From 256d398ae66b9eb10fd6886e7d6ef4c0d5fa9a96 Mon Sep 17 00:00:00 2001
From: David Worms <david@adaltas.com>
Date: Fri, 25 Aug 2023 14:26:04 +0200
Subject: [PATCH] test(csv-issues-esm): reproduce issue #391

---
 demo/issues-esm/lib/391.ts    | 30 ++++++++++++++++++++++++++++++
 demo/issues-esm/tsconfig.json |  8 ++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 demo/issues-esm/lib/391.ts
 create mode 100644 demo/issues-esm/tsconfig.json

diff --git a/demo/issues-esm/lib/391.ts b/demo/issues-esm/lib/391.ts
new file mode 100644
index 00000000..38a5aedc
--- /dev/null
+++ b/demo/issues-esm/lib/391.ts
@@ -0,0 +1,30 @@
+
+import assert from 'assert'
+import { stringify, Stringifier } from 'csv-stringify';
+
+// Create the parser
+const output: string[] = [];
+const stringifier: Stringifier = stringify({
+  header: true,
+  cast: {
+    boolean: (value, ctx) => {
+      if (ctx.header) return String(value)
+      if (ctx.column === 'Removed' && value === false) {
+        return '0'
+      }
+      return String(value)
+    }
+  }
+});
+// Write data to the stream
+stringifier.write({a: 1, b: 2, c: 3});
+// Close the readable stream
+stringifier.end();
+// Read output
+stringifier.on('data', (buf) => {
+  output.push(buf.toString());
+})
+stringifier.on('end', () => {
+  console.log(output);
+  assert(output.join(), 'a,b,c\n1,2,3\n')
+})
diff --git a/demo/issues-esm/tsconfig.json b/demo/issues-esm/tsconfig.json
new file mode 100644
index 00000000..53445dd7
--- /dev/null
+++ b/demo/issues-esm/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "esModuleInterop": true,
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "strict": true,
+  }
+}