fast-import-cost
JSON →A CLI tool and Node.js library for calculating the bundle size of imported packages in JavaScript and TypeScript files. v5.5.0, actively maintained. Powered by esbuild and es-module-lexer, it offers fast scanning (50+ files in under 1 second) and provides minified, gzipped, and brotli sizes. Differentiators include tree-shaking awareness, a `--budget` flag for CI enforcement, diff support between git branches, and zero-config operation with npm, pnpm, yarn, and bun. Ships TypeScript definitions.
Traffic · last 30 days ↓67% vs prev 7d
total hits 11
actors 4 distinct systems
last hit 4d ago AhrefsBot
top countries 🇺🇸 United States · 🇨🇦 Canada · 🇫🇷 France · 🇮🇳 India