@financial-times/dotcom-server-app-context

@financial-times/dotcom-server-app-context

This package provides tools to define FT app context data and a JSON schema definition to validate it with.

Getting started

This package is compatible with Node 8+ and is distributed on npm.

npm install -S @financial-times/dotcom-server-app-context

This package provides a single class which can be configured using options:

import { AppContext } from '@financial-times/dotcom-server-app-context'
const appContext = new AppContext()

The app context instance provides methods to get and set app context data:

appContext.set('appName', 'my-application')
const property = appContext.get('appName') // "my-application"
const contextData = appContext.getAll() // { appName: "my-application" }

API

get(property: string): any

Returns the value of the requested property.

set(property: string, value: any)

Sets the value of the specified property. The provided value will be validated against the app context schema. If the value is invalid this method will throw an error.

getAll(): object

Returns an immutable copy of the app context data.

Options

The AppContext class accepts the following parameters. All parameters are optional:

appContext

An app context data object, see app context data for more information. Defaults to {}.

App Context Data

Please refer to the JSON schema definition for more information.