re-enable CI

.github/FUNDING.yml

@@ -0,0 +1,4 @@
+# These are supported funding model platforms
+
+#github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: bezierinfo

.github/workflows/ci.yml

@@ -0,0 +1,78 @@
+name: CI-CD
+
+on:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/fonts'
+      - 'docs/images'
+      - 'docs/ja-JP'
+      - 'docs/uk-UA'
+      - 'docs/zn-CH'
+      - 'docs/*.{html,php,md,css}'
+      - 'docs/news/*.html'
+      - 'temp'
+      - 'README.md'
+
+jobs:
+  build:
+    name: Building the Primer website
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Installing TeX Live
+        run: |
+          sudo apt-get update
+          sudo apt-get install xzdec libpoppler-glib-dev texlive texlive-xetex texlive-extra-utils -y
+
+      - name: Installing pdf2svg
+        run: |
+          set +e
+          rm -f *.tar.gz
+          set -e
+          wget https://github.com/dawbarton/pdf2svg/archive/v0.2.3.tar.gz
+          tar -zxf v0.2.3.tar.gz
+          cd pdf2svg-0.2.3
+          ./configure
+          make
+          sudo make install
+          cd ..
+          set +e
+          rm -rf pdf2svg-0.2.3
+          rm v0.2.3.tar.gz
+          pdf2svg
+          set -e
+
+      - name: Installing latest Node
+        run: |
+          wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
+          sh ~/.nvm/nvm.sh install latest
+          sh ~/.nvm/nvm.sh use latest
+
+      - name: Installing dependencies
+        run: |
+          npm install
+          echo "finished installing dependencies"
+
+      - name: Running npm build
+        run: |
+          echo "running build..."
+          npm run deploy:nocopy
+
+      - name: Commit changes
+        run: |
+          echo "forming commit..."
+          git status
+          git config --local user.email "action@github.com"
+          git config --local user.name "Bezierinfo CI"
+          set +e
+          git add -A
+          git commit -m "Automated build"
+          set -e
+
+      - name: Push changes
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}

test.js

@@ -1,21 +0,0 @@
-const lookup = {};
-
-const arrays = [
-  [0, 1, 2, 3, 4, 4, 4, 4],
-  [5, 6, 7, 8, 9, 10, 11, 11],
-  [2, 7, 10, 12],
-  [0, 7, 10, 14]
-];
-
-const reduced = arrays.map((array, index) => {
-  for(let i=array.length-1; i>=0; i--) {
-    let value = array[i];
-    let knownIndex = (lookup[value] = lookup[value] ?? index);
-    if (knownIndex < index) {
-      array.splice(i,1);
-    }
-  }
-  return array;
-});
-
-console.log(reduced);