var arrayMap = require('./_arrayMap'),
baseIndexOf = require('./_baseIndexOf'),
baseIndexOfWith = require('./_baseIndexOfWith'),
baseUnary = require('./_baseUnary'),
copyArray = require('./_copyArray');
/** Used for built-in method references. */
var arrayProto = Array.prototype;
/** Built-in value references. */
var splice = arrayProto.splice;
/**
* The base implementation of `_.pullAllBy` without support for iteratee
* shorthands.
*
* @private
* @param {Array} array The array to modify.
* @param {Array} values The values to remove.
* @param {Function} [iteratee] The iteratee invoked per element.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns `array`.
*/
function basePullAll(array, values, iteratee, comparator) {
var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
index = -1,
length = values.length,
seen = array;
if (array === values) {
values = copyArray(values);
}
if (iteratee) {
seen = arrayMap(array, baseUnary(iteratee));
}
while (++index < length) {
var fromIndex = 0,
value = values[index],
computed = iteratee ? iteratee(value) : value;
while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
if (seen !== array) {
splice.call(seen, fromIndex, 1);
}
splice.call(array, fromIndex, 1);
}
}
return array;
}
module.exports = basePullAll;