Deprecated include of L.Mixin.Events: this property will be removed in future releases, please inherit from L.Evented instead.

[sangdth]

Deprecated include of L.Mixin.Events: this property will be removed in future releases, please inherit from L.Evented instead. Error
    at checkDeprecatedMixinEvents (webpack-internal:///./node_modules/leaflet/dist/leaflet-src.js:401:47)
    at Function.Class.extend (webpack-internal:///./node_modules/leaflet/dist/leaflet-src.js:329:3)
    at eval (webpack-internal:///./src/common/control-button.js:3:30)
    at Object../src/common/control-button.js (http://localhost:8080/app.js:9406:1)
    at __webpack_require__ (http://localhost:8080/app.js:712:30)
    at fn (http://localhost:8080/app.js:95:20)
    at eval (webpack-internal:///./node_modules/babel-loader/lib/index.js!./node_modules/vue-loader/lib/selector.js?type=script&index=0!./src/containers/sites/MapView.vue:29:81)
    at Object../node_modules/babel-loader/lib/index.js!./node_modules/vue-loader/lib/selector.js?type=script&index=0!./src/containers/sites/MapView.vue (http://localhost:8080/app.js:1818:1)
    at __webpack_require__ (http://localhost:8080/app.js:712:30)
    at fn (http://localhost:8080/app.js:95:20)

Node: 8.11.1
Leaflet: 1.3.1