Files
the-example-app-nodejs/lib/settings.js

43 lines
1.4 KiB
JavaScript

/**
* The purpose of this middleware is to set our application settings based
* on environment variables or query parameters
*/
const { initClients } = require('../services/contentful')
module.exports = async function settingsMiddleware (request, response, next) {
// Set default settings based on environment variables
let settings = {
spaceId: process.env.CONTENTFUL_SPACE_ID,
deliveryToken: process.env.CONTENTFUL_DELIVERY_TOKEN,
previewToken: process.env.CONTENTFUL_PREVIEW_TOKEN,
editorialFeatures: false,
// Overwrite default settings using those stored in cookie, if present
...request.cookies.theExampleAppSettings
}
// Allow setting of API credentials via query parameters
const { space_id, preview_token, delivery_token } = request.query
if (space_id && preview_token && delivery_token) { // eslint-disable-line camelcase
settings = {
...settings,
spaceId: space_id,
deliveryToken: delivery_token,
previewToken: preview_token
}
}
// Allow enabling and disabling of editorial features via query parameters
/* eslint-disable camelcase */
const { editorial_features } = request.query
if (typeof editorial_features !== 'undefined') {
delete request.query.editorial_features
settings.editorialFeatures = editorial_features === 'enabled'
}
/* eslint-enable camelcase */
initClients(settings)
response.locals.settings = settings
next()
}