test: css content tests

playground/css/__tests__/css.spec.ts

@@ -349,6 +349,11 @@ test('PostCSS dir-dependency', async () => {
   }
 })
 
+test('import dependency includes css import', async () => {
+  expect(await getColor('.css-js-dep')).toBe('green')
+  expect(await getColor('.css-js-dep-module')).toBe('green')
+})
+
 test('URL separation', async () => {
   const urlSeparated = await page.$('.url-separated')
   const baseUrl = 'url(images/dog.webp)'
@@ -426,3 +431,9 @@ test('PostCSS source.input.from includes query', async () => {
   // should resolve assets
   expect(code).toContain('/postcss-source-input.css?query=foo')
 })
+
+test('aliased css has content', async () => {
+  expect(await getColor('.aliased')).toBe('blue')
+  expect(await page.textContent('.aliased-content')).toMatch('.aliased')
+  expect(await getColor('.aliased-module')).toBe('blue')
+})

playground/css/aliased/bar.module.css

@@ -0,0 +1,3 @@
+.aliasedModule {
+  color: blue;
+}

playground/css/aliased/foo.css

@@ -0,0 +1,3 @@
+.aliased {
+  color: blue;
+}

playground/css/css-js-dep/bar.module.css

@@ -0,0 +1,3 @@
+.cssJsDepModule {
+  color: green;
+}

playground/css/css-js-dep/foo.css

@@ -0,0 +1,3 @@
+.css-js-dep {
+  color: green;
+}

playground/css/css-js-dep/index.js

@@ -0,0 +1,4 @@
+import './foo.css'
+import barModuleClasses from './bar.module.css'
+
+export { barModuleClasses }

playground/css/css-js-dep/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "css-js-dep",
+  "private": true,
+  "type": "module",
+  "version": "1.0.0",
+  "main": "index.js"
+}

playground/css/index.html

@@ -117,6 +117,13 @@ <h1>CSS</h1>
     PostCSS dir-dependency (file 3): this should be grey too
   </p>
 
+  <p class="css-js-dep">
+    import dependency includes 'import "./foo.css"': this should be green
+  </p>
+  <p class="css-js-dep-module">
+    import dependency includes 'import "./bar.module.css"': this should be green
+  </p>
+
   <p class="url-separated">
     URL separation preservation: should have valid background-image
   </p>
@@ -141,6 +148,11 @@ <h1>CSS</h1>
 
   <p>PostCSS source.input.from. Should include query</p>
   <pre class="postcss-source-input"></pre>
+
+  <p>Aliased</p>
+  <p class="aliased">import '#alias': this should be blue</p>
+  <pre class="aliased-content"></pre>
+  <p class="aliased-module">import '#alias-module': this should be blue</p>
 </div>
 
 <script type="module" src="./main.js"></script>

playground/css/main.js

@@ -47,6 +47,11 @@ text('.charset-css', charset)
 import './dep.css'
 import './glob-dep.css'
 
+import { barModuleClasses } from 'css-js-dep'
+document
+  .querySelector('.css-js-dep-module')
+  .classList.add(barModuleClasses.cssJsDepModule)
+
 function text(el, text) {
   document.querySelector(el).textContent = text
 }
@@ -92,3 +97,10 @@ text('.imported-css-globEager', JSON.stringify(globEager, null, 2))
 
 import postcssSourceInput from './postcss-source-input.css?query=foo'
 text('.postcss-source-input', postcssSourceInput)
+
+import aliasContent from '#alias'
+text('.aliased-content', aliasContent)
+import aliasModule from '#alias-module'
+document
+  .querySelector('.aliased-module')
+  .classList.add(aliasModule.aliasedModule)

playground/css/package.json

@@ -13,6 +13,7 @@
   },
   "devDependencies": {
     "css-dep": "link:./css-dep",
+    "css-js-dep": "file:./css-js-dep",
     "fast-glob": "^3.2.11",
     "less": "^4.1.3",
     "postcss-nested": "^5.0.6",

playground/css/vite.config.js

@@ -10,7 +10,9 @@ module.exports = {
   resolve: {
     alias: {
       '@': __dirname,
-      spacefolder: __dirname + '/folder with space'
+      spacefolder: __dirname + '/folder with space',
+      '#alias': __dirname + '/aliased/foo.css',
+      '#alias-module': __dirname + '/aliased/bar.module.css'
     }
   },
   css: {