sheetjs/demos/deno/doit.ts

44 lines
1.0 KiB
TypeScript

const bts = [
"xlsx",
"xlsb",
"xls",
"csv",
"fods",
"xlml",
"slk"
];
export default function doit(XLSX: any, tag: string) {
const path = "number_format_greek.xls";
let workbook: any;
/* read file */
try {
workbook = XLSX.readFile(path);
} catch(e) {
console.log(e);
console.error("Cannot use readFile, falling back to read");
const rawdata = Deno.readFileSync(path);
workbook = XLSX.read(rawdata, {type: "buffer"});
}
/* write file */
try {
bts.forEach(bt => {
console.log(bt);
XLSX.writeFile(workbook, `${tag}.${bt}`);
});
} catch(e) {
console.log(e);
console.error("Cannot use writeFile, falling back to write");
bts.forEach(bt => {
console.log(bt);
const buf = XLSX.write(workbook, {type: "buffer", bookType: bt});
if(typeof buf == "string") {
const nbuf = new Uint8Array(buf.length);
for(let i = 0; i < buf.length; ++i) nbuf[i] = buf.charCodeAt(i);
Deno.writeFileSync(`${tag}.${bt}`, nbuf);
} else Deno.writeFileSync(`${tag}.${bt}`, new Uint8Array(buf));
});
}
}