curvature/base/Import.js


"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Import = void 0;
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var Import = /*#__PURE__*/function () {
  function Import(uri) {
    _classCallCheck(this, Import);
    console.log(this.__proto__.constructor);
    if (this.__proto__.constructor.instances[uri]) {
      return this.__proto__.constructor.instances[uri];
    }
    this.uri = uri;
    var tag = document.createElement('script');
    tag.setAttribute('src', this.uri);
    this.ready = new Promise(function (accept, reject) {
      tag.addEventListener('load', function (event) {
        return accept(tag);
      });
      tag.addEventListener('error', function (error) {
        console.error(error);
        reject(error);
      });
    });
    this.tag = tag;
    this.attached = false;
    this.__proto__.constructor.instances[uri] = this;
  }
  _createClass(Import, [{
    key: "attach",
    value: function attach() {
      var parent = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
      if (this.attached) {
        return;
      }
      parent = parent || document.head;
      parent.append(this.tag);
      this.attached = true;
    }
  }]);
  return Import;
}();
exports.Import = Import;
Import.instances = {};