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Developer releases CLI tool to diagnose Cloudflare Workers Error 1102 in Next.js apps

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Cloudflare Workers enforce a strict CPU time budget during cold starts, and Next.js apps bundled via OpenNext can exceed this limit when expensive initialization code runs in global scope rather than inside request handlers. Common culprits include database client construction, large i18n objects, and complex validation schemas placed at the module's top level. A developer has released an open-source CLI tool called edge-shake that scans compiled worker bundles and flags risky top-level patterns without modifying any files. The recommended fix is to defer initialization using lazy getters, so costly operations run only on first use rather than on every cold start. The tool can be run directly via npx against a Next.js OpenNext build output to identify specific lines requiring attention.

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