12 lines
337 B
JavaScript
12 lines
337 B
JavaScript
(function (obj, defaults) {
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var keys = Object.getOwnPropertyNames(defaults);
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for (var i = 0; i < keys.length; i++) {
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var key = keys[i];
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var value = Object.getOwnPropertyDescriptor(defaults, key);
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if (value.configurable && obj[key] === undefined) {
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Object.defineProperty(obj, key, value);
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}
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}
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return obj;
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})
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