qw-utils/dist/js/clipboardUtils.js

qw Utils package

"use strict";

var _interopRequireDefault = require("/Users/lxy/qw-utils/node_modules/@babel/runtime/helpers/interopRequireDefault.js").default;
var _defineProperty2 = _interopRequireDefault(require("/Users/lxy/qw-utils/node_modules/@babel/runtime/helpers/esm/defineProperty.js"));
var _clipboard = _interopRequireDefault(require("clipboard"));
var _cryptoUtils = require("./cryptoUtils");
class clipboardUtils {
  constructor() {
    // 读取剪贴板
    (0, _defineProperty2.default)(this, "readClipboard", () => {
      return new Promise((resolve, reject) => {
        if (navigator.clipboard?.readText) {
          navigator.clipboard.readText().then(text => {
            if (!text) reject('剪贴板为空或者不包含文本');
            return resolve(text);
          });
        } else reject('浏览器不支持或禁止访问剪贴板，请使用快捷键 Ctrl + V');
      });
    });
    // 解析加密后的剪贴板内容
    (0, _defineProperty2.default)(this, "pasteCustomClipboardString", text => {
      let clipboardData;
      try {
        clipboardData = JSON.parse(new _cryptoUtils.cryptoUtils().decrypt(text));
      } catch {
        clipboardData = text;
      }
      return clipboardData;
    });
  }

  /**
   * 复制文本到剪贴板
   * @param text 文本内容
   */
  copyText(text) {
    return new Promise((resolve, reject) => {
      const fakeElement = document.createElement('button');
      const clipboard = new _clipboard.default(fakeElement, {
        text: () => text,
        action: () => 'copy',
        container: document.body
      });
      clipboard.on('success', e => {
        clipboard.destroy();
        resolve(e);
      });
      clipboard.on('error', e => {
        clipboard.destroy();
        reject(e);
      });
      document.body.appendChild(fakeElement);
      fakeElement.click();
      document.body.removeChild(fakeElement);
    });
  }
  // 尝试解析剪贴板内容是否为Excel表格（或类似的）数据格式
  pasteExcelClipboardString(text) {
    const lines = text.split('\r\n');
    if (lines[lines.length - 1] === '') lines.pop();
    let colCount = -1;
    const data = [];
    for (const index in lines) {
      data[index] = lines[index].split('\t');
      if (data[index].length === 1) return null;
      if (colCount === -1) colCount = data[index].length;else if (colCount !== data[index].length) return null;
    }
    return data;
  }
}
module.exports = {
  clipboardUtils
};