1 | /**
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2 | * Copies the values of `source` to `array`.
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3 | *
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4 | * @private
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5 | * @param {Array} source The array to copy values from.
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6 | * @param {Array} [array=[]] The array to copy values to.
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7 | * @returns {Array} Returns `array`.
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8 | */
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9 | function copyArray(source, array) {
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10 | var index = -1,
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11 | length = source.length;
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12 |
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13 | array || (array = Array(length));
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14 | while (++index < length) {
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15 | array[index] = source[index];
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16 | }
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17 | return array;
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18 | }
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19 |
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20 | export default copyArray;
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