Chore: more refactor to the bun

Build/lib/process-line.ts

@@ -0,0 +1,35 @@
+export const processLine = (line: string): string | null => {
+  if (!line) {
+    return null;
+  }
+
+  const line_0: string = line[0];
+
+  if (
+    line_0 === '#'
+    || line_0 === ' '
+    || line_0 === '\r'
+    || line_0 === '\n'
+    || line_0 === '!'
+  ) {
+    return null;
+  }
+
+  const trimmed: string = line.trim();
+  if (trimmed === '') {
+    return null;
+  }
+
+  return trimmed;
+};
+
+export const processLineFromReadline = async (rl: AsyncGenerator<string>): Promise<string[]> => {
+  const res: string[] = [];
+  for await (const line of rl) {
+    const l: string | null = processLine(line);
+    if (l) {
+      res.push(l);
+    }
+  }
+  return res;
+};