assertthat/build/lib/diffs/forMaps/MapDiff.js

assertthat provides fluent TDD.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.mapDiff = exports.isMapDiff = void 0;
const mapDiffSymbol = Symbol('map diff');
const mapDiff = function (parameters) {
    return {
        kind: mapDiffSymbol,
        ...parameters
    };
};
exports.mapDiff = mapDiff;
const isMapDiff = function (diff) {
    return 'kind' in diff && diff.kind === mapDiffSymbol;
};
exports.isMapDiff = isMapDiff;