@windingtree/wt-search-api/src/config/envvar.js

NodeJS app that enables quick search over data from Winding Tree platform

const knex = require('knex');

const convertEnvVarToBoolean = (val, defaults) => {
  if (val === undefined) {
    return defaults;
  }
  switch (val.toLowerCase().trim()) {
  case '1':
  case 'true':
  case 'yes':
    return true;
  case '0':
  case 'false':
  case 'no':
    return false;
  default:
    return defaults;
  }
};

module.exports = {
  port: process.env.PORT,
  baseUrl: process.env.BASE_URL,
  readApiUrl: process.env.READ_API_URL,
  db: knex({
    client: process.env.DB_CLIENT,
    connection: JSON.parse(process.env.DB_CLIENT_OPTIONS || '{}'),
    useNullAsDefault: true,
  }),
  defaultPageSize: process.env.DEFAULT_PAGE_SIZE || 30,
  maxPageSize: process.env.MAX_PAGE_SIZE || 300,
  sync: {
    // Perform complete resync once per hour. Set to `null` if no periodic syncing is desired.
    interval: process.env.SYNC_INTERVAL || 1000 * 60 * 60,
    initial: convertEnvVarToBoolean(process.env.SYNC_INITIAL, true), // Perform the initial sync immediately after server start?
  },
};