@wordpress/block-library/build-module/image/utils.js

Block library for the WordPress editor.

/**
 * External dependencies
 */
import { isEmpty, get } from 'lodash';
/**
 * Internal dependencies
 */

import { NEW_TAB_REL } from './constants';
export function removeNewTabRel(currentRel) {
  let newRel = currentRel;

  if (currentRel !== undefined && !isEmpty(newRel)) {
    if (!isEmpty(newRel)) {
      NEW_TAB_REL.forEach(relVal => {
        const regExp = new RegExp('\\b' + relVal + '\\b', 'gi');
        newRel = newRel.replace(regExp, '');
      }); // Only trim if NEW_TAB_REL values was replaced.

      if (newRel !== currentRel) {
        newRel = newRel.trim();
      }

      if (isEmpty(newRel)) {
        newRel = undefined;
      }
    }
  }

  return newRel;
}
/**
 * Helper to get the link target settings to be stored.
 *
 * @param {boolean} value          The new link target value.
 * @param {Object}  attributes     Block attributes.
 * @param {Object}  attributes.rel Image block's rel attribute.
 *
 * @return {Object} Updated link target settings.
 */

export function getUpdatedLinkTargetSettings(value, _ref) {
  let {
    rel
  } = _ref;
  const linkTarget = value ? '_blank' : undefined;
  let updatedRel;

  if (!linkTarget && !rel) {
    updatedRel = undefined;
  } else {
    updatedRel = removeNewTabRel(rel);
  }

  return {
    linkTarget,
    rel: updatedRel
  };
}
/**
 * Determines new Image block attributes size selection.
 *
 * @param {Object} image Media file object for gallery image.
 * @param {string} size  Selected size slug to apply.
 */

export function getImageSizeAttributes(image, size) {
  const url = get(image, ['media_details', 'sizes', size, 'source_url']);

  if (url) {
    return {
      url,
      width: undefined,
      height: undefined,
      sizeSlug: size
    };
  }

  return {};
}
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