mylingo3d/lib/events/onKeyClear.js

Lingo3D is a React/Vue 3d game development framework that ships with a complete visual editor

import { event } from "@lincode/events";
const [emitKeyClear, onKeyClear] = event();
export { onKeyClear };
window.addEventListener("blur", () => emitKeyClear());
window.addEventListener("focus", () => emitKeyClear());
document.addEventListener("visibilitychange", () => emitKeyClear());
const shiftMetaPressed = new Set();
onKeyClear(() => shiftMetaPressed.clear());
let queueClear = false;
const tryClear = () => {
    if (!queueClear)
        return;
    queueClear = false;
    emitKeyClear();
};
document.addEventListener("keydown", (e) => {
    tryClear();
    if (e.key === "Shift" || e.key === "Meta")
        shiftMetaPressed.add(e.key);
    if (shiftMetaPressed.has("Meta") && shiftMetaPressed.has("Shift")) {
        emitKeyClear();
        queueClear = true;
    }
});
document.addEventListener("keyup", (e) => {
    if (e.key === "Shift" || e.key === "Meta")
        emitKeyClear();
});
document.addEventListener("mousedown", tryClear);
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