is-firefox-order

Checks if http header order is Firefox

Usage

const express = require("express");
const isFirefoxOrder = require("is-firefox-order");

const port = 3000;
const app = express();

app.get("/", ({ headers }, res) => {
  const are = isFirefoxOrder(headers) ? "are" : "are not";

  res.send(`You ${are} firefox!`);
});

app.listen(port);

API

  type Headers = Record<string, string> | string[] | Array<[string, string]>;
  type IsFirefoxOrderOptions = {
    areRawHeaders: boolean;
  };

  function IsFirefoxOrder(
    headers: Headers,
    options: IsFirefoxOrderOptions = { areRawHeaders = false }
  ): boolean;

  export = IsFirefoxOrder;

headers - one of:

• array of strings

["accept", "accept-language"];

• object of structure [key: string]: string

{
  'accept': '...',
  'user-agent': '...'
}

• array with 2-length array of strings

[
  ["accept-encoding", "gzip"],
  ["accept", "*/*"],
];

options: object that can have areRawHeaders option if it should parse entries array such as:

[
  "user-agent",
  "this is invalid because there can be only one",
  "User-Agent",
  "curl/7.22.0",
  "Host",
  "127.0.0.1:8000",
  "ACCEPT",
  "*",
];

areRawHeaders defaults to false

Test

npm test

Related repository

is-chrome-order is-safari-order