@gechiui/block-editor/build-module/components/block-styles/utils.js

Generic block editor.

/**
 * External dependencies
 */
import { find } from 'lodash';
/**
 * GeChiUI dependencies
 */

import TokenList from '@gechiui/token-list';
/**
 * Returns the active style from the given className.
 *
 * @param {Array}  styles    Block style variations.
 * @param {string} className Class name
 *
 * @return {Object?} The active style.
 */

export function getActiveStyle(styles, className) {
  for (const style of new TokenList(className).values()) {
    if (style.indexOf('is-style-') === -1) {
      continue;
    }

    const potentialStyleName = style.substring(9);
    const activeStyle = find(styles, {
      name: potentialStyleName
    });

    if (activeStyle) {
      return activeStyle;
    }
  }

  return find(styles, 'isDefault');
}
/**
 * Replaces the active style in the block's className.
 *
 * @param {string}  className   Class name.
 * @param {Object?} activeStyle The replaced style.
 * @param {Object}  newStyle    The replacing style.
 *
 * @return {string} The updated className.
 */

export function replaceActiveStyle(className, activeStyle, newStyle) {
  const list = new TokenList(className);

  if (activeStyle) {
    list.remove('is-style-' + activeStyle.name);
  }

  list.add('is-style-' + newStyle.name);
  return list.value;
}
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