Fix gsp generation with file extension

[huozhi]

Fixes #11831
Fixes #12212

Bug

• Related issues linked using fixes #number
• Integration tests added
• Errors have helpful link attached, see contributing.md

[ijjk]

Failing test suites

Commit: 2b0d157

test/integration/build-indicator/test/index.test.js

• Build Activity Indicator > Enabled > Shows build indicator when page is built from modifying

Expand output

● Build Activity Indicator › Enabled › Shows build indicator when page is built from modifying

expect(received).toBe(expected) // Object.is equality

Expected: true
Received: null

  62 |       const wasVisible = await browser.eval('window.showedBuilder')
  63 |
> 64 |       expect(wasVisible).toBe(true)
     |                          ^
  65 |       await fs.writeFile(pagePath, origContent, 'utf8')
  66 |       await browser.close()
  67 |     })

  at Object.<anonymous> (integration/build-indicator/test/index.test.js:64:26)

test/acceptance/ReactRefreshLogBox.dev.test.js

• server-side only compilation errors

Expand output

● server-side only compilation errors

ScriptTimeoutError: script timeout
  (Session info: headless chrome=91.0.4472.114)

  72 |
  73 |             // Wait for application to re-hydrate:
> 74 |             await browser.executeAsyncScript(function () {
     |             ^
  75 |               var callback = arguments[arguments.length - 1]
  76 |               if (window.__NEXT_HYDRATED) {
  77 |                 callback()

  at Object.throwDecodedError (../node_modules/selenium-webdriver/lib/error.js:550:15)
  at parseHttpResponse (../node_modules/selenium-webdriver/lib/http.js:565:13)
  at Executor.execute (../node_modules/selenium-webdriver/lib/http.js:491:26)
      at runMicrotasks (<anonymous>)
  at Proxy.execute (../node_modules/selenium-webdriver/lib/webdriver.js:700:17)
  at Object.patch (acceptance/helpers.js:74:13)
  at Object.<anonymous> (acceptance/ReactRefreshLogBox.dev.test.js:1415:3)

[ijjk]

Looks good, thanks!

[ijjk]

Stats from current PR

Default Build (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
buildDuration	15.7s	17.2s	⚠️ +1.5s
buildDurationCached	3.8s	3.7s	-8ms
nodeModulesSize	49.4 MB	49.4 MB	⚠️ +1.11 kB

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.691	2.855	⚠️ +0.16
/ avg req/sec	928.92	875.74	⚠️ -53.18
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.548	1.702	⚠️ +0.15
/error-in-render avg req/sec	1615.37	1469.25	⚠️ -146.12

Client Bundles (main, webpack, commons)

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
359.HASH.js gzip	2.96 kB	2.96 kB	✓
framework-HASH.js gzip	42 kB	42 kB	✓
main-HASH.js gzip	20.9 kB	20.9 kB	✓
webpack-HASH.js gzip	1.49 kB	1.49 kB	✓
Overall change	67.4 kB	67.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
polyfills-HASH.js gzip	31.1 kB	31.1 kB	✓
Overall change	31.1 kB	31.1 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
_app-HASH.js gzip	803 B	803 B	✓
_error-HASH.js gzip	3.06 kB	3.06 kB	✓
amp-HASH.js gzip	554 B	554 B	✓
css-HASH.js gzip	329 B	329 B	✓
hooks-HASH.js gzip	903 B	903 B	✓
image-HASH.js gzip	5.58 kB	5.58 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	1.66 kB	1.66 kB	✓
routerDirect..HASH.js gzip	319 B	319 B	✓
withRouter-HASH.js gzip	320 B	320 B	✓
bb14e60e810b..30f.css gzip	125 B	125 B	✓
Overall change	13.9 kB	13.9 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
_buildManifest.js gzip	418 B	418 B	✓
Overall change	418 B	418 B	✓

Rendered Page Sizes

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
index.html gzip	531 B	531 B	✓
link.html gzip	545 B	545 B	✓
withRouter.html gzip	526 B	526 B	✓
Overall change	1.6 kB	1.6 kB	✓

---

Webpack 4 Mode (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
buildDuration	12.5s	12.7s	⚠️ +145ms
buildDurationCached	5s	5.1s	⚠️ +158ms
nodeModulesSize	49.4 MB	49.4 MB	⚠️ +1.11 kB

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.769	2.854	⚠️ +0.08
/ avg req/sec	902.74	875.83	⚠️ -26.91
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.688	1.673	-0.01
/error-in-render avg req/sec	1481.17	1493.94	+12.77

Client Bundles (main, webpack, commons)

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
14.HASH.js gzip	2.98 kB	2.98 kB	✓
677f882d2ed8..HASH.js gzip	13.7 kB	13.7 kB	✓
framework.HASH.js gzip	41.8 kB	41.8 kB	✓
main-HASH.js gzip	8.39 kB	8.39 kB	✓
webpack-HASH.js gzip	1.19 kB	1.19 kB	✓
Overall change	68 kB	68 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
polyfills-HASH.js gzip	31.3 kB	31.3 kB	✓
Overall change	31.3 kB	31.3 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
_app-HASH.js gzip	791 B	791 B	✓
_error-HASH.js gzip	3.76 kB	3.76 kB	✓
amp-HASH.js gzip	552 B	552 B	✓
css-HASH.js gzip	333 B	333 B	✓
hooks-HASH.js gzip	910 B	910 B	✓
index-HASH.js gzip	230 B	230 B	✓
link-HASH.js gzip	1.64 kB	1.64 kB	✓
routerDirect..HASH.js gzip	297 B	297 B	✓
withRouter-HASH.js gzip	293 B	293 B	✓
e025d2764813..52f.css gzip	125 B	125 B	✓
Overall change	8.93 kB	8.93 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
_buildManifest.js gzip	420 B	420 B	✓
Overall change	420 B	420 B	✓

Rendered Page Sizes

	vercel/next.js canary	huozhi/next.js fix-build-ext	Change
index.html gzip	574 B	574 B	✓
link.html gzip	588 B	588 B	✓
withRouter.html gzip	568 B	568 B	✓
Overall change	1.73 kB	1.73 kB	✓

Commit: 8be0c8c