Use Object.assign

src/ol/obj.js

@@ -2,37 +2,6 @@
  * @module ol/obj
  */
 
-/**
- * Polyfill for Object.assign().  Assigns enumerable and own properties from
- * one or more source objects to a target object.
- * See https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign.
- *
- * @param {!Object} target The target object.
- * @param {...Object} var_sources The source object(s).
- * @return {!Object} The modified target object.
- */
-export const assign =
-  typeof Object.assign === 'function'
-    ? Object.assign
-    : function (target, var_sources) {
-        if (target === undefined || target === null) {
-          throw new TypeError('Cannot convert undefined or null to object');
-        }
-
-        const output = Object(target);
-        for (let i = 1, ii = arguments.length; i < ii; ++i) {
-          const source = arguments[i];
-          if (source !== undefined && source !== null) {
-            for (const key in source) {
-              if (source.hasOwnProperty(key)) {
-                output[key] = source[key];
-              }
-            }
-          }
-        }
-        return output;
-      };
-
 /**
  * Removes all properties from an object.
  * @param {Object} object The object to clear.