copy preflight.css to dist/css folder

When there is no local tailwind install in the workspace, the extension uses it's local copy to generate it's ordering. The built-in preflight tailwind plugin requires the preflight.css file to load and it expects it to be in the dist/css folder

build.mjs

@@ -33,33 +33,18 @@ function patchRecast() {
 /**
  * @returns {import('esbuild').Plugin}
  */
-function patchCjsInterop() {
-  return {
-    name: 'patch-cjs-interop',
-    setup(build) {
-      build.onEnd(async () => {
-        let outfile = './dist/index.js'
-
-        let content = await fs.promises.readFile(outfile)
-
-        // Prepend `createRequire`
-        let code = [
-          `import {createRequire} from 'module'`,
-          `import {dirname as __global__dirname__} from 'path'`,
-          `import {fileURLToPath} from 'url'`,
-
-          // CJS interop fixes
-          `const require=createRequire(import.meta.url)`,
-          `const __filename=fileURLToPath(import.meta.url)`,
-          `const __dirname=__global__dirname__(__filename)`,
-        ]
-
-        content = `${code.join('\n')}\n${content}`
-
-        fs.promises.writeFile(outfile, content)
-      })
-    },
-  }
+function copyPreflightFromDistToBaseDist() {
+	return {
+		name: 'copy-preflight',
+		setup(build) {
+			build.onEnd(() =>
+				fs.promises.copyFile(
+					path.resolve(__dirname, './dist/css/node_modules/tailwindcss/lib/css/preflight.css'),
+					path.resolve(__dirname, './dist/css/preflight.css'),
+				),
+			)
+		},
+	}
 }
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url))
@@ -73,7 +58,7 @@ let context = await esbuild.context({
   entryPoints: [path.resolve(__dirname, './src/loader.js')],
   outfile: path.resolve(__dirname, './dist/index.js'),
   format: 'cjs',
-  plugins: [patchRecast()],
+  plugins: [patchRecast(), copyPreflightFromDistToBaseDist()],
 })
 
 await context.rebuild()