sss

package-lock.json

@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "dependencies": {
         "core-js": "^3.6.5",
-        "socket.io-client": "^4.1.2",
+        "socket.io-client": "^2.4.0",
         "vue": "^2.6.11",
         "vue-class-component": "^7.2.3",
         "vue-property-decorator": "^9.1.2"
@@ -1767,11 +1767,6 @@
         "@types/node": "*"
       }
     },
-    "node_modules/@types/component-emitter": {
-      "version": "1.2.10",
-      "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz",
-      "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg=="
-    },
     "node_modules/@types/connect": {
       "version": "3.4.34",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.34.tgz",
@@ -3193,6 +3188,11 @@
         "node": ">= 0.12.0"
       }
     },
+    "node_modules/after": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
+      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
+    },
     "node_modules/ajv": {
       "version": "6.12.6",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@@ -3407,6 +3407,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/arraybuffer.slice": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
+    },
     "node_modules/asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -3838,6 +3843,11 @@
         "file-uri-to-path": "1.0.0"
       }
     },
+    "node_modules/blob": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
+      "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig=="
+    },
     "node_modules/bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -4824,11 +4834,21 @@
       "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=",
       "dev": true
     },
+    "node_modules/component-bind": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
+      "integrity": "sha1-AMYIq33Nk4l8AAllGx06jh5zu9E="
+    },
     "node_modules/component-emitter": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
       "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
     },
+    "node_modules/component-inherit": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
+      "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM="
+    },
     "node_modules/compressible": {
       "version": "2.0.18",
       "resolved": "https://registry.npmjs.org/compressible/-/compressible-2.0.18.tgz",
@@ -5621,6 +5641,7 @@
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
       "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+      "dev": true,
       "dependencies": {
         "ms": "2.1.2"
       },
@@ -6228,21 +6249,36 @@
       }
     },
     "node_modules/engine.io-client": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-5.1.1.tgz",
-      "integrity": "sha512-jPFpw2HLL0lhZ2KY0BpZhIJdleQcUO9W1xkIpo0h3d6s+5D6+EV/xgQw9qWOmymszv2WXef/6KUUehyxEKomlQ==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.2.tgz",
+      "integrity": "sha512-QEqIp+gJ/kMHeUun7f5Vv3bteRHppHH/FMBQX/esFj/fuYfjyUKWGMo3VCvIP/V8bE9KcjHmRZrhIz2Z9oNsDA==",
       "dependencies": {
-        "base64-arraybuffer": "0.1.4",
         "component-emitter": "~1.3.0",
-        "debug": "~4.3.1",
-        "engine.io-parser": "~4.0.1",
+        "component-inherit": "0.0.3",
+        "debug": "~3.1.0",
+        "engine.io-parser": "~2.2.0",
         "has-cors": "1.1.0",
+        "indexof": "0.0.1",
         "parseqs": "0.0.6",
         "parseuri": "0.0.6",
         "ws": "~7.4.2",
+        "xmlhttprequest-ssl": "~1.6.2",
         "yeast": "0.1.2"
       }
     },
+    "node_modules/engine.io-client/node_modules/debug": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/engine.io-client/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+    },
     "node_modules/engine.io-client/node_modules/ws": {
       "version": "7.4.6",
       "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
@@ -6264,14 +6300,15 @@
       }
     },
     "node_modules/engine.io-parser": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-4.0.2.tgz",
-      "integrity": "sha512-sHfEQv6nmtJrq6TKuIz5kyEKH/qSdK56H/A+7DnAuUPWosnIZAS2NHNcPLmyjtY3cGS/MqJdZbUjW97JU72iYg==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+      "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
       "dependencies": {
-        "base64-arraybuffer": "0.1.4"
-      },
-      "engines": {
-        "node": ">=8.0.0"
+        "after": "0.8.2",
+        "arraybuffer.slice": "~0.0.7",
+        "base64-arraybuffer": "0.1.4",
+        "blob": "0.0.5",
+        "has-binary2": "~1.0.2"
       }
     },
     "node_modules/enhanced-resolve": {
@@ -7967,6 +8004,19 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/has-binary2": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/has-binary2/-/has-binary2-1.0.3.tgz",
+      "integrity": "sha512-G1LWKhDSvhGeAQ8mPVQlqNcOB2sJdwATtZKl2pDKKHfpf/rYj24lkinxf69blJbnsvtqqNU+L3SL50vzZhXOnw==",
+      "dependencies": {
+        "isarray": "2.0.1"
+      }
+    },
+    "node_modules/has-binary2/node_modules/isarray": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+      "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+    },
     "node_modules/has-cors": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
@@ -8578,6 +8628,11 @@
       "integrity": "sha1-8w9xbI4r00bHtn0985FVZqfAVgc=",
       "dev": true
     },
+    "node_modules/indexof": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
+      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
+    },
     "node_modules/infer-owner": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/infer-owner/-/infer-owner-1.0.4.tgz",
@@ -10098,7 +10153,8 @@
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+      "dev": true
     },
     "node_modules/multicast-dns": {
       "version": "6.2.3",
@@ -13127,35 +13183,64 @@
       "dev": true
     },
     "node_modules/socket.io-client": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.1.2.tgz",
-      "integrity": "sha512-RDpWJP4DQT1XeexmeDyDkm0vrFc0+bUsHDKiVGaNISJvJonhQQOMqV9Vwfg0ZpPJ27LCdan7iqTI92FRSOkFWQ==",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.4.0.tgz",
+      "integrity": "sha512-M6xhnKQHuuZd4Ba9vltCLT9oa+YvTsP8j9NcEiLElfIg8KeYPyhWOes6x4t+LTAC8enQbE/995AdTem2uNyKKQ==",
       "dependencies": {
-        "@types/component-emitter": "^1.2.10",
-        "backo2": "~1.0.2",
+        "backo2": "1.0.2",
+        "component-bind": "1.0.0",
         "component-emitter": "~1.3.0",
-        "debug": "~4.3.1",
-        "engine.io-client": "~5.1.1",
+        "debug": "~3.1.0",
+        "engine.io-client": "~3.5.0",
+        "has-binary2": "~1.0.2",
+        "indexof": "0.0.1",
+        "parseqs": "0.0.6",
         "parseuri": "0.0.6",
-        "socket.io-parser": "~4.0.4"
-      },
-      "engines": {
-        "node": ">=10.0.0"
+        "socket.io-parser": "~3.3.0",
+        "to-array": "0.1.4"
+      }
+    },
+    "node_modules/socket.io-client/node_modules/debug": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "dependencies": {
+        "ms": "2.0.0"
       }
     },
+    "node_modules/socket.io-client/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+    },
     "node_modules/socket.io-parser": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.0.4.tgz",
-      "integrity": "sha512-t+b0SS+IxG7Rxzda2EVvyBZbvFPBCjJoyHuE0P//7OAsN23GItzDRdWa6ALxZI/8R5ygK7jAR6t028/z+7295g==",
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+      "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
       "dependencies": {
-        "@types/component-emitter": "^1.2.10",
         "component-emitter": "~1.3.0",
-        "debug": "~4.3.1"
-      },
-      "engines": {
-        "node": ">=10.0.0"
+        "debug": "~3.1.0",
+        "isarray": "2.0.1"
       }
     },
+    "node_modules/socket.io-parser/node_modules/debug": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/socket.io-parser/node_modules/isarray": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+      "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+    },
+    "node_modules/socket.io-parser/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+    },
     "node_modules/sockjs": {
       "version": "0.3.21",
       "resolved": "https://registry.npmjs.org/sockjs/-/sockjs-0.3.21.tgz",
@@ -14133,6 +14218,11 @@
         "node": ">=0.6.0"
       }
     },
+    "node_modules/to-array": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
+      "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
+    },
     "node_modules/to-arraybuffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
@@ -16189,6 +16279,14 @@
         "async-limiter": "~1.0.0"
       }
     },
+    "node_modules/xmlhttprequest-ssl": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz",
+      "integrity": "sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q==",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
@@ -17669,11 +17767,6 @@
         "@types/node": "*"
       }
     },
-    "@types/component-emitter": {
-      "version": "1.2.10",
-      "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz",
-      "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg=="
-    },
     "@types/connect": {
       "version": "3.4.34",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.34.tgz",
@@ -18799,6 +18892,11 @@
       "integrity": "sha512-aT6camzM4xEA54YVJYSqxz1kv4IHnQZRtThJJHhUMRExaU5spC7jX5ugSwTaTgJliIgs4VhZOk7htClvQ/LmRA==",
       "dev": true
     },
+    "after": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
+      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
+    },
     "ajv": {
       "version": "6.12.6",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@@ -18949,6 +19047,11 @@
       "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
       "dev": true
     },
+    "arraybuffer.slice": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
+    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -19297,6 +19400,11 @@
         "file-uri-to-path": "1.0.0"
       }
     },
+    "blob": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
+      "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig=="
+    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -20118,11 +20226,21 @@
       "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=",
       "dev": true
     },
+    "component-bind": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
+      "integrity": "sha1-AMYIq33Nk4l8AAllGx06jh5zu9E="
+    },
     "component-emitter": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
       "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
     },
+    "component-inherit": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
+      "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM="
+    },
     "compressible": {
       "version": "2.0.18",
       "resolved": "https://registry.npmjs.org/compressible/-/compressible-2.0.18.tgz",
@@ -20763,6 +20881,7 @@
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
       "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+      "dev": true,
       "requires": {
         "ms": "2.1.2"
       }
@@ -21250,21 +21369,36 @@
       }
     },
     "engine.io-client": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-5.1.1.tgz",
-      "integrity": "sha512-jPFpw2HLL0lhZ2KY0BpZhIJdleQcUO9W1xkIpo0h3d6s+5D6+EV/xgQw9qWOmymszv2WXef/6KUUehyxEKomlQ==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.2.tgz",
+      "integrity": "sha512-QEqIp+gJ/kMHeUun7f5Vv3bteRHppHH/FMBQX/esFj/fuYfjyUKWGMo3VCvIP/V8bE9KcjHmRZrhIz2Z9oNsDA==",
       "requires": {
-        "base64-arraybuffer": "0.1.4",
         "component-emitter": "~1.3.0",
-        "debug": "~4.3.1",
-        "engine.io-parser": "~4.0.1",
+        "component-inherit": "0.0.3",
+        "debug": "~3.1.0",
+        "engine.io-parser": "~2.2.0",
         "has-cors": "1.1.0",
+        "indexof": "0.0.1",
         "parseqs": "0.0.6",
         "parseuri": "0.0.6",
         "ws": "~7.4.2",
+        "xmlhttprequest-ssl": "~1.6.2",
         "yeast": "0.1.2"
       },
       "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        },
         "ws": {
           "version": "7.4.6",
           "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
@@ -21274,11 +21408,15 @@
       }
     },
     "engine.io-parser": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-4.0.2.tgz",
-      "integrity": "sha512-sHfEQv6nmtJrq6TKuIz5kyEKH/qSdK56H/A+7DnAuUPWosnIZAS2NHNcPLmyjtY3cGS/MqJdZbUjW97JU72iYg==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+      "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
       "requires": {
-        "base64-arraybuffer": "0.1.4"
+        "after": "0.8.2",
+        "arraybuffer.slice": "~0.0.7",
+        "base64-arraybuffer": "0.1.4",
+        "blob": "0.0.5",
+        "has-binary2": "~1.0.2"
       }
     },
     "enhanced-resolve": {
@@ -22607,6 +22745,21 @@
       "integrity": "sha512-LSBS2LjbNBTf6287JEbEzvJgftkF5qFkmCo9hDRpAzKhUOlJ+hx8dd4USs00SgsUNwc4617J9ki5YtEClM2ffA==",
       "dev": true
     },
+    "has-binary2": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/has-binary2/-/has-binary2-1.0.3.tgz",
+      "integrity": "sha512-G1LWKhDSvhGeAQ8mPVQlqNcOB2sJdwATtZKl2pDKKHfpf/rYj24lkinxf69blJbnsvtqqNU+L3SL50vzZhXOnw==",
+      "requires": {
+        "isarray": "2.0.1"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        }
+      }
+    },
     "has-cors": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
@@ -23076,6 +23229,11 @@
       "integrity": "sha1-8w9xbI4r00bHtn0985FVZqfAVgc=",
       "dev": true
     },
+    "indexof": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
+      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
+    },
     "infer-owner": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/infer-owner/-/infer-owner-1.0.4.tgz",
@@ -24274,7 +24432,8 @@
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+      "dev": true
     },
     "multicast-dns": {
       "version": "6.2.3",
@@ -26783,27 +26942,66 @@
       }
     },
     "socket.io-client": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.1.2.tgz",
-      "integrity": "sha512-RDpWJP4DQT1XeexmeDyDkm0vrFc0+bUsHDKiVGaNISJvJonhQQOMqV9Vwfg0ZpPJ27LCdan7iqTI92FRSOkFWQ==",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.4.0.tgz",
+      "integrity": "sha512-M6xhnKQHuuZd4Ba9vltCLT9oa+YvTsP8j9NcEiLElfIg8KeYPyhWOes6x4t+LTAC8enQbE/995AdTem2uNyKKQ==",
       "requires": {
-        "@types/component-emitter": "^1.2.10",
-        "backo2": "~1.0.2",
+        "backo2": "1.0.2",
+        "component-bind": "1.0.0",
         "component-emitter": "~1.3.0",
-        "debug": "~4.3.1",
-        "engine.io-client": "~5.1.1",
+        "debug": "~3.1.0",
+        "engine.io-client": "~3.5.0",
+        "has-binary2": "~1.0.2",
+        "indexof": "0.0.1",
+        "parseqs": "0.0.6",
         "parseuri": "0.0.6",
-        "socket.io-parser": "~4.0.4"
+        "socket.io-parser": "~3.3.0",
+        "to-array": "0.1.4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
       }
     },
     "socket.io-parser": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.0.4.tgz",
-      "integrity": "sha512-t+b0SS+IxG7Rxzda2EVvyBZbvFPBCjJoyHuE0P//7OAsN23GItzDRdWa6ALxZI/8R5ygK7jAR6t028/z+7295g==",
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+      "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
       "requires": {
-        "@types/component-emitter": "^1.2.10",
         "component-emitter": "~1.3.0",
-        "debug": "~4.3.1"
+        "debug": "~3.1.0",
+        "isarray": "2.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
       }
     },
     "sockjs": {
@@ -27623,6 +27821,11 @@
         "os-tmpdir": "~1.0.2"
       }
     },
+    "to-array": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
+      "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
+    },
     "to-arraybuffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
@@ -29272,6 +29475,11 @@
         "async-limiter": "~1.0.0"
       }
     },
+    "xmlhttprequest-ssl": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz",
+      "integrity": "sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q=="
+    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",

package.json

@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "core-js": "^3.6.5",
-    "socket.io-client": "^4.1.2",
+    "socket.io-client": "^2.4.0",
     "vue": "^2.6.11",
     "vue-class-component": "^7.2.3",
     "vue-property-decorator": "^9.1.2"