How do I use the glob package to find and read the content of a config.json file in multiple subdirectories?


Sure, let's dive right in! First, you'll need to install the glob package. Run npm install glob in your project's directory.

npm install glob

Now, you're ready to use glob in your test file. Here's a quick example:

import * as fs from 'fs';
import * as glob from 'glob';

const pattern = '**/config.json';

glob(pattern, (err: Error | null, files: string[]) => {
  if (err) {
    console.error('An error occurred:', err);

  for (const file of files) {
    try {
      const content = fs.readFileSync(file, 'utf8');
      console.log(`Content of ${file}:`, content);
    } catch (error) {
      console.error(`Error reading ${file}:`, error);

In this code, **/config.json matches all config.json files in any subdirectory. We then read and log the contents of each file. Remember to handle any errors that might occur!

This is a basic example, but it should help you get started with reading config.json files in multiple subdirectories using glob. Happy coding!


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Rayrun is a community for QA engineers. I am constantly looking for new ways to add value to people learning Playwright and other browser automation frameworks. If you have feedback, email luc@ray.run.