@tldraw/editor
Version:
tldraw infinite canvas SDK (editor).
23 lines (22 loc) • 675 B
JavaScript
const MAX_ZOOM_STEP = 10;
const IS_DARWIN = /Mac|iPod|iPhone|iPad/.test(
// eslint-disable-next-line @typescript-eslint/no-deprecated
typeof window === "undefined" ? "node" : window.navigator.platform
);
function normalizeWheel(event) {
let { deltaY, deltaX } = event;
let deltaZ = 0;
if (event.ctrlKey || event.altKey || event.metaKey) {
deltaZ = (Math.abs(deltaY) > MAX_ZOOM_STEP ? MAX_ZOOM_STEP * Math.sign(deltaY) : deltaY) / 100;
} else {
if (event.shiftKey && !IS_DARWIN) {
deltaX = deltaY;
deltaY = 0;
}
}
return { x: -deltaX, y: -deltaY, z: -deltaZ };
}
export {
normalizeWheel
};
//# sourceMappingURL=normalizeWheel.mjs.map