WIP - add extractor, generate snippet_data

node_modules/webpack-dev-server/lib/utils/getSocketClientPath.js

@@ -0,0 +1,37 @@
+'use strict';
+
+function getSocketClientPath(options) {
+  let ClientImplementation;
+  let clientImplFound = true;
+  switch (typeof options.transportMode.client) {
+    case 'string':
+      // could be 'sockjs', 'ws', or a path that should be required
+      if (options.transportMode.client === 'sockjs') {
+        ClientImplementation = require('../../client/clients/SockJSClient');
+      } else if (options.transportMode.client === 'ws') {
+        ClientImplementation = require('../../client/clients/WebsocketClient');
+      } else {
+        try {
+          // eslint-disable-next-line import/no-dynamic-require
+          ClientImplementation = require(options.transportMode.client);
+        } catch (e) {
+          clientImplFound = false;
+        }
+      }
+      break;
+    default:
+      clientImplFound = false;
+  }
+
+  if (!clientImplFound) {
+    throw new Error(
+      "transportMode.client must be a string denoting a default implementation (e.g. 'sockjs', 'ws') or a full path to " +
+        'a JS file which exports a class extending BaseClient (webpack-dev-server/client-src/clients/BaseClient) ' +
+        'via require.resolve(...)'
+    );
+  }
+
+  return ClientImplementation.getClientPath(options);
+}
+
+module.exports = getSocketClientPath;