bytev-charts-beta1.0/lib/util/Load.js

测试版-1.0,版本号为小版本; 基于echarts和JavaScript及ES6封装的一个可以直接调用的图表组件库，内置主题设计，简单快捷，且支持用户自定义配置； npm 安装方式: npm install bytev-charts 若启动提示还需额外install插件,则运行 npm install @babel/runtime-corejs2 即可;

import _classCallCheck from "@babel/runtime-corejs2/helpers/classCallCheck";
import _createClass from "@babel/runtime-corejs2/helpers/createClass";
import _defineProperty from "@babel/runtime-corejs2/helpers/defineProperty";
import _Promise from "@babel/runtime-corejs2/core-js/promise";
import "core-js/modules/es.array.last-index-of.js";

var Load = /*#__PURE__*/function () {
  function Load(name) {// this.path = this.getPath ()
    // console.log(this.path)
    // if( this.path && name){
    //     this.loadScript(this.path + name + 'js').then(r => {
    //
    //     })
    // }

    _classCallCheck(this, Load);

    _defineProperty(this, "path", '');
  }

  _createClass(Load, [{
    key: "getPath",
    value: function getPath() {
      var jsPath = window.document.currentScript ? window.document.currentScript.src : function () {
        debugger;
        var js = window.document.scripts,
            last = js.length - 1,
            src;

        for (var i = last; i > 0; i--) {
          if (js[i].readyState === 'interactive') {
            src = js[i].src;
            break;
          }
        }

        return src || js[last].src;
      }();
      return jsPath.substring(0, jsPath.lastIndexOf('/') + 1);
    }
  }, {
    key: "loadScript",
    value: function loadScript(src) {
      return new _Promise(function (resolve, reject) {
        var script = document.createElement('script'),
            head = document.getElementsByTagName('head')[0];
        script.type = 'text/javascript';
        script.charset = 'UTF-8';
        script.src = src;

        if (script.addEventListener) {
          script.addEventListener('load', function () {
            resolve();
          }, false);
        } else if (script.attachEvent) {
          script.attachEvent('onreadystatechange', function () {
            var target = window.event.srcElement;

            if (target.readyState == 'loaded') {
              resolve();
            }
          });
        }

        head.appendChild(script);
      });
    }
  }, {
    key: "loadCss",
    value: function loadCss(href) {
      return new _Promise(function (resolve, reject) {
        var link = document.createElement('link'),
            head = document.getElementsByTagName('head')[0];
        link.rel = 'stylesheet';
        link.href = href;

        if (link.addEventListener) {
          link.addEventListener('load', function () {
            resolve();
          }, false);
        } else if (link.attachEvent) {
          link.attachEvent('onreadystatechange', function () {
            var target = window.event.srcElement;

            if (target.readyState == 'loaded') {
              resolve();
            }
          });
        }

        head.appendChild(link);
      });
    } // async initAliplayer(source) {
    //     await this.loadCss('xxx.css')
    //     await this.loadScript('xxx.js')
    // }

  }]);

  return Load;
}();

export { Load as default };