Sha256: c932a5d4f2b419c88d974fc8ec57d53c7e914a4a2fe6a6ffc68b0787f622ed80
Contents?: true
Size: 1021 Bytes
Versions: 3
Compression:
Stored size: 1021 Bytes
Contents
#= require tools/cache
# A generic ajax loader for parallel GET requests.
# Prevents duplicate requests, caches the responses
# to answer subsequent requests immediately
# without additional server requests.
#
# Warning: Caches the responses, so once a request is cached,
# any new content on the same URL will not be visible!
class modularity.AjaxLoader
constructor: ->
@cache = new modularity.Cache()
get: (url, callback) ->
cached_value = @cache.get url
# New request --> start GET call, store callback.
unless cached_value?
@cache.add url, [callback]
return jQuery.get url, (data) =>
cb(data) for cb in @cache.get(url)
@cache.add url, data
# Request while the GET call is still pending -->
# add the given callback to the list of waiting callbacks.
if cached_value.constructor is Array
return cached_value.push callback
# There is a cached response for this request --> answer the request immediately.
callback(cached_value)
Version data entries
3 entries across 3 versions & 1 rubygems