autoPad grvity fix (#47)

__TESTS__/unit/actions/Resize/AutoPadResizeAction.test.ts

@@ -8,6 +8,11 @@ describe('Tests for Transformation Action -- Resize.autoPad', () => {
     expect(tx).toContain('c_auto_pad,g_auto,h_250,w_250');
   });
 
+  it('Ignores gravity and always returns g_auto', () => {
+    const tx = new Transformation().resize(autoPad(250, 250).gravity("north")).toString();
+    expect(tx).toContain('c_auto_pad,g_auto,h_250,w_250');
+  });
+
   it('Ensures it generates the right transformation using qualifiers', () => {
     const tx = new Transformation().resize(
       Resize.autoPad()

src/actions/resize/ResizeAutoPadAction.ts

@@ -4,6 +4,7 @@ import {IActionModel} from "../../internal/models/IActionModel.js";
 import {createBackgroundModel, IBackgroundModel} from "../../internal/models/createBackgroundModel.js";
 import {createBackgroundFromModel} from "../../internal/models/createBackgroundFromModel.js";
 import {ResizeSimpleAction} from "./ResizeSimpleAction.js";
+import {IGravity} from "../../qualifiers/gravity/GravityQualifier.js";
 
 /**
  * @description Tries to prevent a "bad crop" by first attempting to use the auto cropping mode, but adding some padding if the algorithm determines that more of the original image needs to be included in the final image.
@@ -28,6 +29,12 @@ class ResizeAutoPadAction extends ResizeSimpleAction {
     return this.addQualifier(backgroundQualifier);
   }
 
+  gravity(gravity: IGravity): this {
+    // Only `auto` gravity is allowed (and required) for `c_auto_pad` and it's already added automatically in the constructor.
+    // Although, this method is needed to exist because it is being shown in autogenerated SDK code snippet.
+    return this;
+  }
+
   static fromJson(actionModel: IActionModel): ResizeAutoPadAction {
     const result = super.fromJson.apply(this, [actionModel]);
     actionModel.background && result.background(createBackgroundFromModel(actionModel.background as IBackgroundModel));