@c11/engine.db
Version:
The engine db
43 lines • 2.72 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.isCircular = void 0;
// credit to is-circular npm library
var isPlainObject_1 = __importDefault(require("lodash/isPlainObject"));
var isCircular = function (obj) {
if (!(obj instanceof Object)) {
throw new TypeError('"obj" must be an object (or inherit from it)');
}
return _isCircular(obj);
};
exports.isCircular = isCircular;
function _isCircular(obj, parentList) {
parentList = new Node(obj, parentList);
for (var key in obj) {
var val = obj[key];
if ((0, isPlainObject_1.default)(val)) {
if (parentList.contains(val) || _isCircular(val, parentList)) {
return true;
}
}
}
return false;
}
function Node(value, next) {
// @ts-ignore
this.value = value;
// @ts-ignore
this.next = next;
}
Node.prototype.contains = function (value) {
var cursor = this;
while (cursor) {
if (cursor.value === value)
return true;
cursor = cursor.next;
}
return false;
};
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