Add vue-socket.io to the site.

package.json

@@ -9,7 +9,8 @@
   },
   "dependencies": {
     "core-js": "^3.6.5",
-    "vue": "^2.6.11"
+    "vue": "^2.6.11",
+    "vue-socket.io": "^3.0.10"
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "~4.5.0",

pnpm-lock.yaml

@@ -1,6 +1,7 @@
 dependencies:
   core-js: 3.6.5
   vue: 2.6.12
+  vue-socket.io: 3.0.10
 devDependencies:
   '@vue/cli-plugin-babel': 4.5.6_158dd777044bae538fee5b12e0b3d5c2
   '@vue/cli-plugin-eslint': 4.5.6_667f482cc199ab3b44a87c7a57da4444
@@ -1706,6 +1707,10 @@ packages:
       node: '>= 0.12.0'
     resolution:
       integrity: sha512-aT6camzM4xEA54YVJYSqxz1kv4IHnQZRtThJJHhUMRExaU5spC7jX5ugSwTaTgJliIgs4VhZOk7htClvQ/LmRA==
+  /after/0.8.2:
+    dev: false
+    resolution:
+      integrity: sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=
   /aggregate-error/3.1.0:
     dependencies:
       clean-stack: 2.2.0
@@ -1893,6 +1898,10 @@ packages:
       node: '>=0.10.0'
     resolution:
       integrity: sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
+  /arraybuffer.slice/0.0.7:
+    dev: false
+    resolution:
+      integrity: sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog==
   /asn1.js/5.4.1:
     dependencies:
       bn.js: 4.11.9
@@ -1938,7 +1947,6 @@ packages:
     resolution:
       integrity: sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==
   /async-limiter/1.0.1:
-    dev: true
     resolution:
       integrity: sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
   /async/2.6.3:
@@ -2018,6 +2026,10 @@ packages:
     dev: true
     resolution:
       integrity: sha512-jZVI+s9Zg3IqA/kdi0i6UDCybUI3aSBLnglhYbSSjKlV7yF1F/5LWv8MakQmvYpnbJDS6fcBL2KzHSxNCMtWSQ==
+  /backo2/1.0.2:
+    dev: false
+    resolution:
+      integrity: sha1-MasayLEpNjRj41s+u2n038+6eUc=
   /balanced-match/1.0.0:
     dev: true
     resolution:
@@ -2036,6 +2048,12 @@ packages:
       node: '>=0.10.0'
     resolution:
       integrity: sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==
+  /base64-arraybuffer/0.1.5:
+    dev: false
+    engines:
+      node: '>= 0.6.0'
+    resolution:
+      integrity: sha1-c5JncZI7Whl0etZmqlzUv5xunOg=
   /base64-js/1.3.1:
     dev: true
     resolution:
@@ -2050,6 +2068,12 @@ packages:
     dev: true
     resolution:
       integrity: sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=
+  /better-assert/1.0.2:
+    dependencies:
+      callsite: 1.0.0
+    dev: false
+    resolution:
+      integrity: sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=
   /bfj/6.1.2:
     dependencies:
       bluebird: 3.7.2
@@ -2089,6 +2113,10 @@ packages:
     optional: true
     resolution:
       integrity: sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==
+  /blob/0.0.5:
+    dev: false
+    resolution:
+      integrity: sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig==
   /bluebird/3.7.2:
     dev: true
     resolution:
@@ -2374,6 +2402,10 @@ packages:
       node: '>=4'
     resolution:
       integrity: sha1-Ro+DBE42mrIBD6xfBs7uFbsssfQ=
+  /callsite/1.0.0:
+    dev: false
+    resolution:
+      integrity: sha1-KAOY5dZkvXQDi28JBRU+borxvCA=
   /callsites/2.0.0:
     dev: true
     engines:
@@ -2718,10 +2750,21 @@ packages:
     dev: true
     resolution:
       integrity: sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=
+  /component-bind/1.0.0:
+    dev: false
+    resolution:
+      integrity: sha1-AMYIq33Nk4l8AAllGx06jh5zu9E=
+  /component-emitter/1.2.1:
+    dev: false
+    resolution:
+      integrity: sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=
   /component-emitter/1.3.0:
-    dev: true
     resolution:
       integrity: sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
+  /component-inherit/0.0.3:
+    dev: false
+    resolution:
+      integrity: sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM=
   /compressible/2.0.18:
     dependencies:
       mime-db: 1.44.0
@@ -3165,7 +3208,6 @@ packages:
   /debug/3.1.0:
     dependencies:
       ms: 2.0.0
-    dev: true
     resolution:
       integrity: sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
   /debug/3.2.6:
@@ -3177,7 +3219,6 @@ packages:
   /debug/4.1.1:
     dependencies:
       ms: 2.1.2
-    dev: true
     resolution:
       integrity: sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
   /decamelize/1.2.0:
@@ -3502,6 +3543,32 @@ packages:
     dev: true
     resolution:
       integrity: sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==
+  /engine.io-client/3.4.3:
+    dependencies:
+      component-emitter: 1.3.0
+      component-inherit: 0.0.3
+      debug: 4.1.1
+      engine.io-parser: 2.2.0
+      has-cors: 1.1.0
+      indexof: 0.0.1
+      parseqs: 0.0.5
+      parseuri: 0.0.5
+      ws: 6.1.4
+      xmlhttprequest-ssl: 1.5.5
+      yeast: 0.1.2
+    dev: false
+    resolution:
+      integrity: sha512-0NGY+9hioejTEJCaSJZfWZLk4FPI9dN+1H1C4+wj2iuFba47UgZbJzfWs4aNFajnX/qAaYKbe2lLTfEEWzCmcw==
+  /engine.io-parser/2.2.0:
+    dependencies:
+      after: 0.8.2
+      arraybuffer.slice: 0.0.7
+      base64-arraybuffer: 0.1.5
+      blob: 0.0.5
+      has-binary2: 1.0.3
+    dev: false
+    resolution:
+      integrity: sha512-6I3qD9iUxotsC5HEMuuGsKA0cXerGz+4uGcXQEkfBidgKf0amsjrrtwcbwK/nzpZBxclXlV7gGl9dgWvu4LF6w==
   /enhanced-resolve/4.3.0:
     dependencies:
       graceful-fs: 4.2.4
@@ -4424,6 +4491,16 @@ packages:
       node: '>=0.10.0'
     resolution:
       integrity: sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=
+  /has-binary2/1.0.3:
+    dependencies:
+      isarray: 2.0.1
+    dev: false
+    resolution:
+      integrity: sha512-G1LWKhDSvhGeAQ8mPVQlqNcOB2sJdwATtZKl2pDKKHfpf/rYj24lkinxf69blJbnsvtqqNU+L3SL50vzZhXOnw==
+  /has-cors/1.1.0:
+    dev: false
+    resolution:
+      integrity: sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk=
   /has-flag/3.0.0:
     dev: true
     engines:
@@ -4800,6 +4877,10 @@ packages:
     dev: true
     resolution:
       integrity: sha1-8w9xbI4r00bHtn0985FVZqfAVgc=
+  /indexof/0.0.1:
+    dev: false
+    resolution:
+      integrity: sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10=
   /infer-owner/1.0.4:
     dev: true
     resolution:
@@ -5195,6 +5276,10 @@ packages:
     dev: true
     resolution:
       integrity: sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+  /isarray/2.0.1:
+    dev: false
+    resolution:
+      integrity: sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=
   /isexe/2.0.0:
     dev: true
     resolution:
@@ -5808,7 +5893,6 @@ packages:
     resolution:
       integrity: sha1-viwAX9oy4LKa8fBdfEszIUxwH5I=
   /ms/2.0.0:
-    dev: true
     resolution:
       integrity: sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
   /ms/2.1.1:
@@ -5816,7 +5900,6 @@ packages:
     resolution:
       integrity: sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
   /ms/2.1.2:
-    dev: true
     resolution:
       integrity: sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
   /multicast-dns-service-types/1.1.0:
@@ -6026,6 +6109,10 @@ packages:
       node: '>=0.10.0'
     resolution:
       integrity: sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
+  /object-component/0.0.3:
+    dev: false
+    resolution:
+      integrity: sha1-8MaapQ78lbhmwYb0AKM3acsvEpE=
   /object-copy/0.1.0:
     dependencies:
       copy-descriptor: 0.1.1
@@ -6341,6 +6428,18 @@ packages:
     dev: true
     resolution:
       integrity: sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==
+  /parseqs/0.0.5:
+    dependencies:
+      better-assert: 1.0.2
+    dev: false
+    resolution:
+      integrity: sha1-1SCKNzjkZ2bikbouoXNoSSGouJ0=
+  /parseuri/0.0.5:
+    dependencies:
+      better-assert: 1.0.2
+    dev: false
+    resolution:
+      integrity: sha1-gCBKUNTbt3m/3G6+J3jZDkvOMgo=
   /parseurl/1.3.3:
     dev: true
     engines:
@@ -7632,6 +7731,33 @@ packages:
       node: '>=0.10.0'
     resolution:
       integrity: sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==
+  /socket.io-client/2.3.0:
+    dependencies:
+      backo2: 1.0.2
+      base64-arraybuffer: 0.1.5
+      component-bind: 1.0.0
+      component-emitter: 1.2.1
+      debug: 4.1.1
+      engine.io-client: 3.4.3
+      has-binary2: 1.0.3
+      has-cors: 1.1.0
+      indexof: 0.0.1
+      object-component: 0.0.3
+      parseqs: 0.0.5
+      parseuri: 0.0.5
+      socket.io-parser: 3.3.0
+      to-array: 0.1.4
+    dev: false
+    resolution:
+      integrity: sha512-cEQQf24gET3rfhxZ2jJ5xzAOo/xhZwK+mOqtGRg5IowZsMgwvHwnf/mCRapAAkadhM26y+iydgwsXGObBB5ZdA==
+  /socket.io-parser/3.3.0:
+    dependencies:
+      component-emitter: 1.2.1
+      debug: 3.1.0
+      isarray: 2.0.1
+    dev: false
+    resolution:
+      integrity: sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==
   /sockjs-client/1.4.0:
     dependencies:
       debug: 3.2.6
@@ -8181,6 +8307,10 @@ packages:
       node: '>=0.6.0'
     resolution:
       integrity: sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==
+  /to-array/0.1.4:
+    dev: false
+    resolution:
+      integrity: sha1-F+bBH3PdTz10zaek/zI46a2b+JA=
   /to-arraybuffer/1.0.1:
     dev: true
     resolution:
@@ -8609,6 +8739,12 @@ packages:
     optional: true
     resolution:
       integrity: sha512-xQ8/GZmRPdQ3EinnE0IXwdVoDzh7Dowo0MowoyBuScEBXrRabw6At5/IdtD3waKklKW5PGokPsm8KRN6rvQ1cw==
+  /vue-socket.io/3.0.10:
+    dependencies:
+      socket.io-client: 2.3.0
+    dev: false
+    resolution:
+      integrity: sha512-XGYjD30Q9xAeHpBnp2SU+ljEe59qpGKaAQe4VOO9ezuly09MlzrT2ZZPJu3BVFpQwKdjQDz1I2fV9r4YjlZDCA==
   /vue-style-loader/4.1.2:
     dependencies:
       hash-sum: 1.0.2
@@ -8909,12 +9045,24 @@ packages:
       node: '>=4'
     resolution:
       integrity: sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==
+  /ws/6.1.4:
+    dependencies:
+      async-limiter: 1.0.1
+    dev: false
+    resolution:
+      integrity: sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==
   /ws/6.2.1:
     dependencies:
       async-limiter: 1.0.1
     dev: true
     resolution:
       integrity: sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
+  /xmlhttprequest-ssl/1.5.5:
+    dev: false
+    engines:
+      node: '>=0.4.0'
+    resolution:
+      integrity: sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=
   /xtend/4.0.2:
     dev: true
     engines:
@@ -8986,6 +9134,10 @@ packages:
       node: '>=8'
     resolution:
       integrity: sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==
+  /yeast/0.1.2:
+    dev: false
+    resolution:
+      integrity: sha1-AI4G2AlDIMNy28L47XagymyKxBk=
   /yorkie/2.0.0:
     dependencies:
       execa: 0.8.0
@@ -9010,4 +9162,5 @@ specifiers:
   stylus: ^0.54.7
   stylus-loader: ^3.0.2
   vue: ^2.6.11
+  vue-socket.io: ^3.0.10
   vue-template-compiler: ^2.6.11