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var arrayMap = require('./arrayMap'),
baseCallback = require('./baseCallback'),
baseMap = require('./baseMap'),
baseSortBy = require('./baseSortBy'),
compareMultiple = require('./compareMultiple');
/**
* The base implementation of `_.sortByOrder` without param guards.
*
* @private
* @param {Array|Object|string} collection The collection to iterate over.
* @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
* @param {boolean[]} orders The sort orders of `iteratees`.
* @returns {Array} Returns the new sorted array.
*/
function baseSortByOrder(collection, iteratees, orders) {
var index = -1;
iteratees = arrayMap(iteratees, function(iteratee) { return baseCallback(iteratee); });
var result = baseMap(collection, function(value) {
var criteria = arrayMap(iteratees, function(iteratee) { return iteratee(value); });
return { 'criteria': criteria, 'index': ++index, 'value': value };
});
return baseSortBy(result, function(object, other) {
return compareMultiple(object, other, orders);
});
}
module.exports = baseSortByOrder;
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