parse-http-header

• Parses request and response headers
• Supports a wide variety of well known headers (See this)
• Normalizes casing
• Documented and tested

Authentication Headers

WWW-Authenticate: Object

• type: string
• charset: string | null
• realm: string | null

Authorization / Proxy-Authorization: Object

• type: string
• credentials: string

Proxy-Authenticate: Object

• type: string
• realm: string | null

Caching Headers

Age: number

Cache-Control: Object

• directives: [string]
• values: Object | {}
  • maxAge: number

Expires: Date

Pragma: string

Warning: Object

• agent: string,
• code: number,
• date: Date | null,
• text: string

Client Hints Headers

Accept-CH: [string]

Content-DPR: number

DPR: number

Width: number

Viewport-Width: number

Downlink: number

Conditional Headers

Last-Modified: date

If-Modified-Since: date

Etag: Object

• hash: string
• weak: boolean

If-Match / If-None-Match: Object

• any: boolean
• etags: [Object]
  • hash: string
  • weak: boolean

Connection Headers

Connection: string

Keep-Alive: Object

• timeout: number
• max: number

Content Negotiation

Accept [Object]

• name: string
• qualityFactor: number

Accept-Charset: [Object]

• name: string
• qualityFactor: number

Accept-Language: [Object]

• name: string
• qualityFactor: number

Accept-Encoding: [Object]

Control Headers

Expect: string

Max-Forwards: number

Cookie Headers

Cookie: [Object]

• name: string
• value: string

Set-Cookie: [Object]

• name: string
• value: string
• domain: string
• path: string
• expires: date
• maxAge: number
• secure: boolean

CORS Headers

Access-Control-Allow-Origin: string

Access-Control-Allow-Credentials: boolean

Access-Control-Allow-Headers: [string]

Access-Control-Allow-Methods: [string]

Access-Control-Expose-Headers: [string]

Access-Control-Request-Headers: [string]

Access-Control-Request-Method: string

Origin: string

Timing-Allow-Origin: [string]

Do Not Track Headers

DNT: boolean

Tk: Object

• status: string
• value: string

Download Headers