_baseFindIndex.js
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_baseFindIndex.js
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			/**
			* The base implementation of `_.findIndex` and `_.findLastIndex` without
			* support for iteratee shorthands.
			*
			* @private
			* @param {Array} array The array to inspect.
			* @param {Function} predicate The function invoked per iteration.
			* @param {number} fromIndex The index to search from.
			* @param {boolean} [fromRight] Specify iterating from right to left.
			* @returns {number} Returns the index of the matched value, else `-1`.
			*/
			function baseFindIndex(array, predicate, fromIndex, fromRight) {
			var length = array.length,
			index = fromIndex + (fromRight ? 1 : -1);

			while ((fromRight ? index-- : ++index < length)) {
			if (predicate(array[index], index, array)) {
			return index;
			}
			}
			return -1;
			}

			module.exports = baseFindIndex;