<!-- ldgallery - A static generator which turns a collection of tagged -- pictures into a searchable web gallery. -- -- Copyright (C) 2019-2020 Guillaume FOUET -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU Affero General Public License as -- published by the Free Software Foundation, either version 3 of the -- License, or (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU Affero General Public License for more details. -- -- You should have received a copy of the GNU Affero General Public License -- along with this program. If not, see <https://www.gnu.org/licenses/>. --> <script lang="ts"> import { Component, Vue, Prop, Emit } from "vue-property-decorator"; @Component export default class LdKeyPress extends Vue { @Prop({ type: Number, required: true }) readonly keycode!: number; @Prop({ type: String, default: "keyup" }) readonly event!: "keyup" | "keydown" | "keypress"; mounted() { window.addEventListener(this.event, this.onEvent); } destroyed() { window.removeEventListener(this.event, this.onEvent); } render() { return null; } private onEvent(e: KeyboardEvent) { if (e.keyCode === this.keycode) this.action(e); } @Emit() private action(e: KeyboardEvent) { return e; } } </script>