Publish badge (#103)

* Add last publish badge

* Run post-build command in workflow

4 files changed, 71 insertions, 2 deletions

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 003a648..295ed07 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -46,6 +46,8 @@ jobs:
       run: npm run clean
     - name: Run Gatsby Build
       run: npm run build --if-present
+    - name: Run post-build
+      run: npm run post-build
     - name: Commit public changes
       uses: actions-js/push@master
       with:
diff --git a/README.md b/README.md
index 9327962..a853df7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # [submelon.dev](https://submelon.dev)
 
-[![submelon.dev build](https://github.com/kjhoerr/submelon.dev/actions/workflows/build.yml/badge.svg)](https://github.com/kjhoerr/submelon.dev/actions/workflows/build.yml) [![License: BlueOak 1.0.0](https://img.shields.io/badge/License-BlueOak_1.0.0-green.svg)](https://blueoakcouncil.org/license/1.0.0)
+[![submelon.dev build](https://github.com/kjhoerr/submelon.dev/actions/workflows/build.yml/badge.svg)](https://github.com/kjhoerr/submelon.dev/actions/workflows/build.yml) [![License: BlueOak 1.0.0](https://img.shields.io/badge/License-BlueOak_1.0.0-green.svg)](https://blueoakcouncil.org/license/1.0.0) ![Date of last publish](public/publish-badge.svg)
 
 A "link-in-bio" site of sorts, with other resources available for reference.
 
diff --git a/package-lock.json b/package-lock.json
index 6f0b0a7..778fa4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,6 +32,7 @@
         "@types/styled-components": "^5.1.26",
         "@typescript-eslint/eslint-plugin": "^5.51.0",
         "@typescript-eslint/parser": "^5.49.0",
+        "badgen-cli": "^0.2.0",
         "eslint": "^8.34.0",
         "eslint-config-prettier": "^8.6.0",
         "eslint-plugin-prettier": "^4.2.1",
@@ -5292,6 +5293,32 @@
         "babylon": "bin/babylon.js"
       }
     },
+    "node_modules/badgen": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/badgen/-/badgen-3.2.2.tgz",
+      "integrity": "sha512-MfBNhOzp+qbTg/3BAeaK1g+VE3uZ0CRfqMyrfyI3JUBz7b+DwxrZbYQdz5JQnibRih9YOVzXuVJl3A3xaWXfFQ==",
+      "dev": true
+    },
+    "node_modules/badgen-cli": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/badgen-cli/-/badgen-cli-0.2.0.tgz",
+      "integrity": "sha512-G8ZmZ4tdCBQR8OObNGId/wnUdUPCMueS7tPJvYy7AwSDymgm2u5Io6qyKoOvaVqjrzCL5nrUNUoWadbch3KF1Q==",
+      "dev": true,
+      "dependencies": {
+        "badgen": "^3.0.1",
+        "badgen-icons": "^0.13.0",
+        "mri": "^1.1.4"
+      },
+      "bin": {
+        "badgen": "cli.js"
+      }
+    },
+    "node_modules/badgen-icons": {
+      "version": "0.13.0",
+      "resolved": "https://registry.npmjs.org/badgen-icons/-/badgen-icons-0.13.0.tgz",
+      "integrity": "sha512-141IsBlhz3zN81ZGhNkCJ12mjmsKlkaoD5gwyeeBjTJVZS+6NnkFbIfUNbRGDQm6nsEMsbpN9TslrAQ6IzPWHg==",
+      "dev": true
+    },
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -11783,6 +11810,15 @@
         "node": "*"
       }
     },
+    "node_modules/mri": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mri/-/mri-1.2.0.tgz",
+      "integrity": "sha512-tzzskb3bG8LvYGFF/mDTpq3jpI6Q9wc3LEmBaghu+DdCssd1FakN7Bc0hVNmEyGq1bq3RgfkCb3cmQLpNPOroA==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -20463,6 +20499,29 @@
       "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
       "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ=="
     },
+    "badgen": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/badgen/-/badgen-3.2.2.tgz",
+      "integrity": "sha512-MfBNhOzp+qbTg/3BAeaK1g+VE3uZ0CRfqMyrfyI3JUBz7b+DwxrZbYQdz5JQnibRih9YOVzXuVJl3A3xaWXfFQ==",
+      "dev": true
+    },
+    "badgen-cli": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/badgen-cli/-/badgen-cli-0.2.0.tgz",
+      "integrity": "sha512-G8ZmZ4tdCBQR8OObNGId/wnUdUPCMueS7tPJvYy7AwSDymgm2u5Io6qyKoOvaVqjrzCL5nrUNUoWadbch3KF1Q==",
+      "dev": true,
+      "requires": {
+        "badgen": "^3.0.1",
+        "badgen-icons": "^0.13.0",
+        "mri": "^1.1.4"
+      }
+    },
+    "badgen-icons": {
+      "version": "0.13.0",
+      "resolved": "https://registry.npmjs.org/badgen-icons/-/badgen-icons-0.13.0.tgz",
+      "integrity": "sha512-141IsBlhz3zN81ZGhNkCJ12mjmsKlkaoD5gwyeeBjTJVZS+6NnkFbIfUNbRGDQm6nsEMsbpN9TslrAQ6IzPWHg==",
+      "dev": true
+    },
     "balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -25276,6 +25335,12 @@
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
       "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
+    "mri": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mri/-/mri-1.2.0.tgz",
+      "integrity": "sha512-tzzskb3bG8LvYGFF/mDTpq3jpI6Q9wc3LEmBaghu+DdCssd1FakN7Bc0hVNmEyGq1bq3RgfkCb3cmQLpNPOroA==",
+      "dev": true
+    },
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
diff --git a/package.json b/package.json
index b8b7e68..e8aae1f 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,8 @@
     "build": "gatsby build",
     "serve": "gatsby serve",
     "clean": "gatsby clean",
-    "lint": "eslint src --ext ts --ext tsx --ext js --ext jsx"
+    "lint": "eslint src --ext ts --ext tsx --ext js --ext jsx",
+    "post-build": "badgen -j \"Last Publish\" -s \"$(date --date=\"@$(cat gatsby-config.ts | grep 'version' | grep -oe '[0-9]*')\" -I)\" -c blue > public/publish-badge.svg"
   },
   "dependencies": {
     "babel-plugin-styled-components": "^2.0.7",
@@ -44,6 +45,7 @@
     "@types/styled-components": "^5.1.26",
     "@typescript-eslint/eslint-plugin": "^5.51.0",
     "@typescript-eslint/parser": "^5.49.0",
+    "badgen-cli": "^0.2.0",
     "eslint": "^8.34.0",
     "eslint-config-prettier": "^8.6.0",
     "eslint-plugin-prettier": "^4.2.1",