/Knowledge/sources/honojs__hono/llms-full/adapter-helper-getruntimekey--2fc6e348823a.md
Adapter Helper: getRuntimeKey() - hono-docs
Adapter Helper: getRuntimeKey() Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt getruntimekey Summary...
Adapter Helper: getRuntimeKey()
Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#getruntimekey
Summary
The getRuntimeKey() function returns the identifier of the current runtime. ```ts app.get('/', (c) => { if (getRuntimeKey() === 'workerd') { return c.text('You are on Cloudflare') } else if (getRuntimeKey() === 'bun') { return c.text('...
Content
The getRuntimeKey() function returns the identifier of the current runtime.
app.get('/', (c) => {
if (getRuntimeKey() === 'workerd') {
return c.text('You are on Cloudflare')
} else if (getRuntimeKey() === 'bun') {
return c.text('You are on Bun')
}
...
})
Metadata
{
"chunk_index": 0,
"citation": "https://hono.dev/llms-full.txt#getruntimekey",
"coverage_role": "overview",
"qualified_title": "Hono / llms-full / Adapter Helper > `getRuntimeKey()`",
"retrieved_at": "2026-07-02T05:51:01Z",
"section_index": 688,
"source_id": "/honojs/hono",
"source_type": "llms_full",
"target_label": "llms-full",
"title": "Adapter Helper: getRuntimeKey()",
"upstream_url": "https://hono.dev/llms-full.txt",
"version": "2026"
}
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