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actions-user committed Aug 22, 2024
2 parents 34ad216 + 4ec6b06 commit b2e9ee5
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151 changes: 92 additions & 59 deletions app/components/artifacts.tsx
Original file line number Diff line number Diff line change
@@ -1,4 +1,11 @@
import { useEffect, useState, useRef, useMemo } from "react";
import {
useEffect,
useState,
useRef,
useMemo,
forwardRef,
useImperativeHandle,
} from "react";
import { useParams } from "react-router";
import { useWindowSize } from "@/app/utils";
import { IconButton } from "./button";
Expand All @@ -8,80 +15,97 @@ import CopyIcon from "../icons/copy.svg";
import DownloadIcon from "../icons/download.svg";
import GithubIcon from "../icons/github.svg";
import LoadingButtonIcon from "../icons/loading.svg";
import ReloadButtonIcon from "../icons/reload.svg";
import Locale from "../locales";
import { Modal, showToast } from "./ui-lib";
import { copyToClipboard, downloadAs } from "../utils";
import { Path, ApiPath, REPO_URL } from "@/app/constant";
import { Loading } from "./home";
import styles from "./artifacts.module.scss";

export function HTMLPreview(props: {
type HTMLPreviewProps = {
code: string;
autoHeight?: boolean;
height?: number | string;
onLoad?: (title?: string) => void;
}) {
const ref = useRef<HTMLIFrameElement>(null);
const frameId = useRef<string>(nanoid());
const [iframeHeight, setIframeHeight] = useState(600);
const [title, setTitle] = useState("");
/*
* https://stackoverflow.com/questions/19739001/what-is-the-difference-between-srcdoc-and-src-datatext-html-in-an
* 1. using srcdoc
* 2. using src with dataurl:
* easy to share
* length limit (Data URIs cannot be larger than 32,768 characters.)
*/
};

useEffect(() => {
const handleMessage = (e: any) => {
const { id, height, title } = e.data;
setTitle(title);
if (id == frameId.current) {
setIframeHeight(height);
}
};
window.addEventListener("message", handleMessage);
return () => {
window.removeEventListener("message", handleMessage);
};
}, []);
export type HTMLPreviewHander = {
reload: () => void;
};

const height = useMemo(() => {
if (!props.autoHeight) return props.height || 600;
if (typeof props.height === "string") {
return props.height;
}
const parentHeight = props.height || 600;
return iframeHeight + 40 > parentHeight ? parentHeight : iframeHeight + 40;
}, [props.autoHeight, props.height, iframeHeight]);
export const HTMLPreview = forwardRef<HTMLPreviewHander, HTMLPreviewProps>(
function HTMLPreview(props, ref) {
const iframeRef = useRef<HTMLIFrameElement>(null);
const [frameId, setFrameId] = useState<string>(nanoid());
const [iframeHeight, setIframeHeight] = useState(600);
const [title, setTitle] = useState("");
/*
* https://stackoverflow.com/questions/19739001/what-is-the-difference-between-srcdoc-and-src-datatext-html-in-an
* 1. using srcdoc
* 2. using src with dataurl:
* easy to share
* length limit (Data URIs cannot be larger than 32,768 characters.)
*/

const srcDoc = useMemo(() => {
const script = `<script>new ResizeObserver((entries) => parent.postMessage({id: '${frameId.current}', height: entries[0].target.clientHeight}, '*')).observe(document.body)</script>`;
if (props.code.includes("</head>")) {
props.code.replace("</head>", "</head>" + script);
}
return props.code + script;
}, [props.code]);
useEffect(() => {
const handleMessage = (e: any) => {
const { id, height, title } = e.data;
setTitle(title);
if (id == frameId) {
setIframeHeight(height);
}
};
window.addEventListener("message", handleMessage);
return () => {
window.removeEventListener("message", handleMessage);
};
}, [frameId]);

const handleOnLoad = () => {
if (props?.onLoad) {
props.onLoad(title);
}
};
useImperativeHandle(ref, () => ({
reload: () => {
setFrameId(nanoid());
},
}));

return (
<iframe
className={styles["artifacts-iframe"]}
id={frameId.current}
ref={ref}
sandbox="allow-forms allow-modals allow-scripts"
style={{ height }}
srcDoc={srcDoc}
onLoad={handleOnLoad}
/>
);
}
const height = useMemo(() => {
if (!props.autoHeight) return props.height || 600;
if (typeof props.height === "string") {
return props.height;
}
const parentHeight = props.height || 600;
return iframeHeight + 40 > parentHeight
? parentHeight
: iframeHeight + 40;
}, [props.autoHeight, props.height, iframeHeight]);

const srcDoc = useMemo(() => {
const script = `<script>new ResizeObserver((entries) => parent.postMessage({id: '${frameId}', height: entries[0].target.clientHeight}, '*')).observe(document.body)</script>`;
if (props.code.includes("<!DOCTYPE html>")) {
props.code.replace("<!DOCTYPE html>", "<!DOCTYPE html>" + script);
}
return script + props.code;
}, [props.code, frameId]);

const handleOnLoad = () => {
if (props?.onLoad) {
props.onLoad(title);
}
};

return (
<iframe
className={styles["artifacts-iframe"]}
key={frameId}
ref={iframeRef}
sandbox="allow-forms allow-modals allow-scripts"
style={{ height }}
srcDoc={srcDoc}
onLoad={handleOnLoad}
/>
);
},
);

export function ArtifactsShareButton({
getCode,
Expand Down Expand Up @@ -184,6 +208,7 @@ export function Artifacts() {
const [code, setCode] = useState("");
const [loading, setLoading] = useState(true);
const [fileName, setFileName] = useState("");
const previewRef = useRef<HTMLPreviewHander>(null);

useEffect(() => {
if (id) {
Expand All @@ -208,6 +233,13 @@ export function Artifacts() {
<a href={REPO_URL} target="_blank" rel="noopener noreferrer">
<IconButton bordered icon={<GithubIcon />} shadow />
</a>
<IconButton
bordered
style={{ marginLeft: 20 }}
icon={<ReloadButtonIcon />}
shadow
onClick={() => previewRef.current?.reload()}
/>
<div className={styles["artifacts-title"]}>NextChat Artifacts</div>
<ArtifactsShareButton
id={id}
Expand All @@ -220,6 +252,7 @@ export function Artifacts() {
{code && (
<HTMLPreview
code={code}
ref={previewRef}
autoHeight={false}
height={"100%"}
onLoad={(title) => {
Expand Down
44 changes: 27 additions & 17 deletions app/components/markdown.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -8,14 +8,21 @@ import RehypeHighlight from "rehype-highlight";
import { useRef, useState, RefObject, useEffect, useMemo } from "react";
import { copyToClipboard, useWindowSize } from "../utils";
import mermaid from "mermaid";

import Locale from "../locales";
import LoadingIcon from "../icons/three-dots.svg";
import ReloadButtonIcon from "../icons/reload.svg";
import React from "react";
import { useDebouncedCallback } from "use-debounce";
import { showImageModal, FullScreen } from "./ui-lib";
import { ArtifactsShareButton, HTMLPreview } from "./artifacts";
import {
ArtifactsShareButton,
HTMLPreview,
HTMLPreviewHander,
} from "./artifacts";
import { Plugin } from "../constant";
import { useChatStore } from "../store";
import { IconButton } from "./button";

export function Mermaid(props: { code: string }) {
const ref = useRef<HTMLDivElement>(null);
const [hasError, setHasError] = useState(false);
Expand Down Expand Up @@ -64,7 +71,7 @@ export function Mermaid(props: { code: string }) {

export function PreCode(props: { children: any }) {
const ref = useRef<HTMLPreElement>(null);
const refText = ref.current?.innerText;
const previewRef = useRef<HTMLPreviewHander>(null);
const [mermaidCode, setMermaidCode] = useState("");
const [htmlCode, setHtmlCode] = useState("");
const { height } = useWindowSize();
Expand All @@ -79,18 +86,14 @@ export function PreCode(props: { children: any }) {
setMermaidCode((mermaidDom as HTMLElement).innerText);
}
const htmlDom = ref.current.querySelector("code.language-html");
const refText = ref.current.querySelector("code")?.innerText;
if (htmlDom) {
setHtmlCode((htmlDom as HTMLElement).innerText);
} else if (refText?.startsWith("<!DOCTYPE")) {
setHtmlCode(refText);
}
}, 600);

useEffect(() => {
setTimeout(renderArtifacts, 1);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [refText]);

const enableArtifacts = useMemo(
() => plugins?.includes(Plugin.Artifacts),
[plugins],
Expand Down Expand Up @@ -119,6 +122,7 @@ export function PreCode(props: { children: any }) {
codeElement.style.whiteSpace = "pre-wrap";
}
});
setTimeout(renderArtifacts, 1);
}
}, []);

Expand All @@ -145,7 +149,15 @@ export function PreCode(props: { children: any }) {
style={{ position: "absolute", right: 20, top: 10 }}
getCode={() => htmlCode}
/>
<IconButton
style={{ position: "absolute", right: 120, top: 10 }}
bordered
icon={<ReloadButtonIcon />}
shadow
onClick={() => previewRef.current?.reload()}
/>
<HTMLPreview
ref={previewRef}
code={htmlCode}
autoHeight={!document.fullscreenElement}
height={!document.fullscreenElement ? 600 : height}
Expand Down Expand Up @@ -182,16 +194,14 @@ function CustomCode(props: { children: any }) {
}}
>
{props.children}
{showToggle && collapsed && (
<div
className={`show-hide-button ${
collapsed ? "collapsed" : "expanded"
}`}
>
<button onClick={toggleCollapsed}>查看全部</button>
</div>
)}
</code>
{showToggle && collapsed && (
<div
className={`show-hide-button ${collapsed ? "collapsed" : "expanded"}`}
>
<button onClick={toggleCollapsed}>{Locale.NewChat.More}</button>
</div>
)}
</>
);
}
Expand Down
4 changes: 3 additions & 1 deletion app/styles/globals.scss
Original file line number Diff line number Diff line change
Expand Up @@ -304,7 +304,7 @@ pre {
}
}

code{
pre {
.show-hide-button {
border-radius: 10px;
position: absolute;
Expand All @@ -314,7 +314,9 @@ code{
height: fit-content;
display: inline-flex;
justify-content: center;
pointer-events: none;
button{
pointer-events: auto;
margin-top: 3em;
margin-bottom: 4em;
padding: 5px 16px;
Expand Down

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