@rxap/utilities/src/lib/array/group-by.js

A collection of utility functions, types and interfaces.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.GroupBy = GroupBy;
function GroupBy(list, propertyKeyOrFunction) {
    const map = new Map();
    for (const item of list) {
        const key = typeof propertyKeyOrFunction === 'function' ? propertyKeyOrFunction(item) : item[propertyKeyOrFunction];
        if (!map.has(key)) {
            map.set(key, []);
        }
        map.get(key).push(item);
    }
    return map;
}
//# sourceMappingURL=group-by.js.map