54 lines
1.1 KiB
TypeScript
54 lines
1.1 KiB
TypeScript
/**
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* @author Martin Karkowski
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* @email m.karkowski@zema.de
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* @create date 2021-03-11 17:17:50
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* @modify date 2021-08-10 16:55:51
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* @desc [description]
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*/
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/**
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* Helper Function which will determine the Difference between set01 and set02.
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* If values are in set02 and not in set01 they will be putted into added. If
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* items are in set01 but not in set02 they will be added to removed.
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*
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* @export
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* @template T
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* @param {Set<T>} set01 Base Set
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* @param {Set<T>} set02 Set to compare it with
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* @return {*}
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*/
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export function determineDifference<T>(
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set01: Set<T>,
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set02: Set<T>
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): {
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added: Set<T>;
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removed: Set<T>;
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} {
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const added = new Set<T>();
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const removed = new Set<T>();
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// We iterate over the set01 and
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// set02. If elements of set01 arent
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// present in set02 => they have been
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// removed
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for (const item of set01) {
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if (!set02.has(item)) {
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removed.add(item);
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}
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}
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// If elements of set02 arent
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// present in set01 => they have been
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// added
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for (const item of set02) {
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if (!set01.has(item)) {
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added.add(item);
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}
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}
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return {
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added,
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removed,
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};
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}
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