mlRequireCache

content.sjs

const cache = require("/lib/mlRequireCache.sjs")
 
/*
* Create Content Plugin
*
* @param id         - the identifier returned by the collector
* @param options    - an object containing options. Options are sent from Java
*
* @return - your content
*/
function createContent(id, options) {
 
 //  javascript lib to cache
  const mappUtils = cache.get("/lib/mappingUtils.sjs")
  //log the cache stats to see statistics
  console.log(JSON.stringify(cache.stats, null, 2))
 
  return extractInstance(source);
}

mlRequireCache.sjs

//attached to global object
if(!this.mlRequireCache) {
    const mlRequireCache = {
        'cache':{},
        'stats':{
            'cache-id': sem.uuidString(),
            'hits':{'total':0},
            'misses':{'total':0}
        }
    }
    mlRequireCache.get = function(requireModuleURI) {
        if (!mlRequireCache.cache[requireModuleURI]) {
            mlRequireCache.cache[requireModuleURI] = require(requireModuleURI)
            mlRequireCache.stats.misses.total++
            mlRequireCache.stats.hits[requireModuleURI] =0
        } else {
            mlRequireCache.stats.hits[requireModuleURI]++
            mlRequireCache.stats.hits.total++
        }
        return mlRequireCache.cache[requireModuleURI]
    }
    this.mlRequireCache = mlRequireCache
}
module.exports.get = this.mlRequireCache.get
module.exports.stats = this.mlRequireCache.stats