Add getBlocksByCategory

src/block_manager/index.ts

@@ -35,8 +35,8 @@ import defaults, { BlockManagerConfig } from './config/config';
 import Block, { BlockProperties } from './model/Block';
 import Blocks from './model/Blocks';
 import Categories from '../abstract/ModuleCategories';
-import Category from '../abstract/ModuleCategory';
-import { BlocksEvents } from './types';
+import Category, { getItemsByCategory } from '../abstract/ModuleCategory';
+import { BlocksByCategory, BlocksEvents } from './types';
 import BlocksView from './view/BlocksView';
 
 export type BlockEvent = `${BlocksEvents}`;
@@ -278,6 +278,19 @@ export default class BlockManager extends ItemManagerModule<BlockManagerConfig,
     return this._dragBlock;
   }
 
+  /**
+   * Get blocks by category.
+   * @example
+   * blockManager.getBlocksByCategory();
+   * // Returns an array of items of this type
+   * // > { category?: Category; items: Block[] }
+   *
+   * // NOTE: The item without category is the one containing blocks without category.
+   */
+  getBlocksByCategory(): BlocksByCategory[] {
+    return getItemsByCategory<Block>(this.getAll().models);
+  }
+
   /**
    * Render blocks
    * @param  {Array} blocks Blocks to render, without the argument will render all global blocks

src/block_manager/model/Block.ts

@@ -1,7 +1,7 @@
 import { Model } from '../../common';
 import { isFunction } from 'underscore';
 import Editor from '../../editor';
-import { CategoryProperties } from '../../abstract/ModuleCategory';
+import Category, { CategoryProperties } from '../../abstract/ModuleCategory';
 import { ComponentDefinition } from '../../dom_components/model/types';
 
 /** @private */
@@ -93,6 +93,11 @@ export default class Block extends Model<BlockProperties> {
     };
   }
 
+  get category(): Category | undefined {
+    const cat = this.get('category');
+    return cat instanceof Category ? cat : undefined;
+  }
+
   /**
    * Get block id
    * @returns {String}

src/block_manager/types.ts

@@ -1,3 +1,8 @@
+import { ItemsByCategory } from '../abstract/ModuleCategory';
+import Block from './model/Block';
+
+export interface BlocksByCategory extends ItemsByCategory<Block> {}
+
 /**{START_EVENTS}*/
 export enum BlocksEvents {
   /**