ddd

shared-contracts.js

@@ -0,0 +1,57 @@
+'use strict';
+(function attachSharedContracts(root,factory){
+  const api=factory();
+  if(typeof module==='object'&&module.exports)module.exports=api;
+  if(root)root.BendSharedContracts=api;
+})(typeof globalThis!=='undefined'?globalThis:this,()=>{
+  const BOARD_ID_RE=/^B(?:0|[1-9][0-9]*)$/;
+  const CONTRACT_ID_RE=/^[A-Za-z0-9:_-]+$/;
+  const SPECIAL_MECHANIC_TYPES=Object.freeze(['warp','lock','crossing','internalGate']);
+  const SPECIAL_MECHANIC_SET=new Set(SPECIAL_MECHANIC_TYPES);
+  const DEFAULT_BUYER='\u65c5\u4eba';
+
+  function cleanContractId(value,maxLength=64){
+    const text=String(value||'').trim();
+    return text&&text.length<=maxLength&&CONTRACT_ID_RE.test(text)?text:'';
+  }
+
+  function cleanPlayerName(value,fallback=DEFAULT_BUYER){
+    const name=String(value||'').replace(/[\u0000-\u001f\u007f]/g,'').replace(/\s+/g,' ').trim().slice(0,24);
+    return name||fallback;
+  }
+
+  function normalizeSpecialMechanics(raw){
+    return[...new Set((Array.isArray(raw)?raw:[]).filter(type=>SPECIAL_MECHANIC_SET.has(type)))].sort();
+  }
+
+  function normalizePlayerPurchases(raw,{resolveItem=id=>({id}),maxPurchases=10000,maxPaidCost=Number.MAX_SAFE_INTEGER,defaultBuyer=DEFAULT_BUYER}={}){
+    const purchases=[],seenIds=new Set(),seenStoreItems=new Set();
+    for(const source of Array.isArray(raw)?raw:[]){
+      if(purchases.length>=maxPurchases)break;
+      const purchaseId=cleanContractId(source?.purchaseId,64),boardId=cleanContractId(source?.boardId,32),item=resolveItem(String(source?.itemId||'')),
+        storeKey=`${boardId}:${item?.id||''}`;
+      if(!purchaseId||!BOARD_ID_RE.test(boardId)||!item?.id||seenIds.has(purchaseId)||seenStoreItems.has(storeKey))continue;
+      const boughtAt=Number(source.boughtAt),paidCost=Number.isSafeInteger(source.paidCost)&&source.paidCost>0?Math.min(source.paidCost,maxPaidCost):item.cost;
+      if(!Number.isSafeInteger(paidCost)||paidCost<=0)continue;
+      seenIds.add(purchaseId);seenStoreItems.add(storeKey);
+      purchases.push({
+        purchaseId,
+        boardId,
+        itemId:item.id,
+        buyer:cleanPlayerName(source.buyer,defaultBuyer),
+        boughtAt:Number.isFinite(boughtAt)&&boughtAt>0?boughtAt:0,
+        paidCost
+      });
+    }
+    return purchases;
+  }
+
+  return Object.freeze({
+    BOARD_ID_RE,
+    SPECIAL_MECHANIC_TYPES,
+    cleanContractId,
+    cleanPlayerName,
+    normalizeSpecialMechanics,
+    normalizePlayerPurchases
+  });
+});