83 lines
2.0 KiB
TypeScript
83 lines
2.0 KiB
TypeScript
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'use client';
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import { useRef, useState } from 'react';
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import { FileUp, Loader2 } from 'lucide-react';
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import { Button } from '@/components/ui/button';
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interface MarkdownImportProps {
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/** 上传成功后回调，传入 MD 原文和文件名 */
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onImport: (markdown: string, filename: string) => void;
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/** 错误回调 */
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onError?: (msg: string) => void;
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/** 单文件大小上限（字节），默认 2MB */
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maxSize?: number;
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}
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/**
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* Markdown 文档上传按钮：
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* - 仅接受 .md / .markdown
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* - 读取为纯文本后通过 onImport 回调（不经过后端上传接口）
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*/
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export function MarkdownImport({
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onImport,
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onError,
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maxSize = 2 * 1024 * 1024,
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}: MarkdownImportProps) {
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const inputRef = useRef<HTMLInputElement>(null);
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const [loading, setLoading] = useState(false);
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const handleFile = async (file: File) => {
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const isMd =
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/\.md$/i.test(file.name) ||
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/\.markdown$/i.test(file.name) ||
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file.type === 'text/markdown';
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if (!isMd) {
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onError?.('请选择 .md 或 .markdown 文件');
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return;
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}
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if (file.size > maxSize) {
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onError?.('文件不能超过 2M');
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return;
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}
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setLoading(true);
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try {
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const text = await file.text();
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onImport(text, file.name);
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} catch (e) {
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onError?.((e as Error).message);
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} finally {
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setLoading(false);
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}
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};
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return (
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<>
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<input
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ref={inputRef}
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type="file"
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accept=".md,.markdown,text/markdown"
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className="hidden"
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onChange={(e) => {
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const f = e.target.files?.[0];
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if (f) void handleFile(f);
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e.target.value = '';
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}}
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/>
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<Button
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type="button"
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variant="outline"
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size="sm"
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onClick={() => inputRef.current?.click()}
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disabled={loading}
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>
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{loading ? (
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<Loader2 className="h-4 w-4 animate-spin" />
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) : (
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<FileUp className="h-4 w-4" />
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)}
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上传 Markdown 文档
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</Button>
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</>
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);
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}
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