convert _.extend to PHET_CORE/merge, phetsims/phet-core#71

phetsims · Apr 1, 2020 · 1bb172a · 1bb172a
1 parent f09ed79
commit 1bb172a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/js/common/model/NumberLine.js b/js/common/model/NumberLine.js
@@ -13,6 +13,7 @@ define( require => {
   // modules
   const BooleanProperty = require( 'AXON/BooleanProperty' );
   const Bounds2 = require( 'DOT/Bounds2' );
+  const merge = require( 'PHET_CORE/merge' );
   const numberLineIntegers = require( 'NUMBER_LINE_INTEGERS/numberLineIntegers' );
   const NumberLineOrientation = require( 'NUMBER_LINE_INTEGERS/common/model/NumberLineOrientation' );
   const NumberLinePoint = require( 'NUMBER_LINE_INTEGERS/common/model/NumberLinePoint' );
@@ -43,7 +44,7 @@ define( require => {
      */
     constructor( zeroPosition, options ) {
 
-      options = _.extend( {
+      options = merge( {
 
         // {string} - whether the number line is initially oriented in the horizontal or vertical direction
         initialOrientation: NumberLineOrientation.HORIZONTAL,