tdesign-mobile-vue/cjs/_common/test/unit/utils/calcTextareaHeight.test.js

tdesign-mobile-vue

/**
 * tdesign v1.15.1
 * (c) 2026 TDesign Group
 * @license MIT
 */

'use strict';

var _common_js_utils_calcTextareaHeight = require('../../../js/utils/calcTextareaHeight.js');
var vi_bdSIJ99Y = require('../../../../_chunks/dep-a0cef1a2.js');
require('../../../js/utils/helper.js');
require('@babel/runtime/helpers/toConsumableArray');
require('@babel/runtime/helpers/objectWithoutProperties');
require('@babel/runtime/helpers/slicedToArray');
require('@babel/runtime/helpers/defineProperty');
require('../../../../_chunks/dep-e30b9275.js');
require('../../../../_chunks/dep-a08136a2.js');
require('../../../../_chunks/dep-8fb16430.js');
require('../../../../_chunks/dep-71520daa.js');
require('@babel/runtime/helpers/typeof');
require('../../../../_chunks/dep-e226a2cc.js');
require('../../../../_chunks/dep-bc41faad.js');
require('../../../../_chunks/dep-24107aa3.js');
require('@babel/runtime/helpers/construct');
require('@babel/runtime/helpers/assertThisInitialized');
require('@babel/runtime/helpers/possibleConstructorReturn');
require('@babel/runtime/helpers/getPrototypeOf');
require('@babel/runtime/helpers/inherits');
require('@babel/runtime/helpers/classCallCheck');
require('@babel/runtime/helpers/createClass');
require('@babel/runtime/helpers/asyncToGenerator');
require('@babel/runtime/regenerator');
require('@babel/runtime/helpers/wrapNativeSuper');
require('@babel/runtime/helpers/get');

vi_bdSIJ99Y.afterEach(function () {
  vi_bdSIJ99Y.vi.restoreAllMocks();
  document.body.innerHTML = "";
});
vi_bdSIJ99Y.describe("calcTextareaHeight", function () {
  vi_bdSIJ99Y.it("removes hidden textarea after height calculation", function () {
    var textarea = document.createElement("textarea");
    textarea.value = "textarea content";
    document.body.appendChild(textarea);
    var result = _common_js_utils_calcTextareaHeight["default"](textarea);
    vi_bdSIJ99Y.globalExpect(result.height).toBeDefined();
    vi_bdSIJ99Y.globalExpect(document.body.querySelectorAll("textarea")).toHaveLength(1);
  });
  vi_bdSIJ99Y.it("removes hidden textarea after reentrant height calculations", function () {
    var firstTextarea = document.createElement("textarea");
    firstTextarea.value = "first textarea content";
    document.body.appendChild(firstTextarea);
    var secondTextarea = document.createElement("textarea");
    secondTextarea.value = "second textarea content";
    document.body.appendChild(secondTextarea);
    var isReentered = false;
    vi_bdSIJ99Y.vi.spyOn(HTMLTextAreaElement.prototype, "scrollHeight", "get").mockImplementation(function mockScrollHeight() {
      if (!isReentered && !this.isConnected) return 0;
      if (!isReentered && this !== firstTextarea && this !== secondTextarea) {
        isReentered = true;
        _common_js_utils_calcTextareaHeight["default"](secondTextarea);
      }
      return 20;
    });
    var result = _common_js_utils_calcTextareaHeight["default"](firstTextarea);
    vi_bdSIJ99Y.globalExpect(result.height).toBeDefined();
    vi_bdSIJ99Y.globalExpect(document.body.querySelectorAll("textarea")).toHaveLength(2);
  });
});
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