var -> const in require statements, use arrow function in define requ…

…ire call, phetsims/tasks#1010
phetsims · Sep 19, 2019 · d72fc95 · d72fc95
1 parent 3a0489b
commit d72fc95
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diff --git a/js/common/GEEConstants.js b/js/common/GEEConstants.js
@@ -7,14 +7,14 @@
  * @author John Blanco
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // imports
-  var Color = require( 'SCENERY/util/Color' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var ModelViewTransform2 = require( 'PHETCOMMON/view/ModelViewTransform2' );
-  var Vector2 = require( 'DOT/Vector2' );
+  const Color = require( 'SCENERY/util/Color' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const ModelViewTransform2 = require( 'PHETCOMMON/view/ModelViewTransform2' );
+  const Vector2 = require( 'DOT/Vector2' );
 
   // constants
   var LENGTH_PER_TWIST = 340;// In picometers

diff --git a/js/common/GEEQueryParameters.js b/js/common/GEEQueryParameters.js
@@ -5,11 +5,11 @@
  *
  * @author John Blanco
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
 
   var GEEQueryParameters = QueryStringMachine.getAll( {
 

diff --git a/js/common/model/AttachmentSite.js b/js/common/model/AttachmentSite.js
@@ -9,15 +9,15 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var NumberProperty = require( 'AXON/NumberProperty' );
-  var Property = require( 'AXON/Property' );
-  var Range = require( 'DOT/Range' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const NumberProperty = require( 'AXON/NumberProperty' );
+  const Property = require( 'AXON/Property' );
+  const Range = require( 'DOT/Range' );
 
   // constants
   var ATTACHED_THRESHOLD = 10; // Threshold used to decide whether or not a biomolecule is attached, in picometers.

diff --git a/js/common/model/BasePair.js b/js/common/model/BasePair.js
@@ -14,12 +14,12 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
 
   // constants
   var BASE_PAIR_WIDTH = 13; // In picometers.  Not sure if this is close to real life, chosen to look decent in view.

diff --git a/js/common/model/BioShapeUtils.js b/js/common/model/BioShapeUtils.js
@@ -9,16 +9,16 @@
  * @author John Blanco
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var Matrix3 = require( 'DOT/Matrix3' );
-  var Random = require( 'DOT/Random' );
-  var Shape = require( 'KITE/Shape' );
-  var ShapeUtils = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeUtils' );
-  var Vector2 = require( 'DOT/Vector2' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const Matrix3 = require( 'DOT/Matrix3' );
+  const Random = require( 'DOT/Random' );
+  const Shape = require( 'KITE/Shape' );
+  const ShapeUtils = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeUtils' );
+  const Vector2 = require( 'DOT/Vector2' );
 
   var BioShapeUtils = {
     /**

diff --git a/js/common/model/DnaMolecule.js b/js/common/model/DnaMolecule.js
@@ -13,20 +13,20 @@
  * @author John Blanco
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var AttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/AttachmentSite' );
-  var BasePair = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/BasePair' );
-  var DnaStrandPoint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/DnaStrandPoint' );
-  var GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var Range = require( 'DOT/Range' );
-  var StubGeneExpressionModel = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/StubGeneExpressionModel' );
-  var Util = require( 'DOT/Util' );
-  var Vector2 = require( 'DOT/Vector2' );
+  const AttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/AttachmentSite' );
+  const BasePair = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/BasePair' );
+  const DnaStrandPoint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/DnaStrandPoint' );
+  const GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const Range = require( 'DOT/Range' );
+  const StubGeneExpressionModel = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/StubGeneExpressionModel' );
+  const Util = require( 'DOT/Util' );
+  const Vector2 = require( 'DOT/Vector2' );
 
   // constants
 

diff --git a/js/common/model/DnaSeparation.js b/js/common/model/DnaSeparation.js
@@ -7,12 +7,12 @@
  * @author John Blanco
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   //modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
 
   /**
    *

diff --git a/js/common/model/DnaStrandPoint.js b/js/common/model/DnaStrandPoint.js
@@ -8,12 +8,12 @@
  * @author John Blanco
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
 
   /**
    * @param {number} xPos

diff --git a/js/common/model/FlatSegment.js b/js/common/model/FlatSegment.js
@@ -7,15 +7,15 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var ShapeSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeSegment' );
-  var SquareSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/SquareSegment' );
+  const GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const ShapeSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeSegment' );
+  const SquareSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/SquareSegment' );
 
   /**
    * @param {Object} owner

diff --git a/js/common/model/Gene.js b/js/common/model/Gene.js
@@ -10,22 +10,22 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var AttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/AttachmentSite' );
-  var GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var PlacementHint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/PlacementHint' );
-  var Property = require( 'AXON/Property' );
-  var RnaPolymerase = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/RnaPolymerase' );
-  var StubGeneExpressionModel = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/StubGeneExpressionModel' );
-  var TranscriptionFactor = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactor' );
-  var TranscriptionFactorAttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactorAttachmentSite' );
-  var TranscriptionFactorPlacementHint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactorPlacementHint' );
-  var Vector2 = require( 'DOT/Vector2' );
+  const AttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/AttachmentSite' );
+  const GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const PlacementHint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/PlacementHint' );
+  const Property = require( 'AXON/Property' );
+  const RnaPolymerase = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/RnaPolymerase' );
+  const StubGeneExpressionModel = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/StubGeneExpressionModel' );
+  const TranscriptionFactor = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactor' );
+  const TranscriptionFactorAttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactorAttachmentSite' );
+  const TranscriptionFactorPlacementHint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactorPlacementHint' );
+  const Vector2 = require( 'DOT/Vector2' );
 
   /**
    * @param {DnaMolecule} dnaMolecule - The DNA molecule within which this gene exists.

diff --git a/js/common/model/GeneA.js b/js/common/model/GeneA.js
@@ -7,17 +7,17 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var Color = require( 'SCENERY/util/Color' );
-  var Gene = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/Gene' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var ProteinA = require( 'GENE_EXPRESSION_ESSENTIALS/manual-gene-expression/model/ProteinA' );
-  var Range = require( 'DOT/Range' );
-  var TranscriptionFactor = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactor' );
+  const Color = require( 'SCENERY/util/Color' );
+  const Gene = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/Gene' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const ProteinA = require( 'GENE_EXPRESSION_ESSENTIALS/manual-gene-expression/model/ProteinA' );
+  const Range = require( 'DOT/Range' );
+  const TranscriptionFactor = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/TranscriptionFactor' );
 
   // constants
   var REGULATORY_REGION_COLOR = new Color( 216, 191, 216 );

diff --git a/js/common/model/GeneExpressionModel.js b/js/common/model/GeneExpressionModel.js
@@ -6,12 +6,12 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   //modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
 
   /**
    * @abstract

diff --git a/js/common/model/MessengerRna.js b/js/common/model/MessengerRna.js
@@ -8,23 +8,23 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var AttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/AttachmentSite' );
-  var BooleanProperty = require( 'AXON/BooleanProperty' );
-  var FlatSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/FlatSegment' );
-  var GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var MessengerRnaAttachmentStateMachine = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/attachment-state-machines/MessengerRnaAttachmentStateMachine' );
-  var MessengerRnaDestroyer = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/MessengerRnaDestroyer' );
-  var PlacementHint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/PlacementHint' );
-  var Ribosome = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/Ribosome' );
-  var Shape = require( 'KITE/Shape' );
-  var Vector2 = require( 'DOT/Vector2' );
-  var WindingBiomolecule = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/WindingBiomolecule' );
+  const AttachmentSite = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/AttachmentSite' );
+  const BooleanProperty = require( 'AXON/BooleanProperty' );
+  const FlatSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/FlatSegment' );
+  const GEEConstants = require( 'GENE_EXPRESSION_ESSENTIALS/common/GEEConstants' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const MessengerRnaAttachmentStateMachine = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/attachment-state-machines/MessengerRnaAttachmentStateMachine' );
+  const MessengerRnaDestroyer = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/MessengerRnaDestroyer' );
+  const PlacementHint = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/PlacementHint' );
+  const Ribosome = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/Ribosome' );
+  const Shape = require( 'KITE/Shape' );
+  const Vector2 = require( 'DOT/Vector2' );
+  const WindingBiomolecule = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/WindingBiomolecule' );
 
   // constants
   var RIBOSOME_CONNECTION_DISTANCE = 400; // picometers - distance within which this will connect to a ribosome

diff --git a/js/common/model/MessengerRnaDestroyer.js b/js/common/model/MessengerRnaDestroyer.js
@@ -7,17 +7,17 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var Color = require( 'SCENERY/util/Color' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var MobileBiomolecule = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/MobileBiomolecule' );
-  var MRnaDestroyerAttachmentStateMachine = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/attachment-state-machines/MRnaDestroyerAttachmentStateMachine' );
-  var Shape = require( 'KITE/Shape' );
-  var Vector2 = require( 'DOT/Vector2' );
+  const Color = require( 'SCENERY/util/Color' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const MobileBiomolecule = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/MobileBiomolecule' );
+  const MRnaDestroyerAttachmentStateMachine = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/attachment-state-machines/MRnaDestroyerAttachmentStateMachine' );
+  const Shape = require( 'KITE/Shape' );
+  const Vector2 = require( 'DOT/Vector2' );
 
   // constants
   var WIDTH = 250;   // In nanometers.

diff --git a/js/common/model/MessengerRnaFragment.js b/js/common/model/MessengerRnaFragment.js
@@ -8,16 +8,16 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var MessengerRnaFragmentAttachmentStateMachine = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/attachment-state-machines/MessengerRnaFragmentAttachmentStateMachine' );
-  var Shape = require( 'KITE/Shape' );
-  var SquareSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/SquareSegment' );
-  var WindingBiomolecule = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/WindingBiomolecule' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const MessengerRnaFragmentAttachmentStateMachine = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/attachment-state-machines/MessengerRnaFragmentAttachmentStateMachine' );
+  const Shape = require( 'KITE/Shape' );
+  const SquareSegment = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/SquareSegment' );
+  const WindingBiomolecule = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/WindingBiomolecule' );
 
   // constants
   var MRNA_WINDING_ALGORITHMS = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];

diff --git a/js/common/model/MobileBiomolecule.js b/js/common/model/MobileBiomolecule.js
@@ -10,19 +10,19 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   //modules
-  var BooleanProperty = require( 'AXON/BooleanProperty' );
-  var Color = require( 'SCENERY/util/Color' );
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var MotionBounds = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/motion-strategies/MotionBounds' );
-  var Property = require( 'AXON/Property' );
-  var ShapeChangingModelElement = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeChangingModelElement' );
-  var Vector2 = require( 'DOT/Vector2' );
-  var Vector3 = require( 'DOT/Vector3' );
+  const BooleanProperty = require( 'AXON/BooleanProperty' );
+  const Color = require( 'SCENERY/util/Color' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const MotionBounds = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/motion-strategies/MotionBounds' );
+  const Property = require( 'AXON/Property' );
+  const ShapeChangingModelElement = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeChangingModelElement' );
+  const Vector2 = require( 'DOT/Vector2' );
+  const Vector3 = require( 'DOT/Vector3' );
 
   /**
    * @param {GeneExpressionModel} model

diff --git a/js/common/model/PlacementHint.js b/js/common/model/PlacementHint.js
@@ -8,14 +8,14 @@
  * @author Mohamed Safi
  * @author Aadish Gupta
  */
-define( function( require ) {
+define( require => {
   'use strict';
 
   // modules
-  var geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var Property = require( 'AXON/Property' );
-  var ShapeChangingModelElement = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeChangingModelElement' );
+  const geneExpressionEssentials = require( 'GENE_EXPRESSION_ESSENTIALS/geneExpressionEssentials' );
+  const inherit = require( 'PHET_CORE/inherit' );
+  const Property = require( 'AXON/Property' );
+  const ShapeChangingModelElement = require( 'GENE_EXPRESSION_ESSENTIALS/common/model/ShapeChangingModelElement' );
 
   /**
    *