Update tutorial data gen script (#487)

base-org · May 7, 2024 · 6a798b1 · 6a798b1
1 parent 1469c3b
commit 6a798b1
Showing 1 changed file with 45 additions and 40 deletions.
diff --git a/apps/base-docs/scripts/updateTutorials.js b/apps/base-docs/scripts/updateTutorials.js
@@ -9,8 +9,8 @@ async function getDuration(filePath) {
   try {
     let content = await readFile(filePath, 'utf8');
     const words = content.trim().split(/\s+/).length;
-    const averageReadingSpeed = 225; // Average between 200 and 250 wpm
-    const readingTimeMinutes = (words / averageReadingSpeed) * 2; // Double estimated time
+    const averageReadingSpeed = 225;
+    const readingTimeMinutes = (words / averageReadingSpeed) * 2;
 
     const hours = Math.floor(readingTimeMinutes / 60);
     const minutes = Math.round(readingTimeMinutes % 60);
@@ -31,63 +31,68 @@ async function getDuration(filePath) {
 async function getLastUpdated(filePath) {
   try {
     const stats = await fs.promises.stat(filePath);
-    const lastModified = stats.mtime;
-
-    const months = [
-      'Jan',
-      'Feb',
-      'Mar',
-      'Apr',
-      'May',
-      'Jun',
-      'Jul',
-      'Aug',
-      'Sep',
-      'Oct',
-      'Nov',
-      'Dec',
-    ];
-    const month = months[lastModified.getMonth()];
-    const day = lastModified.getDate();
-
-    return `${month} ${day}`;
+    return stats.mtime;
   } catch (error) {
     console.error('Error getting file stats:', error);
     return null;
   }
 }
 
+async function formatDate(date) {
+  const months = [
+    'Jan',
+    'Feb',
+    'Mar',
+    'Apr',
+    'May',
+    'Jun',
+    'Jul',
+    'Aug',
+    'Sep',
+    'Oct',
+    'Nov',
+    'Dec',
+  ];
+  const month = months[date.getMonth()];
+  const day = date.getDate();
+  return `${month} ${day}`;
+}
+
 (async () => {
   const tutorials = {};
+  const outputFilePath = path.join(__dirname, '..', 'tutorials', 'data.json');
+  let existingData = {};
+
+  try {
+    existingData = JSON.parse(await readFile(outputFilePath, 'utf8'));
+  } catch (e) {
+    console.error('Failed to read existing data:', e);
+  }
+
   try {
     const files = await fs.promises.readdir(tutorialsDir);
     for (const file of files) {
       const tutorialsPath = path.join(tutorialsDir, file);
       const tutorialsStat = await fs.promises.stat(tutorialsPath);
-      if (tutorialsStat.isDirectory()) {
-        // const files = await fs.promises.readdir(tutorialsPath);
-        // for (const file of files) {
-        //   const tutorialPath = path.join(tutorialsPath, file);
-        //   const tutorialStat = await fs.promises.stat(tutorialPath);
-        //   if (tutorialStat.isFile()) {
-        //     let content = await readFile(tutorialPath, 'utf8');
-        //     content = content.split('---\n')[1];
-        //     const frontMatter = yaml.load(content);
-        //     tutorials[frontMatter.slug.substring(1)] = frontMatter;
-        //   }
-        // }
-      } else if (tutorialsStat.isFile()) {
+      if (tutorialsStat.isFile()) {
         let content = await readFile(tutorialsPath, 'utf8');
         content = content.split('---\n')[1];
         const frontMatter = yaml.load(content);
-        tutorials[frontMatter.slug.substring(1)] = frontMatter;
-        tutorials[frontMatter.slug.substring(1)].last_updated = await getLastUpdated(tutorialsPath);
-        tutorials[frontMatter.slug.substring(1)].duration = await getDuration(tutorialsPath);
+        const slug = frontMatter.slug.substring(1);
+        const lastUpdated = await getLastUpdated(tutorialsPath);
+
+        if (!existingData[slug] || existingData[slug].last_updated !== lastUpdated.toISOString()) {
+          tutorials[slug] = frontMatter;
+          tutorials[slug].last_updated = await formatDate(lastUpdated);
+          tutorials[slug].duration = await getDuration(tutorialsPath);
+        } else {
+          tutorials[slug] = existingData[slug];
+        }
       }
     }
   } catch (e) {
-    console.error('Error updating tutorial data.', e);
+    console.error('Error updating tutorial data:', e);
   }
-  const outputFilePath = path.join(__dirname, '..', 'tutorials', 'data.json');
+
   fs.writeFileSync(outputFilePath, JSON.stringify(tutorials, null, 4));
 })();