65 lines
2.6 KiB
TypeScript
65 lines
2.6 KiB
TypeScript
import React from 'react';
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import { lazyWithChunkRecovery } from '@/lib/chunkLoadRecovery';
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import { isMobileSurfaceRuntime } from '@/lib/runtimeSurface';
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import { cn } from '@/lib/utils';
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import { loadMarkdownRendererModule } from './markdownRendererLoader';
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// Thin lazy wrapper around the MarkdownRenderer implementation.
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// The full implementation (marked + Shiki highlighting + KaTeX + morphdom
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// DOM morphing, plus beautiful-mermaid) is loaded on demand, keeping the
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// initial bundle lean.
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const MarkdownRendererLazy = lazyWithChunkRecovery(() =>
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loadMarkdownRendererModule().then((m) => ({ default: m.MarkdownRenderer }))
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);
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const SimpleMarkdownRendererLazy = lazyWithChunkRecovery(() =>
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loadMarkdownRendererModule().then((m) => ({ default: m.SimpleMarkdownRenderer }))
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);
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const MarkdownImageGalleryLazy = lazyWithChunkRecovery(() =>
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import('./MarkdownImageGallery').then((m) => ({ default: m.MarkdownImageGallery }))
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);
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const fallback = <div className="break-words w-full min-w-0" />;
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const fallbackContentClassName = (variant: unknown): string => {
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if (variant === 'tool') return 'markdown-content markdown-tool';
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if (variant === 'reasoning') return 'markdown-content markdown-reasoning';
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return 'markdown-content leading-relaxed';
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};
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const MobileMarkdownFallback = (props: { content?: unknown; className?: unknown; variant?: unknown }) => {
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if (!isMobileSurfaceRuntime() || typeof props.content !== 'string' || props.content.length === 0) {
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return fallback;
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}
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return (
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<div className={cn('break-words w-full min-w-0 whitespace-pre-wrap', fallbackContentClassName(props.variant), typeof props.className === 'string' ? props.className : undefined)}>
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{props.content}
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</div>
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);
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};
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export const MarkdownRenderer: React.FC<React.ComponentPropsWithoutRef<typeof MarkdownRendererLazy>> = (props) => (
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<React.Suspense fallback={<MobileMarkdownFallback {...props} />}>
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<MarkdownRendererLazy {...props} />
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</React.Suspense>
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);
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type SimpleMarkdownRendererProps = React.ComponentPropsWithoutRef<typeof SimpleMarkdownRendererLazy> & {
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fallbackContent?: React.ReactNode;
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};
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export const SimpleMarkdownRenderer: React.FC<SimpleMarkdownRendererProps> = ({ fallbackContent, ...props }) => (
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<React.Suspense fallback={fallbackContent ?? <MobileMarkdownFallback {...props} />}>
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<SimpleMarkdownRendererLazy {...props} />
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</React.Suspense>
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);
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export const MarkdownImageGallery: React.FC<React.ComponentPropsWithoutRef<typeof MarkdownImageGalleryLazy>> = (props) => (
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<React.Suspense fallback={null}>
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<MarkdownImageGalleryLazy {...props} />
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</React.Suspense>
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);
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