import Head from 'next/head'; import { read, utils } from 'xlsx'; import base64 from "@/sheetjs.xlsx"; export default function Index({type, html, name}) { return ( <> {`SheetJS Next.JS ${type} Demo`}

{`SheetJS Next.JS ${type} Demo`}

This demo reads from /sheetjs.xlsx

Sheet name: {name}

); } let cache = []; export async function getStaticProps(ctx) { if(!cache || !cache.length) { const wb = read(base64, {type: "base64"}); cache = wb.SheetNames.map((name) => ({ name, sheet: wb.Sheets[name] })); } const entry = cache[ctx.params.id]; return { props: { type: "getStaticPaths", name: entry.name, id: ctx.params.id.toString(), html: entry.sheet ? utils.sheet_to_html(entry.sheet) : "", }, } } export async function getStaticPaths() { const wb = read(base64, {type: "base64"}); cache = wb.SheetNames.map((name) => ({ name, sheet: wb.Sheets[name] })); return { paths: wb.SheetNames.map((_, idx) => ({ params: { id: idx.toString() } })), fallback: false, }; }