/Knowledge/sources/honojs__hono/llms-full/language-middleware-validation-error-handling--4a60d1417355.md

Language Middleware: Validation & Error Handling - hono-docs

Language Middleware: Validation & Error Handling Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt valid...

Language Middleware: Validation & Error Handling

Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#validation-error-handling

Summary

fallbackLanguage must be in supportedLanguages (throws error during setup) - lookupFromPathIndex must be ≥ 0 - Invalid configurations throw errors during middleware initialization - Failed detections silently use fallbackLanguage

Content

fallbackLanguage must be in supportedLanguages (throws error during setup)
lookupFromPathIndex must be ≥ 0
Invalid configurations throw errors during middleware initialization
Failed detections silently use fallbackLanguage

Metadata

{
  "chunk_index": 0,
  "citation": "https://hono.dev/llms-full.txt#validation-error-handling",
  "coverage_role": "overview",
  "qualified_title": "Hono / llms-full / Language Middleware > Validation & Error Handling",
  "retrieved_at": "2026-07-02T05:51:01Z",
  "section_index": 215,
  "source_id": "/honojs/hono",
  "source_type": "llms_full",
  "target_label": "llms-full",
  "title": "Language Middleware: Validation & Error Handling",
  "upstream_url": "https://hono.dev/llms-full.txt",
  "version": "2026"
}

Kinic Wiki

db:

Cycles unavailable0.00M cycles

Loading knowledge node

Details

Identity

database

db_23dhmsxlhukv

database_id

db_23dhmsxlhukv

path

/Knowledge/sources/honojs__hono/llms-full/language-middleware-validation-error-handling--4a60d1417355.md

kind

Metadata

created_at

virtual

updated_at

virtual

etag

virtual

metadata_json

{}

Lint Hints

No lightweight warnings.

Outgoing Links

No outgoing links indexed.

Incoming Links

Select a file node to inspect backlinks.

Raw Source

No raw source path inferred.