Add workflow to run Rules scripts on PRs

.github/workflows/rules.yml

@@ -0,0 +1,25 @@
+name: Run Rules Scripts
+
+on:
+  pull_request:
+
+jobs:
+  run-rules:
+    name: Run Rules
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 20
+      - name: Install zx
+        run: npm install -g zx
+      - name: Run rule scripts on puzzles
+        run: |
+          set -o pipefail
+          for script in content/r/*.md; do
+            if [[ "$(basename "$script")" != "_index.md" ]]; then
+              echo "Running $script"
+              find content/w -name "*.md" | grep -v "_index" | xargs -I {} sh -c "cat {} | zx $script"
+            fi
+          done

.mergify.yml

@@ -5,6 +5,7 @@ pull_request_rules:
       - base=main
       - label=puzzle
       - check-success=Cloudflare Pages
+      - check-success=Run Rules
     actions:
       merge:
         method: squash

content/r/guess-count.md

@@ -46,21 +46,17 @@ process.stdin.on("data", function (input) {
 });
 
 process.stdin.on("end", function () {
-   runTests(_input)
+  runTests(_input)
 });
 
-function runTests (yaml) {
-  const firstDoc = YAML.parseAllDocuments(yaml)[0]
-  const title = firstDoc.contents.items.find(item => item.key.value === 'title')
+function runTests (input) {
+  const frontMatter = input.match(/^---\n([\s\S]*?)\n---/)
+  const data = frontMatter ? YAML.parse(frontMatter[1]) : {}
+  const { title, state = {} } = data
+  const { boardState = [], evaluations = [], rowIndex } = state
 
-  const state = firstDoc.contents.items.find(item => item.key.value === 'state')
-  const rowIndex = state.value.items.find(item => item.key.value === 'rowIndex').value.value
-
-  const evaluations = state.value.items.find(item => item.key.value === 'evaluations')
-  const boardState = state.value.items.find(item => item.key.value === 'boardState')
-
-  const guessesFromBoardState = boardState.value.items.filter(i => i.value.length === 5).length
-  const guessesFromEvaluations = evaluations.value.items.filter(i => ['SEQ','FLOW_SEQ'].includes(i.type)).length
+  const guessesFromBoardState = boardState.filter(g => g && g.length === 5).length
+  const guessesFromEvaluations = evaluations.filter(e => Array.isArray(e)).length
 
   debug({
     guessesFromBoardState,
@@ -71,30 +67,30 @@ function runTests (yaml) {
 
   const testFile = __filename.split("/")[__filename.split("/").length-1]
 
-  console.log(`[Test: ${testFile}] Title: ${title.value}`)
+  console.log(`[Test: ${testFile}] Title: ${title}`)
 
   assert.equal(
     guessesFromBoardState,
     guessesFromEvaluations,
-    "guess count from board state should match guess count from evaluations"
+    "guess count from board state should match guess count from evaluations",
   )
 
   assert.equal(
     guessesFromBoardState,
     rowIndex,
-    "guess count from board state should match the ending rowIndex"
+    "guess count from board state should match the ending rowIndex",
   )
 
   assert.equal(
     guessesFromEvaluations,
     rowIndex,
-    "guess count from evaluations should match the ending rowIndex"
+    "guess count from evaluations should match the ending rowIndex",
   )
 }
 
 process.stdin.resume();
 
 function debug (msg) {
-  if (process.env.DEBUG) console.log(msg)  
+  if (process.env.DEBUG) console.log(msg)
 }
 ```