iwmlib/lib/3rdparty/systemjs/babel-helpers/defaults.js

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2019-04-05 10:09:27 +02:00
export default (function (obj, defaults) {
var keys = Object.getOwnPropertyNames(defaults);
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
var value = Object.getOwnPropertyDescriptor(defaults, key);
if (value && value.configurable && obj[key] === undefined) {
Object.defineProperty(obj, key, value);
}
}
return obj;
});