Example of javascript Deferred and Recursion limit

Example of javascript Deferred and Recursion limit

Do you know the limit on Deferred and Recursion? The following is a good example.

 

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Function runAsyncTTS (text, speecher, audiopath ){ Var def = jQuery. Deferred (); Var args = {"SynthText": text, "VoiceSpeecher": speecher, "WordSpeed": "3", "UseCSSML": "0", "AudioPath": audiopath }; Tts. asyncTTS (JSON. stringify (args), function (err, result ){ Def. resolve (result ); }); Return def. promise (); }

 

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Function textToSpeechBat (metaJson, speecher, audioPath ){ Var def = $. Deferred (); Var result = {originalWords: "", resultJsonArr: []}; Var jsons = ""; For (var index = 0; index <metaJson. words. length; index ++ ){ Var audioName = metaJson. words [index] ['audio']; AudioName = audioname.replace('shanghai ',''); Var audioFile = audioPath + "/" + audioName + '.wav '; Var args = '{"SynthText": "' + metaJson. words [index] ['word'] + '"," VoiceSpeecher ":"' + speecher + '"," WordSpeed ":" 3 "," UseCSSML ": "0", "AudioPath": "'+ audioFile + '"}'; Jsons + = args + "| "; } Jsons = jsons. substr (0, jsons. length-1 ); Tts. asyncTTSBat (jsons, function (err, ret ){ Result ['resultjsonarr'] = ret. split ('| '); Def. resolve (result ); }); Return def. promise (); }

 

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Function textToSpeechWithTryTimes (metaJson, speecher, audioPath, times ){ Var def = $. Deferred (); Var ttsRet = null; Var ttsCallBack = function (index ){ If (index <times ){ TextToSpeechBat (metaJson, speecher, audioPath). done (function (ret ){ Console. log ("textToSpeechWithTryTimes:" + JSON. stringify (ret )); TtsRet = ret; Var resultJsonArr = ret. resultJsonArr; Var audioFlag = true; For (var I = 0; I <resultJsonArr. length; I ++ ){ If (resultJsonArr [I] = ""){ AudioFlag = false; Break; } Var retObj = JSON. parse (resultJsonArr [I]); Console. log (retObj ['audioflag']); If (retObj ['audioflag'] = 'false' | retObj ['result'] = ""){ AudioFlag = false; Break; } } Console. log (audioFlag ); If (audioFlag = false ){ Console. log ("textToSpeechWithTryTimes Fail, try again! "); TtsCallBack (++ index ); } Else { Console. log ("textToSpeechWithTryTimes succeed, return "); Def. resolve (ret ); } }); } If (index = times ){ Console. log ("textToSpeechWithTryTimes timesover, return "); Def. resolve (ttsRet ); } }; TtsCallBack (0 ); Return def. promise (); }