Netlify Function for getting category info from swell api.

category.js

const ENV = (variable) => {
    const {env} = process
    const {
      PREPEND,
      NETLIFY_DEV,
      NETLIFY_DEV_VALUE
    } = env
    const pre = NETLIFY_DEV == NETLIFY_DEV_VALUE ? PREPEND : ''
    return env[`${pre}${variable}`]
  }

const swell = require('swell-node');
swell.init('luna-caffe-llc', ENV('SWELL_API_KEY'));

exports.handler = async (event, context, callback) => {
    const {headers} = event
    const {pathname} = new URL(headers.referer)
    const pathArray = pathname.split('/')
    pathArray.splice(0,2)

    const categorySlug = pathArray[0]
    const subCategorySlug = pathArray[1]
    
    let {results: categoryResults} = await swell.get('/categories', {
        where: {
            slug: categorySlug
        },
        expand: [
            'children:10'
        ],
    })

    const {0:category} = categoryResults

    callback(null, {
        statusCode: 200,
        body: JSON.stringify({
            category,
            subCategorySlug
        })
    })
  }