An example of a lambda using claudia.js

app.js

const ApiBuilder = require('claudia-api-builder');
const api = new ApiBuilder();

const cheerio = require('cheerio')
const fetch = require('node-fetch')

const text = (element) => element.text().trim()
const numbers = (text) => text.match(/^([0-9]+)/g)
const count = (text) => (numbers(text) && numbers(text)[0]) || 0
const followers = (text) => numbers(text)[0] || 0
const following = (text) => numbers(text)[1] || 0

const base = 'https://goodfil.ms';
const profileUrl = (id) => `${base}/${id}`

const getProfileForId = (id) => {
  'use strict';

  const mapProfile = ($) => ({
    background: $('div.stats img').attr('src'),
    avatar: $('div.stats img').attr('src'),
    id: id,
    name: text($('div.stats div.name')),
    counts: {
      reviews: count(text($(`a[href="/${id}/reviews"]`))),
      ratings: count(text($(`a[href="/${id}/ratings"]`))),
      queued: count(text($(`a[href="/${id}/queue"]`))),
      lists: count(text($(`a[href="/${id}/lists"]`))),
      followers: followers(text($(`a[href="/${id}/people"]`))),
      following: following(text($(`a[href="/${id}/people"]`))),
    },
  })

  return fetch(profileUrl(id))
    .then((resp) => resp.text())
    .then((body) => cheerio.load(body))
    .then(mapProfile)
}

api.get('/profile/{id}', (request) => {
  'use strict';

  const id = request.pathParams.id;

  return getProfileForId(id).catch((error) => { error });
})

module.exports = api;

package.json

{
  "name": "sample-api",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "deploy": "claudia update --profile claudia"
  },
  "author": "Ryan Boucher",
  "license": "ISC",
  "dependencies": {
    "aws-serverless-express": "^1.2.0",
    "cheerio": "^0.22.0",
    "claudia": "^2.4.0",
    "claudia-api-builder": "^2.3.1",
    "express": "^4.14.0",
    "node-fetch": "^1.6.3"
  }
}