vtils/utils/copyTextToClipboard.js

一个面向业务的 JavaScript/TypeScript 实用程序库。

/**
 * 复制文本到剪切板。
 *
 * @param text 要复制的文本
 * @param options 选项
 * @returns 返回是否复制成功
 */
export function copyTextToClipboard(text, options) {
  // https://github.com/sindresorhus/copy-text-to-clipboard/blob/master/index.js
  var element = document.createElement('textarea');
  element.value = text;

  // Prevent keyboard from showing on mobile
  element.setAttribute('readonly', '');

  // @ts-ignore
  element.style.contain = 'strict';
  element.style.position = 'absolute';
  element.style.left = '-9999px';
  element.style.fontSize = '12pt'; // Prevent zooming on iOS

  if (options != null && options.containerClass) {
    element.className = options.containerClass;
  }
  var selection = document.getSelection();
  var originalRange;
  /* istanbul ignore if */
  if (selection.rangeCount > 0) {
    originalRange = selection.getRangeAt(0);
  }
  document.body.appendChild(element);
  element.select();

  // Explicit selection workaround for iOS
  element.selectionStart = 0;
  element.selectionEnd = text.length;
  var isSuccess = false;
  try {
    isSuccess = document.execCommand('copy');
  } catch (_) {}
  document.body.removeChild(element);

  /* istanbul ignore if */
  if (originalRange) {
    selection.removeAllRanges();
    selection.addRange(originalRange);
  }
  return isSuccess;
}