extractFilename

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Extract a filename from HTTP response headers, parsing Content-Disposition with a fallback name for reliable file downloads.

Usage

extractFilename extracts a filename from HTTP response headers.

import { extractFilename } from '@movk/core'

// Extract filename from response headers
const headers = new Headers({
  'content-disposition': 'attachment; filename="report.pdf"'
})
const filename = extractFilename(headers, 'download')
console.log(filename) // 'report.pdf'

// Handle encoded filenames
const encodedHeaders = new Headers({
  'content-disposition': 'attachment; filename*=UTF-8\'\'%E6%8A%A5%E5%91%8A.pdf'
})
const encodedFilename = extractFilename(encodedHeaders)
console.log(encodedFilename) // '报告.pdf'