getAllCss

const css: any = [];

for (let i = 0; i < document.styleSheets.length; i += 1) {
  try {
    const sheet: any = document.styleSheets[i];
    const rules = ('cssRules' in sheet) ? sheet.cssRules : sheet.rules;
    for (let j = 0; j < rules.length; j += 1) {
      const rule: any = rules[j];
      if ('cssText' in rule) { css.push(rule.cssText); } else { css.push(`${rule.selectorText} {\n${rule.style.cssText}\n}\n`); }
    }
  } catch (error) {
    console.log(error);
  }
}

const a = css.join('\n').replace(/\s/g, '');
console.log('CSS', a);
return a;

gistfile1.txt

https://www.developerdrive.com/2017/07/creating-a-data-table-in-vue-js/

{
    "editor.tabSize": 2,
    "window.zoomLevel": 0,
    "javascript.format.insertSpaceBeforeFunctionParenthesis": true,
    "eslint.validate": [
        {
            "language": "vue",
            "autoFix": true
        },
        {
            "language": "javascript",
            "autoFix": true
        },
    ],
   "eslint.autoFixOnSave": true,
}