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@paperlinkai/chat

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PaperLink AI Chat Widget - Easy integration for any website

1 lines • 75.4 kB

JavaScript

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hasClass(e,t){return e.classList.contains(t)}static addEventListener(e,t,n,o){return e.addEventListener(t,n,o),()=>e.removeEventListener(t,n,o)}static getComputedStyle(e,t){return window.getComputedStyle(e).getPropertyValue(t)}static isMobileDevice(){return/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)}static getViewportDimensions(){return{width:Math.max(document.documentElement.clientWidth||0,window.innerWidth||0),height:Math.max(document.documentElement.clientHeight||0,window.innerHeight||0)}}}class ke extends y{render(){const{config:e,message:t="Loading chat history..."}=this.props;return O("div",{className:"loading-indicator",style:{display:"flex",alignItems:"center",justifyContent:"center",padding:"32px",flex:"1"},children:[O("div",{style:{display:"flex",alignItems:"center",gap:"8px",color:`${e.theme.textColor}80`,fontSize:"14px"},children:[O("div",{style:{width:"16px",height:"16px",border:`2px solid ${e.theme.textColor}20`,borderTop:`2px solid ${e.theme.textColor}80`,borderRadius:"50%",animation:"spin 1s linear infinite"}}),O("span",{children:t})]}),O("style",{children:"\n @keyframes spin {\n 0% { transform: rotate(0deg); }\n 100% { transform: rotate(360deg); }\n }\n "})]})}}class Se extends y{constructor(e){super(e),this.state={showSources:!1},this.handleToggleSources=this.handleToggleSources.bind(this)}formatMessageContent(e){return e.replace(/\*\*(.*?)\*\*/g,"<strong>$1</strong>").replace(/\*(.*?)\*/g,"<em>$1</em>").replace(/`(.*?)`/g,"<code>$1</code>").replace(/\n/g,"<br>")}handleToggleSources(){this.setState(e=>({showSources:!e.showSources}))}renderSources(){const{message:e}=this.props,{showSources:t}=this.state;return e.sources&&0!==e.sources.length?O("div",{className:"message-sources",children:[O("button",{className:"sources-toggle",onClick:this.handleToggleSources,type:"button",children:[O("span",{className:"material-icons toggle-icon "+(t?"expanded":""),children:"chevron_right"}),e.sources.length," source",e.sources.length>1?"s":""]}),t&&O("div",{className:"sources-list",children:e.sources.map((e,t)=>O("div",{className:"source-item",children:[O("a",{href:e.url,target:"_blank",rel:"noopener noreferrer",className:"source-link",children:e.title}),O("div",{className:"source-snippet",children:e.snippet})]},t))})]}):null}render(){var e;const{message:t}=this.props,n="USER"===t.role.toUpperCase();return O("div",{className:"message "+(n?"user":"bot"),children:[!n&&O("div",{className:"bot-avatar",children:O(be,{type:"bot",customUrl:null==(e=this.props.config.customIcons)?void 0:e.bot,className:"bot-icon"})}),O("div",{className:"message-content",children:[O("p",{dangerouslySetInnerHTML:{__html:this.formatMessageContent(t.content)}}),this.renderSources()]})]})}}class Ce extends y{render(){var e;const{config:t}=this.props;return O("div",{className:"typing-indicator",children:[O("div",{className:"bot-avatar",children:O(be,{type:"bot",customUrl:null==(e=t.customIcons)?void 0:e.bot,className:"bot-icon"})}),O("div",{className:"typing-dots",children:[O("div",{className:"typing-dot"}),O("div",{className:"typing-dot"}),O("div",{className:"typing-dot"})]})]})}}class Ie extends y{constructor(e){super(e),__publicField(this,"listRef",{current:null}),__publicField(this,"scrollThreshold"),__publicField(this,"autoScrollDebounced"),this.scrollThreshold=e.config.features.scrollToBottomThreshold||100,this.state={shouldAutoScroll:!0,showScrollButton:!1},this.handleScroll=this.handleScroll.bind(this),this.scrollToBottom=this.scrollToBottom.bind(this),this.autoScrollDebounced=ve.debounce(this.scrollToBottom,100)}componentDidMount(){W.debug("MessageList mounted"),this.scrollToBottom(!1),this.listRef.current&&this.listRef.current.addEventListener("scroll",this.handleScroll,{passive:!0})}componentDidUpdate(e){const{session:t}=this.props;t.messages.length>e.session.messages.length&&this.state.shouldAutoScroll&&setTimeout(()=>this.autoScrollDebounced(),50)}componentWillUnmount(){this.listRef.current&&this.listRef.current.removeEventListener("scroll",this.handleScroll)}handleScroll(){const e=this.listRef.current;if(!e)return;const{scrollTop:t,scrollHeight:n,clientHeight:o}=e,i=n-t-o<=this.scrollThreshold,s=i,r=!i&&this.props.config.features.scrollToBottom;s===this.state.shouldAutoScroll&&r===this.state.showScrollButton||this.setState({shouldAutoScroll:s,showScrollButton:r})}scrollToBottom(e=!0){const t=this.listRef.current;if(t)try{t.scrollTo({top:t.scrollHeight,behavior:e?"smooth":"auto"})}catch(n){t.scrollTop=t.scrollHeight}}renderWelcomeMessage(){var e;if(this.props.session.messages.length>0||this.props.isInitialLoading)return null;const{config:t}=this.props;return O("div",{className:"message",children:[O("div",{className:"bot-avatar",children:O(be,{type:"bot",customUrl:null==(e=t.customIcons)?void 0:e.bot,className:"bot-icon"})}),O("div",{className:"message-content",children:O("p",{children:t.greeting})})]})}renderScrollToBottomButton(){var e;return this.state.showScrollButton?O("button",{onClick:()=>this.scrollToBottom(!0),title:"abc","aria-label":"Scroll to bottom",type:"button",style:"\n position: sticky;\n bottom: 16px;\n left: calc(100% - 32px);\n width: 40px;\n height: 40px;\n padding: 20px;\n box-sizing: border-box;\n border: none;\n border-radius: 50%;\n background: #ffffff00;\n backdrop-filter: blur(6px);\n display: flex;\n align-items: center;\n justify-content: center;\n cursor: pointer;\n color: #333333;\n box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.08);\n transition: background-color 0.2s ease, transform 0.15s ease;\n z-index: 10;\n ",children:O(be,{type:"scrollDown",customUrl:null==(e=this.props.config.customIcons)?void 0:e.scrollDown,className:"scroll-down-icon"})}):null}render(){const{config:e,session:t,isInitialLoading:n}=this.props;return O("div",{className:"messages-container",ref:this.listRef,children:[n?O(ke,{config:e,message:"Loading chat history..."}):O(b,{children:[this.renderWelcomeMessage(),t.messages.map((n,o)=>O(Se,{message:n,config:e,isLastMessage:o===t.messages.length-1},n.id)),t.isLoading&&e.features.typing&&O(Ce,{config:e})]}),this.renderScrollToBottomButton()]})}}class Me extends y{constructor(e){super(e),__publicField(this,"windowRef",{current:null}),this.state={isClosing:!1}}getPositionClass(){switch(this.props.config.position){case"bottom-left":return"position-bottom-left";case"top-right":return"position-top-right";case"top-left":return"position-top-left";default:return""}}render(){const{config:e,session:t,isInitialLoading:n,onSendMessage:o,onMinimize:i,onClose:s}=this.props,{isClosing:r}=this.state,a=`chat-window ${this.getPositionClass()} ${r?"closing":""}`;return O("div",{ref:this.windowRef,className:a,children:[O(we,{config:e,onMinimize:i,onClose:s}),O(Ie,{config:e,session:t,isInitialLoading:n}),O(xe,{config:e,isLoading:t.isLoading,onSendMessage:o})]})}}class ze extends y{constructor(e){super(e),this.state={isHovered:!1},this.handleMouseEnter=this.handleMouseEnter.bind(this),this.handleMouseLeave=this.handleMouseLeave.bind(this),this.handleRetryClick=this.handleRetryClick.bind(this)}handleMouseEnter(){this.setState({isHovered:!0})}handleMouseLeave(){this.setState({isHovered:!1})}handleRetryClick(){this.props.isRetrying||this.props.onRetry()}render(){const{config:e,error:t,isRetrying:n=!1}=this.props,{isHovered:o}=this.state,i={backgroundColor:n?"#d1d5db":o?"#dc2626":"#ef4444",color:"#ffffff",border:"none",borderRadius:"6px",padding:"6px 12px",fontSize:"12px",fontWeight:"500",cursor:n?"not-allowed":"pointer",transition:"all 0.2s ease",display:"flex",alignItems:"center",gap:"4px"};return O("div",{className:"error-message",style:{padding:"16px 20px",margin:"12px 16px",backgroundColor:"#fef2f2",border:"1px solid #fecaca",borderRadius:"8px",display:"flex",alignItems:"center",gap:"12px",fontFamily:"inherit"},children:[O("svg",{style:{width:"20px",height:"20px",flexShrink:"0",color:"#dc2626"},fill:"currentColor",viewBox:"0 0 20 20",children:O("path",{fillRule:"evenodd",d:"M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7 4a1 1 0 11-2 0 1 1 0 012 0zm-1-9a1 1 0 00-1 1v4a1 1 0 102 0V6a1 1 0 00-1-1z",clipRule:"evenodd"})}),O("div",{style:{flex:"1",display:"flex",flexDirection:"column",gap:"8px"},children:[O("p",{style:{color:"#991b1b",fontSize:"14px",lineHeight:"1.4",margin:"0"},children:t||"Something went wrong. Please try again."}),O("button",{style:i,onClick:this.handleRetryClick,onMouseEnter:this.handleMouseEnter,onMouseLeave:this.handleMouseLeave,disabled:n,title:n?"Retrying...":"Try again","aria-label":n?"Retrying...":"Try again",children:O(b,n?{children:[O("svg",{width:"12",height:"12",viewBox:"0 0 24 24",fill:"currentColor",children:O("path",{d:"M12,4V2C6.48,2 2,6.48 2,12s4.48,10 10,10s10-4.48 10-10c0-1.57-0.36-3.05-1.01-4.37l-1.45,1.45C19.83,10.15 20,11.05 20,12c0,4.41-3.59,8-8,8s-8-3.59-8-8s3.59-8 8-8V6l4-2L12,4z"})}),"Retrying..."]}:{children:[O("svg",{width:"12",height:"12",viewBox:"0 0 24 24",fill:"currentColor",children:O("path",{d:"M17.65,6.35C16.2,4.9 14.21,4 12,4c-4.42,0 -7.99,3.58 -7.99,8s3.57,8 7.99,8c3.73,0 6.84,-2.55 7.73,-6h-2.08c-0.82,2.33 -3.04,4 -5.65,4 -3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6c1.66,0 3.14,0.69 4.22,1.78L13,11h7V4L17.65,6.35z"})}),"Try Again"]})})]}),O("style",{children:`\n @keyframes spin {\n from { transform: rotate(0deg); }\n to { transform: rotate(360deg); }\n }\n \n .error-message button:disabled svg:first-child {\n animation: spin 1s linear infinite;\n }\n \n .error-message button:focus-visible {\n outline: 2px solid ${e.theme.primaryColor}66;\n outline-offset: 2px;\n }\n `})]})}}class Ee extends y{constructor(e){super(e),__publicField(this,"apiClient"),this.apiClient=new A(e.config),this.state={isOpen:e.config.autoOpen||!1,isLoading:!1,session:{sessionId:"",messages:[],isLoading:!1,error:null},error:null,isMinimized:!1,hasNewMessage:!1,isRetrying:!1,lastFailedMessage:void 0},this.handleToggleWidget=this.handleToggleWidget.bind(this),this.handleSendMessage=this.handleSendMessage.bind(this),this.handleMinimize=this.handleMinimize.bind(this),this.handleClose=this.handleClose.bind(this),this.handleRetryLastMessage=this.handleRetryLastMessage.bind(this)}componentDidMount(){return __async(this,null,function*(){W.info("Widget mounted",{config:this.props.config}),document.addEventListener("paperlink-widget-open",()=>this.openWidget()),document.addEventListener("paperlink-widget-close",()=>this.closeWidget()),document.addEventListener("paperlink-widget-toggle",()=>this.toggleWidget()),window.addEventListener("beforeunload",()=>this.handleBeforeUnload()),yield this.initializeSession(),this.sendAnalytics("widget_opened")})}componentWillUnmount(){W.info("Widget unmounting"),document.removeEventListener("paperlink-widget-open",()=>this.openWidget()),document.removeEventListener("paperlink-widget-close",()=>this.closeWidget()),document.removeEventListener("paperlink-widget-toggle",()=>this.toggleWidget()),window.removeEventListener("beforeunload",()=>this.handleBeforeUnload()),this.sendAnalytics("widget_closed")}initializeSession(){return __async(this,null,function*(){try{this.setState({isLoading:!0,error:null});const e=j.get("sessionId"),t=j.get("messages")||[];if(e&&t.length>0)return W.info("Restoring session from storage",{sessionId:e}),void this.setState({session:{sessionId:e,messages:t,isLoading:!1,error:null},isLoading:!1});W.info("Ready for new session - will be created with first message"),this.setState({session:{sessionId:"",messages:[],isLoading:!1,error:null},isLoading:!1})}catch(e){W.error("Failed to initialize session",{error:e}),this.setState({session:{sessionId:"",messages:[],isLoading:!1,error:"Failed to initialize chat session. Please try again."},isLoading:!1,error:"Session initialization failed"})}})}handleSendMessage(e){return __async(this,null,function*(){if(!e.trim())return;const t={id:`user-${Date.now()}`,role:"USER",content:e,timestamp:(new Date).toISOString(),sources:null};this.setState(e=>({session:__spreadProps(__spreadValues({},e.session),{messages:[...e.session.messages,t],isLoading:!0,error:null}),error:null,lastFailedMessage:void 0}));try{const t=yield this.apiClient.sendMessage(this.state.session.sessionId||null,e);this.setState(e=>({session:__spreadProps(__spreadValues({},e.session),{sessionId:t.sessionId,messages:[...e.session.messages,t.assistantMessage],isLoading:!1})})),j.set("sessionId",t.sessionId),this.saveMessagesToStorage([...this.state.session.messages,t.assistantMessage]),this.sendAnalytics("message_sent",{messageLength:e.length,hasFollowups:t.followupQuestions.length>0}),this.state.isOpen||this.setState({hasNewMessage:!0})}catch(n){W.error("Failed to send message",{error:n});const t=n instanceof Error?n.message:"Failed to send message";this.setState(n=>({session:__spreadProps(__spreadValues({},n.session),{messages:n.session.messages.slice(0,-1),isLoading:!1,error:null}),error:t,lastFailedMessage:e,isRetrying:!1})),this.sendAnalytics("message_error",{errorType:n instanceof Error?n.name:"Unknown",errorMessage:t})}})}handleRetryLastMessage(){return __async(this,null,function*(){if(this.state.lastFailedMessage&&!this.state.isRetrying){this.setState({isRetrying:!0,error:null});try{yield this.handleSendMessage(this.state.lastFailedMessage),this.setState({lastFailedMessage:void 0,isRetrying:!1})}catch(e){this.setState({isRetrying:!1})}}})}saveMessagesToStorage(e){j.set("messages",e.slice(-this.props.config.maxMessages))}handleToggleWidget(){this.setState(e=>({isOpen:!e.isOpen,hasNewMessage:!1}))}handleMinimize(){this.setState({isMinimized:!0})}handleClose(){this.setState({isOpen:!1,isMinimized:!1,hasNewMessage:!1})}openWidget(){this.setState({isOpen:!0,isMinimized:!1,hasNewMessage:!1})}closeWidget(){this.setState({isOpen:!1,isMinimized:!1})}toggleWidget(){this.handleToggleWidget()}handleBeforeUnload(){this.state.session.messages.length>0&&this.saveMessagesToStorage(this.state.session.messages)}sendAnalytics(e,t){W.debug("Analytics event",{event:e,metadata:t})}render(){const{config:e}=this.props,{isOpen:t,isLoading:n,session:o,error:i,isMinimized:s,hasNewMessage:r,isRetrying:a}=this.state;return W.info("Widget render",{isOpen:t,isLoading:n,isMinimized:s,hasNewMessage:r,sessionId:o.sessionId,error:!!i}),n&&!o.sessionId?O("div",{className:"widget-loading",children:O("div",{className:"loading-spinner"})}):i&&!o.sessionId?O("div",{className:"widget-error",children:O(ze,{config:e,error:"Unable to load chat widget. Please check your connection and try again.",onRetry:()=>this.initializeSession(),isRetrying:n})}):O("div",{className:"paperlink-widget",children:[t&&!s&&O(Me,{config:e,session:o,isInitialLoading:n&&!o.sessionId,onSendMessage:this.handleSendMessage,onMinimize:this.handleMinimize,onClose:this.handleClose}),t&&!s&&i&&O("div",{style:{position:"fixed",bottom:"80px",right:"20px",zIndex:"999997",maxWidth:"380px"},children:O(ze,{config:e,error:i,onRetry:this.handleRetryLastMessage,isRetrying:a})}),O(ye,{config:e,isOpen:t,hasNewMessage:r,onClick:this.handleToggleWidget})]})}}const Te={apiKey:"",apiUrl:"https://api.paperlinkAI.com/widget",title:"AI Assistant",greeting:"Hi! How can I help you today?",placeholder:"Type your message...",position:"bottom-right",width:384,height:600,theme:{primaryColor:"#2563eb",primaryHoverColor:"#1d4ed8",lightPrimaryColor:"#dbeafe",backgroundColor:"#ffffff",headerB