Prefix internal modules with internal-* (#14074)

Last week we discussed bringing in some consistency for our non-public
npm packages in the repo. We discussed using custom namespaces (e.g.
`@tailwindcss-internal`) vs. simple prefixes but it does not matter too
much if we are both consistent with our pattern and it's easy for us to
see whether a plugin is public or not.

Since we have a mixture of public namespaced (`@tailwindcss/*`) and
non-namespaced (`tailwindcss`) packages, I think it would be best if we
use a prefix to signal internal dependencies. This PR proposes we use
`internal-*` as the prefix and renames `test-utils` to
`internal-example-plugin` (since, really, this package is just an
example for the Tailwind plugin system).

packages/@tailwindcss-postcss/package.json

@@ -39,6 +39,6 @@
     "@types/node": "^20.12.12",
     "@types/postcss-import": "^14.0.3",
     "postcss": "8.4.24",
-    "tailwindcss-test-utils": "workspace:*"
+    "internal-example-plugin": "workspace:*"
   }
 }

packages/@tailwindcss-postcss/src/index.test.ts

@@ -144,7 +144,7 @@ describe('plugins', () => {
     let result = await processor.process(
       css`
         @import 'tailwindcss/utilities';
-        @plugin 'tailwindcss-test-utils';
+        @plugin 'internal-example-plugin';
       `,
       { from: INPUT_CSS_PATH },
     )
@@ -174,7 +174,7 @@ describe('plugins', () => {
     let result = await processor.process(
       css`
         @import 'tailwindcss/utilities';
-        @plugin 'tailwindcss-test-utils';
+        @plugin 'internal-example-plugin';
       `,
       { from: INPUT_CSS_PATH },
     )

packages/internal-example-plugin/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "tailwindcss-test-utils",
+  "name": "internal-example-plugin",
   "version": "0.0.0",
   "private": true,
   "main": "index.js"

pnpm-lock.yaml

@@ -153,12 +153,12 @@ importers:
       '@types/postcss-import':
         specifier: ^14.0.3
         version: 14.0.3
+      internal-example-plugin:
+        specifier: workspace:*
+        version: link:../internal-example-plugin
       postcss:
         specifier: 8.4.24
         version: 8.4.24
-      tailwindcss-test-utils:
-        specifier: workspace:*
-        version: link:../test-utils
 
   packages/@tailwindcss-vite:
     dependencies:
@@ -179,6 +179,8 @@ importers:
         specifier: ^5.2.11
         version: 5.2.11(@types/node@20.12.12)(lightningcss@1.25.1)
 
+  packages/internal-example-plugin: {}
+
   packages/tailwindcss:
     devDependencies:
       '@tailwindcss/oxide':
@@ -191,8 +193,6 @@ importers:
         specifier: ^1.25.1
         version: 1.25.1
 
-  packages/test-utils: {}
-
   playgrounds/nextjs:
     dependencies:
       '@tailwindcss/postcss':
@@ -1237,7 +1237,6 @@ packages:
 
   bun@1.1.10:
     resolution: {integrity: sha512-qOJXrQZSzJ5DbJMt47GZGWtUSmIkbwD7fPSN/XS/T46D4cTTnPK46QDHlyC8VD+Anvs6uKNwuwKIyB31kUdHmQ==}
-    cpu: [arm64, x64]
     os: [darwin, linux, win32]
     hasBin: true
 
@@ -4093,7 +4092,7 @@ snapshots:
       eslint: 8.57.0
       eslint-import-resolver-node: 0.3.9
       eslint-import-resolver-typescript: 3.6.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-node@0.3.9)(eslint-plugin-import@2.29.1(eslint@8.57.0))(eslint@8.57.0)
-      eslint-plugin-import: 2.29.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
+      eslint-plugin-import: 2.29.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-node@0.3.9)(eslint-plugin-import@2.29.1(eslint@8.57.0))(eslint@8.57.0))(eslint@8.57.0)
       eslint-plugin-jsx-a11y: 6.8.0(eslint@8.57.0)
       eslint-plugin-react: 7.34.1(eslint@8.57.0)
       eslint-plugin-react-hooks: 4.6.2(eslint@8.57.0)
@@ -4117,7 +4116,7 @@ snapshots:
       enhanced-resolve: 5.16.1
       eslint: 8.57.0
       eslint-module-utils: 2.8.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-node@0.3.9)(eslint-plugin-import@2.29.1(eslint@8.57.0))(eslint@8.57.0))(eslint@8.57.0)
-      eslint-plugin-import: 2.29.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
+      eslint-plugin-import: 2.29.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-node@0.3.9)(eslint-plugin-import@2.29.1(eslint@8.57.0))(eslint@8.57.0))(eslint@8.57.0)
       fast-glob: 3.3.2
       get-tsconfig: 4.7.5
       is-core-module: 2.13.1
@@ -4139,7 +4138,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-plugin-import@2.29.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0):
+  eslint-plugin-import@2.29.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@6.21.0(eslint@8.57.0)(typescript@5.4.5))(eslint-import-resolver-node@0.3.9)(eslint-plugin-import@2.29.1(eslint@8.57.0))(eslint@8.57.0))(eslint@8.57.0):
     dependencies:
       array-includes: 3.1.8
       array.prototype.findlastindex: 1.2.5