syncbasestore/dist/utils/deepMerge.js

Lightweight reactive store with built-in filtering and async state handling

export function deepMerge(target, source) {
    const output = { ...target };
    for (const key in source) {
        const sourceVal = source[key];
        const targetVal = target[key];
        if (typeof targetVal === 'object' &&
            typeof sourceVal === 'object' &&
            !Array.isArray(sourceVal) &&
            sourceVal !== null) {
            output[key] = deepMerge(targetVal, sourceVal);
        }
        else {
            output[key] = sourceVal;
        }
    }
    return output;
}