sigma/src/utils.js

"use strict";
/**
 * Sigma.js Utils
 * ===============
 *
 * Various helper functions & classes used throughout the library.
 */
exports.__esModule = true;
exports.assign = exports.isPlainObject = void 0;
/**
 * Checks whether the given value is a plain object.
 *
 * @param  {mixed}   value - Target value.
 * @return {boolean}
 */
function isPlainObject(value) {
    return typeof value === "object" && value !== null && value.constructor === Object;
}
exports.isPlainObject = isPlainObject;
/**
 * Very simple recursive Object.assign-like function.
 *
 * @param  {object} target       - First object.
 * @param  {object} [...objects] - Objects to merge.
 * @return {object}
 */
function assign(target) {
    var objects = [];
    for (var _i = 1; _i < arguments.length; _i++) {
        objects[_i - 1] = arguments[_i];
    }
    target = target || {};
    for (var i = 0, l = objects.length; i < l; i++) {
        var o = objects[i];
        if (!o)
            continue;
        for (var k in o) {
            if (isPlainObject(o[k])) {
                target[k] = assign(target[k], o[k]);
            }
            else {
                target[k] = o[k];
            }
        }
    }
    return target;
}
exports.assign = assign;