/Knowledge/sources/honojs__hono/llms-full/cors-middleware-usage--part-02--ec0bb10fe71f.md
CORS Middleware: Usage (part 02) - hono-docs
CORS Middleware: Usage (part 02) Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt usage Summary Dynamic...
CORS Middleware: Usage (part 02)
Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#usage
Summary
Dynamic allowed methods based on origin: ```ts app.use( '/api5/', cors({ origin: (origin) => origin === 'https://example.com' ? origin : '', // c is a Context object allowMethods: (origin, c) => origin === 'https://example.com' ? [...
Content
Dynamic allowed methods based on origin:
app.use(
'/api5/*',
cors({
origin: (origin) =>
origin === 'https://example.com' ? origin : '*',
// `c` is a `Context` object
allowMethods: (origin, c) =>
origin === 'https://example.com'
? ['GET', 'HEAD', 'POST', 'PATCH', 'DELETE']
: ['GET', 'HEAD'],
})
)
Metadata
{
"chunk_index": 1,
"citation": "https://hono.dev/llms-full.txt#usage",
"coverage_role": "overview",
"qualified_title": "Hono / llms-full / CORS Middleware > Usage (2)",
"retrieved_at": "2026-07-02T05:51:01Z",
"section_index": 187,
"source_id": "/honojs/hono",
"source_type": "llms_full",
"target_label": "llms-full",
"title": "CORS Middleware: Usage (part 02)",
"upstream_url": "https://hono.dev/llms-full.txt",
"version": "2026"
}
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