Merge pull request #1784 from epam/#1782-Add_Layout_Method_to_Ketcher…

…_API

#1782 add layout method to ketcher api

packages/ketcher-core/docs/classes/Ketcher.md

@@ -23,6 +23,7 @@
 ### Methods
 
 - [addFragment](Ketcher.md#addfragment)
+- [layout](Ketcher.md#layout)
 - [containsReaction](Ketcher.md#containsreaction)
 - [generateImage](Ketcher.md#generateimage)
 - [generateInchIKey](Ketcher.md#generateinchikey)
@@ -144,6 +145,20 @@ ___
 
 ___
 
+### layout
+
+▸ **layout**(): `Promise`<`void`\>
+
+#### Returns
+
+`Promise`<`void`\>
+
+#### Defined in
+
+[packages/ketcher-core/src/application/ketcher.ts:198](https://github.com/epam/ketcher/blob/bf065756/packages/ketcher-core/src/application/ketcher.ts#L198)
+
+___
+
 ### containsReaction
 
 ▸ **containsReaction**(): `boolean`

packages/ketcher-core/src/application/ketcher.ts

@@ -23,7 +23,7 @@ import { GenerateImageOptions, StructService } from 'domain/services'
 
 import { Editor } from './editor'
 import { Indigo } from 'application/indigo'
-import { MolfileFormat } from 'domain/serializers'
+import { KetSerializer, MolfileFormat } from 'domain/serializers'
 import { Struct } from 'domain/entities'
 import assert from 'assert'
 import { EventEmitter } from 'events'
@@ -234,6 +234,14 @@ export class Ketcher {
     }, this.eventBus)
   }
 
+  async layout(): Promise<void> {
+    runAsyncAction<void>(async () => {
+      const struct = await this.#indigo.layout(this.#editor.struct())
+      const ketSerializer = new KetSerializer()
+      this.setMolecule(ketSerializer.serialize(struct))
+    }, this.eventBus)
+  }
+
   recognize(image: Blob, version?: string): Promise<Struct> {
     return this.#indigo.recognize(image, { version: version })
   }