@financial-times/polyfill-useragent-normaliser

The user-agent normalisation logic behind polyfill-library and polyfill.io

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Last updated 4 years ago by the-ft .

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$ cnpm install @financial-times/polyfill-useragent-normaliser

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polyfill.io User Agent normaliser

This is the VCL & JS implementation of the User-Agent normalisation used within the polyfill-service and the polyfill-library.

Usage

For a request which was the user-agent Chrome 71.1:

Example in VCL

import "normalise-user-agent.vcl";

sub vcl_recv {
  call normalise_user_agent_1_0_6;
#   req.http.normalized_user_agent_family = "chrome";
#   req.http.normalized_user_agent_major_version = "71";
#   req.http.normalized_user_agent_minor_version = "1";
#   req.http.normalized_user_agent_patch_version = "0";
#   req.http.Normalized-User-Agent = "chrome/71.1.0";
}

Example in JS

const UA = require('@financial-times/polyfill-useragent-normaliser');

const useragent = new UA(request.headers['user-agent']);
console.log(useragent.isUnknown()); // false
console.log(useragent.satisfies("<50")); // false
console.log(useragent.satisfies(">50")); // true

Current Tags

1.10.2 ... latest (4 years ago)

21 Versions

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Dependencies (2)

@financial-times/useragent_parser ^1.6.3
semver ^7.1.1

Dev Dependencies (7)

eslint ^7.2.0
eslint-plugin-node ^11.1.0
eslint-plugin-prettier ^3.1.4
mocha ^8.0.1
prettier ^2.0.1
proclaim ^3.6.0
supertest ^6.1.1

Dependents (1)

@modern-js/polyfill-lib

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