[Dev] Enable Biome checking of pokemon.ts (#5720)

* [Dev] Enable biome parsing of `pokemon.ts`

* Apply unsafe fixes

* Add + apply rule disallowing the use of the `integer` type alias

* Fix typo in comment; remove unnecessary `!!`

* Re-apply Biome after merge

* Re-apply Biome "unsafe" fixes after merge

* Fix import

* Add comment to `getFusionIconAtlasKey` too

biome.jsonc

@@ -32,7 +32,6 @@
       // TODO: these files are too big and complex, ignore them until their respective refactors
       "src/data/moves/move.ts",
       "src/data/abilities/ability.ts",
-      "src/field/pokemon.ts",
 
       // this file is just too big:
       "src/data/balance/tms.ts"
@@ -92,6 +91,19 @@
         "noUselessSwitchCase": "off", // Explicit > Implicit
         "noUselessConstructor": "warn", // TODO: Refactor and make this an error
         "noBannedTypes": "warn" // TODO: Refactor and make this an error
+      },
+      "nursery": {
+        "noRestrictedTypes": {
+          "level": "error",
+          "options": {
+            "types": {
+              "integer": {
+                "message": "This is an alias for 'number' that can provide false impressions of what values can actually be contained in this variable. Use 'number' instead.",
+                "use": "number"
+              }
+            }
+          }
+        }
       }
     }
   },

src/data/mystery-encounters/encounters/the-pokemon-salesman-encounter.ts

@@ -3,7 +3,7 @@ import {
   transitionMysteryEncounterIntroVisuals,
   updatePlayerMoney,
 } from "#app/data/mystery-encounters/utils/encounter-phase-utils";
-import { isNullOrUndefined, NumberHolder, randSeedInt, randSeedItem } from "#app/utils/common";
+import { isNullOrUndefined, randSeedInt, randSeedItem } from "#app/utils/common";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { globalScene } from "#app/global-scene";
 import type MysteryEncounter from "#app/data/mystery-encounters/mystery-encounter";
@@ -88,7 +88,7 @@ export const ThePokemonSalesmanEncounter: MysteryEncounter = MysteryEncounterBui
 
     const r = randSeedInt(SHINY_MAGIKARP_WEIGHT);
 
-    let validEventEncounters = timedEventManager
+    const validEventEncounters = timedEventManager
       .getEventEncounters()
       .filter(
         s =>
@@ -111,22 +111,26 @@ export const ThePokemonSalesmanEncounter: MysteryEncounter = MysteryEncounterBui
     if (
       r === 0 ||
       ((isNullOrUndefined(species.abilityHidden) || species.abilityHidden === Abilities.NONE) &&
-        (validEventEncounters.length === 0))
+        validEventEncounters.length === 0)
     ) {
       // If you roll 1%, give shiny Magikarp with random variant
       species = getPokemonSpecies(Species.MAGIKARP);
       pokemon = new PlayerPokemon(species, 5, 2, undefined, undefined, true);
-    }
+    } else if (
-    else if (
+      validEventEncounters.length > 0 &&
-      (validEventEncounters.length > 0 && (r <= EVENT_THRESHOLD ||
+      (r <= EVENT_THRESHOLD || isNullOrUndefined(species.abilityHidden) || species.abilityHidden === Abilities.NONE)
-      (isNullOrUndefined(species.abilityHidden) || species.abilityHidden === Abilities.NONE)))
     ) {
       tries = 0;
       do {
         // If you roll 20%, give event encounter with 3 extra shiny rolls and its HA, if it has one
         const enc = randSeedItem(validEventEncounters);
         species = getPokemonSpecies(enc.species);
-        pokemon = new PlayerPokemon(species, 5, species.abilityHidden === Abilities.NONE ? undefined : 2, enc.formIndex);
+        pokemon = new PlayerPokemon(
+          species,
+          5,
+          species.abilityHidden === Abilities.NONE ? undefined : 2,
+          enc.formIndex,
+        );
         pokemon.trySetShinySeed();
         pokemon.trySetShinySeed();
         pokemon.trySetShinySeed();
@@ -145,15 +149,13 @@ export const ThePokemonSalesmanEncounter: MysteryEncounter = MysteryEncounterBui
           pokemon.trySetShinySeed();
           pokemon.trySetShinySeed();
           pokemon.trySetShinySeed();
-        }
+        } else {
-        else {
           // If there's, and this would never happen, no eligible event encounters with a hidden ability, just do Magikarp
           species = getPokemonSpecies(Species.MAGIKARP);
           pokemon = new PlayerPokemon(species, 5, 2, undefined, undefined, true);
         }
       }
-    }
+    } else {
-    else {
       pokemon = new PlayerPokemon(species, 5, 2, species.formIndex);
     }
     pokemon.generateAndPopulateMoveset();

src/data/trainers/TrainerPartyTemplate.ts

@@ -224,16 +224,16 @@ export const trainerPartyTemplates = {
  */
 export function getEvilGruntPartyTemplate(): TrainerPartyTemplate {
   const waveIndex = globalScene.currentBattle?.waveIndex;
-  if (waveIndex <= ClassicFixedBossWaves.EVIL_GRUNT_1){
+  if (waveIndex <= ClassicFixedBossWaves.EVIL_GRUNT_1) {
     return trainerPartyTemplates.TWO_AVG;
   }
-  if (waveIndex <= ClassicFixedBossWaves.EVIL_GRUNT_2){
+  if (waveIndex <= ClassicFixedBossWaves.EVIL_GRUNT_2) {
     return trainerPartyTemplates.THREE_AVG;
   }
-  if (waveIndex <= ClassicFixedBossWaves.EVIL_GRUNT_3){
+  if (waveIndex <= ClassicFixedBossWaves.EVIL_GRUNT_3) {
     return trainerPartyTemplates.TWO_AVG_ONE_STRONG;
   }
-  if (waveIndex <= ClassicFixedBossWaves.EVIL_ADMIN_1){
+  if (waveIndex <= ClassicFixedBossWaves.EVIL_ADMIN_1) {
     return trainerPartyTemplates.GYM_LEADER_4; // 3avg 1 strong 1 stronger
   }
   return trainerPartyTemplates.GYM_LEADER_5; // 3 avg 2 strong 1 stronger
@@ -251,7 +251,7 @@ export function getGymLeaderPartyTemplate() {
   switch (gameMode.modeId) {
     case GameModes.DAILY:
       if (currentBattle?.waveIndex <= 20) {
-        return trainerPartyTemplates.GYM_LEADER_2
+        return trainerPartyTemplates.GYM_LEADER_2;
       }
       return trainerPartyTemplates.GYM_LEADER_3;
     case GameModes.CHALLENGE: // In the future, there may be a ChallengeType to call here. For now, use classic's.
@@ -259,13 +259,15 @@ export function getGymLeaderPartyTemplate() {
       if (currentBattle?.waveIndex <= 20) {
         return trainerPartyTemplates.GYM_LEADER_1; // 1 avg 1 strong
       }
-      else if (currentBattle?.waveIndex <= 30) {
+      if (currentBattle?.waveIndex <= 30) {
         return trainerPartyTemplates.GYM_LEADER_2; // 1 avg 1 strong 1 stronger
       }
-      else if (currentBattle?.waveIndex <= 60) { // 50 and 60
+      // 50 and 60
+      if (currentBattle?.waveIndex <= 60) {
         return trainerPartyTemplates.GYM_LEADER_3; // 2 avg 1 strong 1 stronger
       }
-      else if (currentBattle?.waveIndex <= 90) { // 80 and 90
+      // 80 and 90
+      if (currentBattle?.waveIndex <= 90) {
         return trainerPartyTemplates.GYM_LEADER_4; // 3 avg 1 strong 1 stronger
       }
       // 110+

src/phases/revival-blessing-phase.ts

@@ -24,7 +24,7 @@ export class RevivalBlessingPhase extends BattlePhase {
       UiMode.PARTY,
       PartyUiMode.REVIVAL_BLESSING,
       this.user.getFieldIndex(),
-      (slotIndex: integer, _option: PartyOption) => {
+      (slotIndex: number, _option: PartyOption) => {
         if (slotIndex >= 0 && slotIndex < 6) {
           const pokemon = globalScene.getPlayerParty()[slotIndex];
           if (!pokemon || !pokemon.isFainted()) {