Added preliminary code for the express-flasher flash message integration - will uncomment code tomorrow when package can be published

index.js

@@ -1,4 +1,6 @@
 const express = require('express');
+const session = require('express-session');
+//const flash = require('express-flasher');
 
 // instantiate new express.js app
 const app = express();
@@ -12,6 +14,17 @@ const port = 3000;
   });
 })();
 
+// initialize express.js session
+app.use(session({
+  resave: false, // don't save session if unmodified
+  saveUninitialized: false, // don't create session until something stored
+  secret: 'lord of the rings',
+}));
+
+// setup flash messaging
+//app.use(flash.flash());
+//app.use(flash.flashRead());
+
 // set up body POST parameters
 app.use(express.json());
 app.use(express.urlencoded({

package-lock.json

@@ -1,16 +1,17 @@
 {
   "name": "overseer",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "overseer",
-      "version": "0.1.0",
+      "version": "0.1.1",
       "license": "BSD-2-Clause",
       "dependencies": {
         "config": "^3.3.8",
         "express": "^4.18.2",
+        "express-session": "^1.17.3",
         "sequelize": "^6.25.3",
         "sqlite3": "^5.1.2",
         "twig": "^1.15.4"
@@ -2363,6 +2364,51 @@
         "node": ">= 0.10.0"
       }
     },
+    "node_modules/express-session": {
+      "version": "1.17.3",
+      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.17.3.tgz",
+      "integrity": "sha512-4+otWXlShYlG1Ma+2Jnn+xgKUZTMJ5QD3YvfilX3AcocOAbIkVylSWEklzALe/+Pu4qV6TYBj5GwOBFfdKqLBw==",
+      "dependencies": {
+        "cookie": "0.4.2",
+        "cookie-signature": "1.0.6",
+        "debug": "2.6.9",
+        "depd": "~2.0.0",
+        "on-headers": "~1.0.2",
+        "parseurl": "~1.3.3",
+        "safe-buffer": "5.2.1",
+        "uid-safe": "~2.1.5"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/express-session/node_modules/cookie": {
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+      "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/express-session/node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
     "node_modules/express/node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -5695,6 +5741,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/on-headers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
+      "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -6213,6 +6267,14 @@
         }
       ]
     },
+    "node_modules/random-bytes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
+      "integrity": "sha512-iv7LhNVO047HzYR3InF6pUcUsPQiHTM1Qal51DcGSuZFBil1aBBWG5eHPNek7bvILMaYJ/8RU1e8w1AMdHmLQQ==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -7928,6 +7990,17 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/uid-safe": {
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
+      "integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
+      "dependencies": {
+        "random-bytes": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/unc-path-regex": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
@@ -10290,6 +10363,33 @@
         }
       }
     },
+    "express-session": {
+      "version": "1.17.3",
+      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.17.3.tgz",
+      "integrity": "sha512-4+otWXlShYlG1Ma+2Jnn+xgKUZTMJ5QD3YvfilX3AcocOAbIkVylSWEklzALe/+Pu4qV6TYBj5GwOBFfdKqLBw==",
+      "requires": {
+        "cookie": "0.4.2",
+        "cookie-signature": "1.0.6",
+        "debug": "2.6.9",
+        "depd": "~2.0.0",
+        "on-headers": "~1.0.2",
+        "parseurl": "~1.3.3",
+        "safe-buffer": "5.2.1",
+        "uid-safe": "~2.1.5"
+      },
+      "dependencies": {
+        "cookie": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+          "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA=="
+        },
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        }
+      }
+    },
     "ext": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/ext/-/ext-1.7.0.tgz",
@@ -12886,6 +12986,11 @@
         "ee-first": "1.1.1"
       }
     },
+    "on-headers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
+      "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA=="
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -13274,6 +13379,11 @@
       "integrity": "sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==",
       "dev": true
     },
+    "random-bytes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
+      "integrity": "sha512-iv7LhNVO047HzYR3InF6pUcUsPQiHTM1Qal51DcGSuZFBil1aBBWG5eHPNek7bvILMaYJ/8RU1e8w1AMdHmLQQ=="
+    },
     "range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -14571,6 +14681,14 @@
       "dev": true,
       "optional": true
     },
+    "uid-safe": {
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
+      "integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
+      "requires": {
+        "random-bytes": "~1.0.0"
+      }
+    },
     "unc-path-regex": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",

package.json

@@ -21,7 +21,10 @@
   ],
   "author": "Gregory Ballanine <gballantine@bitgoblin.tech>",
   "uploaders": [
-    { "name": "Gregory Ballantine", "email": "gballantine@bitgoblin.tech" }
+    {
+      "name": "Gregory Ballantine",
+      "email": "gballantine@bitgoblin.tech"
+    }
   ],
   "license": "BSD-2-Clause",
   "devDependencies": {
@@ -38,6 +41,7 @@
   "dependencies": {
     "config": "^3.3.8",
     "express": "^4.18.2",
+    "express-session": "^1.17.3",
     "sequelize": "^6.25.3",
     "sqlite3": "^5.1.2",
     "twig": "^1.15.4"

src/routes/home.js

@@ -10,6 +10,8 @@ exports.getIndex = async function(req, res) {
     ],
   });
 
+  //req.flash('info', 'This is a test flash message.');
+
   res.render('index.twig', {
     inventory: items,
   });

views/layout.twig

@@ -24,6 +24,12 @@
     </div>
   </nav>
 
+  {% if flash != null %}
+    <div class="flash-message {{ flash.type }}">
+      <p>{{ flash.msg }}</p>
+    </div>
+  {% endif %}
+
   <!-- main content -->
   <div id="main-content" class="container fluid">
     {% block content %}{% endblock %}