JavaScript API: getTemplateVariables

import { CreateXlsx } from "build";
import * as fs from "fs";

const xlsxTemplate = fs.readFileSync("template.xlsx").buffer;

const xlsx = new CreateXlsx();
xlsx.openTemplate(xlsxTemplate).then(xlsx => {
    console.log(xlsx.getTemplateVariables());
});

Release notes

phpxlsx 5.0:
- new method.