@stackend/api/util/collections.js

JS bindings to api.stackend.com

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAddedRemoved = void 0;
/**
 * Given two sets, calculate additions and removals required to construct the new set.
 * @param oldSet
 * @param newSet
 */
function getAddedRemoved(oldSet, newSet) {
    var r = {
        added: new Set(),
        removed: new Set()
    };
    oldSet.forEach(function (x) {
        if (!newSet.has(x)) {
            r.removed.add(x);
        }
    });
    newSet.forEach(function (x) {
        if (!oldSet.has(x)) {
            r.added.add(x);
        }
    });
    return r;
}
exports.getAddedRemoved = getAddedRemoved;
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