webpack tree shaking to the test

preserved.js

// index.js
import { foo } from './module-tree-shaking.js';
foo();

// module-tree-shaking.js
export const foo = function foo() {
    bar();
};

export const bar = function bar() {
    console.log('bar');
};

// result
webpackJsonp([1, 2], {
 GO9H: function(n, e, t) {
  "use strict";
  t.d(e, "a", function() {
   return o
  });
  var o = function() {
    c()
   },
   c = function() {
    console.log("bar")
   }
 },
 lVK7: function(n, e, t) {
  "use strict";
  Object.defineProperty(e, "__esModule", {
   value: !0
  });
  var o = t("GO9H");
  t.i(o.a)()
 }
}, ["lVK7"]);
//# sourceMappingURL=app.4d3f37edbaf954d8f825.prod.js.map

tree-shaked.js

// index.js
import { foo } from './module-tree-shaking.js';
foo();

// module-tree-shaking.js
export const foo = function foo() {
    console.log('foo');
};

export const bar = function bar() {
    console.log('bar');
};

// result
webpackJsonp([1, 2], {
 GO9H: function(e, n, o) {
  "use strict";
  o.d(n, "a", function() {
   return t
  });
  var t = function() {
   console.log("foo")
  }
 },
 lVK7: function(e, n, o) {
  "use strict";
  Object.defineProperty(n, "__esModule", {
   value: !0
  });
  var t = o("GO9H");
  o.i(t.a)()
 }
}, ["lVK7"]);
//# sourceMappingURL=app.2ebeccafd391592cc613.prod.js.map