@wordpress/block-library/build-module/utils/migrate-font-family.js

Block library for the WordPress editor.

/**
 * Internal dependencies
 */
import cleanEmptyObject from './clean-empty-object';
/**
 * Migrates the current style.typography.fontFamily attribute,
 * whose value was "var:preset|font-family|helvetica-arial",
 * to the style.fontFamily attribute, whose value will be "helvetica-arial".
 *
 * @param {Object} attributes The current attributes
 * @return {Object} The updated attributes.
 */

export default function (attributes) {
  var _attributes$style, _attributes$style$typ;

  if (!(attributes !== null && attributes !== void 0 && (_attributes$style = attributes.style) !== null && _attributes$style !== void 0 && (_attributes$style$typ = _attributes$style.typography) !== null && _attributes$style$typ !== void 0 && _attributes$style$typ.fontFamily)) {
    return attributes;
  }

  const {
    fontFamily,
    ...typography
  } = attributes.style.typography;
  return { ...attributes,
    style: cleanEmptyObject({ ...attributes.style,
      typography
    }),
    fontFamily: fontFamily.split('|').pop()
  };
}
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