2021-03-01から1ヶ月間の記事一覧

Vuexでstateにあらかじめ設定していないプロパティを新たに挿入するときの注意事項

vuex Vuejs

環境： vue@2.6.12 vuex@3.6.2 state = { test: {} } mutations = { 'addNewProp'(state, payload) { state.test[payload.key] = payload.content OR Object.assign(state.test, {[payload.key]: payload.content}) } } 上記でstateに新しいプロパティを付与…

#vue #vuex

konvajs で　[Violation] Added non-passive event listener to a scroll-blocking <some> event. Consider marking event handler as 'passive' to make the page more responsive. See <URL>

コンソール上で下記エラーが表示 [Violation] Added non-passive event listener to a scroll-blocking <some> event. Consider marking event handler as 'passive' to make e page more responsive. See <URL> canvas 上でのイベントの取得に時間がかかり描画パフォー</url></some>…