24 lines
522 B
JavaScript
24 lines
522 B
JavaScript
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var Backbone = require('backbone');
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/**
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* Custom sync method to only allow a single request at a time,
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* any prev ongoing request at a time of a sync call will be aborted.
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*
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* @example
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* var MyModel = Backbone.Model.extend({
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* // …
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* sync: syncAbort,
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*/
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module.exports = function (method, self, opts) {
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if (this._xhr) {
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this._xhr.abort();
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}
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var xhr = this._xhr = Backbone.Model.prototype.sync.apply(this, arguments);
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xhr.always(function () {
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self._xhr = null;
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});
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return xhr;
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};
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