ustyler/cjs/index.js

A minimalistic CSS style injector

'use strict';
/**
 * Create, append, and return, a style node with the passed CSS content.
 * @param {string|string[]} template the CSS text or a template literal array.
 * @param {...any} values the template literal interpolations.
 * @return {HTMLStyleElement} the node appended as head last child.
 */
function ustyler(template) {
  const text = typeof template == 'string' ? [template] : [template[0]];
  for (let i = 1, {length} = arguments; i < length; i++)
    text.push(arguments[i], template[i]);
  const style = document.createElement('style');
  style.type = 'text/css';
  style.appendChild(document.createTextNode(text.join('')));
  return document.head.appendChild(style);
}
module.exports = ustyler;