18 lines
582 B
JavaScript
Executable file
18 lines
582 B
JavaScript
Executable file
var has = require('../internals/has');
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var toIndexedObject = require('../internals/to-indexed-object');
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var indexOf = require('../internals/array-includes').indexOf;
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var hiddenKeys = require('../internals/hidden-keys');
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module.exports = function (object, names) {
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var O = toIndexedObject(object);
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var i = 0;
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var result = [];
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var key;
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for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
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// Don't enum bug & hidden keys
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while (names.length > i) if (has(O, key = names[i++])) {
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~indexOf(result, key) || result.push(key);
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}
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return result;
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};
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