ci build failed. sass and node-sass missing

package-lock.json

@@ -1317,6 +1317,102 @@
               }
             }
           }
+        },
+        "node-sass": {
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+          "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz",
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+          "dev": true,
+          "requires": {
+            "async-foreach": "^0.1.3",
+            "chalk": "^1.1.1",
+            "cross-spawn": "^3.0.0",
+            "gaze": "^1.0.0",
+            "get-stdin": "^4.0.1",
+            "glob": "^7.0.3",
+            "in-publish": "^2.0.0",
+            "lodash": "^4.17.15",
+            "meow": "^3.7.0",
+            "mkdirp": "^0.5.1",
+            "nan": "^2.13.2",
+            "node-gyp": "^3.8.0",
+            "npmlog": "^4.0.0",
+            "request": "^2.88.0",
+            "sass-graph": "^2.2.4",
+            "stdout-stream": "^1.4.0",
+            "true-case-path": "^1.0.2"
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+          "dependencies": {
+            "ansi-styles": {
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+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+              "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+              "dev": true
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+            "chalk": {
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+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+              "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+              "dev": true,
+              "requires": {
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+                "escape-string-regexp": "^1.0.2",
+                "has-ansi": "^2.0.0",
+                "strip-ansi": "^3.0.0",
+                "supports-color": "^2.0.0"
+              }
+            },
+            "cross-spawn": {
+              "version": "3.0.1",
+              "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-3.0.1.tgz",
+              "integrity": "sha1-ElYDfsufDF9549bvE14wdwGEuYI=",
+              "dev": true,
+              "requires": {
+                "lru-cache": "^4.0.1",
+                "which": "^1.2.9"
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+            "lru-cache": {
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+              "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
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+                "yallist": "^2.1.2"
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+            "strip-ansi": {
+              "version": "3.0.1",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+              "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+              "dev": true,
+              "requires": {
+                "ansi-regex": "^2.0.0"
+              }
+            },
+            "supports-color": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
+              "dev": true
+            }
+          }
+        },
+        "which": {
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+          "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+          "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        },
+        "yallist": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+          "dev": true
         }
       }
     },
@@ -8917,9 +9013,9 @@
       "dev": true
     },
     "node-sass": {
-      "version": "4.13.1",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz",
-      "integrity": "sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==",
+      "version": "4.14.0",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.14.0.tgz",
+      "integrity": "sha512-AxqU+DFpk0lEz95sI6jO0hU0Rwyw7BXVEv6o9OItoXLyeygPeaSpiV4rwQb10JiTghHaa0gZeD21sz+OsQluaw==",
       "dev": true,
       "requires": {
         "async-foreach": "^0.1.3",
@@ -11216,6 +11312,15 @@
         "truncate-utf8-bytes": "^1.0.0"
       }
     },
+    "sass": {
+      "version": "1.26.3",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.26.3.tgz",
+      "integrity": "sha512-5NMHI1+YFYw4sN3yfKjpLuV9B5l7MqQ6FlkTcC4FT+oHbBRUZoSjHrrt/mE0nFXJyY2kQtU9ou9HxvFVjLFuuw==",
+      "dev": true,
+      "requires": {
+        "chokidar": ">=2.0.0 <4.0.0"
+      }
+    },
     "sass-graph": {
       "version": "2.2.4",
       "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.4.tgz",

package.json

@@ -26,6 +26,8 @@
     "eslint-loader": "^3.0.3",
     "eslint-plugin-import": "^2.20.1",
     "eslint-plugin-vue": "^6.1.2",
+    "node-sass": "^4.14.0",
+    "sass": "^1.26.3",
     "sass-loader": "^8.0.2"
   },
   "engines": {