handsontable
Version:
Handsontable is a JavaScript Data Grid available for React, Angular and Vue.
35 lines (34 loc) • 1.61 kB
JavaScript
import "core-js/modules/esnext.iterator.constructor.js";
import "core-js/modules/esnext.iterator.map.js";
import { isFunction } from "../../../helpers/function.mjs";
import { arrayFilter } from "../../../helpers/array.mjs";
/**
* 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.
*/
export function getListWithInsertedItems(indexedValues, insertionIndex, insertedIndexes, insertedValuesMapping) {
const firstInsertedIndex = insertedIndexes.length ? insertedIndexes[0] : undefined;
return [...indexedValues.slice(0, firstInsertedIndex), ...insertedIndexes.map((insertedIndex, ordinalNumber) => {
if (isFunction(insertedValuesMapping)) {
return insertedValuesMapping(insertedIndex, ordinalNumber);
}
return insertedValuesMapping;
}), ...(firstInsertedIndex === undefined ? [] : 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.
*/
export function getListWithRemovedItems(indexedValues, removedIndexes) {
return arrayFilter(indexedValues, (_, index) => removedIndexes.includes(index) === false);
}