mount-script/dist/index.esm-bundler.js

A simple function for mounting javascript

/**
 * Dynamic loading of js linked resources
 *
 * @param src - resource address
 * @param option - parameters: attrs, props, force
 * @returns - result
 */
function mountScript(src, option) {
  if (option === void 0) {
    option = {};
  }
  if (!src) throw new Error('[mountScript]: url is required');
  var attrs = option.attrs,
    props = option.props,
    _a = option.force,
    force = _a === void 0 ? false : _a;
  return new Promise(function (resolve, reject) {
    if (!force && document.querySelector("script[src=\"".concat(src, "\"]"))) {
      resolve(true);
      return;
    }
    var dom = document.createElement('script');
    var attr, prop;
    if (attrs) {
      for (attr in attrs) {
        dom[attr] = attrs[attr];
      }
    }
    if (props) {
      for (prop in props) {
        dom[prop] = props[prop];
      }
    }
    dom.src = src;
    document.body.appendChild(dom);
    dom.onload = dom.onreadystatechange = function () {
      if (!dom.readyState || ['loaded', 'complete'].includes(dom.readyState)) {
        dom.onload = dom.onreadystatechange = null;
        resolve(true);
      }
    };
    dom.onerror = reject;
  });
}

export { mountScript as default };