Add printFormula util

src/data/projEntry.tsx

@@ -7,7 +7,8 @@ import { globalBus } from "game/events";
 import Formula, {
     calculateCost,
     calculateMaxAffordable,
-    findNonInvertible
+    findNonInvertible,
+    printFormula
 } from "game/formulas/formulas";
 import type { BaseLayer, GenericLayer } from "game/layers";
 import { createLayer } from "game/layers";
@@ -23,6 +24,7 @@ window.Formula = Formula;
 window.calculateMaxAffordable = calculateMaxAffordable;
 window.calculateCost = calculateCost;
 window.findNonInvertible = findNonInvertible;
+window.printFormula = printFormula;
 window.unref = unref;
 window.ref = ref;
 window.createResource = createResource;

src/game/formulas/formulas.ts

@@ -1,5 +1,5 @@
 import { Resource } from "features/resources/resource";
-import Decimal, { DecimalSource } from "util/bignum";
+import Decimal, { DecimalSource, format } from "util/bignum";
 import { Computable, convertComputable, ProcessedComputable } from "util/computed";
 import { computed, ComputedRef, ref, unref } from "vue";
 import * as ops from "./operations";
@@ -1334,6 +1334,28 @@ export function findNonInvertible(formula: GenericFormula): GenericFormula | nul
     return null;
 }
 
+/**
+ * Stringifies a formula so it's more easy to read in the console
+ * @param formula The formula to print
+ */
+export function printFormula(formula: FormulaSource): string {
+    if (formula instanceof Formula) {
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-ignore
+        return formula.internalEvaluate == null
+            ? formula.hasVariable()
+                ? "x"
+                : formula.inputs[0] ?? 0
+            : // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+              // @ts-ignore
+              formula.internalEvaluate.name +
+                  "(" +
+                  formula.inputs.map(printFormula).join(", ") +
+                  ")";
+    }
+    return format(unref(formula));
+}
+
 /**
  * Utility for calculating the maximum amount of purchases possible with a given formula and resource. If {@ref spendResources} is changed to false, the calculation will be much faster with higher numbers.
  * @param formula The formula to use for calculating buy max from