mapbox-gl/js/ui/handler/dblclick_zoom.js

A WebGL interactive maps library

'use strict';

module.exports = DoubleClickZoom;

function DoubleClickZoom(map) {
    this._map = map;
    this._onDblClick = this._onDblClick.bind(this);
}

DoubleClickZoom.prototype = {
    enable: function () {
        this._map.on('dblclick', this._onDblClick);
    },

    disable: function () {
        this._map.off('dblclick', this._onDblClick);
    },

    _onDblClick: function (e) {
        this._map.zoomTo(Math.round(this._map.getZoom()) + 1, {around: e.latLng});
    }
};