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float1251/ajax-retry.coffee

Created August 18, 2014 05:15
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ajax通信でリトライを行う
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ajax-retry.coffee
###
ajax通信エラー時にretryするplugin..
timeoutの秒数は1通信に対しての秒数のため、
最長 retryCount * timeoutミリ秒待つことになる.
@params url url文字列
@params done 成功時のcallback
@params fail 失敗時のcallback
@params options ajaxのoption
###
do ($ = jQuery)->
DEFAULT_RETRY_NUM = 3
DEFAULT_TIMEOUT = 10000
$.ajaxRetry = (url, done, fail, options = {retryCount: DEFAULT_RETRY_NUM, timeout: DEFAULT_TIMEOUT})->
count = 0
successCallback = (data)->
done?(data)
options.retryCount ?= DEFAULT_RETRY_NUM
options.url = url
options.error = (data)->
count++
if count <= options.retryCount
$.ajax(this).done(successCallback)
else
fail?(data)
$.ajax(options).done(successCallback)
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