Display current song

tools/find_unclosed.cjs

@@ -0,0 +1,24 @@
+const fs = require('fs');
+const path = 'd:/Sites/Work/RadioCast/src/main.js';
+const s = fs.readFileSync(path,'utf8');
+const lines = s.split(/\r?\n/);
+let balance = 0;
+let maxBalance = 0;
+let maxLine = -1;
+for (let i=0;i<lines.length;i++){
+  const line = lines[i];
+  for (const ch of line){
+    if (ch==='{' ) balance++;
+    else if (ch==='}') balance--;
+  }
+  if (balance>maxBalance){ maxBalance = balance; maxLine = i+1; }
+}
+console.log('final balance:', balance, 'maxBalance:', maxBalance, 'maxLine:', maxLine);
+console.log('last 40 lines:');
+for (let i=Math.max(0, lines.length-40); i<lines.length;i++) console.log((i+1)+': '+lines[i]);
+
+// Print context around maxLine
+if (maxLine>0){
+  console.log('\nContext around max imbalance at line', maxLine);
+  for (let i=Math.max(1, maxLine-5); i<=Math.min(lines.length, maxLine+5); i++) console.log(i+': '+lines[i-1]);
+}