CORPORATION: Use accounting methods for all funds transactions (#949)

src/Corporation/data/FundsSource.ts

@@ -0,0 +1,30 @@
+// Funds transactions which affect valuation directly and should not be included in earnings projections.
+// This includes capital expenditures (which may be recoupable), time-limited actions, and transfers to/from other game mechanics.
+const FundsSourceLongTerm = [
+  "product development",
+  "division",
+  "office",
+  "warehouse",
+  "upgrades",
+  "bribery",
+  "public equity",
+  "private equity",
+  "hacknet",
+  "force majeure",
+] as const;
+
+// Funds transactions which should be included in earnings projections for valuation.
+// This includes all automatic or indefinetly-repeatable income and operating expenses.
+type FundsSourceShortTerm =
+  | "operating expenses"
+  | "operating revenue"
+  | "dividends"
+  | "tea"
+  | "parties"
+  | "advert"
+  | "materials"
+  | "glitch in reality";
+
+export type FundsSource = (typeof FundsSourceLongTerm)[number] | FundsSourceShortTerm;
+
+export const LongTermFundsSources = new Set<FundsSource>(FundsSourceLongTerm);