38 lines
1.6 KiB
JavaScript
38 lines
1.6 KiB
JavaScript
"use strict";
|
|
|
|
exports.__esModule = true;
|
|
exports.getListWithInsertedItems = getListWithInsertedItems;
|
|
exports.getListWithRemovedItems = getListWithRemovedItems;
|
|
var _function = require("../../../helpers/function");
|
|
var _array = require("../../../helpers/array");
|
|
/**
|
|
* Insert new items to the list.
|
|
*
|
|
* @private
|
|
* @param {Array} indexedValues List of values for particular indexes.
|
|
* @param {number} insertionIndex Position inside the actual list.
|
|
* @param {Array} insertedIndexes List of inserted indexes.
|
|
* @param {*} insertedValuesMapping Mapping which may provide value or function returning value for the specific parameters.
|
|
* @returns {Array} List with new mappings.
|
|
*/
|
|
function getListWithInsertedItems(indexedValues, insertionIndex, insertedIndexes, insertedValuesMapping) {
|
|
const firstInsertedIndex = insertedIndexes.length ? insertedIndexes[0] : void 0;
|
|
return [...indexedValues.slice(0, firstInsertedIndex), ...insertedIndexes.map((insertedIndex, ordinalNumber) => {
|
|
if ((0, _function.isFunction)(insertedValuesMapping)) {
|
|
return insertedValuesMapping(insertedIndex, ordinalNumber);
|
|
}
|
|
return insertedValuesMapping;
|
|
}), ...(firstInsertedIndex === void 0 ? [] : indexedValues.slice(firstInsertedIndex))];
|
|
}
|
|
|
|
/**
|
|
* Filter items from the list.
|
|
*
|
|
* @private
|
|
* @param {Array} indexedValues List of values for particular indexes.
|
|
* @param {Array} removedIndexes List of removed indexes.
|
|
* @returns {Array} Reduced list of mappings.
|
|
*/
|
|
function getListWithRemovedItems(indexedValues, removedIndexes) {
|
|
return (0, _array.arrayFilter)(indexedValues, (_, index) => removedIndexes.includes(index) === false);
|
|
} |