use-form/lib/helpers/isEqual.js

use-form

"use strict";
exports.__esModule = true;
// Compare two items
var compare = function (a, b) {
    // Get the object type
    var itemType = Object.prototype.toString.call(a);
    // If an object or array, compare recursively
    if (['[object Array]', '[object Object]'].indexOf(itemType) >= 0) {
        if (!isEqual(a, b)) {
            return false;
        }
    }
    else {
        // If the two items are not the same type, return false
        if (itemType !== Object.prototype.toString.call(b)) {
            return false;
        }
        // Else if it's a function, convert to a string and compare
        // Otherwise, just compare
        if (itemType === '[object Function]') {
            if (a.toString() !== b.toString()) {
                return false;
            }
        }
        else {
            if (a !== b) {
                return false;
            }
        }
    }
};
var isEqual = function (value, other) {
    // Get the value type
    var type = Object.prototype.toString.call(value);
    // If the two objects are not the same type, return false
    if (type !== Object.prototype.toString.call(other)) {
        return false;
    }
    // If items are not an object or array, return false
    if (['[object Array]', '[object Object]'].indexOf(type) < 0) {
        return false;
    }
    // Compare the length of the length of the two items
    var valueLen = type === '[object Array]' ? value.length : Object.keys(value).length;
    var otherLen = type === '[object Array]' ? other.length : Object.keys(other).length;
    if (valueLen !== otherLen) {
        return false;
    }
    // Compare properties
    if (type === '[object Array]') {
        for (var i = 0; i < valueLen; i++) {
            if (compare(value[i], other[i]) === false) {
                return false;
            }
        }
    }
    else {
        for (var key in value) {
            if (value.hasOwnProperty(key)) {
                if (compare(value[key], other[key]) === false) {
                    return false;
                }
            }
        }
    }
    // If nothing failed, return true
    return true;
};
exports["default"] = isEqual;