fix(spec): export Direction, ScrollAction and LongPressAction from the entry

pkg/spec/src/index.ts

@@ -4,6 +4,7 @@ export type {
   Action,
   ActionGenerator,
   AttrSelector,
+  Direction,
   DoubleTapAction,
   EventuallyFormula,
   ExceptionRecord,
@@ -13,10 +14,12 @@ export type {
   Key,
   KnownAttrSelectors,
   LogEntry,
+  LongPressAction,
   Point,
   PressKeyAction,
   RawAttrs,
   Sampler,
+  ScrollAction,
   SelectorPath,
   Snapshots,
   State,

pkg/spec/test/api.test.ts

@@ -29,6 +29,12 @@ import {
   weighted,
   whenRoute,
 } from "../src/index.ts";
+import type {
+  Action,
+  Direction,
+  LongPressAction,
+  ScrollAction,
+} from "../src/index.ts";
 import { setSamplerRng } from "../src/actions.ts";
 import { Pcg } from "../src/pcg.ts";
 import type { GeneratorNode } from "../src/action-tree.ts";
@@ -397,3 +403,18 @@ test("whenRoute body is skipped for a null route", () => {
   const node = whenRoute(route, ["home"], () => [Tap({ on: "id:x" })]);
   assert.deepEqual((node as { generate: () => unknown }).generate(), []);
 });
+
+// The package entry is the only module a spec author can import from, so every
+// member of the exported Action union, and the Direction needed to build a
+// Scroll, has to be reachable there rather than only from src/types.ts.
+test("index exports every action type a spec author annotates with", () => {
+  const direction: Direction = "down";
+  const scroll: ScrollAction = Scroll({ direction, in: "id:list" });
+  const longPress: LongPressAction = LongPress({ on: "id:row" });
+  const built: Action[] = [scroll, longPress];
+
+  assert.deepEqual(
+    built.map(action => action.kind),
+    ["Scroll", "LongPress"],
+  );
+});