31 lines
758 B
JavaScript
31 lines
758 B
JavaScript
var eq = require('./eq');
|
|
|
|
/**
|
|
* The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
|
|
* support for iteratee shorthands.
|
|
*
|
|
* @private
|
|
* @param {Array} array The array to inspect.
|
|
* @param {Function} [iteratee] The iteratee invoked per element.
|
|
* @returns {Array} Returns the new duplicate free array.
|
|
*/
|
|
function baseSortedUniq(array, iteratee) {
|
|
var index = -1,
|
|
length = array.length,
|
|
resIndex = 0,
|
|
result = [];
|
|
|
|
while (++index < length) {
|
|
var value = array[index],
|
|
computed = iteratee ? iteratee(value) : value;
|
|
|
|
if (!index || !eq(computed, seen)) {
|
|
var seen = computed;
|
|
result[resIndex++] = value === 0 ? 0 : value;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
module.exports = baseSortedUniq;
|