Refactor gravity types (#476)

Author: Nir Maoz

src/actions/resize/ResizeAdvancedAction.ts

@@ -1,5 +1,5 @@
 import {ResizeSimpleAction} from "./ResizeSimpleAction.js";
-import {IGravity, IShortenGravity} from "../../qualifiers/gravity/GravityQualifier.js";
+import {IGravity} from "../../qualifiers/gravity/GravityQualifier.js";
 import {Qualifier} from "../../internal/qualifier/Qualifier.js";
 import {IActionModel} from "../../internal/models/IActionModel.js";
 import {createGravityModel} from "../../internal/models/createGravityModel.js";
@@ -15,7 +15,7 @@ class ResizeAdvancedAction extends ResizeSimpleAction {
    * @description Which part of the original image to include.
    * @param {Qualifiers.Gravity} gravity
    */
-  gravity(gravity: IGravity | IShortenGravity): this {
+  gravity(gravity: IGravity): this {
     this._actionModel.gravity = createGravityModel(gravity);
     const gravityQualifier = typeof gravity === "string" ? new Qualifier('g', gravity) : gravity;
 

src/internal/models/createGravityModel.ts

@@ -1,4 +1,4 @@
-import {IGravity, IShortenGravity} from "../../qualifiers/gravity/GravityQualifier.js";
+import {IGravity} from "../../qualifiers/gravity/GravityQualifier.js";
 import {ICompassGravity, isICompassGravity} from "../../qualifiers/gravity/compassGravity/CompassGravity.js";
 
 export interface IGravityModel{
@@ -24,7 +24,7 @@ function createCompassGravityModel(compass: ICompassGravity): ICompassGravityMod
  * Create a model of given gravity
  * @param gravity
  */
-export function createGravityModel(gravity: IGravity | IShortenGravity): ICompassGravityModel | string {
+export function createGravityModel(gravity: IGravity): ICompassGravityModel | string {
   const gravityString = (typeof gravity === "string" ? gravity : (gravity).qualifierValue) as string;
 
   if (isICompassGravity(gravityString)) {

src/qualifiers/gravity/GravityQualifier.ts

@@ -8,9 +8,9 @@ import {AutoFocus} from "../autoFocus.js";
 import {CompassQualifier} from "./qualifiers/compass/CompassQualifier.js";
 import {XYCenterGravity} from "./xyCenterGravity/XYCenterGravity.js";
 
-export type IGravity = CompassGravity | AutoGravity | FocusOnGravity | XYCenterGravity;
+export type IGravityString = 'auto' | ICompassGravity;
+export type IGravity = CompassGravity | AutoGravity | FocusOnGravity | XYCenterGravity | IGravityString;
 export type IGravityValue = CompassQualifier | FocusOnValue | AutoFocus;
-export type IShortenGravity = 'auto' | ICompassGravity;
 
 /**
  * @memberOf Gravity.GravityQualifier