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Philipp Spiess b722ebca37
Upgrade: Ensure underscores in url() and var() are not escaped (#14778)
This PR fixes an issue where currently a `theme()` function call inside
an arbitrary value that used a dot in the key path:

```jsx
let className = "ml-[theme(spacing[1.5])]"
```

Was causing issues when going though the codemod. The issue is that for
candidates, we require `_` to be _escaped_, since otherwise they will be
replaced with underscore. When going through the codemods, the above
candidate would be translated to the following CSS variable access:

```js
let className = "ml-[var(--spacing-1\_5))"
```

Because the underscore was escaped, we now have an invalid string inside
a JavaScript file (as the `\` would escape inside the quoted string.

To resolve this, we decided that this common case (as its used by the
Tailwind CSS default theme) should work without escaping. In
https://github.com/tailwindlabs/tailwindcss/pull/14776, we made the
changes that CSS variables used via `var()` no longer unescape
underscores. This PR extends that so that the Variant printer (that
creates the serialized candidate representation after the codemods make
changes) take this new encoding into account.

This will result in the above example being translated into:

```js
let className = "ml-[var(--spacing-1_5))"
```

With no more escaping. Nice!

## Test Plan

I have added test for this to the kitchen-sink upgrade tests.
Furthermore, to ensure this really works full-stack, I have updated the
kitchen-sink test to _actually build the migrated project with Tailwind
CSS v4_. After doing so, we can assert that we indeed have the right
class name in the generated CSS.

---------

Co-authored-by: Adam Wathan <adam.wathan@gmail.com>
2024-10-24 12:49:22 -04:00
.github Add CODEOWNERS file (#14701) 2024-10-17 09:05:44 -04:00
crates Prepare v4.0.0-alpha.29 release (#14761) 2024-10-23 15:30:26 +02:00
integrations Upgrade: Ensure underscores in url() and var() are not escaped (#14778) 2024-10-24 12:49:22 -04:00
packages Upgrade: Ensure underscores in url() and var() are not escaped (#14778) 2024-10-24 12:49:22 -04:00
patches Add standalone CLI (#14270) 2024-09-02 15:23:46 +02:00
playgrounds Register migrateImport to ensure it actually runs (#14769) 2024-10-24 11:00:25 -04:00
scripts Add GitHub release workflow (#14346) 2024-09-05 09:45:29 -04:00
.gitignore Add test.debug to integration tests (#14133) 2024-08-08 12:02:19 +02:00
.npmrc introduce v4 codebase 2024-03-05 14:29:15 +01:00
.prettierignore Hoist oxide/crates to just crates (#13333) 2024-03-23 09:00:48 -04:00
Cargo.lock Improve @tailwindcss/postcss performance for initial builds (#14565) 2024-10-03 16:21:54 +02:00
Cargo.toml Hoist oxide/crates to just crates (#13333) 2024-03-23 09:00:48 -04:00
CHANGELOG.md Upgrade: Ensure underscores in url() and var() are not escaped (#14778) 2024-10-24 12:49:22 -04:00
LICENSE Add README, LICENSE, and CONTRIBUTING (#13088) 2024-03-05 14:45:39 -05:00
package.json Hide skipped tests (#14766) 2024-10-23 18:52:09 +00:00
pnpm-lock.yaml Register migrateImport to ensure it actually runs (#14769) 2024-10-24 11:00:25 -04:00
pnpm-workspace.yaml Bump dependencies (#14160) 2024-08-09 16:12:24 +02:00
README.md Copy README file to every package (#13096) 2024-03-06 08:49:31 -05:00
rust-toolchain.toml Bring back rust-toolchain.toml (#14585) 2024-10-03 14:37:24 +00:00
turbo.json Fix Rust build by passing through RUSTUP_HOME variable (#14171) 2024-08-12 11:37:45 +02:00
vitest.workspace.ts introduce v4 codebase 2024-03-05 14:29:15 +01:00

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