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26 lines
692 B
Text
26 lines
692 B
Text
/** Used for built-in method references. */
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var objectProto = Object.prototype;
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/** Used to check objects for own properties. */
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var hasOwnProperty = objectProto.hasOwnProperty;
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/**
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* Initializes an array clone.
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*
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* @private
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* @param {Array} array The array to clone.
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* @returns {Array} Returns the initialized clone.
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*/
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function initCloneArray(array) {
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var length = array.length,
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result = new array.constructor(length);
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// Add properties assigned by `RegExp#exec`.
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if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
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result.index = array.index;
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result.input = array.input;
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}
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return result;
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}
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module.exports = initCloneArray;
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