ReactDOMInput-test.js — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @emails react-core
 */

'use strict';

// Set by `yarn test-fire`.
const {disableInputAttributeSyncing} = require('shared/ReactFeatureFlags');

function emptyFunction() {}

describe('ReactDOMInput', () => {
  let React;
  let ReactDOM;
  let ReactDOMClient;
  let ReactDOMServer;
  let Scheduler;
  let act;
  let assertLog;
  let setUntrackedValue;
  let setUntrackedChecked;
  let container;
  let root;
  let assertConsoleErrorDev;

  function dispatchEventOnNode(node, type) {
    node.dispatchEvent(new Event(type, {bubbles: true, cancelable: true}));
  }

  function isValueDirty(node) {
    // Return the "dirty value flag" as defined in the HTML spec. Cast to text
    // input to sidestep complicated value sanitization behaviors.
    const copy = node.cloneNode();
    copy.type = 'text';
    // If modifying the attribute now doesn't change the value, the value was already detached.
    copy.defaultValue += Math.random();
    return copy.value === node.value;
  }

  function isCheckedDirty(node) {
    // Return the "dirty checked flag" as defined in the HTML spec.
    if (node.checked !== node.defaultChecked) {
      return true;
    }
    const copy = node.cloneNode();
    copy.type = 'checkbox';
    copy.defaultChecked = !copy.defaultChecked;
    return copy.checked === node.checked;
  }

  function getTrackedAndCurrentInputValue(elem: HTMLElement): [mixed, mixed] {
    const tracker = elem._valueTracker;
    if (!tracker) {
      throw new Error('No input tracker');
    }
// ... (3053 more lines)