tools-for-js/lib/web/core.js

基于babel构建的JavaScript前端工具库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.copyText = copyText;
exports.createScript = void 0;
/*******
 * @description: 创建script标签加载js
 * @author: 琴时
 * @param {String} url
 * @return {*}
 */
var createScript = exports.createScript = function createScript() {
  var url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  if (typeof window === 'undefined') return;
  var scriptTags = window.document.querySelectorAll('script');
  var len = scriptTags.length;
  var i = 0;
  // 截取字符串,去掉可能url是相对路径的
  url = url.indexOf('.') === 0 ? url.substr(1) : url;
  var _url = location.origin + url;
  return new Promise(function (resolve, reject) {
    var isHas = false;
    for (i = 0; i < len; i++) {
      var src = scriptTags[i].src;
      if (src && src === _url) {
        isHas = true;
        resolve();
      }
    }
    if (!isHas) {
      var node = document.createElement('script');
      node.type = 'text/javascript';
      node.src = url;
      node.onload = resolve;
      document.body.appendChild(node);
    }
  });
};

/*******
 * @description: 复制文本
 * @author: 琴时
 * @param {String} text
 * @return {*}
 */
function copyText(text) {
  if (typeof window === 'undefined') return;
  if (navigator.clipboard) {
    exports.copyText = copyText = function copyText(text) {
      navigator.clipboard.writeText(text);
    };
  } else {
    exports.copyText = copyText = function copyText(text) {
      var input = document.createElement('input');
      input.setAttribute('value', text);
      document.body.appendChild(input);
      input.select();
      document.execCommand('copy');
      document.body.removeChild(input);
    };
  }
  copyText(text);
}