Add stats mapper to show certain synthetic props in ModificationsMenu

src/app/components/ModificationsMenu.jsx

@@ -11,6 +11,7 @@ import {
 } from '../utils/BlueprintFunctions';
 import { getBlueprintInfo, getExperimentalInfo } from 'ed-forge/lib/data/blueprints';
 import { getModuleInfo } from 'ed-forge/lib/data/items';
+import { SHOW } from '../shipyard/StatsMapping';
 
 /**
  * Modifications menu
@@ -149,12 +150,10 @@ export default class ModificationsMenu extends TranslatedComponent {
 
     let onSet = m.set.bind(m);
     // Show resistance instead of effectiveness
-    if (property.endsWith('effectiveness')) {
-      const oldProperty = property;
-      property = property.replace('effectiveness', 'resistance');
-      onSet = (_, v) => {
-        m.set(oldProperty, 1 - v / 100);
-      };
+    const mapped = SHOW[property];
+    if (mapped) {
+      property = mapped.as;
+      onSet = mapped.setter.bind(undefined, m);
     }
 
     return <Modification key={property} m={m} property={property}

src/app/shipyard/StatsMapping.js

@@ -0,0 +1,33 @@
+import { Module } from 'ed-forge';
+
+/**
+ * Sets a resistance value of a module as
+ * @param {Module} module Module to set the property
+ * @param {string} prop Property name; must end with 'resistance'
+ * @param {number} val Resistance value to set
+ */
+function setterResToEff(module, prop, val) {
+  module.set(
+    prop.replace('resistance', 'effectiveness'),
+    1 - val / 100,
+  );
+}
+
+export const SHOW = {
+  causticeffectiveness: {
+    as: 'causticresistance',
+    setter: setterResToEff,
+  },
+  explosiveeffectiveness: {
+    as: 'explosiveresistance',
+    setter: setterResToEff,
+  },
+  kineticeffectiveness: {
+    as: 'kineticresistance',
+    setter: setterResToEff,
+  },
+  thermiceffectiveness: {
+    as: 'thermicresistance',
+    setter: setterResToEff,
+  },
+};