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1 | /**
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2 | * This method invokes `interceptor` and returns `value`. The interceptor
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3 | * is invoked with one argument; (value). The purpose of this method is to
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4 | * "tap into" a method chain sequence in order to modify intermediate results.
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5 | *
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6 | * @static
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7 | * @memberOf _
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8 | * @since 0.1.0
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9 | * @category Seq
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10 | * @param {*} value The value to provide to `interceptor`.
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11 | * @param {Function} interceptor The function to invoke.
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12 | * @returns {*} Returns `value`.
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13 | * @example
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14 | *
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15 | * _([1, 2, 3])
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16 | * .tap(function(array) {
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17 | * // Mutate input array.
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18 | * array.pop();
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19 | * })
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20 | * .reverse()
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21 | * .value();
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22 | * // => [2, 1]
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23 | */
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24 | function tap(value, interceptor) {
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25 | interceptor(value);
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26 | return value;
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27 | }
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28 |
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29 | module.exports = tap;
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