Fix nodejs issue

Author: martinRenou

.github/workflows/main.yml

@@ -133,6 +133,8 @@ jobs:
       - name: Manually install labextension for lab2
         if: ${{ matrix.jlab_version }} == 2.3.2
         run: jupyter labextension install --debug .
+        env:
+          NODE_OPTIONS: --openssl-legacy-provider
 
       - name: Test installation files
         run: |

package.json

@@ -68,6 +68,7 @@
   },
   "jupyterlab": {
     "extension": "lib/plugin",
+    "webpackConfig": "webpack.lab.config.js",
     "outputDir": "ipycanvas/labextension",
     "sharedPackages": {
       "@jupyter-widgets/base": {

webpack.config.js

@@ -1,5 +1,11 @@
 const path = require('path');
 const version = require('./package.json').version;
+const crypto = require('crypto');
+
+// Workaround for loaders using "md4" by default, which is not supported in FIPS-compliant OpenSSL
+const cryptoOrigCreateHash = crypto.createHash;
+crypto.createHash = (algorithm) =>
+  cryptoOrigCreateHash(algorithm == 'md4' ? 'sha256' : algorithm);
 
 // Custom webpack rules
 const rules = [

webpack.lab.config.js

@@ -0,0 +1,6 @@
+const crypto = require('crypto');
+
+// Workaround for loaders using "md4" by default, which is not supported in FIPS-compliant OpenSSL
+const cryptoOrigCreateHash = crypto.createHash;
+crypto.createHash = (algorithm) =>
+  cryptoOrigCreateHash(algorithm == 'md4' ? 'sha256' : algorithm);