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Commit ab6346ea authored by Timothy J. Baek's avatar Timothy J. Baek
Browse files

refac: markdown rendering 


Co-Authored-By: default avatarJun Siang Cheah <me@jscheah.me>
parent 6e6f9862
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Showing with 173 additions and 107 deletions
src/lib/components/chat/Messages/MarkdownInlineTokens.svelte 0 → 100644
View file @ ab6346ea
<script lang="ts">
import type { Token } from 'marked';
import { unescapeHtml } from '$lib/utils';
import { onMount } from 'svelte';
import { revertSanitizedResponseContent } from '$lib/utils/index.js';
import Image from '$lib/components/common/Image.svelte';
export let id: string;
export let tokens: Token[];
onMount(() => {
console.log('MarkdownInlineTokens', id, tokens, top);
});
</script>
{#each tokens as token}
{#if token.type === 'escape'}
{unescapeHtml(token.text)}
{:else if token.type === 'html'}
{@html token.text}
{:else if token.type === 'link'}
<a href={token.href} target="_blank" rel="nofollow" title={token.title}>{token.text}</a>
{:else if token.type === 'image'}
<Image src={token.href} alt={token.text} />
{:else if token.type === 'strong'}
<strong>
<svelte:self id={`${id}-strong`} tokens={token.tokens} />
</strong>
{:else if token.type === 'em'}
<em>
<svelte:self id={`${id}-em`} tokens={token.tokens} />
</em>
{:else if token.type === 'codespan'}
<code>{unescapeHtml(token.text.replaceAll('&amp;', '&'))}</code>
{:else if token.type === 'br'}
<br />
{:else if token.type === 'del'}
<del>
<svelte:self id={`${id}-del`} tokens={token.tokens} />
</del>
{:else if token.type === 'text'}
{unescapeHtml(token.text)}
{/if}
{/each}
src/lib/components/chat/Messages/MarkdownTokens.svelte 0 → 100644
View file @ ab6346ea
<script lang="ts">
import type { Token } from 'marked';
import { revertSanitizedResponseContent, unescapeHtml } from '$lib/utils';
import CodeBlock from '$lib/components/chat/Messages/CodeBlock.svelte';
import { onMount } from 'svelte';
import MarkdownInlineTokens from '$lib/components/chat/Messages/MarkdownInlineTokens.svelte';
export let id: string;
export let tokens: Token[];
export let top = true;
const headerComponent = (depth: number) => {
return 'h' + depth;
};
onMount(() => {
console.log('MarkdownTokens', id, tokens, top);
});
</script>
{#each tokens as token, tokenIdx}
{#if token.type === 'hr'}
<hr />
{:else if token.type === 'heading'}
<svelte:element this={headerComponent(token.depth)}>
<MarkdownInlineTokens id={`${id}-${tokenIdx}-h`} tokens={token.tokens} />
</svelte:element>
{:else if token.type === 'code'}
<CodeBlock
{id}
lang={token?.lang ?? ''}
code={revertSanitizedResponseContent(token?.text ?? '')}
/>
{:else if token.type === 'table'}
<table>
<thead>
<tr>
{#each token.header as header, headerIdx}
<th style={token.align[headerIdx] ? '' : `text-align: ${token.align[headerIdx]}`}>
<MarkdownInlineTokens
id={`${id}-${tokenIdx}-header-${headerIdx}`}
tokens={header.tokens}
/>
</th>
{/each}
</tr>
</thead>
<tbody>
{#each token.rows as row, rowIdx}
<tr>
{#each row ?? [] as cell, cellIdx}
<td style={token.align[cellIdx] ? '' : `text-align: ${token.align[cellIdx]}`}>
<MarkdownInlineTokens
id={`${id}-${tokenIdx}-row-${rowIdx}-${cellIdx}`}
tokens={cell.tokens}
/>
</td>
{/each}
</tr>
{/each}
</tbody>
</table>
{:else if token.type === 'blockquote'}
<blockquote>
<svelte:self id={`${id}-${tokenIdx}`} tokens={token.tokens} />
</blockquote>
{:else if token.type === 'list'}
{#if token.ordered}
<ol start={token.start || 1}>
{#each token.items as item, itemIdx}
<li>
<svelte:self
id={`${id}-${tokenIdx}-${itemIdx}`}
tokens={item.tokens}
top={token.loose}
/>
</li>
{/each}
</ol>
{:else}
<ul>
{#each token.items as item, itemIdx}
<li>
<svelte:self
id={`${id}-${tokenIdx}-${itemIdx}`}
tokens={item.tokens}
top={token.loose}
/>
</li>
{/each}
</ul>
{/if}
{:else if token.type === 'html'}
{@html token.text}
{:else if token.type === 'paragraph'}
<p>
<MarkdownInlineTokens id={`${id}-${tokenIdx}-p`} tokens={token.tokens ?? []} />
</p>
{:else if token.type === 'text'}
{#if top}
<p>
{#if token.tokens}
<MarkdownInlineTokens id={`${id}-${tokenIdx}-t`} tokens={token.tokens} />
{:else}
{unescapeHtml(token.text)}
{/if}
</p>
{:else if token.tokens}
<MarkdownInlineTokens id={`${id}-${tokenIdx}-p`} tokens={token.tokens ?? []} />
{:else}
{unescapeHtml(token.text)}
{/if}
{:else if token.type === 'space'}
{''}
{:else}
{console.log('Unknown token', token)}
{/if}
{/each}
src/lib/components/chat/Messages/ResponseMessage.svelte
View file @ ab6346ea
......@@ -38,7 +38,7 @@
import Spinner from '$lib/components/common/Spinner.svelte';
import WebSearchResults from './ResponseMessage/WebSearchResults.svelte';
import Sparkles from '$lib/components/icons/Sparkles.svelte';
import TokenRenderer from './TokenRenderer.svelte';
import MarkdownTokens from './MarkdownTokens.svelte';
export let message;
export let siblings;
......@@ -77,9 +77,7 @@
let selectedCitation = null;
$: tokens = marked.lexer(
replaceTokens(sanitizeResponseContent(message?.content), model?.name, $user?.name)
);
$: tokens = marked.lexer(sanitizeResponseContent(message?.content));
$: if (message) {
renderStyling();
......@@ -413,7 +411,7 @@
{/if}
<div
class="prose chat-{message.role} w-full max-w-full dark:prose-invert prose-headings:my-0 prose-headings:-mb-4 prose-p:m-0 prose-p:-mb-6 prose-pre:my-0 prose-table:my-0 prose-blockquote:my-0 prose-img:my-0 prose-ul:-my-4 prose-ol:-my-4 prose-li:-my-3 prose-ul:-mb-6 prose-ol:-mb-8 prose-ol:p-0 prose-li:-mb-4 whitespace-pre-line"
class="prose chat-{message.role} w-full max-w-full dark:prose-invert whitespace-pre-line"
>
<div>
{#if (message?.statusHistory ?? [...(message?.status ? [message?.status] : [])]).length > 0}
......@@ -499,9 +497,7 @@
{:else if message.content && message.error !== true}
<!-- always show message contents even if there's an error -->
<!-- unless message.error === true which is legacy error handling, where the error message is stored in message.content -->
{#each tokens as token, tokenIdx}
<TokenRenderer {token} {tokenIdx} id={message.id} />
{/each}
<MarkdownTokens id={message.id} {tokens} />
{/if}
{#if message.error}
......
src/lib/components/chat/Messages/TokenRenderer.svelte deleted 100644 → 0
View file @ 6e6f9862
<script lang="ts">
import { revertSanitizedResponseContent } from '$lib/utils';
import { marked } from 'marked';
import CodeBlock from './CodeBlock.svelte';
import Image from '$lib/components/common/Image.svelte';
export let token;
export let tokenIdx = 0;
export let id;
let element;
let content;
const renderer = new marked.Renderer();
// For code blocks with simple backticks
renderer.codespan = (code) => {
return `<code>${code.replaceAll('&amp;', '&')}</code>`;
};
let codes = [];
renderer.code = (code, lang) => {
codes.push({ code, lang, id: codes.length });
codes = codes;
return `{{@CODE ${codes.length - 1}}}`;
};
let images = [];
renderer.image = (href, title, text) => {
images.push({ href, title, text });
images = images;
return `{{@IMAGE ${images.length - 1}}}`;
};
// Open all links in a new tab/window (from https://github.com/markedjs/marked/issues/655#issuecomment-383226346)
const origLinkRenderer = renderer.link;
renderer.link = (href, title, text) => {
const html = origLinkRenderer.call(renderer, href, title, text);
return html.replace(/^<a /, '<a target="_blank" rel="nofollow" ');
};
const { extensions, ...defaults } = marked.getDefaults() as marked.MarkedOptions & {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
extensions: any;
};
$: if (token) {
images = [];
codes = [];
content = marked
.parse(token.raw, {
...defaults,
gfm: true,
breaks: true,
renderer
})
.split(/({{@IMAGE [^}]+}}|{{@CODE [^}]+}})/g);
}
</script>
<div bind:this={element}>
{#if token.type === 'code'}
{#if token.lang === 'mermaid'}
<pre class="mermaid">{revertSanitizedResponseContent(token.text)}</pre>
{:else}
<CodeBlock
id={`${id}-${tokenIdx}`}
lang={token?.lang ?? ''}
code={revertSanitizedResponseContent(token?.text ?? '')}
/>
{/if}
{:else if token.type === 'image'}
<Image src={token.href} alt={token.text} />
{:else}
{#each content as part}
{@html part.startsWith('{{@IMAGE ') || part.startsWith('{{@CODE ') ? '' : part}
{#if images.length > 0 && part.startsWith('{{@IMAGE ')}
{@const img = images[parseInt(part.match(/{{@IMAGE (\d+)}}/)[1])]}
<div class="mt-6">
<Image src={img.href} text={img.text} />
</div>
{:else if codes.length > 0 && part.startsWith('{{@CODE ')}
{@const _code = codes[parseInt(part.match(/{{@CODE (\d+)}}/)[1])]}
<div class="my-10 -mb-6">
<CodeBlock
id={`${id}-${tokenIdx}-${_code.id}`}
lang={_code.lang}
code={revertSanitizedResponseContent(_code.code)}
/>
</div>
{/if}
{/each}
{/if}
</div>
src/lib/components/common/Image.svelte
View file @ ab6346ea
......@@ -17,9 +17,9 @@
on:click={() => {
showImagePreview = true;
}}
class="w-full"
class=" w-fit"
>
<img src={_src} {alt} class=" max-h-96 rounded-lg" draggable="false" data-cy="image" />
<img src={_src} {alt} class=" max-h-96 rounded-lg w-full" draggable="false" data-cy="image" />
</button>
</div>
<ImagePreview bind:show={showImagePreview} src={_src} {alt} />
src/lib/utils/index.ts
View file @ ab6346ea
......@@ -90,6 +90,11 @@ export const revertSanitizedResponseContent = (content: string) => {
return content.replaceAll('&lt;', '<').replaceAll('&gt;', '>');
};
export function unescapeHtml(html: string) {
const doc = new DOMParser().parseFromString(html, 'text/html');
return doc.documentElement.textContent;
}
export const capitalizeFirstLetter = (string) => {
return string.charAt(0).toUpperCase() + string.slice(1);
};
......
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