es-next-tools/dist/object/invert.js

A comprehensive utility library for JavaScript and TypeScript that provides a wide range of functions for common programming tasks, including mathematical operations, date manipulations, array and object handling, string utilities, and more.

export function invert(object) {
    const _ = (obj, trans) => {
        const result = {};
        for (const entry of Object.entries(obj)) {
            const [key, value] = trans(entry);
            result[key] = value;
        }
        return result;
    };
    return _(object, ([key, value]) => [
        value,
        key,
    ]);
}