merge-deep-ts/dist/mjs/utils.js

Deep fast merge JavaScript objects with circular references handling and TypeScript support

import { MergeableType, } from "./types.js";
export const isObject = (obj) => Object.prototype.toString.call(obj) === "[object Object]";
export const isArray = (obj) => Array.isArray(obj);
export const isMap = (obj) => !!obj && Object.getPrototypeOf(obj) === Map.prototype;
export const isSet = (obj) => !!obj && Object.getPrototypeOf(obj) === Set.prototype;
export const isNullable = (obj) => obj === null || obj === undefined;
export const isMergeable = (obj) => isObject(obj) || isArray(obj) || isMap(obj) || isSet(obj);
export const getType = (obj) => {
    if (isObject(obj)) {
        return MergeableType.Object;
    }
    if (isArray(obj)) {
        return MergeableType.Array;
    }
    if (isMap(obj)) {
        return MergeableType.Map;
    }
    if (isSet(obj)) {
        return MergeableType.Set;
    }
    if (isNullable(obj)) {
        return MergeableType.Nullable;
    }
    return MergeableType.NonMergeable;
};
export const getCounter = (() => {
    let counter = -1;
    return (reset = false) => reset ? counter = 0 : ++counter;
})();
export const ERROR_NOT_ARRAY = "Argument must be an array";