https://github.com/rburgst/vite-bundle-size-problem

bug repro repository showing 50% larger bundle sizes with vite 2.6+
https://github.com/rburgst/vite-bundle-size-problem

Last synced: 2 days ago
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bug repro repository showing 50% larger bundle sizes with vite 2.6+

• Host: GitHub
• URL: https://github.com/rburgst/vite-bundle-size-problem
• Owner: rburgst
• Created: 2022-05-10T12:49:51.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2022-05-10T12:50:19.000Z (over 2 years ago)
• Last Synced: 2024-11-08T17:53:07.101Z (about 2 months ago)
• Language: TypeScript
• Size: 16.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
Problem showing bundling issues with vite >= 2.6

With `vite 2.5.10`:

```bash

yarn build

yarn run v1.22.18

$ tsc && vite build

vite v2.5.10 building for production...

transforming (1) src/index.tsUse of eval is strongly discouraged, as it poses security risks and may cause issues with minification

Use of eval is strongly discouraged, as it poses security risks and may cause issues with minification

Use of eval is strongly discouraged, as it poses security risks and may cause issues with minification

✓ 11 modules transformed.

dist/vite-bundle-size-problem.es.js   2147.03 KiB / brotli: skipped (large chunk)

dist/vite-bundle-size-problem.umd.js   2147.39 KiB / brotli: skipped (large chunk)

✨  Done in 14.95s.

```

With `vite 2.9.8`

```bash

vite v2.9.8 building for production...

transforming (1) src/index.tsUse of eval is strongly discouraged, as it poses security risks and may cause issues with minification

Use of eval is strongly discouraged, as it poses security risks and may cause issues with minification

Use of eval is strongly discouraged, as it poses security risks and may cause issues with minification

✓ 11 modules transformed.

dist/vite-bundle-size-problem.es.js   3211.96 KiB / gzip: 737.04 KiB

```

Note that

a) the build does not complete (at least not within 5 minutes or so).

b) the ES output file is now `3211.96 KiB` compared to `2147.03 KiB`

## Repro steps

0. run `yarn install`

1. run `yarn build` (by default we use `vite 2.9.8`) note that the build does not terminate and the output file is 3MB

2. change `package.json` and replace ` "vite": "~2.9.8"` with ` "vite": "~2.5.10"`

3. run `yarn install && yarn build` and observe the file size is now only 2 MB