tdesign-mobile-vue/lib/_util/copy-to-clipboard.js

tdesign-mobile-vue

/**
 * tdesign v1.15.0
 * (c) 2026 TDesign Group
 * @license MIT
 */

var deselectCurrent = function deselectCurrent() {
  var selection = document.getSelection();
  if (!selection.rangeCount) {
    return function () {};
  }
  var active = document.activeElement;
  var ranges = [];
  for (var i = 0; i < selection.rangeCount; i++) {
    ranges.push(selection.getRangeAt(i));
  }
  var tagName = active.tagName.toUpperCase();
  switch (tagName) {
    case "INPUT":
    case "TEXTAREA":
      active.blur();
      break;
    default:
      active = null;
      break;
  }
  selection.removeAllRanges();
  return function () {
    selection.type === "Caret" && selection.removeAllRanges();
    if (!selection.rangeCount) {
      ranges.forEach(function (range) {
        selection.addRange(range);
      });
    }
    active && active.focus();
  };
};
var copy = function copy(text, options) {
  var reselectPrevious;
  var range;
  var selection;
  var mark;
  var success = false;
  if (!options) {
    options = {};
  }
  try {
    reselectPrevious = deselectCurrent();
    range = document.createRange();
    selection = document.getSelection();
    mark = document.createElement("span");
    mark.textContent = text;
    mark.style.all = "unset";
    mark.style.position = "fixed";
    mark.style.top = "0";
    mark.style.clip = "rect(0, 0, 0, 0)";
    mark.style.whiteSpace = "pre";
    mark.style.webkitUserSelect = "text";
    mark.style.userSelect = "text";
    mark.addEventListener("copy", function (e) {
      e.stopPropagation();
      if (options.format) {
        e.preventDefault();
        e.clipboardData.clearData();
        e.clipboardData.setData(options.format, text);
      }
      if (options.onCopy) {
        e.preventDefault();
        options.onCopy(e.clipboardData);
      }
    });
    document.body.appendChild(mark);
    range.selectNodeContents(mark);
    selection.addRange(range);
    var successful = document.execCommand("copy");
    if (!successful) {
      throw new Error("copy command was unsuccessful");
    }
    success = true;
  } catch (err) {
    try {
      window.clipboardData.setData(options.format || "text", text);
      options.onCopy && options.onCopy(window.clipboardData);
      success = true;
    } catch (err2) {
      console.warn("Copy to clipboard failed", err2);
    }
  } finally {
    if (selection) {
      if (typeof selection.removeRange === "function") {
        selection.removeRange(range);
      } else {
        selection.removeAllRanges();
      }
    }
    if (mark) {
      document.body.removeChild(mark);
    }
    reselectPrevious();
  }
  return success;
};

export { copy };
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