feat: resolving lines

src/core/blitzkrieg/buildTechTreeLine.ts

@@ -0,0 +1,19 @@
+import { resolveAncestry } from './resolveAncestry';
+import { tankDefinitions } from './tankDefinitions';
+
+export async function buildTechTreeLine(start: number, end: number) {
+  const awaitedTankDefinitions = await tankDefinitions;
+  const endTank = awaitedTankDefinitions[end];
+  if (!endTank.ancestors) throw new Error('End tank has no ancestors');
+  const line = [end];
+
+  if (start === end) return line;
+  for (const ancestorId of endTank.ancestors) {
+    if ((await resolveAncestry(ancestorId)).includes(start)) {
+      line.push(...(await buildTechTreeLine(start, ancestorId)));
+      break;
+    }
+  }
+
+  return line;
+}