@siren-js/client/dist/serialize/serialize-json.js

Siren API client library

/**
 * Builds and stringifies a JSON object from the given `fields`' `name` and
 * `value`. If the `value` is a [`File`](https://developer.mozilla.org/en-US/docs/Web/API/File),
 * its `name` is used.
 */
export const serializeJson = (fields) => {
    const entries = fields.map((field) => {
        const value = field.value instanceof File ? field.value.name : field.value;
        return [field.name, value];
    });
    const obj = Object.fromEntries(entries);
    return JSON.stringify(obj);
};