purgecode/src/core/analyzer.ts

A safe, smart code-cleaning utility for JavaScript/TypeScript projects

import { glob } from "glob";
import { Config } from "../utils/config.js";

export async function scanFiles(
  cwd: string,
  config: Config,
): Promise<string[]> {
  const extensions =
    config.fileExtensions.length > 1
      ? `{${config.fileExtensions.join(",")}}`
      : config.fileExtensions[0];
  const pattern = `**/*.${extensions}`;

  const ignore = config.ignorePaths.map((p) => {
    // Ensure ignore paths are treated as directories or files correctly
    return p.endsWith("/") ? `${p}**` : `${p}/**`;
  });
  // Also add the paths themselves if they are files
  ignore.push(...config.ignorePaths);

  const files = await glob(pattern, {
    cwd,
    ignore: ignore,
    absolute: true,
    nodir: true,
  });

  return files;
}