30 lines
640 B
TypeScript
30 lines
640 B
TypeScript
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import { parse } from 'csv-parse/browser/esm/sync';
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import type { CardData } from '../types';
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/**
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* 全局缓存已加载的 CSV 内容
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*/
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const csvCache = new Map<string, CardData[]>();
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/**
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* 加载 CSV 文件
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*/
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export async function loadCSV(path: string): Promise<CardData[]> {
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if (csvCache.has(path)) {
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return csvCache.get(path)!;
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}
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const response = await fetch(path);
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const content = await response.text();
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const records = parse(content, {
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columns: true,
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comment: '#',
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trim: true,
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skipEmptyLines: true
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});
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const result = records as CardData[];
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csvCache.set(path, result);
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return result;
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}
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