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env-boundary

Stars94
Forks7
UpdatedJuly 6, 2026 at 20:49

Prevent dev-environment values (origins, ports, hosts, absolute paths, secrets) from leaking into build artifacts, generated code, or production output. Use whenever writing or reviewing build scripts / codegen, adding a URL / port / hostname / origin literal, branching on dev vs prod, configuring CORS or crossorigin attributes, or when generated files (*.gen.*, dist output, feeds, sitemaps) embed any absolute URL. Trigger proactively — this class of bug ships silently and is only noticed in production.

Installation

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