Support css content in esbuild plugin

packages/esbuild/index.js

@@ -23,7 +23,7 @@ function getFiles(buildResult, check) {
   let outputs = buildResult.metafile.outputs
 
   for (let key in outputs) {
-    let outputEntryName = parse(key).name
+    let outputEntryName = parse(key).base
     outputs[outputEntryName] = outputs[key]
     outputs[outputEntryName].path = resolve(key)
     delete outputs[key]

packages/esbuild/test/fixtures/esm/nonjs.js

@@ -0,0 +1,2 @@
+import './file.js'
+import './style.css'

packages/esbuild/test/fixtures/esm/style.css

@@ -0,0 +1,3 @@
+a {
+  color: black
+}

packages/esbuild/test/index.test.js

@@ -64,6 +64,14 @@ it('uses esbuild to make bundle', async () => {
   expect(existsSync(config.checks[0].esbuildOutfile)).toBe(false)
 })
 
+it('supports bundles with css', async () => {
+  let config = {
+    checks: [{ files: fixture('esm/nonjs.js') }]
+  }
+  await run(config)
+  expect(config.checks[0].size).toBe(49)
+})
+
 it('supports ignore', async () => {
   let config = {
     checks: [{ files: fixture('cjs/big.js'), ignore: ['redux'] }]