/Knowledge/sources/honojs__hono/llms-full/webassembly-w-wasi-hello-wasm--4be61cee6e96.md

WebAssembly (w/ WASI): Hello Wasm - hono-docs

WebAssembly (w/ WASI): Hello Wasm Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt 3 hello wasm Summary...

WebAssembly (w/ WASI): Hello Wasm

Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#3-hello-wasm

Summary

To build an HTTP server in WebAssembly, we can make use of the [jco-std][jco-std] project, which contains helpers that make the experience very similar to the standard Hono experience. Let's fulfill our component world with a basic H...

Content

To build an HTTP server in WebAssembly, we can make use of the [jco-std][jco-std] project, which contains helpers that make the experience very similar to the standard Hono experience.

Let's fulfill our component world with a basic Hono application as a WebAssembly component in a file called src/component.ts:

Metadata

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  "citation": "https://hono.dev/llms-full.txt#3-hello-wasm",
  "coverage_role": "overview",
  "qualified_title": "Hono / llms-full / WebAssembly (w/ WASI) > 3. Hello Wasm (1)",
  "retrieved_at": "2026-07-02T05:51:01Z",
  "section_index": 447,
  "source_id": "/honojs/hono",
  "source_type": "llms_full",
  "target_label": "llms-full",
  "title": "WebAssembly (w/ WASI): Hello Wasm",
  "upstream_url": "https://hono.dev/llms-full.txt",
  "version": "2026"
}
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