JS Console script to find the Redux store and state

findReduxStoreBFS.js

function isReduxStore(obj) {
    return obj && typeof obj === 'object' && 
        typeof obj.getState === 'function' && 
        typeof obj.dispatch === 'function' && 
        typeof obj.subscribe === 'function';
}

function isValidIdentifier(key) {
    return /^[a-zA-Z_$][a-zA-Z_$0-9]*$/.test(key);
}

function findReduxStoreBFS(root) {
    const visited = new WeakSet();
    const queue = [{ obj: root, path: 'window' }];

    while (queue.length > 0) {
        const { obj, path } = queue.shift();

        if (isReduxStore(obj)) {
            console.log('Redux store found at:', path);
            return obj;
        }

        if (typeof obj === 'object' && obj !== null && !visited.has(obj)) {
            visited.add(obj);
            for (const key of Object.keys(obj)) {
                try {
                    const property = obj[key];
                    const formattedKey = isValidIdentifier(key) ? `.${key}` : `["${key}"]`;
                    const newPath = `${path}${formattedKey}`;

                    if (typeof property === 'object' && property !== null) {
                        queue.push({ obj: property, path: newPath });
                    }
                } catch (error) {
                    console.error(`Error accessing property '${key}':`, error);
                }
            }
        }
    }

    console.log('No Redux store found in the window object.');
    return null;
}

// Usage:
const state = findReduxStoreBFS(window).getState();