find-and/lib/helpers.js

Find nested objects and: appendProps / replaceObject / changeProps / removeObject / returnFound / insertObjectBefore / insertObjectAfter

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Local helper function.
 * Returns true if the prototype for the `item` param solely comes from `Object`.
 *
 * @param item
 */
exports.isObject = function (item) {
    return !!item && Object.prototype.toString.call(item) === '[object Object]';
};
/**
 * Local helper function.
 * Returns true if the prototype for the `item` param solely comes from `Object`, and it has no keys.
 *
 * @param item
 */
exports.isEmpty = function (item) {
    return exports.isObject(item) && Object.keys(item).length === 0;
};
/**
 * Local helper function.
 * Returns true if __all__ props of the given `predicate` exist and are equal to props of the given `source` item.
 *
 * @param sourceItem
 * @param predicate
 */
exports.checkAgainstPredicate = function (sourceItem, predicate) {
    return exports.isObject(sourceItem) && exports.isObject(predicate) && Object.keys(predicate).every(function (key) {
        return Object.prototype.hasOwnProperty.call(sourceItem, key) && predicate[key] === sourceItem[key];
    });
};