first commit

src/services/importedPool.ts

@@ -0,0 +1,46 @@
+import type { Market } from "@/src/domain/types";
+
+export type ParsedStockRef = { code: string; market: Market };
+
+export function parseStockRef(raw: string): ParsedStockRef | null {
+  const s = raw.trim();
+  if (!s) return null;
+
+  // allow forms:
+  // 600519
+  // SH:600519
+  // SZ:000001
+  // BJ:xxxxxx
+  const m = s.match(/^(?:(SH|SZ|BJ)[:：])?(\d{6})$/i);
+  if (!m) return null;
+
+  const market = (m[1]?.toUpperCase() as Market | undefined) ?? guessMarket(m[2]!);
+  return { market, code: m[2]! };
+}
+
+function guessMarket(code: string): Market {
+  if (code.startsWith("6")) return "SH";
+  if (code.startsWith("8") || code.startsWith("9")) return "BJ";
+  return "SZ";
+}
+
+export function normalizeImportedPool(text: string): ParsedStockRef[] {
+  const lines = text
+    .split(/\r?\n/)
+    .map((l) => l.trim())
+    .filter(Boolean);
+
+  const out: ParsedStockRef[] = [];
+  const seen = new Set<string>();
+
+  for (const line of lines) {
+    const ref = parseStockRef(line);
+    if (!ref) continue;
+    const key = `${ref.market}:${ref.code}`;
+    if (seen.has(key)) continue;
+    seen.add(key);
+    out.push(ref);
+  }
+
+  return out;
+}