Hartmut
5ffc0d92e4
- xlsx dynamically imported via cached singleton in excel.ts and skillMatrixParser.ts (removes ~100 kB from 4 routes) - recharts extracted into lazy-loaded SkillDistributionChart and PeakTimesChart components (removes ~60 kB from 3 routes) - EstimateWorkspaceClient: 7 tab components + 2 editors loaded via next/dynamic (reduces /estimates/[id] from 323 kB to 138 kB) - ImportModal lazy-loaded in ResourcesClient (deferred until open) - NavItem memoized with React.memo, top 5 routes get prefetch=true - Raw <img> replaced with next/image in ProjectsClient, CoverArtSection - tRPC QueryClient: refetchOnWindowFocus/Reconnect disabled globally Heaviest routes reduced 39-66% First Load JS: /analytics/skills: 383→132 kB (-66%) /estimates/[id]: 323→138 kB (-57%) /resources/[id]: 458→210 kB (-54%) /estimates: 310→170 kB (-45%) /resources: 363→222 kB (-39%) Co-Authored-By: claude-flow <ruv@ruv.net>
42 lines
1.1 KiB
TypeScript
42 lines
1.1 KiB
TypeScript
let _xlsx: typeof import("xlsx") | null = null;
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async function getXLSX() {
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if (!_xlsx) {
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_xlsx = await import("xlsx");
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}
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return _xlsx;
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}
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/**
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* Parse an Excel (.xlsx, .xls) or CSV file to an array of row objects.
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* Keys come from the first row (headers).
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*/
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export async function parseSpreadsheet(file: File): Promise<Record<string, string>[]> {
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const XLSX = await getXLSX();
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const buffer = await file.arrayBuffer();
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const data = new Uint8Array(buffer);
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const workbook = XLSX.read(data, { type: "array" });
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const sheetName = workbook.SheetNames[0];
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if (!sheetName) {
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return [];
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}
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const sheet = workbook.Sheets[sheetName];
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if (!sheet) {
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return [];
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}
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return XLSX.utils.sheet_to_json<Record<string, string>>(sheet, {
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raw: false,
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defval: "",
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});
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}
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export function isSpreadsheetFile(file: File): boolean {
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return (
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file.type === "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" ||
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file.type === "application/vnd.ms-excel" ||
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file.name.endsWith(".xlsx") ||
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file.name.endsWith(".xls") ||
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file.name.endsWith(".csv")
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);
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}
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