| 1 | function _defaults(obj, defaults) {
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| 2 | var keys = Object.getOwnPropertyNames(defaults);
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| 3 |
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| 4 | for (var i = 0; i < keys.length; i++) {
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| 5 | var key = keys[i];
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| 6 | var value = Object.getOwnPropertyDescriptor(defaults, key);
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| 7 |
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| 8 | if (value && value.configurable && obj[key] === undefined) {
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| 9 | Object.defineProperty(obj, key, value);
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| 10 | }
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| 11 | }
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| 12 |
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| 13 | return obj;
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| 14 | }
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| 15 |
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| 16 | module.exports = _defaults; |
| \ | No newline at end of file |