Add SVG optimization action

.github/workflows/optimize-svgs.yml

@@ -0,0 +1,37 @@
+name: optimize-svgs
+run-name: Optimize SVG size with SVGO
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '**.svg'
+  pull_request:
+    paths:
+      - '**.svg'
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  run-svgo:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ericcornelissen/svgo-action@v3
+        id: svgo
+        with:
+          repo-token: ${{secrets.GITHUB_TOKEN}}
+          svgo-version: 3
+      - name: Commit optimizations
+        uses: stefanzweifel/git-auto-commit-action@v4
+        if: ${{steps.svgo.outputs.DID_OPTIMIZE}}
+        with:
+          commit_message: Optimize ${{steps.svgo.outputs.OPTIMIZED_COUNT}} SVG(s)
+      - name: Comment on Pull Request
+        uses: thollander/actions-comment-pull-request@v1
+        if: ${{steps.svgo.outputs.DID_OPTIMIZE && github.event_name == 'pull_request'}}
+        with:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+          message: Optimized ${{steps.svgo.outputs.OPTIMIZED_COUNT}} SVG(s)

svgo.config.js

@@ -0,0 +1,31 @@
+module.exports = {
+  multipass: true,
+  plugins: [
+    {
+      name: 'preset-default',
+      params: {
+        overrides: {
+          convertColors: {
+          	shortname: false,
+          },
+          removeViewBox: false,
+          removeUselessStrokeAndFill : {
+          	removeNone: true,
+          },
+        },
+      },
+    },
+    'convertStyleToAttrs',
+    'removeDimensions',
+    'removeRasterImages',
+    'removeScriptElement',
+    'removeStyleElement',
+    {
+      name: 'removeAttrs',
+      params: {
+        attrs: 'svg:fill:none|svg:xml:space',
+      },
+    },
+  ],
+};
+