feat: use convert config instead of defined property

src/components/block/index.ts

@@ -389,6 +389,8 @@ export default class Block extends EventsDispatcher<BlockEvents> {
    * @returns {boolean}
    */
   public get mergeable(): boolean {
+    console.log(this.toolInstance.merge);
+
     return _.isFunction(this.toolInstance.merge);
   }
 
@@ -995,11 +997,4 @@ export default class Block extends EventsDispatcher<BlockEvents> {
   private dropInputsCache(): void {
     this.cachedInputs = [];
   }
-
-  /**
-   * Get the list of mergeable blocks with the current block
-   */
-  public get mergeableWithBlocks(): string[]|undefined {
-    return this.tool.mergeableBlocks;
-  }
 }

src/components/modules/blockManager.ts

@@ -471,7 +471,24 @@ export default class BlockManager extends Module {
    * @returns {Promise} - the sequence that can be continued
    */
   public async mergeBlocks(targetBlock: Block, blockToMerge: Block): Promise<void> {
-    const blockToMergeData = await blockToMerge.data;
+    const data = await blockToMerge.data;
+
+    const getBlockToolData = async (): Promise<BlockToolData> => {
+      const importConfig = targetBlock.tool.conversionConfig.import;
+      const exportConfig = blockToMerge.tool.conversionConfig.export;
+
+      if (typeof importConfig === 'string') {
+        return {
+          [importConfig]: typeof exportConfig === 'string' ? data[exportConfig] : exportConfig(data),
+        };
+      }
+
+      return importConfig(await blockToMerge.exportDataAsString());
+    };
+
+    const blockToMergeData = targetBlock.name !== blockToMerge.name
+      ? await getBlockToolData()
+      : data;
 
     if (!_.isEmpty(blockToMergeData)) {
       await targetBlock.mergeWith(blockToMergeData, targetBlock.name);

src/components/tools/base.ts

@@ -90,8 +90,6 @@ export enum InternalBlockToolSettings {
    * Tool paste config
    */
   PasteConfig = 'pasteConfig',
-
-  MergeableBlocks = 'mergeableBlocks'
 }
 
 /**

src/components/tools/block.ts

@@ -212,11 +212,4 @@ export default class BlockTool extends BaseTool<IBlockTool> {
 
     return baseConfig;
   }
-
-  /**
-   *
-   */
-  public get mergeableBlocks(): string[]|undefined {
-    return this.constructable[InternalBlockToolSettings.MergeableBlocks];
-  }
 }

src/components/utils/blocks.ts

@@ -9,12 +9,15 @@ import { isFunction, isString, log } from '../utils';
  * We can merge two blocks if:
  *  - they have the same type
  *  - they have a merge function (.mergeable = true)
+ *  - If they have valid conversions config
  *
  * @param targetBlock - block to merge to
  * @param blockToMerge - block to merge from
  */
 export function areBlocksMergeable(targetBlock: Block, blockToMerge: Block): boolean {
-  if (blockToMerge.mergeableWithBlocks?.includes(targetBlock.name)) {
+  if (blockToMerge.mergeable &&
+    blockToMerge.tool.conversionConfig?.export !== undefined &&
+    targetBlock.tool.conversionConfig?.import !== undefined) {
     return true;
   }
 

types/tools/block-tool.d.ts

@@ -12,12 +12,6 @@ import { TunesMenuConfig } from './tool-settings';
  * @see {@link docs/tools.md}
  */
 export interface BlockTool extends BaseTool {
-
-  /**
-   * Block that can be merged with the block
-   */
-  mergeableBlocks?: string[];
-
   /**
    * Sanitizer rules description
    */
@@ -100,11 +94,6 @@ export interface BlockToolConstructorOptions<D extends object = any, C extends o
 
 export interface BlockToolConstructable extends BaseToolConstructable {
 
-  /**
-   * Block types that can be merged with the block
-   */
-  mergeableBlocks?: string[];
-
   /**
    * Tool's Toolbox settings
    */