Mock for __dirname (#261)

* Mock for __dirname

* undefined

* CHANGELOG

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
 
 

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;

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;

packages/wasm-crypto/src/cjs/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "commonjs"
+}

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]);