aico-image-editor/src/history/addCommand.js

Combine multiple image into and create single combined image

/**
 * AddCommand for undoing adding of object
 * 
 */
export class AddCommand {
    constructor(object, canvas) {
      this.object = object;
      this.canvas = canvas;
    }
    execute() {
      this.object.removedViaHistory = false;
      this.object.addedViaHistory = true;
      this.object.commandName = this.constructor.name;
      this.canvas.add(this.object);
    }
    undo() {
      this.object.removedViaHistory = true;
      this.object.addedViaHistory = false;
      this.canvas.remove(this.object);
    }
}