gethue/ko/observables/ko.observableDefault.js

Hue is an Open source SQL Query Editor for Databases/Warehouses

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//     http://www.apache.org/licenses/LICENSE-2.0
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import * as ko from 'knockout';

ko.observableDefault = function () {
  const prop = arguments[0],
    defValue = arguments[1] || null;
  return ko.observable(typeof prop != 'undefined' && prop != null ? prop : defValue);
};