Fix generated ESM module (#301)

Author: MatthijsBurgh

.babelrc

@@ -12,7 +12,8 @@
         ]
       ],
       "plugins": [
-        "@babel/plugin-proposal-class-properties"
+        "@babel/plugin-proposal-class-properties",
+        "@babel/plugin-transform-classes"
       ]
     },
     "esm": {
@@ -28,7 +29,8 @@
         ]
       ],
       "plugins": [
-        "@babel/plugin-proposal-class-properties"
+        "@babel/plugin-proposal-class-properties",
+        "@babel/plugin-transform-classes"
       ]
     },
     "test": {
@@ -44,6 +46,7 @@
       ],
       "plugins": [
         "@babel/plugin-proposal-class-properties",
+        "@babel/plugin-transform-classes",
         "istanbul"
       ]
     }

lib/body.js

@@ -51,7 +51,7 @@ class Body {
       this.defaultConfigurations.arm = parameter_.arm.default_configurations;
       this.defaultConfigurations.leftArm = parameter_.arm.default_configurations;
       this.defaultConfigurations.rightArm = parameter_.arm.default_configurations;
-    }).bind(this);
+    });
 
     // Define the gripper action
     this.leftGripperAction = new ActionClient({

package-lock.json

@@ -45,6 +45,7 @@
     "@babel/core": "^7.18.0",
     "@babel/eslint-parser": "^7.18.2",
     "@babel/plugin-proposal-class-properties": "^7.17.12",
+    "@babel/plugin-transform-classes": "^7.17.12",
     "@babel/preset-env": "^7.18.0",
     "@babel/register": "^7.17.0",
     "babel-plugin-istanbul": "^6.1.1",