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<script lang="ts">
import { marked } from 'marked';
import type { Token } from 'marked';
import { revertSanitizedResponseContent, unescapeHtml } from '$lib/utils';
import { onMount } from 'svelte';
import Image from '$lib/components/common/Image.svelte';
import CodeBlock from '$lib/components/chat/Messages/CodeBlock.svelte';
import MarkdownInlineTokens from '$lib/components/chat/Messages/MarkdownInlineTokens.svelte';
export let id: string;
export let tokens: Token[];
export let top = true;
let containerElement;
const headerComponent = (depth: number) => {
return 'h' + depth;
};
const renderer = new marked.Renderer();
// For code blocks with simple backticks
renderer.codespan = (code) => {
return `<code class="codespan">${code.replaceAll('&', '&')}</code>`;
};
let codes = [];
renderer.code = (code, lang) => {
codes.push({
code: code,
lang: lang
});
codes = codes;
const codeId = `${id}-${codes.length}`;
const interval = setInterval(() => {
const codeElement = document.getElementById(`code-${codeId}`);
if (codeElement) {
clearInterval(interval);
// If the code is already loaded, don't load it again
if (codeElement.innerHTML) {
return;
}
new CodeBlock({
target: codeElement,
props: {
id: `${id}-${codes.length}`,
lang: lang,
code: revertSanitizedResponseContent(code)
},
hydrate: true,
$$inline: true
});
}
}, 10);
return `<div id="code-${id}-${codes.length}"></div>`;
};
let images = [];
renderer.image = (href, title, text) => {
images.push({
href: href,
title: title,
text: text
});
images = images;
const imageId = `${id}-${images.length}`;
const interval = setInterval(() => {
const imageElement = document.getElementById(`image-${imageId}`);
if (imageElement) {
clearInterval(interval);
// If the image is already loaded, don't load it again
if (imageElement.innerHTML) {
return;
}
console.log('image', href, text);
new Image({
target: imageElement,
props: {
src: href,
alt: text
},
$$inline: true
});
}
}, 10);
return `<div id="image-${id}-${images.length}"></div>`;
};
// 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;
};
$: if (tokens) {
images = [];
codes = [];
}
</script>
<div bind:this={containerElement} class="flex flex-col">
{#each tokens as token, tokenIdx (`${id}-${tokenIdx}`)}
{#if token.type === 'code'}
{#if token.lang === 'mermaid'}
<pre class="mermaid">{revertSanitizedResponseContent(token.text)}</pre>
{:else}
<CodeBlock
id={`${id}-${tokenIdx}`}
lang={token?.lang ?? ''}
code={revertSanitizedResponseContent(token?.text ?? '')}
/>
{/if}
{:else}
{@html marked.parse(token.raw, {
...defaults,
gfm: true,
breaks: true,
renderer
})}
{/if}
{/each}
</div>
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