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var arrayExtremum = require('./arrayExtremum'),
baseCallback = require('./baseCallback'),
baseExtremum = require('./baseExtremum'),
isArray = require('../lang/isArray'),
isIterateeCall = require('./isIterateeCall'),
toIterable = require('./toIterable');
/**
* Creates a `_.max` or `_.min` function.
*
* @private
* @param {Function} comparator The function used to compare values.
* @param {*} exValue The initial extremum value.
* @returns {Function} Returns the new extremum function.
*/
function createExtremum(comparator, exValue) {
return function(collection, iteratee, thisArg) {
if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {
iteratee = undefined;
}
iteratee = baseCallback(iteratee, thisArg, 3);
if (iteratee.length == 1) {
collection = isArray(collection) ? collection : toIterable(collection);
var result = arrayExtremum(collection, iteratee, comparator, exValue);
if (!(collection.length && result === exValue)) {
return result;
}
}
return baseExtremum(collection, iteratee, comparator, exValue);
};
}
module.exports = createExtremum;
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