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added has method to test if buffer exists

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This commit is contained in:
Yotam Mann 2016-08-09 01:12:34 -04:00
parent 7984819753
commit 3d2b86032e
1 changed files with 12 additions and 2 deletions
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14
Tone/core/Buffers.js
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@ -49,6 +49,16 @@ define(["Tone/core/Tone", "Tone/core/Buffer"], function (Tone) {
Tone.extend(Tone.Buffers);
/**
* True if the buffers object has a buffer by that name.
* @param {String|Number} name The key or index of the
* buffer.
* @return {Boolean}
*/
Tone.Buffers.prototype.has = function(name){
return this._buffers.hasOwnProperty(name);
};
/**
* Get a buffer by name. If an array was loaded,
* then use the array index.
@ -57,10 +67,10 @@ define(["Tone/core/Tone", "Tone/core/Buffer"], function (Tone) {
* @return {Tone.Buffer}
*/
Tone.Buffers.prototype.get = function(name){
if (this._buffers.hasOwnProperty(name)){
if (this.has(name)){
return this._buffers[name];
} else {
throw new Error("Tone.Buffers: no buffer named"+name);
throw new Error("Tone.Buffers: no buffer named "+name);
}
};