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Life & fun · July 4, 2020

WebAssembly System Interface for Deno has been merged into Deno

WebAssembly System Interface for Deno has been merged into Deno launched on July 4, 2020 with 48 votes, #841 of 4,305 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 6 years on.

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In plain words

Deno has integrated WebAssembly System Interface (WASI) support into its core runtime. This allows developers to run WebAssembly modules with system-level capabilities like file access and network operations within Deno. The feature is designed for developers who need to execute compiled WebAssembly code alongside JavaScript and TypeScript in Deno projects.

written from the facts on this page · September 2026

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