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headroom is an open-source CLI tool that compresses JavaScript and TypeScript source files before sending them to LLM APIs, reducing token counts by 60–94% depending on the compression level chosen. It uses AST-level analysis to strip comments, normalize whitespace, and remove redundant syntax while preserving semantic meaning. Three compression profiles are available: gentle (60–63% reduction), moderate (75–77%), and aggressive (90–94%). The tool supports CLI usage with glob patterns, a programmatic Node.js API, and npm script integration for CI pipelines. Benchmarks across a Next.js SaaS app, Express API, and React component library show significant cost savings at GPT-4o pricing. Best practices include starting with moderate compression, excluding files where line numbers or formatting context matter, and validating LLM output quality at each compression level before committing to a profile.
Nguồn: https://www.sitepoint.com/headroom-the-tokencompression-cli-that-cuts-your-llm-api-costs-by-6095. 8sync News chỉ tóm tắt và dẫn link; bản quyền nội dung thuộc tác giả và nguồn gốc.
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