#!/bin/bash
# Extract the <script> block from the served page and check for JS syntax errors.
# Usage: npm run check-js
PORTFILE="/tmp/p2pds-node1.port"
if [ ! -f "$PORTFILE" ]; then
  echo "Node 1 not running. Start with: npm run start:node1"
  exit 1
fi
PORT=$(cat "$PORTFILE")
BASE="http://localhost:$PORT"

# Extract JS between <script> and </script>
curl -s "$BASE/" | sed -n '/<script>/,/<\/script>/p' | sed '1d;$d' > /tmp/p2pds-page-script.js

echo "Script size: $(wc -c < /tmp/p2pds-page-script.js) bytes, $(wc -l < /tmp/p2pds-page-script.js) lines"

# Check syntax with Node
node --check /tmp/p2pds-page-script.js 2>&1
if [ $? -eq 0 ]; then
  echo "JS syntax: OK"
else
  echo "JS syntax: ERRORS FOUND"
fi