object-standard-path/dist/index.esm.js

Safely get/set deep nested properties with standard path, strong type support

var PathItemType;
(function (PathItemType) {
    PathItemType[PathItemType["Object"] = 0] = "Object";
    PathItemType[PathItemType["Array"] = 1] = "Array";
})(PathItemType || (PathItemType = {}));
var ARRAY_KEY_REG = /\[\d+\]/g;
var isObject = function (value) { return typeof value === 'object'; };
var isArray = function (value) { return Array.isArray(value); };
var deepClone = function (source) {
    if (typeof source !== 'object') {
        return source;
    }
    if (source instanceof Date) {
        return new Date(source.getTime());
    }
    if (source instanceof Map) {
        var mapClone_1 = new Map();
        source.forEach(function (value, key) {
            mapClone_1.set(deepClone(key), deepClone(value));
        });
        return mapClone_1;
    }
    if (source instanceof Set) {
        var setClone_1 = new Set();
        source.forEach(function (value) {
            setClone_1.add(deepClone(value));
        });
        return setClone_1;
    }
    if (Array.isArray(source)) {
        var arrayClone = source.map(function (item) { return deepClone(item); });
        return arrayClone;
    }
    var objClone = {};
    for (var key in source) {
        if (source.hasOwnProperty(key)) {
            objClone[key] = deepClone(source[key]);
        }
    }
    return objClone;
};
var getPathItems = function (path) {
    var pathItems = [];
    path.split('.').forEach(function (path) {
        var _a;
        var objectKey = path.replace(ARRAY_KEY_REG, '');
        pathItems.push({
            type: PathItemType.Object,
            key: objectKey,
        });
        (_a = path.match(ARRAY_KEY_REG)) === null || _a === void 0 ? void 0 : _a.forEach(function (arrayKey) {
            pathItems.push({
                type: PathItemType.Array,
                key: arrayKey.replace(/\[|\]/g, ''),
            });
        });
    });
    return pathItems;
};
var pathGet = function (object, path) {
    var value = object;
    getPathItems(path).forEach(function (pathItem) {
        value = isObject(value) || isArray(value) ? value[pathItem.key] : undefined;
    });
    return value;
};
var pathSet = function (object, path, value) {
    var current = object;
    var pathItems = getPathItems(path);
    pathItems.forEach(function (pathItem, index) {
        if (index === pathItems.length - 1) {
            current[pathItem.key] = value;
        }
        else {
            if (current[pathItem.key] === undefined) {
                current[pathItem.key] =
                    pathItems[index + 1].type === PathItemType.Array ? [] : {};
            }
            current = current[pathItem.key];
        }
    });
};
var pathSetImmutable = function (object, path, value) {
    var clonedObject = deepClone(object);
    pathSet(clonedObject, path, value);
    return clonedObject;
};

export { pathGet, pathSet, pathSetImmutable };