map-fns/mapEntries/index.esm.js

<h1 align="center"> <code>map-fns</code> </h1>

/**
 * Returns a new array of key, value entries from the provided map. The keys of the entries
 * to return may be provided via the `keys` argument.
 *
 * ```tsx
 * const entries = mapEntries({ a: 1, b: 2, c: 3 });
 * // > [["a", 1], ["b", 2] ["c", 3]]
 *
 * const entries = mapEntries({ a: 1, b: 2, c: 3 }, ["b", "a"]);
 * // > [["b", 2], ["a", 1]]
 * ```
 *
 * @param map The map to get the entries of.
 * @param keys The keys in the map to return as entries.
 * @returns An array of key, value pairs for every entry in the map. If `keys` is provided, only the entries for those keys are included.
 */
function mapEntries(map, keys) {
    var keysToUse = keys || Object.keys(map);
    var entries = [];
    for (var _i = 0, keysToUse_1 = keysToUse; _i < keysToUse_1.length; _i++) {
        var key = keysToUse_1[_i];
        if (!map.hasOwnProperty(key)) {
            throw new Error("Key '".concat(key, "' does not exist in map."));
        }
        entries.push([key, map[key]]);
    }
    return entries;
}

export { mapEntries as default };