From a03283fe32caf12ed21d82488dbe5984a1f040fb Mon Sep 17 00:00:00 2001
From: Jaco <jacogr@gmail.com>
Date: Fri, 31 Dec 2021 10:43:30 +0100
Subject: [PATCH] Mock for __dirname (#261)

* Mock for __dirname

* undefined

* CHANGELOG
---
 CHANGELOG.md                              | 3 ++-
 packages/wasm-crypto/src/cjs/dirname.d.ts | 6 ++++++
 packages/wasm-crypto/src/cjs/dirname.js   | 6 ++++++
 packages/wasm-crypto/src/cjs/package.json | 3 +++
 packages/wasm-crypto/src/detectPackage.ts | 1 +
 5 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 packages/wasm-crypto/src/cjs/dirname.d.ts
 create mode 100644 packages/wasm-crypto/src/cjs/dirname.js
 create mode 100644 packages/wasm-crypto/src/cjs/package.json

diff --git a/CHANGELOG.md b/CHANGELOG.md
index de7aef5f..f3d4d762 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,8 @@
 
 Changes:
 
-- Adjust ed25519 internals (speed & size)
+- Adjust ed25519 internals, consistency in code
+- Ensure package path is availble under ESM & CJS
 - JS wrapped bytes interoperability test
 
 
diff --git a/packages/wasm-crypto/src/cjs/dirname.d.ts b/packages/wasm-crypto/src/cjs/dirname.d.ts
new file mode 100644
index 00000000..d2c990f5
--- /dev/null
+++ b/packages/wasm-crypto/src/cjs/dirname.d.ts
@@ -0,0 +1,6 @@
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+declare const __dirname: string | undefined;
+
+export default __dirname;
diff --git a/packages/wasm-crypto/src/cjs/dirname.js b/packages/wasm-crypto/src/cjs/dirname.js
new file mode 100644
index 00000000..93132a1f
--- /dev/null
+++ b/packages/wasm-crypto/src/cjs/dirname.js
@@ -0,0 +1,6 @@
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+module.exports = typeof __dirname === 'string'
+  ? __dirname.replace('/cjs', '')
+  : undefined;
diff --git a/packages/wasm-crypto/src/cjs/package.json b/packages/wasm-crypto/src/cjs/package.json
new file mode 100644
index 00000000..5bbefffb
--- /dev/null
+++ b/packages/wasm-crypto/src/cjs/package.json
@@ -0,0 +1,3 @@
+{
+  "type": "commonjs"
+}
diff --git a/packages/wasm-crypto/src/detectPackage.ts b/packages/wasm-crypto/src/detectPackage.ts
index ef895eee..646b733f 100644
--- a/packages/wasm-crypto/src/detectPackage.ts
+++ b/packages/wasm-crypto/src/detectPackage.ts
@@ -5,6 +5,7 @@ import { detectPackage } from '@polkadot/util';
 import { packageInfo as asmInfo } from '@polkadot/wasm-crypto-asmjs/packageInfo';
 import { packageInfo as wasmInfo } from '@polkadot/wasm-crypto-wasm/packageInfo';
 
+import __dirname from './cjs/dirname';
 import { packageInfo } from './packageInfo';
 
 detectPackage(packageInfo, typeof __dirname !== 'undefined' && __dirname, [asmInfo, wasmInfo]);