handsontable
Version:
Handsontable is a JavaScript Data Grid available for React, Angular and Vue.
33 lines (32 loc) • 1.16 kB
JavaScript
import "core-js/modules/esnext.iterator.constructor.js";
import "core-js/modules/esnext.iterator.filter.js";
import { arrayMap } from "../../../helpers/array.mjs";
/**
* Transform mappings after removal.
*
* @private
* @param {Array} indexedValues List of values for particular indexes.
* @param {Array} removedIndexes List of removed indexes.
* @returns {Array} List with decreased indexes.
*/
export function getDecreasedIndexes(indexedValues, removedIndexes) {
return arrayMap(indexedValues, index => index - removedIndexes.filter(removedIndex => removedIndex < index).length);
}
/**
* Transform mappings after insertion.
*
* @private
* @param {Array} indexedValues List of values for particular indexes.
* @param {Array} insertedIndexes List of inserted indexes.
* @returns {Array} List with increased indexes.
*/
export function getIncreasedIndexes(indexedValues, insertedIndexes) {
const firstInsertedIndex = insertedIndexes[0];
const amountOfIndexes = insertedIndexes.length;
return arrayMap(indexedValues, index => {
if (index >= firstInsertedIndex) {
return index + amountOfIndexes;
}
return index;
});
}