feat: add --web-socket-server

Author: snitin315

README.md

@@ -128,6 +128,7 @@ Options:
   --firewall [value...]            Enable firewall or set hosts that are allowed to access the dev server.
   --no-firewall                    Disable firewall.
   --watch-files <value...>         Watch static files for file changes.
+  --web-socket-server <value>      Allows to set web socket server.
 
 Global options:
   --color                          Enable colors on console.

bin/cli-flags.js

@@ -431,5 +431,19 @@ module.exports = {
       description: 'Watch static files for file changes.',
       multiple: true,
     },
+    {
+      name: 'web-socket-server',
+      type: String,
+      configs: [
+        {
+          type: 'string',
+        },
+        {
+          type: 'enum',
+          values: ['sockjs', 'ws'],
+        },
+      ],
+      description: 'Allows to set web socket server.',
+    },
   ],
 };

test/cli/__snapshots__/cli.test.js.snap.webpack4

@@ -269,6 +269,7 @@ Options:
                                    allowed to access the dev server.
   --no-firewall                    Disable firewall.
   --watch-files <value...>         Watch static files for file changes.
+  --web-socket-server <value>      Allows to set web socket server.
 
 Global options:
   --color                          Enable colors on console.

test/cli/__snapshots__/cli.test.js.snap.webpack5

@@ -270,6 +270,7 @@ Options:
                                    allowed to access the dev server.
   --no-firewall                    Disable firewall.
   --watch-files <value...>         Watch static files for file changes.
+  --web-socket-server <value>      Allows to set web socket server.
 
 Global options:
   --color                          Enable colors on console.

test/cli/cli.test.js

@@ -629,6 +629,24 @@ describe('CLI', () => {
       .catch(done);
   });
 
+  it('--web-socket-server sockjs', (done) => {
+    testBin('--web-socket-server sockjs')
+      .then((output) => {
+        expect(output.exitCode).toEqual(0);
+        done();
+      })
+      .catch(done);
+  });
+
+  it('--web-socket-server ws', (done) => {
+    testBin('--web-socket-server ws')
+      .then((output) => {
+        expect(output.exitCode).toEqual(0);
+        done();
+      })
+      .catch(done);
+  });
+
   it('should log static', (done) => {
     testBin(
       '--no-color',