@stevegoossens/ofcom
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1.0.1 • Public • Published

@stevegoossens/ofcom

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Client for api.ofcom.org.uk which provides Broadband speeds and Mobile coverage for each address of a specified postcode.

Ofcom API account

Create an Ofcom API account at the sign up page, and then request access to the products you wish to use:

Name Description
Broadband Coverage (Basic) Subscribers can retrieve broadband coverage data against postcodes up to run 100 calls/minute for 50,000 requests per month.
Broadband Coverage (Premium) Subscribers can retrieve broadband coverage data against postcodes up to run 500 calls/minute for 150,000 requests per month.
Mobile Coverage (Basic) Subscribers can retrieve mobile coverage data against postcodes up to run 100 calls/minute for 50,000 requests per month.
Mobile Coverage (Premium) Subscribers can retrieve broadband coverage data against postcodes up to run 500 calls/minute for 150,000 requests per month.

Usage

Add this as a dependency for your TypeScript/JavaScript project, create a .env file with Ofcom API credentials, and then add client code to your project.

Install

Use your chosen package manager to install this dependency:

npm install --save @stevegoossens/ofcom
yarn add @stevegoossens/ofcom
bun add @stevegoossens/ofcom

Credentials

The API keys are listed on your profile page as "Primary key" and "Secondary key" for each of the Ofcom API products that you have been granted access.

Create a .env file containing the credentials, e.g.

BROADBAND_API_KEY=abcdef1234567890
MOBILE_API_KEY=01543987abcdef

Example code

import { BroadbandApi } from "@stevegoossens/ofcom";

const broadbandApi = new BroadbandApi();

const postCode = 'BR1 2WJ';

const { data, error, response } = await broadbandApi.coverageByPostCode(postCode);
import { MobileApi } from "@stevegoossens/ofcom";

const mobileApi = new MobileApi();

const postCode = 'BR1 2WJ';

const { data, error, response } = await mobileApi.coverageByPostCode(postCode);
  • data: successful response body
  • error: error response body
  • response: the fetch Response

Development

OpenAPI

The Ofcom APIs for Broadband and Mobile are available at:

These can be downloaded (by clicking the "API definition" dropdown, then clicking "Open API 3 (YAML)") and copied to ./data

OpenAPI errata

There are some inaccuracies in the OpenAPI spec files for each API. These need to be corrected in the YAML before generating code from them.

Broadband errata

The OpenAPI document for Broadband API has the following errata:

  • GET /coverage/{PostCode}
    • 200 response body schema
      • is missing the Count property (type: integer)
    • 401 response is missing
      • body schema has:
        • statusCode (type: integer)
        • message (type: string)
      • headers:
        • WWW-Authenticate: AzureApiManagementKey realm="https://api-proxy.ofcom.org.uk/broadband",name="Ocp-Apim-Subscription-Key",type="header"
    • 404 response body schema
      • ErrorMessage property is actually named Error
    • 500 response body schema
      • ErrorMessage property is actually named Error
Mobile errata

The OpenAPI document for Mobile API has the following errata:

  • GET /coverage/{PostCode}
    • 200 response body schema
      • is specified as MobileAvailabilityArray when it is actually MobileAvailability
      • is missing the DBName property (type: string)
    • 401 response is missing
      • body schema has:
        • statusCode (type: integer)
        • message (type: string)
      • headers:
        • WWW-Authenticate: AzureApiManagementKey realm="https://api-proxy.ofcom.org.uk/broadband",name="Ocp-Apim-Subscription-Key",type="header"
    • 404 response body schema
      • ErrorMessage property is actually named Error
    • 500 response body schema
      • ErrorMessage property is actually named Error

Install

bun install

Generate code from OpenAPI

Clean out the previously generated code at ./src/openapi-fetch:

bun clean

Generate the API code:

bun generate:broadband
bun generate:mobile

Format

Apply code style

bun run format

Lint

Fix linting errors

bun run lint

Check

Fix linting errors and apply code style

bun run check

Test

Run unit tests

bun test

Tests with coverage

bun test --coverage

Build

bun run build

NPM

Publish package to NPM

Login to NPM repository

npm login

Open the generated URL in a browser, login, supply the MFA/2FA code.

Publish to NPM repository

First time, if the package does not exist:

npm publish --access=public

Update Table of Contents

The table of contents in this readme was generated by markdown-toc. If you add/remove headings or change the order of them, regenerate the table of contents:

bun toc

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Install

npm i @stevegoossens/ofcom

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Version

1.0.1

License

MIT

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Collaborators

  • stevegoossens