Eslint

typescript-eslint: The TypeScript Linting Powerhouse Behind Modern Development

typescript-eslint: The TypeScript Linting Powerhouse Behind Modern Development

The typescript-eslint monorepo is one of those projects that quietly powers thousands of TypeScript codebases, yet most developers only interact with it through their IDE’s red squiggly lines. After diving into this 45,000-line codebase, I found a sophisticated static analysis toolkit that’s far more complex than its simple npm install suggests.

What typescript-eslint Actually Does

According to the README, typescript-eslint provides “powerful static analysis for JavaScript and TypeScript.” But the real story emerges from the codebase structure: this isn’t just an ESLint plugin. It’s a complete TypeScript parsing and analysis ecosystem.