feat: Update esbuild version to latest for keeping unknown directives during bundle (#925)

BREAKING CHANGE:

update esbuild to 0.18

Author: teobler

.gitignore

@@ -2,4 +2,5 @@ node_modules
 *.log
 dist
 .cache
-playground
+playground
+.idea

package.json

@@ -32,7 +32,7 @@
     "cac": "^6.7.12",
     "chokidar": "^3.5.1",
     "debug": "^4.3.1",
-    "esbuild": "^0.17.6",
+    "esbuild": "^0.18.2",
     "execa": "^5.0.0",
     "globby": "^11.0.3",
     "joycon": "^3.0.1",

pnpm-lock.yaml

@@ -212,8 +212,6 @@ var foo_default = \\"foo\\";
 
 // input.ts
 var input_default = foo_default;
-// Annotate the CommonJS export names for ESM import in node:
-0 && (module.exports = {});
 "
 `;
 

test/__snapshots__/index.test.ts.snap

@@ -97,6 +97,14 @@ test('simple', async () => {
   expect(outFiles).toEqual(['input.js'])
 })
 
+test('should not filter unknown directives during bundle', async () => {
+  const { output, outFiles } = await run(getTestName(), {
+    'input.ts': `'use client'\nexport default 'foo'`,
+  })
+  expect(output).toContain('use client')
+  expect(outFiles).toEqual(['input.js'])
+})
+
 test('bundle graphql-tools with --dts flag', async () => {
   await run(
     getTestName(),