storage/redis/redis-stream.js
function concat (target, data) {
    target = target || []
    if(Object.prototype.toString.call(data)!=='[object Array]') {
        data = [data]
    }
    Array.prototype.push.apply(target, data)
    return target
  }
function concat (target, data) {
    target = target || []
    if(Object.prototype.toString.call(data)!=='[object Array]') {
        data = [data]
    }
    Array.prototype.push.apply(target, data)
    return target
  }
function concat ( target , data ) { target = target || [ ] if ( Object . prototype . toString . call ( data ) !== '[object Array]' ) { data = [ data ] } Array . prototype . push . apply ( target , data ) return target }
presumably faster than Array.concat
presumably faster than Array . concat