Add test for dynamically adding @source

integrations/postcss/index.test.ts

@@ -380,6 +380,10 @@ test(
         const className = "content-['b/src/index.js']"
         module.exports = { className }
       `,
+      'project-c/src/index.js': js`
+        const className = "content-['c/src/index.js']"
+        module.exports = { className }
+      `,
     },
   },
   async ({ root, fs, spawn }) => {
@@ -444,5 +448,19 @@ test(
         }
       `,
     ])
+
+    // Adding a new @source directive will scan for new candidates
+    await fs.write(
+      'project-a/src/index.css',
+      css`
+        @import 'tailwindcss/utilities';
+        @import './custom-theme.css';
+        @config '../tailwind.config.js';
+        @source '../../project-b/src/**/*.html';
+        @plugin '../plugin.js';
+        @source '../../project-c/src/**/*.js';
+      `,
+    )
+    await fs.expectFileToContain('project-a/dist/out.css', [candidate`content-['c/src/index.js']`])
   },
 )

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

@@ -20,7 +20,6 @@ let cache = new QuickLRU<string, CacheEntry>({ maxSize: 50 })
 
 function getContextFromCache(inputFile: string, opts: PluginOptions): CacheEntry {
   let key = `${inputFile}:${opts.base ?? ''}:${opts.optimize ?? ''}`
-  console.log('key:', key)
   if (cache.has(key)) return cache.get(key)!
   let entry = {
     mtimes: new Map<string, number>(),