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Claude Code for TypeScript Migrations: How I Converted a 200,000-Line JavaScript Codebase Without Stopping Shipping

3d ago · 16 min read · The first time I tried to migrate a large JavaScript codebase to TypeScript, I made the classic mistake. I planned a six-week migration project, kicked off with a team meeting, started at the top of the directory tree, and got about 4% through before...

Claude Code for Dependency Management: How I Stopped Being Afraid of npm Update

3d ago · 16 min read · Every developer I know has a story about dependency hell. Mine was a Friday afternoon in 2024 when I ran npm update on a project I had inherited, and the entire test suite turned red. Not a few tests. Every single test. The diff was 400 packages chan...

Claude Code for Incident Response: How I Cut My Mean Time to Recovery in Half

4d ago · 14 min read · It is 3 AM. PagerDuty is screaming. Production is down. You are half-awake, half-dressed, and trying to figure out which of the 47 dashboards in your monitoring system is showing the actual problem versus a downstream symptom of the actual problem. Y...

Claude Code for Security Audits: How I Catch Vulnerabilities Before They Cost Me

4d ago · 14 min read · Three years ago a junior engineer on a team I was advising committed an environment file to a public GitHub repository. The file contained an AWS access key with admin permissions on a production account. The key was harvested by an automated scanner...

Claude Code for Documentation Generation: How I Stopped Shipping Code Nobody Could Read

6d ago · 14 min read · Two years ago I inherited a project from an engineer who had left the company. The codebase was clean. The test coverage was reasonable. The architecture was defensible. The documentation was a single README that said "TODO: write docs." There were 2...