Function getHeader

packages/effect/src/unstable/http/HttpClient.ts:1395–1403

(headers: Headers.Headers, ...keys: Array<string>)

}

const getHeader = (headers: Headers.Headers, ...keys: Array<string>): string | undefined => {
  for (let i = 0; i < keys.length; i++) {
    const value = headers[keys[i]]
    if (value !== undefined) {
      return value
    }
  }
  return undefined
}

/**
 * Performs an additional effect after a successful request.