package.src.common.create-fake-element.js Maven / Gradle / Ivy

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/**
 * Creates a fake textarea element with a value.
 * @param {String} value
 * @return {HTMLElement}
 */
export default function createFakeElement(value) {
  const isRTL = document.documentElement.getAttribute('dir') === 'rtl';
  const fakeElement = document.createElement('textarea');
  // Prevent zooming on iOS
  fakeElement.style.fontSize = '12pt';
  // Reset box model
  fakeElement.style.border = '0';
  fakeElement.style.padding = '0';
  fakeElement.style.margin = '0';
  // Move element out of screen horizontally
  fakeElement.style.position = 'absolute';
  fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px';
  // Move element to the same position vertically
  let yPosition = window.pageYOffset || document.documentElement.scrollTop;
  fakeElement.style.top = `${yPosition}px`;

  fakeElement.setAttribute('readonly', '');
  fakeElement.value = value;

  return fakeElement;
}