fix(MasterBenchOption): add meta mods options to applicable options

CHANGELOG.md

@@ -13,6 +13,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
   These files were always supposed to match interfaces in `schema`. Every
   json file has a corresponding type in `schema` e.g. ´data/items.json` is of 
   type `schema.Items`. ([#72](https://github.com/eps1lon/poe-mods/pull/72))
+### Fixed
+- Fixed master meta mods not being applicable to items.
+  ([#77](https://github.com/eps1lon/poe-mods/pull/77))
 
 ## [1.11.0](https://github.com/eps1lon/poe-mods/compare/v1.10.0...v1.11.0) (2018-06-31)
 ### Added

src/generators/MasterBenchOption.ts

@@ -72,7 +72,7 @@ export default class MasterBenchOption extends Generator<Mod, Item> {
   }
 
   /**
-   * every item is welcome
+   * Can accept only certain itemclasses
    */
   public applicableTo(item: Item): ApplicableFlags {
     const applicable_flags = {
@@ -81,6 +81,8 @@ export default class MasterBenchOption extends Generator<Mod, Item> {
     const { item_classes } = this.props;
 
     applicable_flags.wrong_itemclass =
+      // no item classes means every item is welcome
+      item_classes.length > 0 &&
       item_classes.find(
         item_class => item_class === item.baseitem.item_class,
       ) === undefined;