add hw2

node_modules/thread-stream/test/ts.test.ts

@@ -0,0 +1,33 @@
+import { test } from 'tap'
+import { readFile } from 'fs'
+import ThreadStream from '../index.js'
+import { join } from 'path'
+import { file } from './helper.js'
+
+
+test('typescript module', function (t) {
+  t.plan(5)
+
+  const dest = file()
+  const stream = new ThreadStream({
+    filename: join(__dirname, 'ts', 'to-file.ts'),
+    workerData: { dest },
+    sync: true
+  })
+
+  stream.on('finish', () => {
+    readFile(dest, 'utf8', (err, data) => {
+      t.error(err)
+      t.equal(data, 'hello world\nsomething else\n')
+    })
+  })
+
+  stream.on('close', () => {
+    t.pass('close emitted')
+  })
+
+  t.ok(stream.write('hello world\n'))
+  t.ok(stream.write('something else\n'))
+
+  stream.end()
+})