Centralize type assertions for better type safety

src/__tests__/Extension.ts

@@ -5,17 +5,16 @@ import {
   stringifyStep,
   type Selector,
   type Step,
-  type UserFlow,
 } from '@puppeteer/replay'
 import Extension, {formatAsJSLiteral, stringifySelector} from '../Extension'
-import flow from './fixtures/example.json'
+import flow from '../flow'
 
 const extension = new Extension()
 const selectors: Selector[] = [['aria/Test'], ['#test']]
 
 describe('stringify', () => {
   test('fixture', async () => {
-    expect(await stringify(flow as UserFlow, {extension})).toBe(
+    expect(await stringify(flow, {extension})).toBe(
       await readFile(join(__dirname, 'fixtures/example.js'), 'utf8'),
     )
   })

src/__tests__/RecorderPlugin.ts

@@ -1,17 +1,16 @@
 import {readFile} from 'fs/promises'
 import {join} from 'path'
-import type {Step, UserFlow} from '@puppeteer/replay'
 import RecorderPlugin from '../RecorderPlugin'
-import flow from './fixtures/example.json'
+import flow from '../flow'
 
 test('stringify', async () => {
-  expect(await new RecorderPlugin().stringify(flow as UserFlow)).toBe(
+  expect(await new RecorderPlugin().stringify(flow)).toBe(
     await readFile(join(__dirname, 'fixtures/example.js'), 'utf8'),
   )
 })
 
 test('stringifyStep', async () => {
-  expect(await new RecorderPlugin().stringifyStep(flow.steps[1] as Step)).toBe(
+  expect(await new RecorderPlugin().stringifyStep(flow.steps[1])).toBe(
     "await waitFor(() => screen.getByText('More information...'))\n",
   )
 })

src/flow.ts

@@ -0,0 +1,4 @@
+import type {UserFlow} from '@puppeteer/replay'
+import flow from './__tests__/fixtures/example.json'
+
+export default flow as UserFlow