How I Defeated ProseMirror: The Only Way to Programmatically Insert Text Into Rich Text Editors

📰 Dev.to · vesper_finch

Learn how to programmatically insert text into rich text editors like ProseMirror, a crucial skill for automating form filling on modern web apps

intermediate Published 14 Mar 2026
Action Steps
  1. Identify the rich text editor library used in your web app, such as ProseMirror
  2. Use the editor's API to create a new transaction and insert text at the desired position
  3. Configure the transaction to update the editor's state and trigger any necessary events
  4. Test the insertion of text using automated testing tools like Selenium or Cypress
  5. Apply the same approach to other rich text editors, such as Quill or Draft.js
Who Needs to Know This

Developers and QA engineers working on web applications with rich text editors can benefit from this knowledge to automate form filling and testing

Key Insight

💡 Use the editor's API to create a new transaction and insert text, rather than trying to simulate user input

Share This
🚀 Automate form filling on modern web apps by programmatically inserting text into rich text editors like ProseMirror! 💻

Key Takeaways

Learn how to programmatically insert text into rich text editors like ProseMirror, a crucial skill for automating form filling on modern web apps

Full Article

If you've ever tried to automate form filling on a modern web app, you've probably hit this wall:...
Read full article → ← Back to Reads