New source found from dndbeyond.com

ddb_main/packages/rules-engine/es/engine/Modifier/constants.js

@@ -220,6 +220,13 @@ export var ModifierSubTypeEnum;
     // Warlock Feature
     ModifierSubTypeEnum["ENABLE_PACT_WEAPON"] = "enable-pact-weapon";
     ModifierSubTypeEnum["ENABLE_HEX_WEAPON"] = "enable-hex-weapon";
+    // Enable Feature (used in tandem with REPLACE_WEAPON_ABILITY modifier)
+    ModifierSubTypeEnum["ENABLE_STRENGTH"] = "enable-strength";
+    ModifierSubTypeEnum["ENABLE_DEXTERITY"] = "enable-dexterity";
+    ModifierSubTypeEnum["ENABLE_CONSTITUTION"] = "enable-constitution";
+    ModifierSubTypeEnum["ENABLE_INTELLIGENCE"] = "enable-intelligence";
+    ModifierSubTypeEnum["ENABLE_WISDOM"] = "enable-wisdom";
+    ModifierSubTypeEnum["ENABLE_CHARISMA"] = "enable-charisma";
 })(ModifierSubTypeEnum || (ModifierSubTypeEnum = {}));
 export const SIZE_LIST = [
     ModifierSubTypeEnum.GARGANTUAN,
@@ -269,10 +276,7 @@ export const HEAVY_ARMOR_LIST = [
     ModifierSubTypeEnum.POWERED_ARMOR,
     ModifierSubTypeEnum.DIVERS_ARMOR,
 ];
-export const SHIELDS_LIST = [
-    ModifierSubTypeEnum.SHIELD,
-    ModifierSubTypeEnum.POT_LID,
-];
+export const SHIELDS_LIST = [ModifierSubTypeEnum.SHIELD, ModifierSubTypeEnum.POT_LID];
 export const ALL_ARMOR_LIST = [
     ...LIGHT_ARMOR_LIST,
     ...MEDIUM_ARMOR_LIST,

ddb_main/packages/rules-engine/es/engine/Modifier/validators.js

@@ -306,6 +306,23 @@ export function isEnableHexWeaponModifier(modifier) {
     return (getType(modifier) === ModifierTypeEnum.ENABLE_FEATURE &&
         getSubType(modifier) === ModifierSubTypeEnum.ENABLE_HEX_WEAPON);
 }
+export function isEnablesAbilityStatModifier(modifier) {
+    if (getType(modifier) !== ModifierTypeEnum.ENABLE_FEATURE) {
+        return false;
+    }
+    const subType = getSubType(modifier);
+    switch (subType) {
+        case ModifierSubTypeEnum.ENABLE_STRENGTH:
+        case ModifierSubTypeEnum.ENABLE_DEXTERITY:
+        case ModifierSubTypeEnum.ENABLE_CONSTITUTION:
+        case ModifierSubTypeEnum.ENABLE_INTELLIGENCE:
+        case ModifierSubTypeEnum.ENABLE_WISDOM:
+        case ModifierSubTypeEnum.ENABLE_CHARISMA:
+            return true;
+        default:
+            return false;
+    }
+}
 /**
  *
  * @param modifier