Add build_directory_md

Author: sahilbansal17

.github/workflows/script.js

@@ -21,7 +21,6 @@ function good_filepaths(top_dir = ".") {
           } else {
             if (file.toLowerCase().endsWith(".js")) {
               filepaths.push(path.slice(2));
-              // console.log(filepaths);
             }
           }
         });
@@ -47,14 +46,63 @@ function print_path(old_path, new_path) {
     if (i + 1 > old_parts.len || old_parts[i] != new_part) {
       if (new_part) {
         g_output.push(`${md_prefix(i)} ${new_part.replace('_', ' ')}`);
-        // console.log(`${md_prefix(i)} ${new_part.replace('_', ' ')}`);
       }
     }
   }
   return new_path;
 }
 
+function build_directory_md(top_dir = ".") {
+  old_path = "";
+  filepaths.sort(function(a, b) {
+    if (a.toLowerCase() < b.toLowerCase()) return -1;
+    if (a.toLowerCase() > b.toLowerCase()) return 1;
+    return 0;
+  });
+  for (let filepath of filepaths) {
+    file = filepath.split(path.sep);
+    if (file.length == 1) {
+      filepath = "";
+      filename = file[0];
+    } else {
+      let total = file.length;
+      filename = file[total - 1];
+      filepath = file.splice(0, total - 1).join(path.sep);
+    }
+    if (filepath != old_path) {
+      old_path = print_path(old_path, filepath);
+    }
+    let indent = 0;
+    for (let i = 0; i < filepath.length; ++i) {
+      if (filepath[i] == path.sep) {
+        ++indent;
+      }
+    }
+    if (filepath) {
+      ++indent;
+    }
+    let urls = [URL_BASE, filepath, filename];
+    let url = urls.join("/").replace(" ", "%20");
+    // remove extension from filename
+    filename = filename.split(".")[0];
+    g_output.push(`${md_prefix(indent)} [${filename}](${url})`);
+  }
+  g_output = g_output.join('\n');
+  return g_output;
+}
+
 good_filepaths();
 setTimeout(() => {
-  console.log(filepaths);
+  // once the filepaths have been computed
+  build_directory_md();
+  // console.log(filepaths);
+}, 1000);
+setTimeout(() => {
+  // once the g_output has been constructed, write to the file
+  fs.writeFile('DIRECTORY.md', g_output + '\n', (err) => {
+    if (err) {
+      console.log(err);
+    }
+  })
+  // console.log(g_output);
 }, 1000);