRef = React.useRef<HTMLDivElement | null>(null);
const md = new MarkdownIt();
React.useEffect(() => {
if (isOpen) {
setMounted(true); // Mount the component
appendQuery(prefilledQuery)
} else {
// Wait for animations before unmounting
const timeout = setTimeout(() => {
setMounted(false)
}, 250);
return () => clearTimeout(timeout);
}
}, [isOpen]);
const handleUserInterrupt = () => {
(status === 'loading') && setEventInterrupt(true);
}
const scrollToBottom = (element: Element | null) => {
//recursive function to scroll to the last child of the last child ...
// to get to the bottom most element
if (!element) return;
if (element?.children.length === 0) {
element?.scrollIntoView({
behavior: 'smooth',
block: 'start',
});
}
const lastChild = element?.children?.[element.children.length - 1]
lastChild && scrollToBottom(lastChild)
};
React.useEffect(() => {
!eventInterrupt && scrollToBottom(endMessageRef.current);
}, [queries.length, queries[queries.length - 1]?.response]);
async function handleFeedback(feedback: FEEDBACK, index: number) {
let query = queries[index]
if (!query.response)
return;
if (query.feedback != feedback) {
sendFeedback({
question: query.prompt,
answer: query.response,
feedback: feedback,
apikey: apiKey
}, apiHost)
.then(res => {
if (res.status == 200) {
query.feedback = feedback;
setQueries((prev: Query[]) => {
return prev.map((q, i) => (i === index ? query : q));
});
}
})
.catch(err => console.log("Connection failed", err))
}
else {
delete query.feedback;
setQueries((prev: Query[]) => {
return prev.map((q, i) => (i === index ? query : q));
});
}
}
async function stream(question: string) {
setStatus('loading')
try {
await fetchAnswerStreaming(
{
question: question,
apiKey: apiKey,
apiHost: apiHost,
history: queries,
conversationId: conversationId,
onEvent: (event: MessageEvent) => {
const data = JSON.parse(event.data);
// check if the 'end' event has been received
if (data.type === 'end') {
setStatus('idle');
}
else if (data.type === 'id') {
setConversationId(data.id)
}
else if (data.type === 'error') {
const updatedQueries = [...queries];
updatedQueries[updatedQueries.length - 1].error = data.error;
setQueries(updatedQueries);
setStatus('idle')
}
else if (data.type === 'source' && showSources) {
const updatedQueries = [...queries];
updatedQueries[updatedQueries.length - 1].sources = data.source;
setQueries(updatedQueries);
}
else {
const result = data.answer ? data.answer : ''; //Fallback to an empty string if data.answer is undefined
const streamingResponse = queries[queries.length - 1].response ? queries[queries.length - 1].response : '';
const updatedQueries = [...queries];
updatedQueries[updatedQueries.length - 1].response = streamingResponse + result;
setQueries(updatedQueries);
}
}
}
);
} catch (error) {
const updatedQueries = [...queries];
updatedQueries[updatedQueries.length - 1].error = 'Something went wrong !'
setQueries(updatedQueries);
setStatus('idle')
//setEventInterrupt(false)
}
}
// submit handler
const handleSubmit = async (e: React.FormEvent<HTMLFormElement>) => {
e.preventDefault();
await appendQuery(prompt)
}
const appendQuery = async (userQuery: string) => {
if (!userQuery)
return;
setEventInterrupt(false);
queries.push({ prompt: userQuery });
setPrompt('');
await stream(userQuery);
}
const handleImageError = (event: React.SyntheticEvent<HTMLImageElement, Event>) => {
event.currentTarget.src = "https://d3dg1063dc54p9.cloudfront.net/cute-docsgpt.png";
};
const dimensions =
typeof size === 'object' && 'custom' in size
? sizesConfig.getCustom(size.custom)
: sizesConfig[size];
if (!mounted) return null;
return (
<ThemeProvider theme={{ ...themes[theme], dimensions }}>
{isOpen && size === 'large' &&
<Overlay onClick={handleClose} />
}
{(
<WidgetContainer className={`${size !== 'large' ? (isOpen ? "open" : "close") : "modal"}`} modal={size === 'large'}>
<StyledContainer isOpen={isOpen}>
<div>
<CancelButton onClick={handleClose}>
<Cross2Icon width={24} height={24} color={theme === 'light' ? 'black' : 'white'} />
</CancelButton>
<Header>
<img style={{ transform: 'translateY(-5px)', maxWidth: "42px", maxHeight: "42px" }} onError={handleImageError} src={avatar} alt='docs-gpt' />
<ContentWrapper>
<Title>{title}</Title>
<Description>{description}</Description>
</ContentWrapper>
</Header>
</div>
<Conversation onWheel={handleUserInterrupt} onTouchMove={handleUserInterrupt}>
{
queries.length > 0 ? queries?.map((query, index) => {
return (
<React.Fragment key={index}>
{
query.prompt &&
<MessageBubble type='QUESTION'>
<Message
type='QUESTION'
ref={(!(query.response || query.error) && index === queries.length - 1) ? endMessageRef : null}>
{query.prompt}
</Message>
</MessageBubble>
}
{
query.response ? <MessageBubble onMouseOver={() => { isBubbleHovered.current = true }} type='ANSWER'>
{showSources && query.sources && query.sources.length > 0 && query.sources.some(source => source.source !== 'local') && (
<SourcesComponent sources={query.sources.filter(source => source.source !== 'local')} />
)}
<Message
type='ANSWER'
ref={(index === queries.length - 1) ? endMessageRef : null}
>
<Markdown
dangerouslySetInnerHTML={{ __html: DOMPurify.sanitize(md.render(query.response)) }}
/>
</Message>
{collectFeedback &&
<Feedback>
<Like
style={{
stroke: query.feedback == 'LIKE' ? '#8860DB' : '#c0c0c0',
visibility: query.feedback == 'LIKE' ? 'visible' : 'hidden'
}}
fill='none'
onClick={() => handleFeedback("LIKE", index)} />
<Dislike
style={{
stroke: query.feedback == 'DISLIKE' ? '#ed8085' : '#c0c0c0',
visibility: query.feedback == 'DISLIKE' ? 'visible' : 'hidden'
}}
fill='none'
onClick={() => handleFeedback("DISLIKE", index)} />
</Feedback>}
</MessageBubble>
: <div>
{
query.error ? <ErrorAlert>
<ExclamationTriangleIcon width={22} height={22} color='#b91c1c' />
<div>
<h5 style={{ margin: 2 }}>Network Error</h5>
<span style={{ margin: 2, fontSize: '13px' }}>{query.error}</span>
</div>
</ErrorAlert>
: <MessageBubble type='ANSWER'>
<Message type='ANSWER' style={{ fontWeight: 600 }}>
<DotAnimation>.</DotAnimation>
<Delay delay={200}>.</Delay>
<Delay delay={400}>.</Delay>
</Message>
</MessageBubble>
}
</div>
}
</React.Fragment>)
})
: <Hero title={heroTitle} description={heroDescription} theme={theme} />
}
</Conversation>
<div>
<PromptContainer
onSubmit={handleSubmit}>
<StyledInput
autoFocus
value={prompt} onChange={(event) => setPrompt(event.target.value)}
type='text' placeholder="Ask your question" />
<StyledButton
disabled={prompt.trim().length == 0 || status !== 'idle'}>
<PaperPlaneIcon width={18} height={18} color='white' />
</StyledButton>
</PromptContainer>
<Tagline>
Powered by&nbsp;
<Hyperlink target='_blank' href='https://www.docsgpt.cloud/'>DocsGPT</Hyperlink>
</Tagline>
</div>
</StyledContainer>
</WidgetContainer>
)
}
</ThemeProvider>
)
}