
992: Migrating Legacy Code Just Got Easier
From Syntax - Tasty Web Development Treats by Wes Bos & Scott Tolinski - Full Stack JavaScript Web Developers
April 1, 2026 · 29 min
About this episode
Wes and Scott discuss strategies for migrating large codebases using AI, including planning, testing, and deployment.
Wes and Scott talk about migrating large codebases with AI — how to plan framework and language moves, establish patterns, handle templating changes, test thoroughly, safely deploy, and more. Show Notes 00:00 Welcome to Syntax! 01:46 Why migrate to a new language or framework? 05:09 How to approach a large code migration 08:47 Establishing patterns before using AI 10:35 Moving from pug to JSX 12:06 Building a detailed migration plan 15:18 Testing every part of the application 15:51 Brought to you by Sentry.io 16:58 Deploying and catching issues with Sentry 19:12 Converting express requests to web standard requests 19:34 Other codebases that could benefit from AI migrations 21:36 Sick Picks + Shameless Plugs Sick Picks Scott: WisprFlow Wes: displayplacer Shameless Plugs Phases Podcast Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads
People in this episode
Hosts: Wes Bos, Scott Tolinski
Topics covered
- code migration
- AI in development
- framework changes
- testing
- deployment strategies
Keywords
- legacy code
- AI migration
- framework migration
- templating changes
- application testing
Sponsors
Sentry.io
Mentioned in this episode
Organizations: Phases Podcast
Products: WisprFlow, displayplacer
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