vite-imagetools transforms images twice during build

[rubenesque-code]

Describe the bug

I've got a Sveltekit site deployed to Vercel. I'm using SvelteKit's SSG configuration (using adapter-static). The builds are successful but take a long time (~25mins) due to, it seems:

1. re-creation of static assets (mostly images) on each deploy.
2. duplication of static asset creation for client and server.

With regard to the second point, I'm not sure if this should be happening because I'm using static site generation.

A snippet of a log has been posted below. Please note the duplication in output/client/... and output/server/....
Please see attached full log files for more which shows duplication of asset creation on each deploy (each log is more or less the same).
deploy 1 log.txt
deploy 2 log.txt

Reproduction

https://github.com/code-sanchu/alesh_compton-v1.1

Logs

[17:47:04.797] Running build in Washington, D.C., USA (East) – iad1 (Hive)
[17:47:04.918] Cloning github.com/code-sanchu/alesh_compton-v1.1 (Branch: main, Commit: d53c032)
[17:47:08.256] Cloning completed: 3.338s
[17:47:08.499] Restored build cache
[17:47:08.575] Running "vercel build"
[17:47:09.047] Vercel CLI 32.5.6
[17:47:09.769] Detected pnpm-lock.yaml version 6 generated by pnpm 8
[17:47:09.787] Installing dependencies...
[17:47:10.547] Lockfile is up to date, resolution step is skipped
[17:47:10.615] Packages: +4
[17:47:10.615] ++++
[17:47:11.129]
[17:47:11.146] Done in 1.3s
[17:47:11.170] Running "pnpm run build"
[17:47:11.647]
[17:47:11.647] > [email protected] build /vercel/path0
[17:47:11.648] > vite build
[17:47:11.648]
[17:47:11.850] ▲ [WARNING] Cannot find base config file "./.svelte-kit/tsconfig.json" [tsconfig.json]
[17:47:11.850]
[17:47:11.851] tsconfig.json:2:12:
[17:47:11.851] 2 │ "extends": "./.svelte-kit/tsconfig.json",
[17:47:11.851] ╵ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[17:47:11.851]
[17:47:12.634]
[17:47:12.635] [36mvite v4.4.2 [32mbuilding SSR bundle for production...[36m[39m
[17:47:12.672] transforming...
[17:58:55.103] [32m✓[39m 2800 modules transformed.
[17:58:55.332] rendering chunks...
[17:58:56.436]
[17:58:56.436] [36mvite v4.4.2 [32mbuilding for production...[36m[39m
[17:58:56.450] transforming...
[18:11:14.679] [32m✓[39m 2812 modules transformed.
[18:11:15.082] rendering chunks...
[18:11:16.224] computing gzip size...
[18:11:16.413] [2m.svelte-kit/output/client/[22m[32m_app/version.json [39m[1m[2m 0.03 kB[22m[1m[22m[2m │ gzip: 0.05 kB[22m
[18:11:16.414] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/youtube-icon.06e8af7c.avif [39m[1m[2m 1.66 kB[22m[1m[22m
[18:11:16.414] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/youtube-icon.0b692429.webp [39m[1m[2m 2.86 kB[22m[1m[22m
[18:11:16.414] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/buy%20now%20Button.67f1fa5d.avif [39m[1m[2m 3.55 kB[22m[1m[22m
[18:11:16.416] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/youtube-icon.5134cc24.jpg [39m[1m[2m 4.05 kB[22m[1m[22m
[18:11:16.416] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/buy%20now%20Button.88ac1a88.webp [39m[1m[2m 5.84 kB[22m[1m[22m
[18:11:16.416] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/logo.cc812ab9.jpg [39m[1m[2m 7.42 kB[22m[1m[22m
[18:11:16.416] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/estat_du_france-yt_thumbnail.2ad4e782.avif [39m[1m[2m 7.55 kB[22m[1m[22m
[18:11:16.417] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/squatumentary_doc-yt_thumbnail.672b3a06.avif [39m[1m[2m 8.73 kB[22m[1m[22m
[18:11:16.417] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/slimey_skumbaagz-yt_thumbnail.e6a6ed7b.avif [39m[1m[2m 9.08 kB[22m[1m[22m
[18:11:16.417] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/logo.6c0741a1.avif [39m[1m[2m 9.11 kB[22m[1m[22m
[18:11:16.417] [2m.svelte-kit/output/client/[22m[32m_app/immutable/assets/HOODIE.9a885f70.avif [39m[1m[2m 10.53 kB[22m[1m[22m

[... more log output cut here]

[18:11:16.546] [32m✓ built in 12m 20s[39m
[18:11:17.837] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/youtube-icon.06e8af7c.avif [39m[1m[2m 1.66 kB[22m[1m[22m
[18:11:17.842] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/youtube-icon.0b692429.webp [39m[1m[2m 2.86 kB[22m[1m[22m
[18:11:17.842] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/buy%20now%20Button.67f1fa5d.avif [39m[1m[2m 3.55 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/youtube-icon.5134cc24.jpg [39m[1m[2m 4.05 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/buy%20now%20Button.88ac1a88.webp [39m[1m[2m 5.84 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/logo.cc812ab9.jpg [39m[1m[2m 7.42 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/estat_du_france-yt_thumbnail.2ad4e782.avif [39m[1m[2m 7.55 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/squatumentary_doc-yt_thumbnail.672b3a06.avif [39m[1m[2m 8.73 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/slimey_skumbaagz-yt_thumbnail.e6a6ed7b.avif [39m[1m[2m 9.08 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/logo.6c0741a1.avif [39m[1m[2m 9.11 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/HOODIE.9a885f70.avif [39m[1m[2m 10.53 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/Reversible%20Polo%20button.5848f8fb.avif [39m[1m[2m 10.89 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/buy%20now%20Button.e56563cb.jpg [39m[1m[2m 11.03 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/9.210d6d61.avif [39m[1m[2m 11.06 kB[22m[1m[22m
[18:11:17.843] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/6.4a2e5d2d.avif [39m[1m[2m 11.47 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/logo.224d030d.webp [39m[1m[2m 12.12 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/midnight-yt_thumbnail.3b3d398b.avif [39m[1m[2m 14.37 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/kurukuru-yt_thumbnail.8a1f5232.avif [39m[1m[2m 14.59 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/slimey_skumbaagz-yt_thumbnail.979aa7d2.webp [39m[1m[2m 14.88 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/6.7d4f4a93.avif [39m[1m[2m 15.69 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/televsion_god-yt_thumbnail.fbf847a2.avif [39m[1m[2m 16.09 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/slimey_skumbaagz-yt_thumbnail.3dcc762f.jpg [39m[1m[2m 16.44 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/squatumentary_doc-yt_thumbnail.2283d6a6.webp [39m[1m[2m 17.25 kB[22m[1m[22m
[18:11:17.844] [2m.svelte-kit/output/server/[22m[32m_app/immutable/assets/HOODIE.c3ad167a.webp [39m[1m[2m 18.64 kB[22m[1m[22m

System Info

System:
  OS: Linux 6.1 Manjaro Linux
  CPU: (4) x64 Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
  Memory: 3.74 GB / 7.70 GB
  Container: Yes
  Shell: 5.9 - /bin/zsh System:
Binaries:
  Node: 18.16.0 - ~/.nvm/versions/node/v18.16.0/bin/node
  Yarn: 1.22.19 - ~/.nvm/versions/node/v18.16.0/bin/yarn
  npm: 9.5.1 - ~/.nvm/versions/node/v18.16.0/bin/npm
  pnpm: 8.4.0 - ~/.nvm/versions/node/v18.16.0/bin/pnpm
npmPackages:
  svelte: ^4.0.5 => 4.0.5

Severity

annoyance

[eltigerchino]

The repeated asset transformation happens because SvelteKit runs vite build for the client and server bundles (and service worker?). This causes the transformation from the vite-imagetools plugin to run twice as well. Related to JonasKruckenberg/imagetools#522

As an aside, please provide a minimal reproduction instead of linking your entire project as this makes it difficult to reproduce the issue quickly and find the root cause.