| 1 | ;
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| 2 |
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| 3 | /**
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| 4 | * Return true if `key` is an own, enumerable property
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| 5 | * of the given `obj`.
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| 6 | *
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| 7 | * @param {Object} `object`
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| 8 | * @param {String} `key`
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| 9 | * @return {Boolean}
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| 10 | * @api public
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| 11 | */
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| 12 |
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| 13 | exports._if = function if_(fn, a, b, thisArg) {
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| 14 | if (typeof fn !== 'function') return '';
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| 15 |
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| 16 | thisArg = thisArg || this || null;
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| 17 | var res = fn.call(thisArg, a, b);
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| 18 |
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| 19 | if (res) return a;
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| 20 | return b;
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| 21 | };
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| 22 |
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