public/build/static/application.js
function(namespace, key) {
            key = JSON.stringify(key);
            return "cache_" + configs.revision + "_" + namespace + "_" + key;
        }
function(namespace, key) {
            key = JSON.stringify(key);
            return "cache_" + configs.revision + "_" + namespace + "_" + key;
        }
function ( namespace , key ) { key = JSON . stringify ( key ) ; return "cache_" + configs . revision + "_" + namespace + "_" + key ; }
Transform a key in cache key

@method key
@param {string} namespace namespace for this key
@param {string} key key of the data to cache
@return {string} complete key for the cache
Transform a key in cache key