contentful-sdk-core/dist/freeze-sys.js

Core modules for the Contentful JS SDKs

// copied from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze
function deepFreeze(object) {
    const propNames = Object.getOwnPropertyNames(object);
    for (const name of propNames) {
        const value = object[name];
        if (value && typeof value === 'object') {
            deepFreeze(value);
        }
    }
    return Object.freeze(object);
}
export default function freezeSys(obj) {
    deepFreeze(obj.sys || {});
    return obj;
}