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defaultArgs can do defaults on objects

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Yotam Mann 2014-08-21 00:58:44 -04:00
parent 6f0008b3d7
commit b26f313bd7
1 changed files with 13 additions and 2 deletions
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15
Tone/core/Tone.js
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@ -203,14 +203,25 @@ define("Tone/core/Tone", [], function(){
///////////////////////////////////////////////////////////////////////////
/**
* if a the given is undefined, use the fallback
* if a the given is undefined, use the fallback.
* if both given and fallback are objects, given
* will be augmented with whatever properties it's
* missing which are in fallback
*
* @param {*} given
* @param {*} fallback
* @return {*}
*/
Tone.prototype.defaultArg = function(given, fallback){
return isUndef(given) ? fallback : given;
if (typeof given === "object" && typeof fallback === "object"){
var ret = {};
for (var prop in fallback) {
ret[prop] = isUndef(given[prop]) ? fallback[prop] : given[prop];
}
return ret;
} else {
return isUndef(given) ? fallback : given;
}
};
/**