@cometchat/chat-uikit-react-native/lib/shared/helper/helperFunctions.js

Ready-to-use Chat UI Components for React Native

import React from "react";
export function deepMerge(obj1, obj2, ...rest) {
    // Helper function to determine if a value is a plain object
    function isObject(value) {
        if (React.isValidElement(value))
            return false;
        return value && typeof value === "object" && !Array.isArray(value);
    }
    // Main deep merge function
    function merge(target, source, replace = false) {
        const output = replace ? target : { ...target };
        for (const key in source) {
            if (isObject(source[key])) {
                if (isObject(target[key])) {
                    output[key] = merge(target[key], source[key]);
                }
                else {
                    output[key] = merge({}, source[key]);
                }
            }
            else if (source[key] !== undefined) {
                output[key] = source[key];
            }
        }
        return output;
    }
    // Start merging obj1 and obj2, then recursively merge the rest of the objects
    let result = merge(obj1, obj2);
    for (const obj of rest) {
        merge(result, obj, true);
    }
    return result;
}
export function deepClone(obj, seen = new WeakMap()) {
    if (typeof obj !== "object" || obj === null) {
        return obj;
    }
    if (seen.has(obj)) {
        return seen.get(obj);
    }
    let clone;
    if (Array.isArray(obj)) {
        clone = [];
        seen.set(obj, clone);
        for (const item of obj) {
            clone.push(deepClone(item, seen));
        }
    }
    else {
        clone = Object.create(null); // Avoid prototype issues
        seen.set(obj, clone);
        for (const key of Object.keys(obj)) {
            clone[key] = deepClone(obj[key], seen);
        }
    }
    return clone;
}
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