Pinch

Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out).

Constructor

import {EventManager, Pinch} from 'mjolnir.js';

const eventManager = new EventManager({
  // ...
  recognizers: [new Pinch({pointers: 2})]
});

• options (object, optional) - Options
  • event (string) - Name of the event. Default 'pinch'.
  • pointers (number) - Required pointers, with a minimal of 2. Default 2.
  • threshold (number) - Minimal scale before recognizing. Default 0.

Events

• pinch, together with all of below
• pinchstart
• pinchmove
• pinchend
• pinchcancel
• pinchin
• pinchout

Source

https://github.com/visgl/mjolnir.js/blob/master/src/hammerjs/recognizers/pinch.ts