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

tdesign-mobile-vue

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

import { a as afterEach, v as vi, d as describe, i as it, g as globalExpect } from '../../../../_chunks/dep-e7846056.js';
import calcTextareaHeight from '../../../js/utils/calcTextareaHeight.js';
import '@babel/runtime/helpers/toConsumableArray';
import '@babel/runtime/helpers/slicedToArray';
import '@babel/runtime/helpers/construct';
import '@babel/runtime/helpers/assertThisInitialized';
import '@babel/runtime/helpers/possibleConstructorReturn';
import '@babel/runtime/helpers/getPrototypeOf';
import '@babel/runtime/helpers/inherits';
import '@babel/runtime/helpers/classCallCheck';
import '@babel/runtime/helpers/createClass';
import '@babel/runtime/helpers/typeof';
import '@babel/runtime/helpers/defineProperty';
import '@babel/runtime/helpers/asyncToGenerator';
import '@babel/runtime/regenerator';
import '@babel/runtime/helpers/wrapNativeSuper';
import '@babel/runtime/helpers/objectWithoutProperties';
import '../../../../_chunks/dep-7e6d79c9.js';
import '@babel/runtime/helpers/get';
import 'lodash-es';
import '../../../js/utils/helper.js';

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