getHeaderLanguages.md

@intlify/h3

---

@intlify/h3 / getHeaderLanguages

Function: getHeaderLanguages()

function getHeaderLanguages(event, __namedParameters?): string[];

get languages from header

Parameters

Parameter	Type	Description
event	H3Event	The H3Event | H3 event
__namedParameters?	HeaderOptions	-

Returns

string[]

The array of language tags, if you use accept-language header and * (any language) or empty string is detected, return an empty array.

Description

parse header string, default accept-language header

Example

example for h3:

import { createApp, eventHandler } from 'h3'
import { getHeaderLanguages } from '@intlify/utils/h3'

const app = createApp()
app.use(eventHandler(event) => {
  const langTags = getHeaderLanguages(event)
  // ...
  return `accepted languages: ${acceptLanguages.join(', ')}`
})