update script

scripts/generateHeaderIDs.js

@@ -26,12 +26,12 @@ function generateID(text) {
 
 function addHeaderID(line) {
   // check if we're a header at all
-  if (!line.startsWith('#')) return;
+  if (!line.startsWith('#')) return line;
   // check if it already has an id
-  if (/\{#[-A-Za-z0-9]+\}/.match(line)) return;
+  if (/\{#[-A-Za-z0-9]+\}/.test(line)) return line;
   const headingText = line.slice(line.indexOf(' ')).trim();
   const headingLevel = line.slice(0, line.indexOf(' '));
-  return `${headingLevel} ${headingText} ${generateID(headingText)}`;
+  return `${headingLevel} ${headingText} {#${generateID(headingText)}}`;
 }
 
 function addHeaderIDs(lines) {
@@ -41,14 +41,17 @@ function addHeaderIDs(lines) {
     // Ignore code blocks
     if (line.startsWith('```')) {
       inCode = !inCode;
+      results.push(line);
       return;
     }
     if (inCode) {
       results.push(line);
+      return;
     }
 
     results.push(addHeaderID(line));
   });
+  return results;
 }
 
 const [path] = process.argv.slice(2);
@@ -57,8 +60,8 @@ const files = walk(path);
 files.forEach(file => {
   if (!file.endsWith('.md')) return;
 
-  const file = fs.readFileSync(file, 'utf8');
-  const lines = file.split('\n');
+  const content = fs.readFileSync(file, 'utf8');
+  const lines = content.split('\n');
   const updatedLines = addHeaderIDs(lines);
   fs.writeFileSync(file, updatedLines.join('\n'));
 });