feat(Module Federation): Add a shared parameter for MF config factory.

The shared parameter allows to directly provide the shared object for the Webpack Module Federation Plugin.
It extends generated shared definitions from the dependencies object and will overwrite existing entries.

Author: thet

webpack/webpack.mf.js

@@ -37,9 +37,16 @@ function shared_from_dependencies(...dependencies) {
  * @param {String} remote_entry - Path to which the new remote entry file is written to.
  * @param {String} filename - Name of the generated remote entry file. Default ``remote.min.js``.
  * @param {Object} dependencies - Object with dependency name - version specifier pairs. Is used to set up the shared dependencies including their version requirements.
+ * @param {Object} shared - Directly provide the shared object for the Webpack Module Federation Plugin. Extends generated shared definitions from the dependencies object and will overwrite existing entries.
  * @returns {Object} - Webpack config partial with instantiated module federation plugins.
  */
-function config({ name, remote_entry, filename = "remote.min.js", dependencies = {} }) {
+function config({
+    name,
+    remote_entry,
+    filename = "remote.min.js",
+    dependencies = {},
+    shared = {},
+}) {
     // Create a JS-variable compatible name and add a prefix.
     const normalized_bundle_name =
         MF_NAME_PREFIX + name.match(/([_$A-Za-z0-9])/g).join("");
@@ -52,7 +59,10 @@ function config({ name, remote_entry, filename = "remote.min.js", dependencies =
                 "./main": remote_entry,
             },
         }),
-        shared: shared_from_dependencies(dependencies),
+        shared: {
+            ...shared_from_dependencies(dependencies),
+            ...shared,
+        },
     });
 }