is-circular

High-performance circular reference check for objects (or arrays) w/ no dependencies

Installation

npm install is-circular

Usage

var isCircular = require('is-circular')

var circularObj = {
  foo: 1,
  bar: 2
}
circularObj.qux = circularObj

isCircular(circularObj) // true

var obj = {
  foo: 1,
  bar: 2,
  qux: 3
}

isCircular(obj) // false

License

MIT

Current Tags

• 1.0.2                                ...           latest (8 years ago)

3 Versions

• 1.0.2                                ...           8 years ago
• 1.0.1                                ...           10 years ago
• 1.0.0                                ...           10 years ago